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Apparatus for optically reading a bar code 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-007/10
출원번호 US-0807418 (1991-12-13)
우선권정보 JP-0292787 (1988-11-18)
발명자 / 주소
  • Niwa Katsuhisa (Osaka JPX)
출원인 / 주소
  • West Electric Company, Ltd. (Osaka JPX 03)
인용정보 피인용 횟수 : 50  인용 특허 : 0

초록

Light emitted from either one or two light sources is converged by first and second lenses to illuminate a strip shaped area where an object with a bar code is disposed. Alternatively, the first and second lenses may be combined with one another to form a single, multi-functional lens.

대표청구항 ▼

An apparatus for optically reading a bar code from an object, said apparatus comprising: no more than two light emitting diodes for producing light that is converged on said bar code; optical lens means comprising first lenses and second lenses for focusing and converging said light on a strip-shape

이 특허를 인용한 특허 (50)

  1. Schwartz Eric D. ; Hubben Edward B. ; Jovanovski Brian L. ; Hunter Vivian L. ; McCall Melvin D. ; Beckhusen Gerard F., Adjustable illumination system for a barcode scanner.
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