Flexure amplified piezo actuator for focus adjustment
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Jan 14, 2025
Grant Date -
Aug 31, 2023
app pub date -
May 3, 2023
filing date -
May 3, 2023
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
First Claim
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International Classification(s)
- 2023 Application Filing Year
- H04N Class
- 12746 Applications Filed
- 4684 Patents Issued To-Date
- 36.75 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04N Class
- 0 % this patent is cited more than
- < 1 Age
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