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Noise level controlled voice warning system for an automotive vehicle

  • US 4,342,023 A
  • Filed: 08/28/1980
  • Issued: 07/27/1982
  • Est. Priority Date: 08/31/1979
  • Status: Expired due to Term
First Claim
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1. A voice warning system for an automotive vehicle, which comprises:

  • (a) a plurality of information switches;

    (b) a multiplexer for selectively outputting one of various signals indicating vehicle operating conditions when one of said switches is depressed;

    (c) a voice output selector for outputting a voice output designation signal Ds in accordance with the signal from said multiplexer;

    (d) a voice memory for storing a number of voice outputs and for outputting a series of voice signals Vs in response to the voice output designation signal Ds from said voice output selector;

    (e) an electronic volume control for controlling the level of voice signals Vs outputted from said voice memory; and

    (f) a noise level sensor for detecting the noise level within the passenger compartment and for outputting a control signal Cn to said electronic volume control,whereby the volume of warning information is automatically controlled according to the noise level within the passenger compartment.

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