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Vehicle position indicator with selectable position alarm means

  • US 4,229,724 A
  • Filed: 08/04/1977
  • Issued: 10/21/1980
  • Est. Priority Date: 08/04/1977
  • Status: Expired due to Term
First Claim
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1. A vehicle position indicator comprising:

  • a source of information representative of the distance travelled by a vehicle;

    means for storing information representative of a predetermined known location and coupled to said source for providing information representative of the vehicle position with respect to the known location as the vehicle moves toward or away from the known location;

    display means coupled to said storage means for displaying to the vehicle operator the current vehicle position;

    additional storage means for storing information representative of at least one predetermined location to which the vehicle is travelling;

    vehicle operator actuated data entry means comprising a digital keyboard coupled to said storage means and to said additional storage means for permitting the vehicle operator to enter said predetermined known location information into said storage means and said at least one predetermined location information into said additional storage means;

    comparator means coupled to said storage means and to said additional storage means for providing an output signal when the vehicle'"'"'s position approaches said at least one predetermined location; and

    means coupled to said comparator means for alerting the vehicle operator in response to said output signal from said comparator means.

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