Cryptography – Communication system using cryptography – Wireless communication
Reexamination Certificate
2002-03-18
2009-12-29
Vu, Kimyen (Department: 2435)
Cryptography
Communication system using cryptography
Wireless communication
C726S014000, C713S166000
Reexamination Certificate
active
07639816
ABSTRACT:
The mobile communication terminal device has a security communication function, and includes a detection unit for detecting the security level of the destination of connection, and an announcing unit for announcing the detected security level. The user is able to confirm whether security is ensured at the connectee.
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Nakagomi Hisashi
Takami Tadao
NTT DoCoMo Inc.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Pan Joseph
Vu Kimyen
LandOfFree
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