Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent
1992-08-12
1994-05-24
Isen, Forester W.
Electrical audio signal processing systems and devices
Acoustical noise or sound cancellation
Adjacent ear
G10K 1116
Patent
active
053156617
ABSTRACT:
An active high transmission loss panel for quieting either one or two way sound radiation which incorporates a number of cells (11) which contain sensors and actuators (12) adapted to be controlled independently or interactively so as to attenuate noise attempting to pass through said panel.
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patent: 5091953 (1992-02-01), Tretter
Waraka, "Active Attenuation of Noise-The State of the Art", Noise Engineering Control, May-Jun. 1982, pp. 100-110.
"Cancelling Transformer Noise", Electrical Review, vol. 209, No. 4, Jul. 24/31, 1981.
"Piezo Actuators for Distributed Vibration Excitation of Thin Plates" Dimitnadis et al, Journal of vibration and Acoustics vol. 113 pp. 100-107, Jan. 1991.
"Experiments on Active Control Structurally Radiated Sound Using Multiple Piezoceramic Actuators in Active Structural Acoustic Approaches" Journal of Acoustical Society of America 88 S1 S147 Chris Fuller, Fall 1990.
Eatwell Graham
Gossman William
Hiney James W.
Isen Forester W.
Noise Cancellation Technologies, Inc.
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