Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 8, 2010
Patent Application Number
11206291
Date Filed
August 18, 2005
Patent Citations Received
...
Patent Primary Examiner
Patent 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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