Flexure amplified piezo actuator for focus adjustment

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12200337
APP PUB NO 20230276113A1
SERIAL NO

18311577

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Abstract

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A camera includes a camera focus adjustment device, a lens, and an image sensor coupled to the camera focus adjustment device. The camera focus adjustment device includes a flexure structure. The flexure structure includes an outer framework of structural members continuously interconnected by flexure notch hinges. The flexure structure also includes two inner structural members oriented in parallel and extending from the outer framework of structural members. A gap is between the two inner structural members. The camera focus adjustment device also includes a piezoelectric material within the gap and a pair of wedges within the gap. The pair of wedges is affixed to the piezoelectric material and to one inner structural member of the two inner structural members. Based on temperature-based piezoelectric activity associated with the piezoelectric material, the camera focus adjustment device is operable to move the image sensor relative to the lens.

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Patent Owner(s)

Patent OwnerAddress
WAYMO LLC1600 AMPITHEATRE PARKWAY MOUNTAIN VIEW CA 94043

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sharma, Shashank San Francisco, US 134 1262

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