複合文字を含む日本語入力用ローマ字片手3段5列 キーボードの操作性
Contents
1. 0 nm 1 4 S 52. 1 11 3 42 OA 5 JJK L 4 FJD S A 4 2 4 20 2 6 30
3. 4 3 NM 3 5 3 5 1 4 4 1
4. 1 1 33 10 3 5 YJU I O P H J K L N M 15 B1
5. 3 3 1 51 41 85 5 20 9 Single Hand SKY TOUCH 4 A 10 4
6. A B 10 9 1 10 Single Hand SKY TOUCH 8 3 4 3 11 PWF 3 5 B i EO
7. 2 NZ 4 Single Hand SKY TOUCH 9 2 1 3 5 3 5 15 30 14 9 ai ei ou uu an in un en on 22 14 5
8. 7 a 200 2 1 3 5 1 o 11 pp 819 827 2001 2 60 3 pp 17 24 1995 3 8B 179865 4
9. NN Single Hand SKY TOUCH 10 i 3 EE 1 1 A1 1 2 A0 3 B 1 om stn De a ws en en ve oa we on mw me me 5 C1 1 7 D1 1 3 5 Fig 1 Examples of single handed keyboard layouts formatted in 3 rows by 5 columns Single Hand SKY TOUCH 11 0 453 X 2 Fig 2 Display image of fnger positionmg in the home row key input experiment Single Hand SKY TOUCH 12 ASDF a1
10. 3 2 6 3 1 3 2 15 30 4 A 4 B 3 C 2 D 1 8 6 1 8 gt gt gt gt gt
11. S HK 0 2 CU 1 2 3 2 3 2 5 0 2 2 9 300 0 5 0 T 9 5 0
12. 3 5 my An estimation of operational characteristics for a three row five column Japanese single handed keyboard that uses a combination of Roman characters 2 2 1 0 Single Hand SKY TOUCH 3 5 15 9 8 1
13. 4 11 1 7 100 200 2 3 5 Abstract An effective single handed Japanese input keyboard is needed for portable information devices This paper evaluates a theoretcal device with software that automatically selects characters and has the operational characteristics of the key layout of a single handed keyboard with 15 keys arranged in 3 rows and 5 co
14. 2 3 11 NN ov llj jljlj 0 2 300 4 3 5 3 a1 A S D E 4 a 1 2 1 F S F A S A D A D S 2 3 a2 1 2 i Th RO ON 1
15. Single Hand SKY TOUCH 6 P1 P2 P3 1 3 b1 b2 3 al a2 3 b 4 b P1 P2 P3 P9 P10 P11 1 4 2
16. B 9 6 1 A B A 43 B 28 15 3 2 2 A B 1 8 A 100 4 A B 4 A B 1
17. 82 1L pp 1 6 1999 6 NO 7 S HK Vol 97 No 54 MBL 1 pp 1 6 1997 8 3322782 4 9 Vo1 43 No 10 pp 3087 3096 2002 10 Vol 44 No 2 pp 433 442 2003 11 Vo1 44 No 11 pp 2538 2546 2003 Vol 84 N Single Hand SKY TOUCH 9 12 Vol 28 No 6 pp 658 667 1987 13 A Newell and P S
18. 5 A B 1 6 A B1 82 5 4 2 4 110 L 3S00 500 100 2 2 1 N 0 1 Single Hand SKY TOUCH 7
19. 2 3 11 p1 p11 1 p6 p9 0 p2 p5 p4 pi 1 p8 p10 p7 2 1 5 0 5 0 1 0 5 1 1 5 a2 JKL 0 4 0 3 02 0 1 0 0 1 0 1 0 4 0 5 0 6 0 7 b1 11 p1 p11 b2 3 3 4 Fig 3 Factor analysis of each single handed home row key input time using Tables 3 and 4 Single Hand SKY TOUCH Ca 110 b 68 R e K i S i N in S i K i N o T 1i G ai G a R on S ou N i T u N a G a R u N o H a G o K u a R i H u R e T a G en S Y ou D e a R u D a G a i K en N o T i G a u ai T
20. 1 A 1 49 B 1 57 A B 5 4 A1 CD1 4 LA0 DO0 10 A1 A0 5 25 27 44 54 66 70 B 1 B0 3 4 10 B1 82 B 0
21. 4 A1 B 199 693 95 396 234 214 144 05 447 _ gl 202 685 io 443 197 180 ie9 il 5490 lB 277 504 207 429 189 210 teol io5 23 1B A 3 4 4 9 a ml 87 sel sl sol 0 365 7 ez 373 5 sss 100 sns TE ml teol 00 sl hl im mal wl 5 eal sl mgl sg imzl iwa ssl ml wslus a 262 i EEZ 0 5 a6 18a a 7 1 10096 2 1 A 100 0 5 1 0 8 Singe Hand SKY TOUCH 17 3 11 Table 3 Average home row key input times for individual fingers in single handed keyboarding on 11 subjects a COTE 0 200 0 199 0 176 0 177 0 184 0 191 0 224 0 200 0 217 0 210 0017 0 052 0 056 0 059 0 021 0 044 0 053 0 024 0 062 0 035 b 0 176 0 130 0 111 0 126 0 158 0 152 0 154 0 172 0 195 0 195 1 0 174 0 192 0 105 0 162 0 151 0 187 0 218 0 164 0 181 0 156 8 0 217 0 158 0 132 0 139 0 174 0 170 0 184 0 175 0 172 0 218 87 0 209 0 133 0 125 0 152 0 191 0 136 0 155 0 225 0 175 0 238 4 0 206 0 182 0 131 0 127 0 166 0 216 0 175 0 204 0 147 0 1
