Transcoder for decoding encoded TV programs

Details Transcoder for decoding encoded TV programs Transcoder for decoding encoded TV programs

2007-07-03

2007-07-03

Arani, Taghi T. (Department: 2131)

Cryptography

Video cryptography

Video electric signal modification

C380S227000

Reexamination Certificate

active

09485408

ABSTRACT:
A decoder device has a control unit for decoding encoded TV programs. The decoder device has an input for entering an encoded TV program, a decryption device for decoding an encoded TV program into a format which can be played on a television set, an output which can be connected to the television set and is designed to enter the encoded TV program into the television set for play, an interface for an identification or key component, to be used for validation of the decoding device, as well as an interface for a control unit. The interface for the identification or key component is located in the control unit.

REFERENCES:
patent: 5029207 (1991-07-01), Gammie
patent: 5534913 (1996-07-01), Majeti et al.
patent: 94 17 937 (1995-04-01), None
patent: 2 304 217 (1997-03-01), None
patent: 96 32702 (1996-10-01), None
patent: 97 20431 (1997-06-01), None
Bauer et al., “Integrated Security for Digital Video Broadcast,” IEEE Transactions on Consumer Electronics, Bd. 42, Nr. 3, Aug. 1996, pp. 500-503.

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