KR940001000A - 적응 바 코드 스캐너 - Google Patents

적응 바 코드 스캐너 Download PDF

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KR940001000A
KR940001000A KR1019930010520A KR930010520A KR940001000A KR 940001000 A KR940001000 A KR 940001000A KR 1019930010520 A KR1019930010520 A KR 1019930010520A KR 930010520 A KR930010520 A KR 930010520A KR 940001000 A KR940001000 A KR 940001000A
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South Korea
Prior art keywords
bar code
reader
symbol
code symbol
electrical signal
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KR1019930010520A
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English (en)
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슈발쯔 제롬
발칸 에드워드
에스 스피쯔 글렌
카쯔 조셉
메트리스키 보리스
Original Assignee
시모야마 도시로오
오림파스 고오가꾸 고오교오 가부시기가이샤
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Publication of KR940001000A publication Critical patent/KR940001000A/ko

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • G06K7/10891—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners the scanner to be worn on a finger or on a wrist
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • G06K7/109—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners adaptations to make the hand-held scanner useable as a fixed scanner
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00—Cash registers
    • G07G1/0036—Checkout procedures
    • G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader

Abstract

판독될 심볼을 스위프하며, 타겟을 향하는 광 빔을 발생하기 위한 스캐너를 포함하는, 바 코드 심볼등을 판독하기 위한 적응 방법. 적응장치는 또한, 그러한 심볼로부터 반사된 빛을 수용하기 위한 포토디텍터와, 유효 심볼이 주사되었는지를 결정하기 위해 수용된 신호가 충분히 거리를 두었는지를 결정하는 회로와, 그러한 신호를 처리하기 위한 디지타이저 임계값과, 조정가능한 이득과 대역폭을 갖는 신호 처리회로로 구성됨.

Description

적응 바 코드 스캐너
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 의한 바 코드 판독기의 일 실시예에 대한 사시도,
제3도는 본 발명에 의한 바 코드 판독기의 제2실시예에 대한 사시도.

Claims (8)

