Beam position adjusting method for optical scanning device

Details Beam position adjusting method for optical scanning device Beam position adjusting method for optical scanning device

2006-02-28

2006-02-28

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S235000, C347S250000, C359S212100

Reexamination Certificate

active

07005631

ABSTRACT:
A CPU first detects a position of a stationary laser beam using a beam position detection sensor, and then determines a target position of a movable laser beam relative to the stationary laser beam. The CPU effects a control to approach the movable laser beam to the target position in predetermined steps. When the CPU moves the movable laser beam, it checks whether the movable laser beam has moved to the target position. If the movable laser beam has not moved to the target position, the CPU performs a control once again to perform the first detection of the position of the stationary laser beam.

REFERENCES:
patent: 5929891 (1999-07-01), Komiya et al.
patent: 5995246 (1999-11-01), Komiya et al.
patent: 6462855 (2002-10-01), Komiya et al.
patent: 2001-091872 (2001-04-01), None

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