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2、 A( ) .6 KS X 5020:2011 .7 KS X 5020:2011 ii . . , , . , , . KS A 0001:2008( ) F A (ISO/IEC DIRECTIVES APPENDIX I Common patent policy for ITU-T/ITU-R/ISO/IEC) . KS X 5020:2011 iii , PC , PC, , TV , . , PC , , , , , . 43 12 . . ( ) : : 1998 08 10 ( ) : 0159191 : 1995-011600 : ( ) : : 1999 03 12 ( )
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4、S) , KS X ISO/IEC 14755, KS X ISO/IEC 10646 KS X ISO/IEC 15412, ITU-T E.161, Arrangement of digits, letters and symbols on telephones and other devices that can be used for gaining access to a telephone network 3 . 3.1 , , 3.2 (43 12 ) , KS X 5020:2011 2 3.3 , 3.4 ( ) , (asterisk, ), #(number sign,
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8、+0 +0 4 +8 4 +4 5 +5 +6 +6 5 +5 +8 5 +5 +7 +7 KS X 5020:2011 5 , , (buffer) . , , . 5 5.1 5 , , 5 . 5 . 5 5 5 2 ( ) 5.2 , , . DTMF(Dual Tone Multiple Frequency) , , . KS X 5020:2011 6 A ( ) (ISO/IEC DIRECTIVES APPENDIX I) ITU-T , ITU-R (recommendation) , ISO IEC (deliverables) “ (code of practice)”
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10、.3 2.1 2.2 , / . 3. (2.1, 2.2 2.3) , “ ” ITU-TSB, ITU-BR ISO IEC . . KS X 5020:2011 7 KS X 5020:2011 . 1 43 12 . , , . 2 95 05 5 , 09.11 50 * (09.12) 90 % 10.3 ( ) ( 16 ) , (10.10.28) (10.12.2) 2 (1 ： ) ( , , ) , (11. ) (2 ： ) , , ( ) (11. ) ( 3 , 3 ) , 5 (10.12.2) , KT, , KS X 5020:2011 8 , (11.3.2
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13、d office systems Part 8 ：Allocation of letters to the keys of a numeric keypad ITU-T SG2( ) / Q.4( ) JTC 1/SC 35( ) keypad (push button) / (rotary dial) * virtual keypad . (push button) * hardware / virtual (touchscreen) (ISO/IEC 9995 1) . * . calculators, telephone, automated teller machines * ISO/
14、IEC 9995 1(General principles keyboard layouts) . personal computer, workstation, computer terminals electronic typewriter and other machines mobile computer, PDA, multimedia device electronic document scanners and multi function device (43 array)(1-2-3 layout)KS X 5020:2011 10 ITU-T E.161 (rotary d
15、ial) (push-button) E.161 (1988) option A option A E.161 (1993) 2.2 (option A & B ) . E.161 (1995) (CCITT ITU), E.161 (2001) 2.2 (option A) . 5 ( ) a) : JTC 1/SC 35/WG 1( ) b) 1) 1 (06.9) 43 43 KS X 5020:2011 11 06 9 , SC 35( ) 43 ( ) (NWIP) , . * ) , . 2) 2 (07.2) 07 2 , SC 35( ) 06 33 / (NWIP) , NP (NP 29135) , . 6 ( ) (09.12 ) : 15 60 ( 95 %, 3.1 %p, ) 【 】 , 45.8 %, 51.3 % , , . 【 】 , 89.9 %, 4 % . , 71.7 %
