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Vehicle route planning system

  • US 5,172,321 A
  • Filed: 12/10/1990
  • Issued: 12/15/1992
  • Est. Priority Date: 12/10/1990
  • Status: Expired due to Term
First Claim
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1. Vehicle route planning system, comprising:

  • route planning means located in a vehicle for receiving trip data, including at least one destination, and calculating at least one desired route for the vehicle to the destination via fixed road paths, andmeans coupled to said route planning means for providing said trip data to said route planning means;

    wherein the improvement comprises said trip data providing means including data entry means located external to said vehicle for actuation by a person outside said vehicle, said data entry means, when actuated, receiving said trip data from said person and subsequently supplying said trip data to said route planning means, whereby said person can determine said trip data external to said vehicle and subsequently load said trip data into the route planning means.

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