Travelling monitoring system for motor vehicles

  • US 5,121,200 A
  • Filed: 07/06/1990
  • Issued: 06/09/1992
  • Est. Priority Date: 07/06/1990
  • Status: Expired due to Fees
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First Claim
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1. A traveling monitoring system for motor vehicles , comprising:

  • a monitoring means for monitoring travelling information in the front, the rear, the right and the left side of a vehicle by a camera which is movable upward and downward and is rotatable;

    a display means for displaying said travelling information on a monitor inside said vehicle;

    a protruding and hiding means for automatically protruding the camera outside the vehicle body upon starting of the vehicle and for hiding the camera inside the vehicle body when the vehicle stops operating;

    a starting detecting part for detecting the starting of the vehicle;

    a delay timer part which operates after a delay following the rising edge of the output of said starting detecting part and upon the falling edge of the output of said start detecting part and which turns off after a predetermined time;

    a polarity converting part for selectively providing positive or negative electric power to a driving a motor in accordance with the outputs of the delay timer part and the starting detecting part; and

    a locking release part for releasing the locking of a rid member, the locking release part being simultaneously operated at the time of operating of the starting detecting part.

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