H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/5
H04M 3/50 (2006.01) H04L 12/44 (2006.01) H04M 11/00 (2006.01) H04Q 3/58 (2006.01)
Patent
CA 2008224
ABSTRACT An equipment for management of terminal identification numbers in a communication system including a center and a plurality of terminals connected to the center, identification numbers of respective terminals registered in advance being attached to data communicating between the center and the respective terminals; each of the terminals comprising: (a) terminal side memory means (51) for registering the terminal identification numbers therein, initial identification numbers initially registered; (b) means for communication with the center (33, 211, 213, 215, 217, 219, 223, 225, 227), for effecting data communication with the center; (c) terminal side registration means (13! 19, 53) for erasing the initial identification numbers registered in the terminal side memory means to register the new terminal identification; numbers and the center into the terminal side memory means; (d) terminal side control means (221, 229) operative so that when an arbitrary one of the terminals is communicatably connected to the center, the control means delivers a predetermined registration request data to the means for communication with the center to allow the communication means to transmit it to the center, thereafter to permit the terminal side registration means to execute the registration of the terminal identification numbers only when a predetermined registration command from the center is received by the means for communication with the center; the center comprising: (e) center side memory means (61a) for registering identification numbers of all terminals therein the initial identification numbers being initially registered with respect to all the terminals; (f) means for communication with the terminals (67, 241, 245, 247), for effecting data communication with the terminals; (g) authorize means (248) for giving, to the terminal, authorization of the registration of the terminal identification numbers at least on the condition that the registration reaquest data from the terminal is received by the means for communication with the terminals; (h) overlap check means (251) for checking whether or not the terminal identification number to be registered and the other previously registered terminal identification numbers in the center side memory means overlap with each other; (i) center side registration means (252) for erasing the initial identification number registered in the center side memory means to register the terminal identification number to be registered when the authorization is given and a checked result indicative of no overlap is obtained from the overlap check means; (j) and center side control means (243) for transmitting the registration command through the means for communication with the terminals when the authorization is given and a checked result indicative of no overlapping is obtained from the overlapping check means, thereby permitting registration of the terminal identification number to be registered into the terminal memory means.
Fetherstonhaugh & Co.
Kabushiki Kaisha Toshiba
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