US Patent 12066499 Piezo sounder self-test using feedback pin
Patent 12066499 was granted and assigned to Carrier Corporation on August, 2024 by the United States Patent and Trademark Office.
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US Patent 12066499 Piezo sounder self-test using feedback pin
Article
Patent abstract
A system and method for performing a self-testing a piezo sounder using a feedback pin while being driven by an ultra-sonic frequency. A method includes operating a sounder device in a test mode, the sounder device is operated in an inaudible frequency range during the test mode and detecting a feedback response voltage. The method includes comparing the feedback response voltage to a reference voltage and providing an indication of a failure mode based at least in part on the feedback response voltage.
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Patent Number
Patent Inventor Names
Frank Trotto0
Date of Patent
August 20, 2024
0Patent Application Number
179537260
Date Filed
September 27, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
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