Telecommunications – Radiotelephone system – Security or fraud prevention
Patent
1997-07-31
2000-06-13
Nguyen, Lee
Telecommunications
Radiotelephone system
Security or fraud prevention
455551, 455411, 455412, 455558, 455552, 455563, 455403, H04Q 732
Patent
active
060759836
ABSTRACT:
There is disclosed a portable communication device comprising a storage section for managing a plurality of personal numbers and information regarding a plurality of individuals on a personal basis, whereby a plurality of users can use the device in a mode set according to each of the users. The portable communication device (portable telephone set) comprises an antenna section 1, a radio section 2, a voice processing section 3, a microphone section 4, a speaker section 5, a central control unit 6, an operation section 7, a display section 8 and a data processing section 9. The central control unit 6 controls the radio section 2, the voice processing section 3, the operation section 7, the display section 8 and the data processing section 9. The central control unit 6 includes a user retrieving section 11. By inputting a password from the operation section 7, a switch is made to a personal mode. Accordingly, a personal number (PSID) for each user can be transmitted/received and data can be managed on a personal basis.
REFERENCES:
patent: 4998291 (1991-03-01), Mauri et al.
patent: 5335278 (1994-08-01), Matchett et al.
patent: 5414753 (1995-05-01), Ehara
patent: 5428666 (1995-06-01), Fefy et al.
patent: 5437053 (1995-07-01), Sawa et al.
Ferguson Keith
NEC Corporation
Nguyen Lee
LandOfFree
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