Transaction processing system utilizing teletext broadcasting sy

Details Transaction processing system utilizing teletext broadcasting sy Transaction processing system utilizing teletext broadcasting sy

1997-02-11

2000-07-18

Buczinski, Stephen C.

Cryptography

Video cryptography

Video electric signal modification

348 3, 348 7, 348 12, 380234, H04N 7167, H04N 710

Patent

active

060918233

ABSTRACT:
A transaction processing system includes a broadcasting station broadcasting a television signal and a teletext signal, the teletext signal including service information concerning transactions, a home-use terminal, a television set connected to the home-use terminal, a transaction processing center, and a communications network connecting the home-use terminal and the transaction processing center to each other. The home-use terminal includes a first unit for receiving the television signal and the teletext signal and for displaying an image of the television signal and an image of the teletext signal on the television set, and a second unit for generating a request for a desired transaction that is one of the transactions contained in the teletext signal broadcasted by the broadcasting station and including information concerning the desired transaction, and a third unit for communicating with the transaction processing center via the communications network, the request for the desired transaction being sent to the transaction processing center via the communications network. The transaction processing center includes a fourth unit for checking the request for the desired transaction in order to determine whether or not the request for the desired transaction is acceptable.

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