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Hand-held instant bar code reader system with automated focus based on distance measurements

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-007/10
출원번호 US-0894689 (1986-08-08)
발명자 / 주소
  • Danielson Arvin D. (Cedar Rapids IA) Durbin Dennis A. (Cedar Rapids IA)
출원인 / 주소
  • Norand Corporation (Cedar Rapids IA 02)
인용정보 피인용 횟수 : 304  인용 특허 : 13

초록

In the instant reading of bar codes by flash illumination, the disclosed system automatically adapts to bar code configurations of greater extent and/or curvature, for example by measuring distance to one or more points on the bar code and adjusting a lens barrel, and/or by selecting from multiple i

대표청구항

In a bar code reader system, a hand-held bar code reader positionable by hand at varying distances from a bar code to be read and operable for reading bar codes at distances from said reader within a certain operative range, said reader comprising: bar code sensor means for generating an output sign

이 특허에 인용된 특허 (13)

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