Registers – Transfer mechanism – Traveling pawl
Patent
1982-11-08
1985-02-19
Rubinson, Gene Z.
Registers
Transfer mechanism
Traveling pawl
235454, 235494, 382 65, G06K 710
Patent
active
045007764
ABSTRACT:
A remote bar code reading camera for detecting dark and light areas of a bar code carried on an object disposed at a distance from the camera has a substantially continuously operating non-coherent light source for illuminating the bar code, an optical arrangement with a rectangular aperture for directing the reflected light from the bar code onto an image sensor, the optical arrangement having a depth of field such that reflections from remote objects are accurately transmitted to the image sensor, and a processing circuit for shaping and analyzing the signals from the image sensor. The processing circuit includes an external random access memory which, during a first portion of a signal processing cycle is used with loading circuitry to store digital information corresponding to the scanned bar code, and during a second portion of a processing cycle is utilized as the working memory for a microcomputer for decoding the information. The camera has an interface means for transferring the decoded data to an external device.
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I.B.M. Tech. Disclosure Bul., vol. 13, No. 3, Aug. '70, p. 823.
Lev Robert G.
Rubinson Gene Z.
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