Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1987-09-11
1989-02-28
Lev, Robert
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
235385, 34082531, 340539, 34082535, 379 63, 379 44, H01Q 704
Patent
active
048093165
ABSTRACT:
The identification of the status of an anti-theft system is made by using a motor vehicle telephone system and a system for preventing vehicles from thefts. First, a time is set in order to turn the telephone system to the power-on state. A time period for which the power-on state continues is also set. The telephone system is turned on at the pre-set power-on time, and the status of one or more operating modes of the anti-theft system is checked only when an incoming call arrives during the power-on state and when a predetermined ID code has been entered. With this arrangement, identification can be available from a place away from a vehicle to determine whether the vehicle is at the normal state or not. In addition, the telephone system may be set to the power-on state only at the predetermined time only for a pre-determined period of time. This additional feature reduces power consumption of batteries.
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Alpine Electronics
Lev Robert
Shoup Guy W.
Winters Paul J.
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