US Patent 7375898 Optical device, optical unit and imager
Patent 7375898 was granted and assigned to Fujinon on May, 2008 by the United States Patent and Trademark Office.
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Patent abstract
An optical device comprises: a liquid container that contains water-based liquid and oil-based liquid that are different in refractive index from each other and immiscible with each other to have respective optical-transmission properties so that light can transmit in a predetermined optical-axis direction; a coat film that covers at least part of an inner surface of the liquid container and has a hydrophilic/hydrophobic property changing with temperature; and a temperature regulator that regulates temperature of the coat film.
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US Patent 07375898 Optical device, optical unit and imager US Patent 7375898 Optical device, optical unit and imager
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Patent Number
0737589800
Patent Number
737589800
Edits on 21 Apr, 2023
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073758980
Date of Patent
May 20, 2008
0Patent Application Number
117002250
Date Filed
January 31, 2007
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073758980
Date of Patent
May 20, 2008
0Patent Application Number
117002250
Date Filed
January 31, 2007
0Official Website
Patent Primary Examiner
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US Patent 07375898 Optical device, optical unit and imager
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07375898
Date of patent
May 20, 2008
Patent application number
11700225
Date Filed
January 31, 2007
Patent primary examiner
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