Method for managing memory and image display device for same
Contents
1. In addition although exemplary embodiments have been illustrated and described above the present disclosure is not limited specific embodiments described above but may be varied by those skilled in the art without departing from the subject matter ofthe present disclosure claimed in the follow ing claims Further these variations should not be understood individually from the technical spirit or perspective of the present disclosure 1 25 canceled 26 method of managing a memory according to a plu rality of accounts on an image display device the method comprising obtaining memory management data according to the plu rality of accounts receiving a command to store selected data while logged in using one account among the plurality of accounts obtaining information regarding the one account and displaying a memory management menu according to the information regarding the one account 27 The method of claim 26 further comprising displaying a live broadcast on a first region that 1s a part of a screen of the image display device and displaying a selectable data list on a second region that is a part of the screen of the image display device and 0 2013 0271477 1 wherein the memory management menu is displayed simultaneously with or independently of the live broad cast 28 The method of claim 27 wherein the selectable data list comprises at least one of contents and an application and is received from a serv2. 31 to 34 respectively That is stor age capacities by account in the memory management data may be different as shown in FIG 9 In the case that a user corresponding to account D downloads much data in the image display device and thus needs more memory than other users corresponding to other accounts or in the case that any user does not store data in the image display device it is possible to differently set a storage capacity by account so as to increase the efficiency of memory management If neces sary or in the case that the allocated personal memory region is insufficient it is possible to further allocate a sharing memory region 35 to a corresponding account That is the storage capacity by account of memory management data according to the present invention may be further expanded as long as there is a storage space corresponding to a sharing memory region Oct 17 2013 0142 FIG 10A is an exemplary screen of how to select data to be downloaded by a user Referring to FIG 10 a user who logs in by using account is selecting an application 70 to be downloaded by using a pointer 60 That is while the user logs in by using one account according to an embodiment of the present invention a command to store the selected data is being input 0143 FIG 10B is an exemplary screen of how to inform a user of a memory usage state by using memory management data The image display device may provide a memory inform menu 80 t
3. TS signal may be an MPEG 2 TS in which an MPEG 2 image signal a Dolby AC 3 audio signal etc are multiplexed Specifically the MPEG 2 TS may include a 4 byte header and a 184 byte payload 0103 The demodulation unit 120 may include both a demodulation unit conforming to the standard ATSC and a demodulation unit conforming to the standard DVB That is the demodulation unit 120 may include an ATSC modulation unit and a DVB demodulation unit 0104 The TS signal output from the demodulation unit 120 may be input to the control unit 170 The control unit 170 performs de multiplexing image audio signal processing etc and then outputs an image through the display unit 180 and audio through an audio output unit 185 0105 The network interface unit 130 provides an interface for connecting the image display device 100 to a wired wireless network including the Internet network The net work interface unit 105 may include an Ethernet port for connection with a wired network The network interface unit 130 may also use the communication standard such as wire less LAN WLAN Wi Fi wireless broadband Wibro World Interoperability for Microwave Access WiMax or High Speed Downlink Packet Access HSDPA for connec tion with a wireless network 0106 The network interface unit 130 may also transmit or receive data to or from another user or another electronic device through a connected network or another network linked to the connected n
4. list of applications downloaded by a user along with the live broadcast on the second region R2 US 2013 0271477 A1 0147 In FIG 10E the user connects to an application distribution site such as LG app by using a pointer 60 while being logged in by using one account 0148 FIG 1OF is an exemplary screen of how to enter a data store command according to an embodiment of the present invention Referring to FIG 10F a live broadcast is displayed in a first region R1 and a plurality of lists of applications which a user may select are simultaneously dis played on portions of a screen other than the first region R1 As shown in FIG 10F the first region R1 is smaller than that of FIG 10E and thus more applications may be displayed on a screen of an image display device That is unlike FIG 10A a list of data that the user may select may be displayed on a part of the screen without being displayed on the full screen of the image display device and the live broadcast may be simul taneously displayed on the first region R1 that is another part of the screen in FIG 10F Accordingly the user may check and select a list of applications to be downloaded while view ing the live broadcast As illustrated in FIG 10F if the user selects the application coloring the above described memory management menu 80 may be displayed along with the live broadcast 0149 That is according to an embodiment of the present invention if th
5. may be used As an example of the conditional access or the content protection a cablecard a downloadable conditional access system DCAS etc may be used 0047 The client 100 may also provide content over a network and in this case the client 100 may be a content provider and the content provider 10 may receive content from the client 100 Accordingly a bidirectional content ser vice or data service may be possible 0048 According to an embodiment of the present inven tion the content provided from the content server 100 may be any data file or software including data moving picture audio files or applications The data may include any content pro vided from the content providing server 10 0049 Referring to FIG 2 an image display device 100 corresponding to the client as shown in FIG 1 may be con nected to a broadcasting network or the internet 0050 For example the image display device 100 may include a broadcasting interface 101 a section filter 102 an application information table AIT filter 103 an application data processing unit 104 a broadcasting data processing unit 105 a media player 106 an internet protocol processing unit 107 an internet interface 108 and a run time module US 2013 0271477 A1 0051 The broadcasting interface 101 ofthe image display device 100 may receive AIT data live broadcast content application data or stream events and the live broadcast con tent may be a linear audi
