Method of monitoring sound within a vehicle by telephone

Details Method of monitoring sound within a vehicle by telephone Method of monitoring sound within a vehicle by telephone

1987-11-13

1992-03-17

Lev, Robert

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 63, 235385, 340539, 34082531, 34082535, H01Q 704

Patent

active

050974980

ABSTRACT:
A method of monitoring the sound within a car is disclosed. The occurrence of abnormality indicative of possible auto theft is reported to the driver who is remote from the car by means of the anti-theft system which transmits the occurrence of abnormality to a remote control unit and which turns on the power of the mobile telephone system, so as to make it ready for receiving external calls. The anti-theft system transmits to the driver the sound within the car collected by the microphone of the mobile telephone system, thereby making it possible for the driver at a remote place to ascertain the state of the car.

REFERENCES:
patent: 3427402 (1969-02-01), Stokes
patent: 3787624 (1974-01-01), Spitalny et al.
patent: 4493947 (1985-01-01), Loveless
patent: 4511887 (1985-04-01), Fiore
patent: 4558181 (1985-12-01), Blanchard et al.
patent: 4577182 (1986-03-01), Millsap et al.
Lineback, "Cellular Link is Step to Portable Office", Electronics, Jun. 28, 1984, pp. 48-50.

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