Telecommunication device comprising a base station and at least

Details Telecommunication device comprising a base station and at least Telecommunication device comprising a base station and at least

1997-11-14

1999-12-21

Chin, Wellington

Telecommunications

Radiotelephone system

Security or fraud prevention

455410, 455 88, 455462, H04Q 720

Patent

active

060060867

ABSTRACT:
A communication system and method of connecting a mobile unit to a base station are disclosed where a connection code is stored in the base unit which is the serial number thereof. The connection code is either entered by the user of the mobile unit or is stored therein. This connection code is transmitted from the mobile unit to the base station before a communication between them is established. Such a communication is established if the connection code transmitted from the mobile unit equals to the connection code stored in the base unit.

REFERENCES:
patent: 4467140 (1984-08-01), Fathauer et al.
patent: 5097500 (1992-03-01), Itoh
patent: 5448764 (1995-09-01), Sondermann et al.
patent: 5495520 (1996-02-01), Kojima
patent: 5790423 (1998-08-01), Lau et al.

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