×

Vehicle perimeter monitor

  • US 6,825,757 B2
  • Filed: 04/30/2001
  • Issued: 11/30/2004
  • Est. Priority Date: 10/04/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A vehicle perimeter monitor carried by a vehicle having a door mirror, the vehicle perimeter monitor comprising:

  • a support member supporting the door mirror for movement relative to the vehicle;

    a transmitting antenna fixed on the support member for radiating a transmitted wave generated by a transmitting circuit to the perimeter of the vehicle through the door mirror;

    a receiving antenna fixed on the support member for receiving the transmitted wave reflected from obstacles existing near the perimeter of the vehicle to send a received information signal to a receiving circuit;

    an actuator for moving the support member so as to change a viewing direction of the door mirror while maintaining a fixed positional relationship between the door mirror, the transmitting antenna, and the receiving antenna;

    a processing unit for calculating the distance between the vehicle and the obstacles based on the received information signal and determining a danger degree of collision; and

    an indicator for notifying the result of calculation by the processing unit to a driver of the vehicle.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×