6. plurality of accounts are man aged 0007 The present invention may inform of whether a download operation may be made for an account by using memory managing data when a user attempts to downloads data for that account In addition the present invention may induce a user to make a download operation with other accounts that have relatively great storage capacities thereby enabling an efficient memory management Oct 17 2013 Technical Solution 0008 In one embodiment a method of managing a memory according to a plurality of accounts on an image display device includes obtaining memory management data according to the plurality of accounts receiving a command to store selected data while logged in using the one account obtaining information regarding the one account and dis playing a memory management menu according to informa tion regarding the one account 0009 In another embodiment an image display device for managing a memory according to a plurality of accounts includes a storage unit storing memory management data according to the plurality of accounts an user interface unit receiving a command to store selected data while logged in using the one account a control unit obtaining information regarding the one account from the memory management data and displaying a memory management menu according to information regarding the one account Advantageous Effects 0010 According to the present invention since a me
7. to an embodiment of the present invention may receive a live broadcast through the tuner 110 and simultaneously receive data selected while being connected by one account through the network interface unit 130 0110 external device interface unit 135 may connect to an external device and the image display device 100 To this end the external device interface unit 135 may include an A V input output unit not shown or a wireless communica tion unit not shown 0111 The external device interface unit 135 may be con nected to the external device not shown such as a Digital Versatile Disk DVD player a Blu ray player a game con sole a camcorder or a notebook computer in a wired wire less manner The external device interface unit 135 delivers an image signal an audio signal or a data signal received from the outside through a connected external device to the control unit 170 of the image display device 100 In addition the image audio or data signal processed by the control unit 170 may be output to the connected external device To this end the external device interface unit 135 may include an A V input output unit not shown or a wireless communication unit not shown 0112 The A V input output unit may include a Universal Serial Bus USB port a Composite Video Banking Sync CVBS terminal a component terminal an S video terminal analog a Digital Visual Interface DVI terminal a High Definition Multimedia
8. unit 140 is configured separately from the control unit 170 but the scope of the present invention is not limited thereto The storage unit 140 may be included in the control unit 170 0122 The user input interface unit 150 delivers a signal input by the user to the control unit 170 or delivers a signal from the control unit 170 to the user 0123 For example the user input interface unit 150 may receive and process a control signal such as power on off channel selection or screen setup from a remote control device not shown such as a remote control or may transmit acontrol signal from the control unit 170 to the remote control device according to various communication schemes such as a Radio Frequency RF communication scheme or an Infra red IR communication scheme 0124 Inaddition for example the user input interface unit 150 may delivera control signal input through a local key not shown such as a power key a channel key a volume key or a setup value to the control unit 170 0125 In addition for example the user interface unit 150 may deliver a control signal input from a sensing unit not shown for sensing user s gesture to the control unit 170 or transmit a signal from the control unit 170 to the sensing unit not shown In this case the sensing unit not shown may include a touch sensor a voice sensor a position sensor a motion sensor etc 0126 The user interface unit 150 according to the present inve
9. 098 The demodulation unit 120 receives a digital IF DIF signal converted by the tuner and demodulates the received signal 0099 For example in the case that the DIF signal output from the tuner conforms to the standard ATSC the demodu lation unit performs for example 8 VSB demodulation In addition the demodulation unit may perform channel decod ing To this end the demodulation unit may include a trellis decoder a de interleaver and a Reed Solomon decoder to perform trellis decoding de interleaving and Reed Solomon decoding US 2013 0271477 A1 0100 For example in the case that the DIF signal output from the tuner 110 conforms to the standard DVB the demodulation unit performs for example coded orthogonal frequency division modulation COFDMA demodulation In addition the demodulation unit may perform channel decoding To this end the demodulation unit may include a convolution decoder a de interleaver and a Reed Solomon decoder to perform convolution decoding de interleaving and Reed Solomon decoding 0101 The demodulation unit 120 may output a stream signal TS after performing the demodulation and the chan nel decoding In this case the stream signal may be a signal that an image signal a audio signal or a data signal is multi plexed For example the stream signal may be an MPEG 2 transport stream TS that an MPEG 2 image signal a Dolby AC 3 audio signal etc are multiplexed 0102 For example the
10. 1 US 2013 0271477 A1 FIG 10C Application list APPLICATION GANE OF NEEDS STORAGE SPACE OF GIGABYTE FREE STORAGE SPACE FOR fc ME 2 GIGABYTE ANO THUS YOU AN ADR pum 86 FIG 10D Appl icat ion list AR EES GAME Ed Ea YUT Ed n GAYE KEES STORAGE SPACE GF 3 GIGABYTE FREE STORAGE SPACE FOR ACCOUNT IS 5 GIGAEYTE AND THUS YOU al DORNOAD IT 00 YOU MANT 0 HPPLICATIOR GAVE OF YUT 7 il eS USING r1 ACCOUNT PLEASE SELECT APPLICATION THAT YOU WANT TO 0046 090 80 Patent Application Publication Oct 17 2013 Sheet 9 of 11 US 2013 0271477 A1 FIG 10E THURSDAY 12 00 PH DECEHBER 22 2010 LIVE gt CONTENTS 2 LG APPLICATION 14 You Tate MA EAD Jon amp J AI EARCH LG APPLICATION FIG 10F LG APPLICATION A ICT IO NEEDS STORAGE SPACE OF 3 GIGABYTE FREH STORAGE SPACE FOR ACCOUNT A IS 5 GIGABYTE Aid TAS YO CAN IT 00 1 BAT APPLICATION 80 uii itin ail 2 Patent Application Publication Oct 17 2013 Sheet 10 of 11 US 2013 0271477 A1 FIG 11A FIG 11B 95 LOG IN USING ACCOUNT D Patent Application Publication Oct 17 2013 Sheet 11 of 11 US 2013 0271477 A1 FI
11. 71477 A1 Source fables 301 PUSH PULL mode 5302 SP Attachment Request 1 1 SP Attachment Complete PUSH des 303 Provisioninglnfo j 304 MasterS Tables 530 VirtualChannelMap Tables 30 VirtualChanneiDiscription Tables Patent Application Publication Oct 17 2013 Sheet 4 of 11 US 2013 0271477 A1 FIG 4 IP packets from to access network Network Interface 112 Service Del ivery Manager TCP IP Maneger Service Discovery Menager Service control Maneger Native TV 518 Appl icat ion Metadata Manager DB P packets from to access network 125 Patent Application Publication Oct 17 2013 Sheet 5 of 11 US 2013 0271477 A1 IMAGE SIGNAL PROCESSING UNIT Giese 050 PROCESSING UNIT AUDIO OUTPUT UNIT DISPLAY UNIT Patent Application Publication Oct 17 2013 Sheet 6 of 11 US 2013 0271477 A1 Patent Application Publication Oct 17 2013 Sheet 7 of 11 US 2013 0271477 A1 FIG 10A Application list APPLICATION GAVE OF NEEDS STORAGE SPACE OF 3 GIGABYTE FREE STORAGE SPACE FOR ACCOUNT A IS 5 GIGABYTE AND THUS YOU CAN DORNOAD IT DO YOU BANT TO OGHNLAGD APPLICATION GAME OF YUT STORE USING ANOTHER ACCOUNT Patent Application Publication Oct 17 2013 Sheet 8 of 1
