US Patent 7646889 Rain sensor
Patent 7646889 was granted and assigned to Denso on January, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A rain sensor provided in a vehicle includes a camera and a processor. The camera takes an image of a scene outside of the vehicle through a windshield of the vehicle with an infinite focal length. The processor detects rain based on a variation degree of intensities of pixels in the image from an average intensity of the pixels.
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Patent Inventor Names
Takeshi Tsukamoto0
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Patent Citations Received
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Official Website
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US Patent 07646889 Rain sensor US Patent 7646889 Rain sensor
Infobox
Patent Number
076468890
Patent Number
76468890
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
076468890
Date of Patent
January 12, 2010
0Patent Application Number
113762100
Date Filed
March 16, 2006
0Official Website
Patent Primary Examiner
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US Patent 07646889 Rain sensor
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07646889
Date of patent
January 12, 2010
Patent application number
11376210
Date Filed
March 16, 2006
Patent primary examiner
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