×

Antitheft device for an automobile

  • US 5,041,810 A
  • Filed: 01/29/1990
  • Issued: 08/20/1991
  • Est. Priority Date: 02/03/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. An antitheft device for an automobile, comprising;

  • a plurality of opened-door detection switches for detecting the opening of door of the automobile;

    an engine start up circuit connected to inhibit the starting of the engine of the automobile in a cut-off state of the start up circuit;

    a first-control means comprising a memory for storing the operation (ON state) of any of said detecting switches and holding said engine start up circuit in said cut-off state until a resetting signal has been inputted thereto;

    a password inputting means for generating an identifying signal in response to the input of a password thereto;

    a second-control means connected to be responsive to the generation of said identifying signal for generating a resetting signal and for applying the resetting signal to the first control means for thereby removing said engine start up circuit from said cut-off state; and

    a reset signal generating means connected to be responsive to the generation of said resetting signal for controlling said second control means to stop the generation of said resetting signal.

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