12. ERACCOUNT button 86 0145 When the user selects an application while the list of applications of FIG 10A is displayed the memory inform menu 80 and the memory lack inform menu 85 that are described with respect to FIGS 10B and 10C may be dis played along with the list of applications FIG 10D is an exemplary screen of how to display a memory inform menu 80 along with an application list screen 0146 FIG 10E is a screen of an image display device according to another embodiment of the present invention Referring to the right upper end of FIG 10A it may be seen that a user logs in by using an account for example account A Referring to FIG 10E there are a first region R1 where a live broadcast received through a tuner while the image dis play device is logged in is displayed and a second region R2 where an application downloaded by a user corresponding to a logged in account is displayed The first the second a third and a fourth region indicates a portion of a screen of the image display device In addition there may also be a third region R3 where a list of content providers available to the user corresponding to the logged in account is displayed and a fourth region R4 where an application store such as LG app in which an application may be purchased or downloaded is displayed That is the image display device according to an embodiment of the present invention may be logged in by using one account and then display the
13. G 12 OBTAIN MEMORY MANAGENENT DATA 15 THERE Gouw TO STORE DATA UNDER ONE ACCOUNT EXTRACT FREE STORAGE CAPACITY FOR ONE ACCOUNT DATA OR IS SELECTION MADE 10 STORE De ANOTHER L STORE DATA UNCER ONE ACCOUNT UPDATE MEMORY MANAGEMENT DATA PROVIDE MEMORY MANAGEMENT MENU US 2013 0271477 A1 METHOD FOR MANAGING MEMORY AND IMAGE DISPLAY DEVICE FOR SAME TECHNICAL FIELD 0001 The present disclosure relates to an image display device and a method of managing a memory by using the same and more particularly allocates and managing an avail able memory for a plurality of accounts to enable resources of the image display device to be efficiently used BACKGROUND ART 0002 image display device is a device that has for example functions of receiving and processing a broadcast ing image viewable by a viewer The image display device displays for example a broadcasting program selected by a user that corresponds to one of broadcasting signals transmit ted from a broadcasting station Currently the transition from an analog broadcast to a digital broadcast is being globally made 0003 The digital broadcast indicates broadcast for trans mitting a digital image and audio signal The digital broadcast has less data loss is easy to correct an error has high resolu tion and provides a clear screen as compared to the analog broadcast because the digital broadcast is resistant to
14. Interface HDMI terminal an RGB terminal and a D SUB terminal to be able to input the image signal and the audio signal from the external device to the image display device 100 0113 According to an embodiment of the present inven tion a method of managing a memory according to the present invention may also be applied to data received from the external device interface unit 0114 The wireless communication unit may perform wireless Local Area Network LAN communication with another electronic device The image display device 100 may include hardware conforming to the communication standard such as Bluetooth Radio Frequency Identification RFID Infrared Data Association IrDA Ultra Wideband UWB ZigBee or Digital Living Network Alliance DLNA 0115 In addition the external device interface unit 135 may be connected to various set top boxes through at least one of the above described various terminals so as to perform an input output operation with the set top boxes 0116 The external device interface unit 135 may receive an application or a list of applications in a neighboring exter nal device and deliver it to the control unit 170 or the storage unit 140 0117 The storage unit 140 may store a program for per forming signal processing and control in the control unit 170 and also store a signal processed image audio or data signal 0118 In addition the storage unit 140 may perform a function to temporarily stor
15. R 3 user using a plurality of accounts 103 AIT imu DATA FILTER PROCESSING UNIT 1 wr o 104 SECTION 102 _ 107 BROADCASTING DATA INTERNET PROTOCOL PROCESSING UNIT PROCESSING UNIT FILTER 101 INTERNET INTERFACE NETWORK INTERNET NETWORK REFERENCE AIT DATA T STREAM EVENT APPLICATION DATA LINEAR A V CONTENT NON LINEAR A V CONTENT OTHER DATA lt gt OBJECT CAROUSEL 0 2013 0271477 1 Oct 17 2013 Sheet 1 of 11 Patent Application Publication 540 SIEAlIJ 10 J91seopeoJg 190 10 sno JeA leiseopeolg 912 OSN u 1u9 9 91989 JeiseopeoJg el 4189419 010035 2109119 29 820 19 el 23991291 15013 19804519 Jep AOld JepiAOJd JOp Ad d i 10M19N 9914195 1491005 Ob 0 02 01 Patent Application Publication Oct 17 2013 Sheet 2 of 11 US 2013 0271477 A1 FIG 2 BRONSER duc e D E 1 i 106 403 p f APPLICATION DNA FILTER j PROCESSING UNIT 104 INTERNET NETWORK BROADCAST ING NETWORK REFERENCE DATA STREAM EVENT gt NPLICATION DATA LINEAR A V CONTENT NON LINEAR CONTENT com OTHER DATA CD OBJECT CAROUSEL Patent Application Publication Oct 17 2013 Sheet 3 of 11 US 2013 02
16. US 20130271477A1 as United States a2 Patent Application Publication Pub No US 2013 0271477 1 Shin 43 Pub Date Oct 17 2013 54 METHOD FOR MANAGING MEMORY AND 30 Foreign Application Priority Data IMAGE DISPLAY DEVICE FOR SAME Jan 13 2011 KR 1020110003733 75 Inventor Eunkyung Shin Seoul KR Oct 5 201T RR miners 1020110101492 Publication Classification 73 Assignee LG ELECTRONICS INC Seoul KR 51 Int CI G06T 1 60 2006 01 21 Appl No 13 994 236 52 U S Cl siete G06T 1 60 2013 01 22 PCT Filed Oct 11 2011 USPC 4 2 0 00 0 0 06 0 6 06 6 6 345 531 57 ABSTRACT 86 PCT No PCT KR2011 007507 The method for managing memory according to the plurality 371 of accounts in an image display device includes obtaining 2 4 Dat e Jun 14 2013 memory management data according to the plurality of MR accounts obtaining information on one account when a com mand for storing data which are selected while logged on to Related U S Application Data the one account is inputted and displaying a memory man agement menu accordingly The storage space of an image rovisional application No 253 filed on Dec isplay device may be used to ensure usage efficiency for a 60 Provisional application No 61 423 253 filed on D display devi yb d ge efficiency fi 15 2010 APPLICATION MANAGE
17. appli cations in addition to broadcasting content Regarding this a description will be provided below in more detail 0041 The service provider 20 may make and provide con tent provided by the content provider 10 as a service package For example the service provider 20 may make a first terres trial broadcasting program a second terrestrial broadcasting program a cable MSO broadcasting program various inter net broadcasting programs and applications as a package and provide the package to a user 0042 service provider 20 may provide a service to the client 100 side by using a unicast or multicast mechanism 0043 The unicast mechanism indicates transferring data one to one between one transmitter and one receiver and in the case ofthe unicast mechanism a server may transfer data to the receiver in response to a request if the receiver requests the server to send data 0044 The multicast mechanism indicates transferring data to multiple receivers in a specific group and for example the server may simultaneously transfer data to multiple receivers that are pre registered An internet group manage ment protocol IGMP may be used for such a multicast registration 0045 The network provider 30 may provide a network for providing such a service to the client 100 and use a service by using a home network end user HNED 0046 To protect content transferred from such a system conditional access or content protection
