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Parking assistance device

  • US 10,055,994 B2
  • Filed: 07/29/2016
  • Issued: 08/21/2018
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. A parking assistance device comprising:

  • a route determination unit that determines a route from an initial position of a vehicle to a target parking position at a time of assisting the vehicle to be parked in a parking area,wherein the route determination unit includes,a first generation unit that generates a first circumference which is tangent to a straight line passing though the initial position and extending along a forward direction of the vehicle, anda second generation unit that generates a second circumference having a tangent line which is a line passing through a rear position of a vehicle positioned at a rear direction of the target parking position in the forward direction of the vehicle and extending along the forward direction of the vehicle, and having a radius as a turning radius equal to a minimum turning radium of the vehicle,wherein a part of the first circumference functions as a part of the route, andwherein a part of a third circumference resulting from moving the second circumference along the forward direction of the vehicle until the second circumference is tangent to the first circumference functions as a route subsequent to a movement taken along the first circumference.

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