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Motion detector assembly for use with a decorative coach lamp

  • US 5,626,417 A
  • Filed: 04/16/1996
  • Issued: 05/06/1997
  • Est. Priority Date: 04/16/1996
  • Status: Expired due to Term
First Claim
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1. A motion detector assembly adapted to be rigidly secured to a lamp assembly of a coach lantern, the motion detector assembly comprising:

  • an upper housing portion and a lower housing portion, said lower housing portion formed with an annular window;

    a sensor carrier subassembly configured to fit within said housing;

    a passive infrared (PIR) sensor for detecting moving sources of infrared radiation, said PIR sensor carried by said sensor carrier subassembly so as to be generally aligned with said annular window and said lower housing portion;

    a Fresnel lens member formed from a generally planar material, carried by said sensor carrier subassembly in a generally cylindrical configuration in spaced relation to said annular window and generally aligned with said PIR sensor and said annular window; and

    a lens cover disposed adjacent to annular window and conforming to the shape of the annular window.

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