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VEHICLE HOLDUP AND THEFT ALARM

  • US 3,639,897 A
  • Filed: 06/11/1969
  • Issued: 02/01/1972
  • Est. Priority Date: 06/11/1969
  • Status: Expired due to Term
First Claim
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1. An alarm system for providing an indication of the unauthorized use of a vehicle, said system comprising means effective to sense the unauthorized use of the vehicle and to establish an alarm signal in response thereto, means operatively connected to said sensing means and effective when said alarm signal is established to produce an actuating signal delayed in time by a predetermined amount from said alarm signal, alarm means, means operatively connected to said actuating signal producing means and said alarm means, actuated by said actuating signal and effective when so actuated to energize said alarm means, and manually actuatable alarm-disabling means operatively connected to said alarm-energizing means, said alarm disabling means being effective when manually actuated to produce an alarmdisabling signal only after a predetermined time has elapsed, said disabling signal being effective to deactuate said alarmenergizing means, thereby to deenergize said alarm means.

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