H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/32 (2006.01) H04M 1/66 (2006.01) H04Q 7/38 (2006.01) H04Q 7/22 (2006.01)
Patent
CA 2145600
Device for self-invalidation of a portable terminal used in a radiotelephone network comprising a register (16) containing the identification number of the portable terminal, a buffer (20) to store temporarily the short information messages transmitted by the network control station, one of the messages received containing a list of the identification numbers of the terminals used fraudulently, a comparator (14) to compare the identification number of the terminal with each of the identification numbers in the said list, and a circuit (22, 24) for invalidating the transmission of messages by the portable terminal in response to a positive comparison by the comparator.
Dispositif d'auto-invalidation d'un terminal portatif utilisé dans un réseau du type radiotéléphone comprenant un registre (16) contenant le numéro d'identification du terminal portatif, une mémoire tampon (20) pour emmagasiner temporairement les messages courts d'informations transmis par la station de contrôle du réseau, un des messages reçus contenant la liste des numéros d'identification des terminaux utilisés frauduleusement, un comparateur (14) pour comparer le numéro d'identification du terminal à chacun des numéros d'identification de ladite liste et un circuit d'invalidation (22, 24) de la transmission des communications par le terminal portatif en réponse à une comparaison positive du comparateur.
Chanu Frederic
Jouin Christophe
Alcatel Mobile Communication France
Robic
LandOfFree
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