18. arding the one account includes data regard ing a free storage capacity for the one account and wherein the control unit to inform if a storage capacity for the selected data is insufficient under the one account 43 The image display device of claim 39 wherein the memory management menu comprises an interface for stor ing the selected data under another account on the basis ofthe memory management data wherein the user interface unit to receive a command to select another account among the plurality of accounts and wherein the control unit to provide the memory manage ment menu if the command to select the another account is received through the user interface unit and to provide a log in menu for the another account if selection is made for the another account 44 The image display device of claim 39 wherein the control unit to update the memory management data accord ing to the storing of the selected data 45 The image display device of claim 39 wherein the storage unit to include in the memory management data data regarding a storage capacity being allocated per account wherein the storage capacities are set to allow the plurality of accounts to have the same or different capacities and wherein the user interface unit to receive the storage capacities allocated to the plurality of accounts
19. ata 0158 Instep S16 data is stored in the storage space for the one account 0159 In step S17 the memory management data is updated In addition even ifthe user stores data under another account the memory management data may be updated 0160 The image display device and the method of man aging a memory according to the present invention may not be limited to the configuration and method of the above de scribed embodiments but the embodiments may be config ured by selective combination of all or some of the embodi ments so that various variations may be made 0161 The method of managing the memory of the image display device according to the present invention can also be embodied as a processor readable code on a processor read able recording medium the processor being included in the image display device The processor readable recording medium is any data storage device that can store data which can be thereafter read by the processor Examples of the processor readable recording medium include read only memory ROM random access memory CD ROMs magnetic tapes floppy disks and optical data storage devices and also includes being implemented as a carrier wave form such as transmission through the Internet In addition the processor readable recording medium can also be distributed over network coupled computer systems so that the processor readable code is stored and executed in a distributed fashion 0162
20. e an image audio or data signal input from the external device interface unit 135 or the net work interface unit 130 In addition the storage unit 140 may store information regarding predetermined broadcasting channels through a channel storage function US 2013 0271477 A1 0119 In addition the storage unit 140 may store an appli cation or a list of applications that is input from the external device interface 135 or the network interface unit 130 The storage unit 140 according to the present invention may store data selected and downloaded by a user by at least one of a plurality of accounts The storage unit 140 may store data by storage capacity allocated to a plurality of accounts The storage unit 140 may store memory management data accord ing to the present invention The memory management data may include data regarding storage capacities allocated to a plurality of accounts and an in use storage capacity by account 0120 The storage unit 140 may include a storage medium that has at least one of a flash memory type a hard disk type a multimedia card micro type a card memory e g SD memory XD memory etc type a RAM type and a ROM EEPROM or the like type The image display device 100 may reproduce and provide a content file such as a moving image file a still image file a music file a document file an application file etc from the storage unit 140 to the user 0121 FIG 5 shows an embodiment where the storage
21. e plurality of accounts to have the same or different capacities 38 The method of claim 37 further comprising receiving the storage capacities allocated to the plurality of accounts 39 An image display device for managing a memory according to a plurality of accounts the image display device comprising astorage unitto store memory management data according to the plurality of accounts Oct 17 2013 an user interface unit to receive a command to store selected data while logged in using one account among the plurality of accounts a control unit to obtain information regarding the one account from the memory management data and to dis play a memory management menu according to the information regarding the one account 40 The image display device of claim 39 further compris ing a display unit to display a live broadcast on a first region that is a part of a screen of the image display device and to display a selectable data list on a second region that is a part of the screen of the image display device and wherein the control unit allows the memory management menu to be displayed simultaneously with or indepen dently of the live broadcast 41 The image display device of claim 39 wherein the memory management data includes data regarding a storage capacity being allocated per account and data regarding an in use storage capacity by account 42 The image display device of claim 39 wherein the information reg
22. e user wants to store selected data a memory management menu related to that data may be displayed along with or independently of the live broadcast 0150 FIG 11A is an example of a memory management menu according to an embodiment ofthe present invention If a user corresponding to account with a sufficient storage capacity selects the STORE USING ANOTHER ACCOUNT button 83 in FIG 10B or if there is selection by user B with a insufficient storage capacity in FIG 10C the image display device according to the present invention may provide a memory management menu 90 Referring to FIG 11A the memory management menu 90 may provide a storage capac ity allocated by account a in use storage capacity by account and a free storage capacity on the basis of memory manage ment data FIG 11A illustrates that a storage capacity of 25 Gigabyte 15 allocated to each of accounts A to D and a free storage capacity ofthe account A is 5 Gigabyte a free storage capacity ofthe account B is 2 Gigabyte a free storage capac ity oftheaccount C is 10 Gigabyte anda free storage capacity of the account D is 16 Gigabyte The memory management menu 90 may include interfaces 91 92 and 94 for storing data selected by some of a plurality of accounts Since a storage capacity for the account B is insufficient an interface corre sponding to the account B is illustrated as inactivated A user may select one account that is in a logged in state or may store sel
23. ected data by using another account In FIG 11A storing in the account D is being selected 0151 FIG 11B is an example of a log in menu by using another account As in the case of FIG 11A a user who uses the account may select storing data in the account D and if there is a log in procedure using the account D a log in menu 95 may be provided The user who uses the account may obtain permission from another user who uses another account enter his her ID and password and store selected data under the another account 0152 FIG 12 is a flow chart of a method of managing a memory according to an embodiment of the present inven tion 0153 Instep S11 memory management data according to a plurality of accounts is obtained Oct 17 2013 0154 In step S12 it is determined whether there is a data store command from a user who logs in using one account 0155 In step S13 information regarding the one account such as data regarding a free storage capacity is obtained from the memory management data 0156 In step S14 it is determined whether a storage capacity for the one account is insufficient or the user selects storing under another account even if the storage capacity for the one account is sufficient 0157 In step S15 a memory management menu is pro vided The user may determine with reference to the memory management data according to a plurality of accounts which of the plurality accounts stores selected d
