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Method and apparatus for decoding two-dimensional bar code 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-007/10
출원번호 US-0253694 (1994-06-03)
발명자 / 주소
  • Shellhammer Stephen J. (Lake Grove NY) Nikzad Arman (Holbrook NY) Swartz Jerome (Old Field NY)
출원인 / 주소
  • Symbol Technologies, Inc. (Bohemia NY 02)
인용정보 피인용 횟수 : 250  인용 특허 : 0

초록

A method and apparatus for decoding a two-dimensional bar code symbol using a charge-coupled device (CCD) camera, charge-modulation device (CMD) camera, or other bar code reading device such as a hand-held reader, light pen or wand, scan mouse, or stationary laser scanner. The CCD/CMD

대표청구항

A system for reading and decoding a two-dimensional bar code symbol having rows of bar-coded information in which data is represented in each row by a plurality of codewords, each row including a predetermined control codeword, the codewords being formed of a plurality of modules, comprising: a two-

이 특허를 인용한 특허 (250)

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