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Apparatus for prevention of key locked in car

  • US 5,451,928 A
  • Filed: 08/20/1993
  • Issued: 09/19/1995
  • Est. Priority Date: 08/20/1993
  • Status: Expired due to Fees
First Claim
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1. An apparatus for generating an alarm corresponding to a person egressing a compartment through a doorway while leaving an article behind, comprising:

  • a sensing means mounted adjacent the doorway;

    a sensed element carried by the person through the doorway;

    a shielding element adapted to coact with the sensed element for preventing the sensed element from being sensed by said sensing means, said shielding element having means applied thereon for connecting said article to said shielding element; and

    wherein said article comprises an ignition key for a car, and said compartment comprises an automobile.

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