Scanner with linear actuator based lens positioning system

Details Scanner with linear actuator based lens positioning system Scanner with linear actuator based lens positioning system

1997-06-27

1999-11-09

Lee, Michael G.

Registers

Coded record sensors

Particular sensor structure

2354622, 23546223, 23546232, 23546243, G06K 710

Patent

active

059797606

ABSTRACT:
A scanner for reading barcode symbologies having a focusing illuminating source. The scanner uses a coherent light source for illuminating the coded symbol during a scan and a detector for collecting the reflected light energy from the coded symbol. Both the illuminating and collecting devices include lenses which are in variable spacial relationship with each other. The scanner varies the relationship between the light source and associated focusing lens to provide the narrowest focused beam at the barcode location.

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patent: 5679941 (1997-10-01), Iizaka et al.
Signetics--Application Notes--Feb. 1987, pp. 5-343, 5-347 and 5-378.

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