Sound attenuation system for personal seat

Details Sound attenuation system for personal seat Sound attenuation system for personal seat

1988-06-07

1990-12-11

Isen, Forester W.

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

381 72, G10K 1116

Patent

active

049776002

ABSTRACT:
A sound cancellation system wherein a pair of sensors and actuators are positioned immediately adjacent an associated ear of an inhabitant of an enclosure so as to provide a cancellation zone immediately adjacent an associated ear without interfering with adjacent zones. A controller receives a synchronization signal so as to cancel a selected noise associated with a synchronization signal. The sensors and actuators are mounted to a seat which is to be occupied by an inhabitant of the enclosure.

REFERENCES:
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patent: 4689821 (1987-08-01), Salikuddin et al.
"Noise+Noise=Silence", Steve Cropley; Autoweek, Apr. 25, 1988, pp. 33,34.
John Free, "Noise Zapper", Popular Science, Jan., 1987, pp. 76,77,96.

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