Bar code scanner with simplified auto-focus capability

Details Bar code scanner with simplified auto-focus capability Bar code scanner with simplified auto-focus capability

1995-09-21

1998-08-18

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235470, 235462, G06K 710

Patent

active

057960895

ABSTRACT:
A bar code scanner for reading a bar code tag includes a collection optical system, a two dimensional array of detectors, rotating means for imparting rotational movement to the array and displacement means for varying the position of one of the collection optical system and the array along an optical axis of the collection optical system.

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patent: 4877949 (1989-10-01), Danielson et al.
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patent: 4978860 (1990-12-01), Bayley et al.
patent: 5019699 (1991-05-01), Koenck
patent: 5308966 (1994-05-01), Danielson et al.
patent: 5359185 (1994-10-01), Hanson
patent: 5414251 (1995-05-01), Durbin
patent: 5426288 (1995-06-01), Obata et al.

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