United Technologies Automotive Inc.

Ut Automotive Dearborn, Inc.

Richard Grzybowski

Philip J Koopman, Jr

Roger D Carroll

Paul Marshall

An anti-theft system includes a strategy for providing secure communications between a system controller and a remote signaling device. A communications initiator allows the transfer of information or signals between the system controlling and the remote signaling device only under pre-defined conditions. The system controller preferably includes a transmitter portion for transmitting signals or information to the remote device and a receiver portion for receiving signals from the remote device. Similarly, the remote device preferably includes a transceiver so that two-way communication is accomplished between the controller and the remote signalling device.

System and method of updating communications in a security system

A vehicle security system combines anti-driveaway protection with vehicle entry signalling. Either a remote signalling device is used to generate a remote signal or an input device, mounted on the vehicle, is used to generate an access signal. An entry control unit receives and interprets the remote signal or the access signal and unlocks the vehicle doors when appropriate. At the same time, the entry control unit communicates with an engine controller that an appropriate signal has been received. In response, the engine controller enables the vehicle engine to be started so that the vehicle can be driven in a conventional manner.

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Plantsville, CT, United States of America

Richard Grzybowski