Method and apparatus for producing sounds that depend on the...

Details Method and apparatus for producing sounds that depend on the... Method and apparatus for producing sounds that depend on the...

2006-08-08

2006-08-08

Woo, Stella (Department: 2643)

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Within cabin or compartment of vehicle

C381S086000, C381S061000

Reexamination Certificate

active

07088829

ABSTRACT:
An apparatus for producing sounds corresponding to the operation of an internal combustion engine in the interior space of a motor vehicle is characterized by a pressure sensor (20) that detects fluctuations in pressure in a fresh air stream into the engine, an amplification device (32, 33) for amplifying output signals of the pressure sensor, and at least one speaker (34) attached to the amplifier and arranged in the interior space of the vehicle for reproducing the amplified signals.

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International Search Report PCT/EP99/04953 Jul. 13, 1999.

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