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Programmable multifunction speedometer

  • US 5,636,145 A
  • Filed: 01/30/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 01/30/1995
  • Status: Expired due to Fees
First Claim
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1. A programmable multifunction speedometer, wherein a sensor responding to drive train motion provides input pulses related to speed of vehicle travel, the pulses being input to a programmable microprocessor that has been programmed at least to drive an instantaneous and continuously correct display of speed, the microprocessor having a first input device for receiving programming from an external source, and a second input device for modifying programming during speedometer operation, the speedometer having multiple programming modes including a first mode for programming the microprocessor from the external source, a second mode for programming upon speedometer installation using mode switches, a third mode for programming during vehicle operation, a fourth mode of programming using multiposition selector switches, and a fifth mode for resetting a trip odometer of the speedometer during vehicle operation.

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