Symbol code reader using signal selection for a predetermined se

Details Symbol code reader using signal selection for a predetermined se Symbol code reader using signal selection for a predetermined se

1994-04-08

1995-04-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

235462, G06K 710

Patent

active

054081033

ABSTRACT:
A symbol code reader comprises a two-dimensional array of photosensitive elements for converting light scattered by the symbol code into image signals representative of the symbol code, image storage means for storing image signals produced by the photosensitive elements, and selection means for selectively passing image signals from the photosensitive elements to the image storage means. Preferably, the selection means are arranged for passing the image signals from predetermined sets of photosensitive elements, the elements of each set constituting a pattern in the array.

REFERENCES:
patent: 4408344 (1983-10-01), McWaters et al.
patent: 4822986 (1989-04-01), Guthmueller et al.
patent: 4877949 (1989-10-01), Danielson et al.

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