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Display of electronic self-test results using gauge dial pointers

  • US 5,822,335 A
  • Filed: 08/26/1992
  • Issued: 10/13/1998
  • Est. Priority Date: 08/26/1992
  • Status: Expired due to Term
First Claim
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1. An electronic instrument cluster of an automotive vehicle comprising a meter for displaying to a vehicle operator the value of a parameter associated with operation of the vehicle, said meter comprising an electromechanical meter movement that operates a pointer that is read against a scale of values for the parameter, said cluster comprising electronic circuit means, said electronic circuit means comprising an input at which digital data representing the value of the parameter is received and an output that delivers to the meter movement an electrical signal corresponding to the digital data received at said input, and said electronic circuit means comprising self- test means for administering to said electronic circuit means a particular self-test and presenting to an observer a result of such particular self-test by means of said meter, characterized in that said self-test means comprises means for presenting such result by causing said meter movement to sweep said pointer in a repetitive pattern corresponding to such particular self-test.

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