Method and apparatus for monitoring sound within a vehicle by telephone

An apparatus for remotely monitoring the sound in a vehicle equipped with a mobile telephone system, comprising:

• a controller in the anti-theft system for monitoring the condition of the vehicle, the controller being connected to the telephone system and including a control portion for turning on the telephone system to a power-on state, the telephone system initially being in the power-off state when the vehicle is unattended to be protected by the anti-theft system;
• the control portion turning on the telephone system when an abnormal condition of the vehicle is detected by the anti-theft system to allow the telephone system to receive an incoming call;
• and
• a receiving microphone in the telephone system within the vehicle which is connected to a transmitter of the telephone system upon receipt of said incoming call, to enable monitoring of sound within the vehicle.

A method for remotely monitoring the sound in a vehicle equipped with a mobile telephone system and an anti-theft system, comprising the steps of:

• monitoring the condition of the vehicle with a controller;
• connecting the controller to the telephone system and turning on the telephone system with the controller to a power-on state;
• initially placing the telephone system in the power-off state when the vehicle is unattended to be protected by the anti-theft system;
• turning on the telephone system with the controller when an abnormal condition of the vehicle is detected by the anti-theft system, to allow the telephone system to receive an incoming call from the owner;
• and
• connecting a microphone of the telephone system within the vehicle to a transmitter of the telephone system upon receipt of said incoming call, to enable monitoring of sound within the vehicle.

A method for remotely monitoring the sound in a vehicle equipped with a mobile telephone system and an anti-theft system with a controller unit for monitoring the condition of the vehicle, and with a remote control unit carried by an owner of the vehicle to which the occurrence of an abnormality indicative of theft is signalled by the anti-theft system, comprising:

• connecting the controller unit of the anti-theft system to the telephone system and providing the controller unit with means for turning on the telephone system to a power-on state;
• initially placing the telephone system in the power-off state when an owner of the vehicle leaves the vehicle unattended to be protected by the anti-theft system;
• turning on the telephone system with the controller unit when an abnormal condition of the vehicle is detected by the anti-theft system in order to allow the telephone system to receive an incoming call from the owner;
• and
• the telephone system having means for detecting a predetermined code which is transmitted through the incoming call to the telephone system, and means for connecting a receiving microphone of the telephone system within the vehicle to a transmitter of the telephone system upon detection of the predetermined code in order to enable monitoring of sound within the vehicle.

An apparatus for remotely monitoring the sound in a vehicle equipped with a mobile telephone system and an anti-theft system, comprising:

• a controller in the anti-theft system for monitoring the condition of the vehicle, wherein the controller is connected to the telephone system and includes means for turning on the telephone system to a power-on state, the telephone system initially being in the power-off state when the vehicle is unattended to be protected by the anti-theft system;
• a transceiver in the anti-theft system receiving from a remote unit signals for arming or disarming the anti-theft system, and transmitting to said remote unit an alarm signal for indicating the occurrence of an abnormal condition of the vehicle;
• the means for turning on the telephone system turning on the telephone system when the abnormal condition of the vehicle is detected by the anti-theft system, to allow the telephone system to receive an incoming call;
• and
• the telephone system including means for connecting a microphone of the telephone system within the vehicle to a transmitter of the telephone system upon receipt of said incoming call, to enable monitoring of sound within the vehicle.