Engine sound simulator

Details Engine sound simulator Engine sound simulator

1980-10-14

1982-04-20

Peshock, Robert

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

46254, 340 32, A63H 3326

Patent

active

043251994

ABSTRACT:
A remote controlled car driven by an electric motor energized with a battery has an internal combustion engine sound simulator that transmits signals to one or more remote receivers having audio outputs that simulate an internal combustion engine driving the car. The engine sound simulating apparatus has a digital switch sensor responsive to the speed of rotation of the drive wheel of the vehicle for producing an output signal. A signal converting circuit receives the output signal from the digital switch sensor and provides a signal having a frequency that changes in response to ranges of speed of the car. A transmitter means connected to the signal converting circuit transmits the signals to the remote located receivers. The receivers have speakers for producing an audible output simulating the operation of an internal combustion engine.

REFERENCES:
patent: 3233362 (1966-02-01), Chapman
patent: 3425156 (1969-02-01), Field
patent: 3466797 (1969-09-01), Hellsund
patent: 3510631 (1970-05-01), Weinberg et al.
patent: 3588869 (1971-06-01), Clift
patent: 4219962 (1980-09-01), Dankman et al.
patent: 4238778 (1980-12-01), Ohsumi

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