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Teaching indicator for efficient vehicle gearshift operation

  • US 4,439,158 A
  • Filed: 01/07/1982
  • Issued: 03/27/1984
  • Est. Priority Date: 01/07/1982
  • Status: Expired due to Fees
First Claim
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1. Driving aid apparatus coupled with a motor vehicle means including manual gearshift transmission means, wherein the apparatus combines at least two dynamic signals provided by means responsive to the condition of engine speed, gearing selection, and effective load coupling, to provide driver indication for obtaining opportune gearshift changes, furthermore comprising:

  • signal combining means coupled with said dynamic signals and effective to combine the instant values thereof to produce at least a gearshift indicant signal output therefrom;

    predetermining means coupled with said combining means and effective therewith to variously modify the effective combination of the dynamic signals in proportion to any predetermined signal values; and

    ,indicator means coupled with said indicant signal and effective to provide the driver with indication for at least one of impending upshift, impending downshift, and a figurative signal of which gearing range should be engaged.

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