US Patent 7446965 Optical focusing device
Patent 7446965 was granted and assigned to Industrial Technology Research Institute on November, 2008 by the United States Patent and Trademark Office.
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Patent abstract
This invention discloses an optical focusing device including a body, a sleeve pivotally connected to the body, a lens screwedly engaged with the sleeve, and a piezoelectric actuator fixedly disposed in the body for contacting and driving the sleeve to rotate. The body and the lens are provided with first and second guiding portions respectively for positioning and sliding, so as to drive the sleeve to rotate and thereby actuate focusing of the lens. The optical focusing device is structurally simple and configured to increase a driving force.
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US Patent 07446965 Optical focusing device US Patent 7446965 Optical focusing device
Infobox
Patent Number
0744696500
Patent Number
744696500
Edits on 22 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074469650
Date of Patent
November 4, 2008
0Patent Application Number
118020230
Date Filed
May 18, 2007
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074469650
Date of Patent
November 4, 2008
0Patent Application Number
118020230
Date Filed
May 18, 2007
0Official Website
Patent Primary Examiner
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US Patent 07446965 Optical focusing device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07446965
Date of patent
November 4, 2008
Patent application number
11802023
Date Filed
May 18, 2007
Patent primary examiner
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