ELECTRICALLY CONTROLLED REARVIEW MIRROR EMPLOYING SELF-CONTAINED POWER SUPPLY AND MOTION-ACTUATED POWER SWITCH

  • US 3,612,666 A
  • Filed: 07/13/1970
  • Issued: 10/12/1971
  • Est. Priority Date: 07/13/1970
  • Status: Expired due to Term
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First Claim
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1. A. A self-contained automatically dimming rearview mirror for automotive vehicles, said mirror being provided with antiglare means movable into at least two alternative positions corresponding to different glare conditions in the rearward field of view of the mirror, comprising b. motor means to move said antiglare means from one position to another, c. electric circuit means including photoelectric control means responsive to light from said rearward field of view to energize said motor means to provide a dim rear view when said light exceeds a predetermined value, and vice versa, and d. a self-contained power supply mounted in or near the mirror to energize said motor control and photoelectric means, said power supply being normally in the off condition when the vehicle is motionless, and e. switch means responsive to a change of motion of the vehicle for actuating said power supply means to the on condition.

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