Active vibration control system for aircraft

Details Active vibration control system for aircraft Active vibration control system for aircraft

1994-07-29

1996-10-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

381 94, 381 86, 381 92, H03B 2900, A61F 1106

Patent

active

055685579

ABSTRACT:
An active noise and vibration reduction system for canceling noise in aircraft or other passenger carrying transportation systems which utilizes a series of seat mounted microphones and trim mounted speakers in conjunction with a digital controller with a class-D stage power amplifier and which is synched to the aircraft alternator.

REFERENCES:
patent: 5416844 (1995-05-01), Nakji et al.
patent: 5423658 (1995-06-01), Pla et al.
patent: 5426703 (1995-06-01), Hamabe et al.
L. E. Kinsler, et al., Fundamentals of Acoustics, 1982, pp. 344-372.

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