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Communication system for vehicle

  • US 4,760,275 A
  • Filed: 05/27/1987
  • Issued: 07/26/1988
  • Est. Priority Date: 04/09/1986
  • Status: Expired due to Term
First Claim
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1. A vehicle communication system comprising:

  • (a) a first sensor for detecting a first vehicle operational parameter and generating a first sensor signal representative thereof;

    (b) a first item of vehicle equipment;

    (c) first control means, connected to said first vehicle equipment and to said first sensor signal from said first sensor for controlling said first vehicle equipment and for converting said first sensor signal into a first serial digital signal indicative thereof;

    (d) first serial interface means, having a connection terminal, an input terminal connected to said first control means to receive said first serial digital signal, and an output terminal connected to said first control means to supply a first signal thereto, for transmitting said first serial digital signal from said input terminal to said connection terminal;

    (e) a second sensor for detecting a second vehicle operational parameter and generating a second sensor signal representative thereof;

    (f) a second item of vehicle equipment;

    (g) second control means, connected to said second vehicle equipment and to said second sensor signal from said second sensor, for controlling said second vehicle equipment and for converting said second sensor signal into a second serial digital signal indicative thereof;

    (h) second serial interface means, having a connection terminal, an input terminal connected to said second control means and receiving said second serial digital signal, and an output terminal connected to said second control means to supply a second signal thereto, for transmitting said second serial digital signal from said input terminal to said connection terminal; and

    (i) means connecting said connection terminal of said first serial interface means and said connection terminal of said second serial interface means for transmitting said first serial digital signal and said second serial digital signal between said connection terminals of said first serial interface means and said second serial interface means respectively;

    wherein said first serial interface means receives said second serial digital signal and transmits said second serial digital signal from its connection terminal to its output terminal and outputs said second serial digital signal as said first signal to said first control means via said output terminal,and wherein said second serial interface means receives said first signal digital signal and transmits said first serial digital signal from its connection terminal to its output terminal and outputs said first serial digital signal as said second signal to said second control means via ita output terminal; and

    wherein said first control means includes means for deriving said detected second vehicle operational parameter from said second signal and second means for controlling said first vehicle equipment in accordance with both of said detected second vehicle operational parameter and said first sensor signal, and wherein said second control means includes means for deriving said detected first vehicle operational parameter from said first signal and means for controlling said second vehicle equipment in accordance with said detected first vehicle operational parameter.

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