Multiple window scanner and method for multiple focal distance r

Details Multiple window scanner and method for multiple focal distance r Multiple window scanner and method for multiple focal distance r

1997-08-15

1999-02-09

Gross, Anita Pellman

Registers

Coded record sensors

Particular sensor structure

235454, 23546201, G06K 710

Patent

active

058698272

ABSTRACT:
A multiple window data reading device and method for reading symbols such as bar codes through each window, data reading being focused to different focal distances in the scan volume with sensors provided to control focal distance setting from each of the windows.

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patent: 5229588 (1993-07-01), Detwiler et al.
patent: 5286961 (1994-02-01), Saegusa
patent: 5343029 (1994-08-01), Katoh et al.
patent: 5475207 (1995-12-01), Bobba et al.

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