24. elect and control a service by using IGMP or RTSP if selecting a live broadcasting service of a typical broadcasting type and by using RTSP if selecting a video on demand VOD service for example 0084 The RTSP protocol may provide a trick mode for real time streaming and the service control manager 119 may initiate and manage a session through an IMC gateway by using IP multimedia subsystem IMS and session initiation protocol SIP 0085 The metadata manager 122 may manage service related metadata and store the metadata in the SI amp metadata DB 711 0086 In addition the SI amp metadata DB 121 may store service information decoded by the PSI amp PSIP and or SI decoder 114 metadata managed by the metadata manager 122 and information that is required for selecting a service provider provided by the service discovery manager 120 0087 In addition the SI amp metadata DB 121 may store setup data for a system and may be implemented as a non volatile RAM or a flash memory for example 0088 An IG 750 may be a gateway that includes functions required for accessing an IMS based IPTV service 0089 FIG 5 is a schematic block diagram of an image display device according to another embodiment of the present invention 0090 FIG 5 is a schematic block diagram of an image display device according to an embodiment of the present invention Referring to FIG 5 an image display device 100 Oct 17 2013 accordin
25. er 29 The method of claim 26 wherein the memory manage ment data includes data regarding a storage capacity being allocated per account and data regarding an in use storage capacity by account 30 The method of claim 26 wherein the information regarding the one account includes data regarding a free stor age capacity for the one account 31 The method of claim 26 further comprising informing if a storage capacity for the selected data is insufficient under the one account 32 The method of claim 26 further comprising receiving a command to select another account among the plurality of accounts 33 The method of claim 32 further comprising providing the memory management menu if the command to select the another account is received 34 The method of claim 26 wherein the memory manage ment menu comprises an interface for storing the selected data under another account on the basis of the memory man agement data 35 The method of claim 34 further comprising providing a log in menu for the another account if selection is made for the another account 36 The method of claim 26 further comprising storing the selected data and updating the memory management data according to the storing of the selected data 37 The method of claim 26 wherein the memory manage ment data includes data regarding a storage capacity being allocated per account and further comprising setting the storage capacities of th
26. er a master SI table in step S304 a virtual channel map table in step S305 a virtual channel description table in step S306 and a source table in step S307 0058 For example the service provider discovery may indicate the process in which service providers providing an IPTV relater service discovers a server that provides infor mation regarding their service 0059 The ways of discovering an address list from which information regarding a service discovery SD server for example SP discovery information may be obtained may be as follows Firstly an address preset in the image display device or an address set by user s manual operation may be used Secondly a dynamic host configuration protocol DHCP based SP discovery technique may be used Thirdly a DNS SRV based SP discovery technique may be used 0060 In addition the image display device may access a server corresponding to an address obtained by any one of the three techniques receive a service provider discover record that contains information required for service discovery according to a SP and search service by using the record These processes may be possible in both a push mode and a pull mode 0061 The image display device may access an SP attach ment server that is designated as an SP attachment locator of the SP discovery record and perform a registration procedure or a service attachment procedure 0062 In addition the image display device ma
27. ers 0078 For example the UI manager 124 may provide a graphic user interface GUI for a user by using an on screen display OSD and receive a key input from the user to per form an operation of a receiver according to the input In addition the UI manager 124 may transmit a signal related to a key input to the service manager 123 if receiving the key input related to channel selection from the user 0079 The service manager 123 may control service re lated managers such as the service delivery manager 113 the service discovery manager 120 the service control manager 119 and the metadata manager 122 0080 In addition the service manager 123 may make a channel map and select a channel by using the channel map according to the key input that is received from the UI man ager 124 0081 In addition the service manager 123 may receive service information regarding a channel from the PSI amp PSIP and or ST decoder 114 and set an audio video packet identi fier PID ofthe selected channel to the de multiplexer 115 0082 The service discovery manager 120 may provide information required for selecting a service provider that provides a service For example the service discovery man ager 120 may discover a service by using a received signal if receiving a signal for channel selection from the service man ger 123 0083 The service control manager 119 is responsible for selecting and controlling a service In addition it may s
28. esent disclosure but they may depend on the intentions of those skilled in the art practice the appearance of new technologies etc In addition specific cases use the terms selected arbitrarily by the applicant and in these cases their meaning will be described when describing corresponding inventions Thus it should be noted that the terms used in the specification should be construed on the basis of their actual meanings and contents through the speci fication not just names thereof 0036 FIG 1 is a schematic view of a broadcasting system according to an embodiment and schematically represents an example of the entire broadcasting system that includes an image display device according to an embodiment of the present invention Oct 17 2013 0037 Referring to FIG 1 a broadcasting system may divided into a content provider CP 10 a service provider SP 20 a network provider NP 30 and a home network end user HNED 40 0038 The HNED 40 may correspond to a client 100 that is an image display device according to an embodiment of the present invention and the client 100 may be a network TV a smart TV and an IPTV for example 0039 Thecontent provider 10 produces and provides vari ous content and may be a terrestrial broadcaster a cable system operator SO or multiple system operator MSO a satellite broadcaster or an Internet broadcaster as shown in FIG 1 0040 The content provider 10 may provide various
29. etwork In particular the network interface unit 130 may transmit some of content data from the image display device 100 to a user or an electronic device that is selected from pre registered other users or other electronic devices 0107 The network interface unit 130 may connect to a predetermined web page through a connected network or another network linked to the connected network and may provide an internet web page That is it may connect to a predetermined web page through a network and transmit or receive data to or from a corresponding server In addition it may receive content or data that is provide by a content provider or a network operator That is the network interface unit 130 may receive content such as movies advertisements games VOD or broadcasting signals and information asso ciated with the content provided by the content or network provider over a network In addition the network interface unit 130 may receive update information and update files of firmware provided by the network operator In addition the network interface unit 130 may transmit data to the Internet or content provider or to the network operator Oct 17 2013 0108 In addition the network interface unit 130 accord ing to the present invention may connect to a service server that provides content or an application and may receive data selected by a user for downloading from the server 0109 In addition the image display device according
