Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Acoustic – nonairborne vibration sensing or counterwave emission
Patent
1993-07-06
1997-07-22
Isen, Forester W.
Electrical audio signal processing systems and devices
Acoustical noise or sound cancellation
Acoustic, nonairborne vibration sensing or counterwave emission
G10K 1116
Patent
active
056510721
ABSTRACT:
A vibration damping system for a vehicle includes a vibration sensor which detects vibration of a particular vibrating element, an actuator which applies vibration to the particular vibrating element and a controller which receives a vibration signal output from the vibration sensor and controls the actuator to apply to the particular vibrating element such vibration that damps the vibration detected by the vibration sensor. The controller is provided with a sensitivity changing circuit which changes the sensitivity of the vibration sensor according to a predetermined condition of the vehicle.
REFERENCES:
patent: 5082421 (1992-01-01), Acton et al.
patent: 5414775 (1995-05-01), Scribner et al.
Harada Shingo
Ikeda Naoki
Nakao Norihiko
Santo Chiaki
Seni Hirofumi
Ferguson Jr. Gerald J.
Isen Forester W.
Mazda Motor Corporation
Studebaker Donald R.
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