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Vehicle data acquistion and dashboard display system

  • US 4,630,043 A
  • Filed: 02/01/1984
  • Issued: 12/16/1986
  • Est. Priority Date: 02/18/1983
  • Status: Expired due to Fees
First Claim
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1. A system for optical display of condition and performance information in a motor vehicle comprisinga plurality of sets of electro-optical display elements;

  • (29);

    a respective control module (26) connected to each set of display elements;

    (29)a single central control logic (14); and

    a single central data line (13) from said central control logic (14) to said respective control modules (26),said central logic (14) being connected to sensors (30, 31,

         32) for the condition and performance information and processing and transmitting the measured values of said information as clocked trains of serial digital signals a over said data line (13) through said control modules (26) to said display elements (29),wherein said central logic (14) places on the data line (13) clocked trains of binary-coded numbers, represented by pulse intervals of varying lengths, which correspond to addresses of specific display control modules (26) and to the values measured by the sensors,each control module (26) includes means for counting pulses and a decoding means,said counting means including means responsive to an address portion of a pulse train, coded for its respective control module, for enabling said decoding means in said module, andsaid decoding means translating a value portion of said binary-coded number into 0- and 1-signals for controlling individual display elements (29).

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