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Downshifting warning system

  • US 6,525,652 B2
  • Filed: 03/02/2001
  • Issued: 02/25/2003
  • Est. Priority Date: 03/02/2001
  • Status: Expired due to Fees
First Claim
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1. A vehicle downshift warning system comprising:

  • a) an indicator on the vehicle and energizable to yield a warning signal;

    b) a first means for detecting the vehicle'"'"'s acceleration and deceleration and developing a first control signal having a first variable parameter;

    c) a second means for detecting the vehicle engine crankshaft'"'"'s increased and decreased rate of rotation and developing a second control signal having a second variable parameter; and

    d) means responsive to said first and second variable parameters for energizing said indicator.

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