30. exter nal noise In addition the digital broadcast may provide a bidirectional service unlike the analog broadcast 0004 The image display device has been enhanced in performance and has diversified in function to provide the digital broadcast including a lot of content In addition the enhanced performance of the image display device allows a user to receive an image signal from the broadcasting station and view a related broadcasting program and further the image display device may perform various functions such as game and music play functions and an internet shopping function by using various applications 0005 The image display device enables various applica tions to be downloaded and used and favorite applications may be different per individual A multi user image display device needs to download and execute applications by account The image display device may provide and manage a login menu by account but some image display devices restrict the number of accounts In this case one ofa plurality ofaccounts may download applications and use up a memory that has a finite capacity This may weaken the intents of creating a login menu by account and restricting the number of accounts DISCLOSURE OF THE INVENTION Technical Problem 0006 Embodiments provide a memory management menu through which a storage capacity available by account 18 set to overcome the above described limitations and stor age capacities according to a
31. free storage capacity of the one account 15 sufficient or insufficient to download data the control unit 170 may inform the user ifthe free storage capacity of the one account is insufficient In US 2013 0271477 A1 addition the control unit 170 may provide a memory man agement menu to select storage using another account while informing of the free storage capacity In addition after the user selects another account the control unit 170 may provide a log in menu for that account accept a log in procedure and then allocate selected data to the another account After the user stores data in the one account with which the user is currently logged in or in the another account the control unit 170 may update memory management data 0138 FIG 6isagraphofa memory usage state by account of an image display device It is assumed that the total storage capacity of the memory illustrated in FIG 6 is 100 Gigabyte Referring to FIG 6 a user corresponding to account A is using a storage capacity of 80 Gigabyte and another account Bis using 15 Gigabyte Since the free capacity of the memory 10 is just 5 Gigabyte there is a limitation in that a user corresponding to account C may not download a 10 Gigabyte application 0139 FIG 7isagraphofa memory usage state of memory management data according to an embodiment of the present invention FIG 7 shows that a storage capacity of 25 Gigabyte is allocated to each of four accounts according to an emb
32. g to an embodiment of the present invention may include a storage unit 140 that stores memory management data for a plurality of accounts a user interface unit 150 that receives a command to store data selected in a state logged in by one account a control unit 170 that obtains information regarding the one account from the memory management data and allows a memory management menu to be displayed according to the information regarding the one account a display unit 180 that displays an image processed according to control of the control unit and a communication unit 105 that receives the data selected by a user and information related to this 0091 The communication unit 105 may receive an appli cation or content from an IPTV service provider a content provider or any service provider that provides a VOD service The received content may include movies advertisements games VODs broadcasting content and related information The application may include a game a software program etc 0092 In the case that the content received through the communication unit 105 is related to digital broadcasting a digital broadcasting signal received through a tuner 110 may betransmitted as a transport stream format that is produced by time division multiplexing and packetizing a video signal an audio signal and additional data 0093 In addition the data or content that is received through the communication unit 105 may be a data packet that i
33. g to another embodiment of the present invention 0021 FIG 10A is an exemplary screen of how to select data to be downloaded by a user 0022 FIG 10B is an exemplary screen of how to inform a user of a memory usage state by using memory management data 0023 FIG 10C is an exemplary screen of how to inform of a lack of memory of one account US 2013 0271477 A1 0024 FIG 10D is an exemplary screen of how to display a memory inform menu 80 along with an application list screen 0025 FIG 10E is a screen of an image display device according to another embodiment of the present invention 0026 FIG 1OF is an exemplary screen of how to enter a data store command according to an embodiment of the present invention 0027 FIG 11A is a memory management menu accord ing to an embodiment of the present invention 0028 FIG 11B is an example of a login menu using another account and 0029 FIG 12 is a flow chart of a method of managing a memory according to an embodiment of the present inven tion MODE FOR CARRYING OUT THE INVENTION 0030 The present invention will be described below in more detail with reference to the accompanying drawings 0031 The postfix module and unit for the components used in the following descriptions are simply given consider ing the ease of the writing of the specification and the mod ule and unit may be interchanged in use 0032 image display device to be de
34. hat may obtain the memory management data before downloading an application check the storage capac ity of account therein and inform a user of the storage capac ity by account The user may select an OK button 81 to continue to download data by using one account or may select a CANCEL button 82 to cancel downloading In addi tion by selecting a STORE USING ANOTHER ACCOUNT button 83 it is possible to search for another account that has a sufficient storage capacity That is if the user wants to store the selected data it is possible to check a storage capacity state of a corresponding account and give caution to the user Thus the present invention may allow the user to use data as planned the user recognizing that a storage capacity corre sponding to his her account is insufficient In addition if a storage capacity corresponding to that account is insufficient itis possibleto provide a chanceto store data by using another account 0144 FIG 10C is an exemplary screen of how to inform of a lack of memory of one account Referring to FIG 10C it illustrates a case where a user wants to store data even though a storage capacity for account B is insufficient The image display device may provide a memory lack inform menu 85 that informs the user of a situation if it is determined that a storage space of the selected data for account B is insufficient Accordingly the present invention may allow the user to select a STORE USING ANOTH
