Optical device actuator and lens barrel provided with same

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United States of America Patent

PATENT NO 12117665
SERIAL NO

17421597

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical device actuator comprises a movable frame (33) including a focus lens (L11); a main shaft guide (40); a piezoelectric element (36a); a weight (36b); a fixed frame (30); a guide holding frame (35); and a spring (36c). The piezoelectric element (36a) imparts vibration to a first end (40a) side of the main shaft guide (40). The fixed frame (30) supports the piezoelectric element (36a) and the weight (36b) disposed on the first end (40a) side of the main shaft guide (40). The guide holding frame (35) supports, in a fixed state, the main shaft guide (40) on a second end (40b) side on the opposite side from the first end (40a) side. The spring (36c) is provided on the first end (40a) side of the main shaft guide (40), and presses the piezoelectric element (36a) along the axial direction with respect to the first end (40a) of the main shaft guide (40) via the weight (36b).

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Patent Owner(s)

Patent OwnerAddress
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTDOSAKA JAPAN OSAKA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Enomoto, Tatsuhiro Nara, JP 2 5
Morita, Tetsuya Osaka, JP 88 1133
Sakakibara, Takeshi Osaka, JP 11 22
Umeda, Makoto Osaka, JP 21 425
Yoshikawa, Naoki Osaka, JP 66 294

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