US Patent 8004151 Drive unit
Patent 8004151 was granted and assigned to Panasonic on August, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A drive unit includes an ultrasonic actuator having an actuator body generating vibration, and diver elements attached to the actuator body to output drive force by generating orbit motion in response to the vibration of the actuator body; and a movable body contacting the driver elements, and relatively moving with respect to the ultrasonic actuator. In a surface of the movable body, which contacts the driver elements, smoothed portions are interleaved with recessed portions which are recessed with respect to the smoothed portions.
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Patent Inventor Names
Hideaki Mukae0
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US Patent 08004151 Drive unit US Patent 8004151 Drive unit
Infobox
Patent Number
080041510
Patent Number
80041510
Edits on 1 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
080041510
Date of Patent
August 23, 2011
0Patent Application Number
128294510
Date Filed
July 2, 2010
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 08004151 Drive unit
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08004151
Date of patent
August 23, 2011
Patent application number
12829451
Date Filed
July 2, 2010
Patent primary examiner
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