35. ice for example a camera or a camcorder through the external device interface unit 135 to be output through the display unit 180 or the audio output unit 185 according to an external device image reproduction command received through the user input interface unit 150 0135 The control unit 170 may control the display unit 180 to display an image For example the control unit 170 may allow a broadcasting image input through the tuner 110 an external input image input through the external device interface unit 130 an image input through a network inter face unit 135 or an image stored in the storage unit 140 to be displayedonthe display 180 In this case the image displayed on the display unit 180 may be a still image a moving image a 2D image or a 3D image 0136 In addition the control unit 170 may control content for reproduction In this case the content may be content stored in the image display device 100 received broadcasting content or external input content input from the outside The content may be at least one of a broadcasting image an external input image an audio file a still image a connected web screen and a document file 0137 The control unit 170 according to the present inven tion may obtain memory management data and obtain infor mation regarding one logged in account such as data regard ing a free storage capacity if a user inputs a command to store data In addition after determining whether the
36. mory is allocated and used by account it is possible to prevent one account to exclusively use the memory and thus promote harmony between family members 0011 Inaddition according to the present invention since when a storage capacity for one account is insufficient stor age capacities for other accounts may be used with reference to other accounts it is possible to prevent a lack of memory or idle memory BRIEF DESCRIPTION OF THE DRAWINGS 0012 FIG 1is a schematic view of a broadcasting system according to an embodiment 0013 FIG 2 is a schematic view of a broadcasting system according to another embodiment 0014 FIG 3 represents a method of receiving transmit ting data between an image display device and a service provider according to an embodiment 0015 FIG 4 is a schematic block diagram of an image display device according to an embodiment of the present invention 0016 FIG 5 is a schematic block diagram of an image display device according to another embodiment of the present invention 0017 FIG 6isa graph ofa memory usage state by account of an image display device 0018 FIG 7isagraphofa memory usage state of memory management data according to an embodiment of the present invention 0019 FIG 8is a graph of a memory usage state of memory management data according to another embodiment of the present invention 0020 FIG 9 is a graph of a memory usage state of memory management data accordin
37. ntion may receive a data selection command from a user The data selection command from the user may be a com mand to select data content or an application which the user wants to download while the user logs in by using one account The user interface unit 150 may receive a selection command from another account when the user changes from one account to another account and then stores data 0127 In addition the user interface unit 150 may receive the same or different storage capacities allocated to a plurality of accounts from the user 0128 The control unit 170 may de multiplex a stream input through the tuner the demodulation unit or the external device interface unit or may process a de multiplexed signal to produce and output a signal for an image or audio output 0129 The image signal processed by the control unit 170 may be input to the display unit 180 such that an image corresponding to that image signal such as an image corre Oct 17 2013 sponding to a memory management menu according to the present invention is displayed In addition the image signal processed by the control unit 170 may also be input to an external output device through the external device interface unit 135 In the case that the image display device 100 is configured as a set top box the image signal processed by the control unit 170 may be transmitted to an external display through the external device interface unit 135 0130 The audio signal
38. o visual A V content 0052 The section filter 102 may perform section filtering on four kinds of data received through the broadcasting inter face 101 and transfer the AIT data to the AIT filter 103 the linear A V content to the broadcasting data processing unit 105 the stream event and application data to the application data processing unit 104 0053 The internet interface 108 may receive non linear A V content and application data and for example the non linear A V content may be content on demand COD 0054 The non linear A V content may be transferred to the media player 106 and the application data may be trans ferred to the run time module 109 0055 In addition the run time module 109 may include an application manager and a browser and the application man ager may control a life cycle for an interactive application by using the AIT data and the browser may display and process the interactive application 0056 FIG 3 represents a method of receiving transmit ting data between an image display device and a service provider according to an embodiment 0057 Referring to FIG 3 the service provider performs a service provider discovery operation in step S301 The image display device transfers an SP attachment request signal in step S302 If the SP attachment is completed the image display device receives provisioning information in step 303 Further the image display device receives from the service provid
39. odi ment ofthe present invention The number in a round bracket indicates a storage capacity Although the storage capacity of 25 Gigabyte may be defined as a minimum storage capacity it may also be defined as a maximum storage capacity by account because 100 Gigabyte all is allocated to the accounts in FIG 7 The storage capacity by account may vary In the case that the storage capacity by account does not change a user with an account may use only the allocated storage capacity 0140 FIG 8isagraphofa memory usage state of memory management data according to another embodiment of the present invention Referring to FIG 8 20 Gigabyte is allo cated to a region 21 for account A 20 Gigabyte is allocated to aregion 22 for account B 20 Gigabyte is allocated to a region 23 for account C and 20 Gigabyte is allocated to a region 24 for account D Thus a region 25 of the memory 10 may be configured as a memory region to which any account is not allocated Such a region 25 may be a sharing memory region For example if a user downloads data without logging in by any account the data may be downloaded in the sharing memory region 25 The other regions 21 to 24 may be defined as a personal memory region 0141 FIG 91sagraphofa memory usage state of memory management data according to another embodiment of the present invention Referring to FIG 9 20 Gigabyte 20 Gigabyte 20 Gigabyte and 25 Gigabyte are allocated to personal memory regions
40. processed by the control unit 170 may also be audibly output to the audio output unit 185 In addition the audio signal processed by the control unit 170 may be inputto an external output device through the external device interface unit 135 0131 Furthermore the control unit 170 may control the overall operation of the image display device 100 For example the control unit 170 may control the tuner to tune to an RF broadcast corresponding to a channel selected by the user or a pre stored channel 0132 In addition the control unit 170 may control the image display device 100 by using a user command input through the user interface unit 150 or an internal program In particular the control unit 170 may connect to a network and allow a user to download a desired application or a desired list of applications in the image display device 100 0133 For example the control unit 170 controls the tuner to receive a signal of a channel selected according to a pre determined channel selection command received through the user input interface unit 150 The control unit 170 then pro cesses the image audio or data signal ofthe selected channel The control unit 170 may allow information regarding the channel selected by a user to be output through the display unit 180 or the audio output unit 185 together with the image or audio signal 0134 Inanother example the control unit 170 may allow animage or audio signal received from an external dev
