Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2011-01-11
2011-01-11
Barron, Jr., Gilberto (Department: 2432)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S181000
Reexamination Certificate
active
07870391
ABSTRACT:
A mobile communication terminal having a function of managing multimedia data is provided, including: a main memory including a multimedia database storing the multimedia data; a signal processor converting the multimedia data stored in the main memory into data of a format suitable to be output to a display of the mobile communication terminal; a back_end chip which processes the multimedia data outputted from the signal processor, stores digest information of multimedia data upon occurrence of an update event of the multimedia data, and provides the stored digest information upon receiving a signal of requesting the digest information to be synchronized; and a front_end chip including a controller which requests the digest information stored in the back_end chip, compares and synchronizes the digest information offered from the back_end chip and digest information stored in advance in the front_end chip.
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Kang Jung-mook
Yim Su-hyun
Barron Jr. Gilberto
H.C. Park & Associates PLC
Lemma Samson B
Pantech & Curitel Communications, Inc.
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