Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-11-07
2006-11-07
Ramakrishnaiah, Melur (Department: 2614)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S435100, C455S420000
Reexamination Certificate
active
07133695
ABSTRACT:
A telecommunications network includes a central service center (112) for maintaining a master system database (122, 124) and propagating to switch databases preactivation information. Local switches (114) include or are operably coupled to switch databases (126, 128) and PIN collection units (130). The central service center (112) is adapted to receive a PIN and preactivation information, and then propagate this information to the local switch databases (128). The local switches (114), associated databases and PIN collection units, are adapted to detect a power on of a cellular telephone, receive and check and PIN, and activate to allow service to the telephone. The local switches (114) are further adapted to transmit the activation information to either the central master database (122, 124) (which will then transmit to other switches) or to propagate the activation information to other switch databases itself.
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patent: 6628934 (2003-09-01), Rosenberg et al.
patent: 6636489 (2003-10-01), Fingerhut
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