US Patent 7711018 Method and apparatus for laser diode compensation
Patent 7711018 was granted and assigned to MicroVision, Inc. on May, 2010 by the United States Patent and Trademark Office.
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Patent abstract
The luminance of a laser diode is a function of laser diode drive current. The luminance is also a function of other factors, such as age and temperature. A laser projection device includes laser diodes to generate light in response to a commanded luminance, and also includes photodiodes to provide a measured luminance. The commanded luminance and measured luminance are compared, and drive currents for the laser diodes are adjusted to compensate for changes in laser diode characteristics.
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US Patent 07711018 Method and apparatus for laser diode compensation US Patent 7711018 Method and apparatus for laser diode compensation
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Patent Number
0771101800
Patent Number
771101800
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077110180
Date of Patent
May 4, 2010
0Patent Application Number
119626020
Date Filed
December 21, 2007
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077110180
Date of Patent
May 4, 2010
0Patent Application Number
119626020
Date Filed
December 21, 2007
0Official Website
Patent Primary Examiner
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US Patent 07711018 Method and apparatus for laser diode compensation
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07711018
Date of patent
May 4, 2010
Patent application number
11962602
Date Filed
December 21, 2007
Patent primary examiner
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