22. 57 LC1 C0 2 14 17 B 1 57 62 D 1 D 0 5 80 87 7 14 Single Hand SKY TOUCH 5 50 lt 53 1 3 5 2 4 A B 4 4 1
23. T 1 N 1 5 LB 1 200 2 B 1 82 4 2 5 8 5
24. c T TON 1 1 N o T 0 1 T 0 ec A Newell OO T T1 K N N1 8 2 K 8 N 1 N 1 2 X N Y 1 N N 2 T 1 N 1 TT 1 N 1 T1 0 500 msec 10 msec N 1 0 100 10 rr
25. previously released single handed keyboards using Japanese data A and B CUT SHK CUT 1 1 2 3 7 8 4 14 2 14 50 2 14 2 1 A 100 14 22
26. 92 8 0 158 0 148 0 173 0 156 0 167 0 211 0 187 oi2 oz0 0 184 a Single Hand SKY TOUCH 18 4 11 Table 4 Factor analyses of home row key input times for individual fingers in single handed keyboarding on 11 subjects a b AA Single Hand SKY TOUCH a EE JJ JL J KK KL K LL w 0 220 0 202 0 949 0 031 0 005 5 B1 A Table 5 Usage ratio of keys on the B1 key layout in Fig 1 using Japanese data A 43 0 Single Hand SKY TOUCH 20 Single Hand SKY TOUCH 6 LB1 A Table 6 Finger to finger sequence ratios on the key layout B1 in Fig 1 using Japanese data A 2 3 5 1 1009 6 Singe Hand SKY TOUCH 3 5 Annexed Table 1 Key layout characteristics for
27. Rosenbloom Mechanisms of Skill Acquisition and the Law of Practice In J R Anderdon ed Cognitive Skills and Their Acquisition Lawrence Brlbraum Associaties Pub Hillsdale NJ pp 1 55 1981 14 http cutkey jp PAGES inp html DoCoMo 505i pp 638 690 2003 6 http www tegic com T9_enabled_devices html http www n keitai com demo t9 t9 html A B 3 5 1 3 5 2 4 A B 3 1 3 5 CU 23
28. e N o G en R on K a T u D ou W o H uu z 1 Y ou T o S u R u Y ou N a K ou i N i H a T T en S i T e H a M in S Y u S Y u G i N o K i H on G en R i N i S o M u K u K o T o N i N a R u 4 Fig 4 Input text and key operation as performed in training experiment Single Hand SKY TOUCH 14 4 9 TT 5 10 100 N 5 B 1 1 Hig 5 Training curve using key layout Bl in Fig 1 on one subject Single Hand SKY TOUCH 1 A B Table 1 Analyses of Japanese character data A and B for key layout evaluation ease 2 0 SR seem 25 Es Single Hand SKY TOUCH 16 2 1 Table 2 Key layout characteristics of single handed keyboard layouts in Fig 1 9 1 1
29. lumns using 30 characters comprised of 5 vowels 14 consonants 9 mixed vowels 1 comma and 1 period Our evaluation determined that such a 30 character key layout could reduce the number of key strokes by approximately 10 percent as compared with standard character keys The usage ratio for each finger and the key rows for inputting Japanese data are balanced and the same finger typing sequence ratio is lowered by 4 percent A typing experiment which situated each hand on home row keys and measured fingers on 11 subjects has demonstrated that mutual key input time is faster than that of same key typing Additionally in an experiment where a skilled subject was trained to input using the above described 30 characters keyboard their key input speed reached 200 strokes per minute with an error ratio of only 2 percent after 7 hours and 100 repettions Therefore it has been confirmed that a 1S key keyboard using 30 characters reveals user friendly characteristics assuming that the software can automatically select characters Single Hand SKY TOUCH 2 1
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