Automatic variable radio volume control system

Details Automatic variable radio volume control system Automatic variable radio volume control system

1993-11-22

1996-01-09

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

4552321, 455219, H04B 106

Patent

active

054836921

ABSTRACT:
A multiplex bus that is corrected to an AM/FM/CD radio. The multiplex bus couples communicating microprocessors in modules, including a body computer, an engine controller, a transmission controller, and other functional components of an automobile. The radio includes components for audio amplified clipping detection and remote control of the volume. The computer controls the volume and clipping features via the multiplex bus. These features, and the programming of the computer with respect to the features are controllable by diagnostic tools external to the system, which may by hooked up to the bus in an assembly plant or an automobile service center. So programmed, the body computer is be able to read the vehicle speed, rpm, transmission gear, and acceleration and decide, in accordance with a predetermined algorithm or programmed instructions, whether to increase or decrease the radio volume. The decision depends on the vehicle characteristics and/or the preference of the prime listener.

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patent: 5107539 (1992-04-01), Kato et al.
patent: 5204971 (1993-04-01), Takahashi et al.

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