Apple Inc. Patent for Piezoelectric Sensor with Resonating Microstructures
Summary
The USPTO has granted Apple Inc. a patent for a piezoelectric sensor system utilizing resonating microstructures to detect and amplify biological vibrations. The patent, filed in 2021, aims to improve the identification of specific biological signals for potential use in medical devices.
What changed
The United States Patent and Trademark Office (USPTO) has granted Apple Inc. a patent (US12582332B2) for a novel piezoelectric sensor system. This system incorporates tuned microstructures designed to resonate at specific frequencies, mechanically amplifying signals before processing. The technology is intended to enhance the identification of particular types of biological vibrations detected by the sensor, potentially for use in diagnostic or surgical applications.
This patent grant represents a new intellectual property asset for Apple Inc. in the area of sensor technology. While patents do not impose direct regulatory obligations on other entities, they can influence product development and market competition within the medical device and technology sectors. Companies developing similar sensor technologies should be aware of this granted patent to avoid potential infringement issues.
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Mar 27, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Piezoelectric sensor with resonating microstructures
Grant US12582332B2 Kind: B2 Mar 24, 2026
Assignee
Apple Inc.
Inventors
Yindar Chuo, Zijing Zeng
Abstract
A sensor system may have a force sensor formed from a piezoelectric film. The piezoelectric film may comprise a number of tuned microstructures that are configured to resonate at a particular frequency. In accordance with the tuning of the microstructures, frequency signals corresponding to the microstructure resonance may be mechanically amplified before being processed by associated processing electronics. The processing electronics may be configured to identify a type of biological vibration detected by the force sensor.
CPC Classifications
A61B 5/1102 A61B 5/6891 A61B 7/003 A61B 2562/028 A61B 2562/066 A61B 2562/18 H10N 30/1051 H10N 30/302 G01H 11/08
Filing Date
2021-06-23
Application No.
17355442
Claims
18
Named provisions
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Source
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