×

Flood light lamp removal alarm

  • US 5,818,338 A
  • Filed: 04/07/1997
  • Issued: 10/06/1998
  • Est. Priority Date: 09/29/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A flood light lamp removal alarm assembly for home security flood light fixtures having at least on one socket accommodating at least one flood light lamp, said socket connected to a power supply for the lamp, the fixture having a low ambient light detector and a motion detector, wherein the assembly detects unwarranted unscrewing of the flood light lamp therefrom, comprising:

  • a housing containing a perceptible alarm;

    a means for detecting removal of the lamp, said means comprising the lamp socket having a physical condition sensor therein, which physical condition sensor is inactivated when said lamp is properly screwed into said socket, said physical condition sensor being activated when the lamp is loosened or removed from the socket;

    said sensor comprising a switch mounted in the bottom of said socket positioned in such a manner that when said lamp is properly screwed into said socket, said switch is depressed in the closed position;

    an electrical circuit means being connected to said switch for triggering said alarm when said switch is released as a result of loosening or removal of said lamp from said socket, said alarm remaining inactive as long as said switch remains depressed by said lamp; and

    ,said socket being provided with resilient electrical contact means for maintaining lamp-illuminating electrical contact during a partial removal of said lamp from said socket, while providing for said triggering of said lamp removal alarm even while said partially removed lamp remains illuminated by electrical contact with said resilient contact means.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×