Optical information reading apparatus

Details Optical information reading apparatus Optical information reading apparatus

2005-08-18

2010-06-08

Walsh, Daniel (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S462200, C235S462210, C235S462080, C250S566000

Reexamination Certificate

active

07731092

ABSTRACT:
In an optical information reading apparatus, a pickup unit has a predetermined reading position, and is configured to optically pickup information of a target when the information is located at the reading position. A marker beam irradiating unit includes a light beam source configured to emit a light beam. The marker beam irradiating unit includes a beam pattern forming lens arranged to allow the emitted light beam to enter thereinto. The pattern forming lens is configured to irradiate a marker beam based on the emitted light beam. The marker beam has a predetermined beam pattern composed of at least one linear beamlet to indicate the reading position of the pickup unit.

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