  1. a)광빌을 바코드 심볼을 향하게 하는 단계와, b) 상기 바 코드 심볼로부터 반사된 빛을 감지하고, 이에 응답하여 전기 신호를 발생하는 단계와, C) 선택가능한 이득과 대역폭을 가진 회로의 상기 전기 신호를 처리하는 단계와, d) 제언 신호를 발생하기 위해 상기 전기 신호에 의해 제시된 것과 같은 상기 바 코드 심볼의 판독가능성을 결정하는 단계와, e) 상기 제어 신호에 응답하여 상기 회로의 이득 및/혹은 대역폭을 변화시키는 단계로 구성되는, 바코트 판독기 작동 방법.
  2. 제1항의 방법에 있어서, 상기 반사된 빛을 감지하기 위한 상기 단계는, (a) 광-디텍터 어레이에 판독될 심볼을 포함한 시야장의 영상을 광학적으로 비추는 단계와, (b) 상기 광-디텍터 어레이와 충돌하는 빛의 바이너리 표시를 메모리 어레이에 전달하는 단계와, (c) 바 코드 정보를 포함한 전기적 데이타 출력을 발생하기 위해 상기 메모리 어레이를 주사하는 단계로 구성되는. 바 코드 판독기 작동 방법.
  3. (a) 광 빔을 바 코드 심볼로 향하게 하는 단계와, (b) 상기 바 코드 심볼로부터 반사된 빛을 감지하고, 이에 응답하여 전기 신호를 발생케하는 단계와, (c) 디지탈화한 선택가능 임계값을 갖는 회로의 상기 전기 신호를 디지털화하는 단계와, (d) 제어 신호를 발생하기 위해 상기 전기 신호에 의해 제시되는 ·것과 같은 상기 바 코드 심볼의 판독가능성을 결정하는 단계와, (e) 상기 제어 신호에 응답하여 상기 회로의 상기 디지탈화한 임계값을 변화시키는 단계로 구성되는, 바 코드 판독기 작동 방법.
  4. 바 코드 판독기 작동 방법으로서, (a) 초점을 일반적으로 바 코드 심볼이 판독될 영역에 갖는 광 빔을 바 코드 심볼로 향하게 하고, (b) 상기 바 코드 심볼로부터 반사된 빛을 감지하고 이에 응답하여 전기 신호를 발생시키는 단계와, (c) 디지탈화한 선택가능 임계값을 갖는 회로의 상기 전기 신호를 디지탈화하는 단계와, (d) 진폭의 차가 특정 임계값을 초과할 경우, 제어 신호를 발생하는 상기 바 코드 심볼에 의해 제시되는 바와 같은 넓은 바와 좁은 바의 상기 상관적인 진폭을 결정하는 단계와, (e) 초점을 바 코드 심볼의 위치에 더욱 근접시키기 위해, 상기 제어 신호에 응답하여 상기 광 빔의 초점을 변화시키는 단계로 구성되는 방법.
  5. (a) 후보 바 코드 심볼로부터 반사된 빛을 감지하고, 이에 응답하여 전기 신호를 발생시키는 단계와, (b) 상기 전기 신호로부터 나온 상기 후보 바 코드 심볼의 판독가능성을 결정하는 단계와, (C) 상기 후보 바 코드 심볼의 판독가능성을 증대하기 위해 상기 판독기의 광학 및/또는 전기적 특성을 조정하는 단계로 구성되는, 상기 바 코드 판독기로부터 각기 다른 거리와 방향에 위치하는 바 코드를 판독하기 위한 바코드 판독기의 작동 방법.
  6. 제5항에 있어서, 상기 조정 단계는, 상기 전기 신호를 처리하기 위해 회로의 전기적 파라디터를 변화시키는 기능을 하는 콘트롤러에 디지탈 제어 신호를 제공하는 것으로 구성되는, 상기 바 코드 판독기로부터 각기 다른 거리와 방향에 위치하는 바 코드를 판독하기 위한 바 코드 판독기의 작동 방법.
  7. 제5항에 있어서, 상기 조정 단계는, 초점 존을 변경하기 위해 상기 판독기의 광학 초점을 조정하기 위한 기능을 하는 콘트롤러에 디지탈 제어 신호를 제공하는 것으로 구성되는, 상기 바 코드 판독기로부터 각기 다른 거리와 방향에 위치하는 카 코드를 판독하기 위한 바 코드 판독기의 작동 방법.
  8. 바 코드 판독기를 제조하는 방법으로서, 상기 판독기는 사용자의 장치에 따라 판독기와 바 코드 심볼 사이의 각기 다른 범위의 거리에 위치하는 타겟에 있는 바 코드 심볼을 판독하기 위해 고안된 것으로, (a) 광 빔을 사용자의 장치에 사용하기 위한 형태의 테스트 심볼로 향하게 함으로써 제조 중 샘플 바 코드 판독기를 테스트하는 단계와, (b) 각기 다른 거리에서 심볼의 상대적 판독가능성 정도에 대한 출력 지시를 발생하기 위해, 상기 판독기로부터의 상기 제1, 2설정 거리에서 상기 테스트 심볼로부터 반사된 빛을 감지하는 단계와, (c) 상기 제1,2거리 사이의 작동 거리 범위내에서 제시된 형태의 심볼을 최적으로 판독할 수 있기 위해, 판독기의 광학적, 전기적 특성 자동적으로 결정하는 단계와, (d) 상기 설정 거리에 의해 형성되는 작동 범위에 대응하기 위해 판독기의 광학적, 전기적 파라미터를 자동적으로 세팅하는 단계로 구성되는, 바 코드 판독기를 제조하는 방법
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930010520A 1992-06-12 1993-06-10 적응 바 코드 스캐너 KR940001000A (ko)

Applications Claiming Priority (2)

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US89783592A 1992-06-12 1992-06-12
US7/897,835 1992-06-12

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KR940001000A true KR940001000A (ko) 1994-01-10

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US (1) US6015090A (ko)
KR (1) KR940001000A (ko)
CN (1) CN1036809C (ko)
TW (1) TW252195B (ko)

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CN1036809C (zh) 1997-12-24
TW252195B (ko) 1995-07-21
CN1079833A (zh) 1993-12-22
US6015090A (en) 2000-01-18

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