Method and system for preventing unjust use of personal communic

Details Method and system for preventing unjust use of personal communic Method and system for preventing unjust use of personal communic

1996-12-27

1999-11-23

Cumming, William

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455512, 380 21, H04Q 724

Patent

active

059916230

ABSTRACT:
In a communication system which is composed of portable personal communication terminals, a base station for transmitting and receiving a radio signal to and from each of the personal communication terminals and an exchange connected to the base station, each of the personal communication terminals is provided with a storage means for storing communication control information for controlling the communication state of the personal communication terminal, and the exchange is provided with a storage means for updating the communication control information of each of the personal communication terminals and storing the updated information. Each of the personal communication terminals transmits the communication control information together with identification data to the exchange through the base station at the time of communication, the exchange compares the communication control information received with the communication control information stored in correspondence with the personal communication terminal, and when they agree, the communication is permitted, while the communication is inhibited when they do not agree, thereby preventing the unjust use of the personal terminal.

REFERENCES:
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patent: 5349632 (1994-09-01), Nagashima
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