Patent · US Active

Surface speaker

US11259121B2 · kind B2 · utility

31Cited by

93References

11Claims

0Family size

Assignee

CIRRUS LOGIC, INC. · US

Inventors

Eric Lindemann · Boulder, US
Itisha Tyagi · Austin, US
John L. Melanson · Austin, US

Key dates

Filing date	Jul 20, 2018
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Jul 20, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/15
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Embodiments described herein provide an audio device and a method of operating the audio device. The audio device comprises at least one surface, a first surface transducer positioned to excite first modes of oscillation in a first surface of the at least one surface, and a second surface transducer positioned to excite second modes of oscillation in a second surface of the at least one surface, wherein the first modes of oscillation are of a higher frequency than the second modes of oscillation.

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