- Patent Title: Transducer with piezoelectric, conductive and dielectric membrane
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Application No.: US15404989Application Date: 2017-01-12
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Publication No.: US10735865B2Publication Date: 2020-08-04
- Inventor: Philip Jason Stephanou , David William Burns , Ravindra V. Shenoy
- Applicant: SnapTrack, Inc.
- Applicant Address: US CA San Diego
- Assignee: SnapTrack, Inc.
- Current Assignee: SnapTrack, Inc.
- Current Assignee Address: US CA San Diego
- Agency: Weaver Austin Villeneuve & Sampson LLP
- Main IPC: H01L41/107
- IPC: H01L41/107 ; H04R17/00 ; G02B26/00 ; H04R31/00 ; G06F1/16 ; H01L41/04 ; H01L41/31

Abstract:
This disclosure provides systems, methods and apparatus for microspeaker devices. In one aspect, a microspeaker element may include a deformable dielectric membrane that spans a speaker cavity. The deformable dielectric membrane can include a piezoactuator and a dielectric layer. Upon application of a driving signal to the piezoactuator, the dielectric layer can deflect, producing sound. In some implementations, an array of microspeaker elements can be encapsulated between a glass substrate and a cover glass. Sound generated by the microspeaker elements can be emitted through a speaker grill formed in the cover glass.
Public/Granted literature
- US20170125660A1 TRANSDUCER WITH PIEZOELECTRIC, CONDUCTIVE AND DIELECTRIC MEMBRANE Public/Granted day:2017-05-04
Information query
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