User certificate system and method for data broadcasting

Details User certificate system and method for data broadcasting User certificate system and method for data broadcasting

2003-10-09

2010-10-05

Parthasarathy, Pramila (Department: 2436)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C709S229000, C726S027000

Reexamination Certificate

active

07809947

ABSTRACT:
User certificate method for data broadcasting including the steps of inputting a code recollection starting key on a remote control device during a user watches a data broadcasting, extracting a program title from an Electronic Program Guide table received from a broadcasting station, inputting a successive sequence of keys for user certification, inputting a code recollection end key on the remote control device for finishing the inputting of the sequence of keys, inputting a user code according to a screen displayed after inputting the code recollection key, and storing a record having the user code, the program title and the input key sequence in the code certificate table, whereby permitting easier watching of a data broadcasting program that requires a used certificate.

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