Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate
2003-12-19
2009-08-25
Luu, Le (Department: 2454)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Demand based messaging
C709S207000, C713S189000, C713S150000
Reexamination Certificate
active
07580980
ABSTRACT:
A recipient identifier and communication condition information stored in a recipient-identifier storing unit are encrypted by an identifier-for-disclosure creating unit of a recipient terminal to create an identifier-for-disclosure. An identifier-for-disclosure notifying unit notifies a sender terminal of the identifier-for-disclosure. When a communication request using the identifier-for-disclosure is sent from the recipient terminal, a restoring unit of a relay system extracts the communication condition information from the identifier-for-disclosure. Only when communication conditions included in the communication condition information are satisfied, communication between the recipient terminal and the sender terminal is established.
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Abe Tsuyoshi
Fujimura Akiko
Hoshino Fumitaka
Kawashima Masahisa
Kinoshita Shingo
Luu Le
Nippon Telegraph and Telephone Corporation
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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