Acoustically Active Surface
Exclusively Licensed
Invention type: Technology
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Case number: #23340
An active acoustic system includes a thin-film sheet having an array of piezoelectric microstructures embossed in the film. Each piezoelectric microstructure may act as a speaker and/or a microphone. A control circuit is configured to individually address the piezoelectric microstructures to provide a separate voltage signal to, or receive a separate voltage signal from, each piezoelectric microstructure.
Researchers
Jeffrey Lang
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Jinchi Han
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Vladimir Bulovic
Departments: Dept of Electrical Engineering & Computer Science, Office of the Vice President for Research
Technology Areas: Energy & Distribution: Electrochemical Devices / Sensing & Imaging: Acoustics
Impact Areas: Connected World
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active piezoelectric sheet with piezoelectric microstructures
United Arab Emirates | Pending -
active piezoelectric sheet with piezoelectric microstructures
United States of America | Granted | 11,843,915 -
active piezoelectric sheet with piezoelectric microstructures
United States of America | Published application -
active piezoelectric sheet with piezoelectric microstructures
Singapore | Pending -
active piezoelectric sheet with piezoelectric microstructures
Japan | Published application -
active piezoelectric sheet with piezoelectric microstructures
European Patent Convention | Published application -
active piezoelectric sheet with piezoelectric microstructures
China | Published application -
active piezoelectric sheet with piezoelectric microstructures
Australia | Pending -
active piezoelectric sheet with piezoelectric microstructures
Canada | Published application -
active piezoelectric sheet with piezoelectric microstructures
Qatar | Pending -
active piezoelectric sheet with piezoelectric microstructures
Saudi Arabia | Pending -
active piezoelectric sheet with piezoelectric microstructures
Malaysia | Pending
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