Microelectromechanical speaker

Details Microelectromechanical speaker Microelectromechanical speaker

2005-03-03

2009-08-04

Le, Huyen D (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

C381S174000

Reexamination Certificate

active

07570775

ABSTRACT:
Disclosed is a microelectromechanical (MEM) speaker device. In one embodiment, the MEM speaker device includes: (i) a base layer; (ii) a device controller; (iii) a coil layer connected to magnetic material; (iv) an oscillator connected to a spring and the magnetic material; (v) a spring between the oscillator and a support layer; (vi) a protective layer over the oscillator; and (vii) a support post connected to the oscillator, the base layer, the protective layer, and the coil layer. Embodiments of the invention can provide a MEM speaker device where control of the oscillator by electromagnetic force produces sound energy.

REFERENCES:
patent: 3247925 (1966-04-01), Warnaka
patent: 5487114 (1996-01-01), Dinh
patent: 6611605 (2003-08-01), Kim
patent: 7054460 (2006-05-01), Rombach et al.
patent: 7110564 (2006-09-01), Son

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