Apparatus and method for influencing oscillations in the passeng

Details Apparatus and method for influencing oscillations in the passeng Apparatus and method for influencing oscillations in the passeng

1996-08-23

1998-05-05

Kuntz, Curtis

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Within cabin or compartment of vehicle

381 86, A61F 1106

Patent

active

057487480

ABSTRACT:
An apparatus for modifying noise oscillations in a passenger compartment (12) of a motor vehicle (14) includes a memory device (38) for storing a plurality of predetermined oscillation patterns (SM), an operating condition determination device (18) for determining an operating condition (BZ) of the motor vehicle (14), a selector device (36) for selecting an oscillation pattern (SM) as a function of the determined operating condition (BZ) of the motor vehicle (14), and an oscillation generator device (39-42-44) for generating oscillations corresponding to the selected oscillation pattern (SM) into the passenger compartment (12) of the motor vehicle (14).

REFERENCES:
patent: 3071752 (1963-01-01), Strasberg
patent: 4506380 (1985-03-01), Matsui
patent: 4862506 (1989-08-01), Landgarten et al.
patent: 5245664 (1993-09-01), Kinoshite et al.
patent: 5267310 (1993-11-01), Yoshiba

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