Patent · US Active

Digital loudspeaker with enhanced performance

US9282385B2 · kind B2 · utility

0Cited by

5References

19Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Fabrice Casset · Tencin, FR
Remy Dejaeger · Éveux, FR

Key dates

Filing date	May 6, 2013
Grant date	Mar 8, 2016
Priority date	—
Expiry date	May 6, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04R17/00
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Digital loudspeaker comprising a support, a plurality of first membranes suspended on the support, said first membranes being bistable, and said loudspeaker comprising actuator for each of the first membranes that can change each of the first membranes from a first stable state to a second stable state and vice versa, and a controller for controlling said first actuator.

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