US Patent 8228582 Optical retro-reflective apparatus with modulation capability
Patent 8228582 was granted and assigned to Hrl Laboratories, Llc on July, 2012 by the United States Patent and Trademark Office.
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Patent abstract
An optical MEMS retro-reflective apparatus with modulation capability having a retro-reflecting structure including a pair of reflective surfaces; and a MEMS device for moving at least one of the reflective surfaces of said pair of reflective surfaces relative to another one of the reflective surfaces of said pair of reflective surfaces a distance which causes the pair of reflective surfaces to switch between a reflective mode of operation and a transmissive mode of operation. A substrate and a moveable grating structure may be substituted for the reflective surfaces.
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Patent Inventor Names
David M. Pepper0
Keyvan Sayyah0
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US Patent 08228582 Optical retro-reflective apparatus with modulation capability US Patent 8228582 Optical retro-reflective apparatus with modulation capability
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Patent Number
08228582
Patent Number
8228582
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US Patent 08228582 Optical retro-reflective apparatus with modulation capability
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Is a
Current assignee
Patent jurisdiction
Patent number
08228582
Date of patent
July 24, 2012
Patent application number
12757926
Date Filed
April 9, 2010
Patent primary examiner
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