×

Window mounted automobile security alarm

  • US 5,463,371 A
  • Filed: 05/13/1994
  • Issued: 10/31/1995
  • Est. Priority Date: 05/13/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A portable automobile alarm apparatus removably hangable on the top edge of a side window of an automobile and comprising;

  • a pair of first and second elongated coextensive housings, said first housing including an actuation compartment and said second housing including an alarm compartment formed in one side with a sound grille;

    a pair of spaced apart resilient bumpers mounted on a wall of said first housing facing toward said second housing;

    a tamper sensor in said first housing responsive to tampering with said actuation compartment to generate a tamper signal;

    a dry cell battery in said first housing;

    an electrical circuit in said first housing connected with said battery and said tamper sensor and responsive to said tamper signal to generate an alarm signal;

    a power supply circuit in said first housing, coupled to said electrical circuit for coupling to a 12 volt battery source;

    an alarm device in said second housing and including an acoustic driver operative in response to said alarm signal to generate an acoustic alarm to propagate through said grille;

    a plurality of insulated electrical leads leading from said electrical circuit out of said first housing and into said second housing to connect with said alarm device for communicating said alarm signal; and

    a pair of flat U-shaped hanger springs for hanging over said top edge and carrying on their respective opposite ends said first and second housings, said springs sandwiching therebetween said plurality of electrical leads and configured to enable said housings to be spread apart for receipt over said top edge to mount said alarm apparatus from said window and said power supply circuit either connected to said 12 volt battery source or to said dry cell battery for operating by either said dry cell battery or said 12 volt battery source.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×