Patent · US Active

Air pulse generating element and sound producing device

US10327060B2 · kind B2 · utility

9Cited by

0References

18Claims

0Family size

Assignee

xMEMS Labs, Inc. · US

Inventors

Chiung C. Lo · San Jose, US
David Hong · Los Altos, US
Jemm Yue Liang · Sunnyvale, US

Key dates

Filing date	Oct 29, 2018
Grant date	Jun 18, 2019
Priority date	—
Expiry date	Oct 29, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2201/029
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An air pulse generating element, disposed in a sound producing device, includes a membrane, disposed within a chamber; and a plurality of valves, disposed by the membrane within the chamber, configured to seal a plurality of openings of the chamber in response to a plurality of valve control signals; wherein the membrane and the plurality of valves are all fabricated at a first layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.