Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
An Sik Choi0
Date of Patent
May 25, 2010
0Patent Application Number
120419340
Date Filed
March 4, 2008
0Patent Primary Examiner
Patent abstract
An image forming apparatus including: optical sensor to receive a bias current and to divide the bias current into two output currents, according to positions of a light beam on the optical sensor; and a signal processor to detect horizontal synchronization signals using the output currents, to calculate a positional deviation of the horizontal synchronization signals, and to control a recording time of video data according to the positional deviation.
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