Thomas C Farr

US Patent:

8571252, Oct 29, 2013

Filed:

Dec 23, 2011

Appl. No.:

13/336882

Inventors:

Donald J. North - Los Angeles CA, US
Thomas Richard Farr - Los Angeles CA, US

Assignee:

GGEC America, Inc. - Santa Ana CA

International Classification:

H04R 1/00

US Classification:

381396, 381420

Abstract:

In one embodiment, a loudspeaker system is provided comprising a motor assembly for driving a diaphragm assembly, where the motor assembly includes a pole piece configured to receive an inductance sleeve. The motor assembly also comprises a permanent magnet, a first shorting ring, and a second shorting ring, with the first and second shorting ring being positioned at least partially within an air gap adjacent the pole piece, and with the first ring positioned adjacent a first side of the permanent magnet and the second shorting ring positioned adjacent a second side of the permanent magnet. The permanent magnet preferably is preferably coated with an insulative material, and may also comprise a plurality of arcuate segments.

US Patent:

20140355797, Dec 4, 2014

Filed:

Nov 27, 2013

Appl. No.:

14/092772

Inventors:

- Irvine CA, US
DENNIS H. BARNES - TUSTIN CA, US
THOMAS RICHARD FARR - SANTA ANA CA, US

Assignee:

AUDIO DESIGN EXPERTS, INC. - Irvine CA

International Classification:

H04R 1/00

US Classification:

381307

Abstract:

A three channel speaker system is provided that includes a three-channel processor to receive a signal from an audio source, where the speaker system includes a center-channel speaker on a first face, a left-channel speaker on a second face, and a right-channel speaker on a third face, where the first face further includes first and second passive radiators positioned on opposite sides of the center-channel speaker, and also includes a fourth face comprising third and fourth passive radiators. Where all three-channel speakers are on a front face, passive radiators may be positioned in between each of the speakers.