QR Code 技術之探討 曾婉菁 Bar Space, 1 2 15
第二十九卷第一期 1. 2. Matrix 2D barcode 1 0 QR Code Magicode QuickMark DataMatrix ShotCode 3 QR 50
印刷科技 QR Code PDF417 DataMatrix Maxi Code Developer(country) Data capacity DENSO(Japan) Symbol Technologies (USA) RVSI Acuity CiMatrix (USA) UPS (USA) Type Matrix Stacked Bar Code Matrix Matrix Numeric 7,089 2,710 3,116 138 Alphanumeric 4,296 1,850 2,355 93 Main features Binary 2,953 1,018 1,556 Kanji 1,817 554 778 Large capacity, small printout size High speed scan Large capacity Small printout size High speed scan Main usages All categories OA FA Logistics Standardization AIM International JIS ISO AIM International ISO 3. AIM International ISO AIM International ISO QR DENSO WAVE 1994 QR RS-232C QR QR code Quick Response Code QR Code QR A. QR Kanji Kana Hiragana 7089 4 5 QR Code Data capacity 數字最大 7,089 字元數字和字元最大 4,296 字元二進制 (8 位元 ) 最大. 2,953 位元組 Kanji, full-width Kana 最大 1,817 字元 4. QR 51
第二十九卷第一期 8. 5. 300 QR B. 6 QR 1/10 E. Patterns 9 6. vs. QR C. JIS Level 1 and Level 2 kanji 7 9. F. 10 QR 7. D. 8 30% 10. vs. 52
印刷科技 QR code QR Code QR Code QR Code QR Code QR Code PDA WEBCAM SCANNER MSN QR Code A. QR 11 : 11. 4.5 cm x 5.2 cm 12 QR 53
第二十九卷第一期 OMIA 7.5 cm x 4.2 cm QR OMIA 13. QR Code C. 12. B. QR 13 QR Code QR Code 14 QR Code QR Code. window shopping QR Code 54
印刷科技 E. QR email 14. QR Code / D. Mbus QR-code 15 QR Code 16 17 18 15. 16. QR Code 55
第二十九卷第一期 G. QR QR 17. 18. 20 F. QR code scan 19 19. QR code 20. H. 21 QR CODE QR 56
印刷科技 CODE 21. QR 40 1 0 1 21 21 / 40 177 177 / 22-1 22-2 character type error correction level 22-2. QR Version information Format information Data and error correction keys patterns Outline zone 23 22-1. 23. QR 57
第二十九卷第一期 A. Version information 18 6 12 BCH symbol 24 25 0 LSB 17 MSB Mask Pattern 26-3 26-1. 24. 26-2. 25. vs. B. Format information 26-1 15 5 10 BCH 26-2 3-5 26-3. 58
印刷科技 C. Data and error correction keys BCH 27-1 27-2. D1 D28 E1- E16. 28. Density version. 29. 27-1. 29. 27-2. D. patterns 1). position pattern : 28. 2). Timing Pattern : Symbol 3). Alignment Pattern :. 30 Xi,Yi i 31. 30. 59
第二十九卷第一期 Symbol Module size QR 33. 33. Version 1 QR 31. vs. E. Outline zone Quiet zone 4. 32. B. Printer Head Density and Module Size : 34-1 Dots 34-2 32. Outline zone/ Quiet Zone Module size A. Symbol Version 34-1. Module Size C. Scanner Factors : QR 600dpi/4 dots 60
印刷科技 QRcode 01234567 34-2. module size 0.17mm 0.17mm. QR Code Securing Margin QR Code 50 1. M 2. M Version 3 50 61 version M 38 3. 400 dpi 0.254um 25.4mm/ inch 400 4 / = 0.254mm/ 4. Version 3 = 29 QR 29 0.254mm / =7.366 mm 5. 7.366mm + 0.254mm/module 8 modules =9.398mm QR 9.398mm*9.398mm 1-M 1 * 3 Group 10 7. 012 -> 0000001100 345 ->0101011001 67 -> 1000011 * 10 10 bits for version 1-M Character count indicator 8 = 0000001000 * Mode Indicator for Numeric Mode = 0001 * Terminator = 0000 * = + + + =0001 0000001000 0000001100 0101011001 1000011 0000 * 8 codewords 8 0 = 00010000 00100000 00001100 01010110 01100001 10000000 * 6 1-M codewords 16 10 = 00010000 00100000 00001100 01010110 01100001 10000000 11101100 00010001 61
第二十九卷第一期 11101100 00010001 11101100 00010001 11101100 00010001 11101100 00010001 2 Error Correction Codeword generation Reed-Solomon = 00010000 00100000 00001100 01010110 01100001 10000000 11101100 00010001 11101100 00010001 11101100 00010001 11101100 00010001 11101100 00010001 10100101 00100100 11010100 11000001 11101101 00110110 11000111 10000111 00101100 01010101 3. 1-M Position Detection pattern Timing pattern 21x21.. 4 Masking Pattern selection 1-M = 011 5 Format Information M 011. = 00 011 BCH = 1101011001 = 000111101011001. 101010000010010 XOR =10110 1101001011 6 symbol construction. 35. 35. 01234567 1. ISO/IEC 18004 Information technology -Automatic identification and data capture techniques- Bar code symbology- QR Code 2. http://www.calm9.com/labs/qrcode 3. http://eblog.cisanet.org.tw/80366493/article/ content.aspx?articleid=991 4. http://en.wikipedia.org/wiki/qr_code 5. http://www.qrcode.com/en/ 6. http://eblog.cisanet.org.tw/80366493/article/ content.aspx?articleid=991 7. http://www.gs1tw.org/twct/gs1w/download/ 991022-1.pdf 62