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US Patent 9997984 Driving apparatus

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Pioneer Corporation
Pioneer Corporation
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
99979841
Patent Inventor Names
Kenjiro Fujimoto1
Date of Patent
June 12, 2018
1
Patent Application Number
151058111
Date Filed
December 19, 2013
1
Patent Citations Received
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US Patent 11909291 Rotary reciprocating drive actuator with movable element and magnets and rotating mirror
2
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US Patent 12095332 Rotary reciprocating drive actuator
3
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4
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US Patent 11664713 Rotary reciprocating drive actuator having magnets and coils, capable of attaching a movable object
5
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US Patent 11757341 Actuator device
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US Patent 12021431 Actuator device
6
Patent Primary Examiner
‌
Edgardo San Martin
1
Patent abstract

A driving apparatus (101) is provided with: a first base part (110); a second base part (120); an elastic part (210) configured to couple the first base part with the second base part; a coil (300) disposed on the first base part; a first magnet (710) disposed on one side of the coil; a second magnet (720) disposed on an opposite side of the first magnet as viewed from the coil; a first middle yoke (810) provided on a surface of the first magnet opposed to the coil; and a second middle yoke (820) provided on a surface of the second magnet opposed to the coil. In particular, the first magnet is smaller than the second magnet. The first middle yoke is located closer to the coil than the second middle yoke is.

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