Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 29, 2008
Patent Application Number
10958621
Date Filed
October 6, 2004
Patent Primary Examiner
Patent abstract
A method and apparatus for controlling the power of laser diodes are provided. The apparatus includes an output voltage sensor, which senses output voltages of at least two laser diodes and outputs the output voltages to an optical power controller. The optical power controller generates control voltages for controlling the at least two laser diodes by performing proportional-integral (PI) control on error voltages between reference voltages and the output voltages received from the output voltage sensor.
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