41. resent invention 0068 Referring to FIG 4 the image display device 100 may include a network interface 111 a TCP IP manager 112 a service delivery manager 113 a demux 115 a PSI amp PSIP and or SI decoder 114 an audio decoder 116 a vide decoder 117 a display A V and OSD module 118 a service control manager 119 a service discovery manager 120 a metadata manager 122 a SI amp metadata DB 121 a UI manager 124 and a service manager 0069 The network interface 111 may receive packets from a network and transfer the packets to the network That is the network interface 111 may receive services and content from a service provider through the network 0070 The TCP IP manager 112 may participate in deliv ering packets between a source and a destination that are received by and transmitted from the image display device 100 In addition the TCP IP manager 112 may classify the received packets according to a protocol and output the clas sified packets to the service delivery manager 115 the service discovery manager 120 the service control manager 119 and the metadata manager 122 0071 The service delivery manager 113 may be respon sible for controlling received service data and use RTP RTCP if controlling real time streaming data for example 0072 When transmitting the real time streaming data by using the service delivery manager 113 may parse the received data packet according to the RTP and then transmit the
42. result to the de multiplexer 115 or store the result on the SI amp metadata DB 121 according to control of the service manager 123 In addition the service delivery manager 113 may use RTCP to feed network reception information back to a server side that provides a service 0073 The de multiplexer 115 may de multiplex the received packet into audio video or program specific infor mation PSI data and then transmit each of the de multi plexed data to the audio and video decoders 116 and 117 and the PSI amp PSIP and or SI decoder 114 0074 ThePSI amp PSIP and or SI decoder 114 may decode service information such as PSI For example it may receive and decode the PSI section de multiplexed by the de multi plexer 115 a program and service information protocol PSIP section or a service information SI section 0075 In addition the PSI amp PSIP and or SI decoder 114 may decode the received sections make a database regarding US 2013 0271477 A1 service information and then store the database regarding the service information in the SI amp metadata DB 121 0076 The audio and video decoders 116 and 117 may decode video and audio data received from the de multiplexer 115 and provide the decoded audio and video data to a user through the display unit 118 0077 The UI manager 124 and the service manager 123 may manage the overall status of the image display device 100 provide a user interface and manage other manag
43. s transmitted through a network interface unit 130 0094 The communication unit 105 may include a tuner that receives a transport stream such as a broadcasting signal transmitted from the outside such as an IPTV service pro vider a content service provider a cable network etc a demodulation unit 120 that outputs a broadcasting signal ofa tuned specific channel as a transport stream format through a vestigial sideband VSB demodulation process and an error correction process and the network interface unit 130 that receives content through a network 0095 broadcasting signal that is received through the tuner 110 is divided into various kinds of additional data by a de multiplexing unit not shown the additional data being defined as a video signal an audio signal and program and system information protocol PSIP information The de multiplexing unit may be implemented in the control unit 170 0096 In addition the tuner 110 may receive a single carrier RF broadcasting signal conforming to the advanced television system committee ATSC standard or a multi carrier RF broadcasting signal conforming to the digital video broadcasting standard 0097 The tuner may sequentially select some of broadcasting signals received through an antenna that are from all broadcasting channels stored through a channel stor age function and may covert them into an intermediate fre quency signal or a baseband image or audio signal 0
44. scribed in the specification is an intelligent image display device which includes for example a computer assisted function in addi tion to a broadcast receiving function Since the image dis play device includes an internet function in addition to the broadcast receiving function it may have an interface conve nient to use such as a handwritten type input unit a touch screen or a space remote control unit In addition the image display device may be connected to the internet and a com puter with the aid of a wired or wireless internet function and perform an email web browsing banking or game function A standardized general purpose operating system OS may be used for such various functions 0033 Since the image display device to be described in the disclosure may freely add or delete various applications to from for example a general purpose OS kernel it may perform various user friendly functions The image display device may be more particularly a network TV HBBTV smart TV and in some cases may also be applicableto a smart phone 0034 Further although embodiments of the present invention will be described below with reference to the accompanying drawings and descriptions on the accompany ing drawings the present invention is not restricted or limited by the embodiments 0035 Theterms used in the specification has been selected as general terms currently widely used if possible considering the functions in the pr
45. y access an authentication service server of an SP designated as the SP authentication locator perform a separate authentication pro cedure and then perform a service authentication procedure 0063 After the service attachment procedure succeeds data transferred from the server to the image display device may have a provisioning information table form Oct 17 2013 0064 Inthe service attachment process the image display device may add its ID and positional information to data to be transferred to the server and the service attachment server may specify based on them a service which the image dis play device joins 0065 Address information from which the image display device may obtain service information may be providedinthe form ofthe provisioning information table The address infor mation may correspond to access information in the master SI table and in this case it is easy to provide a subscriber cus tomized service 0066 In addition the service information may include a master SI table record that manages access information and version of a virtual channel a virtual channel map table that provides a service list ofa package form a virtual channel description table that includes detailed information of each channel and a source table that includes access information enabling access to an actual service 0067 FIG 4 is a schematic block diagram of an image display device according to an embodiment of the p
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