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Receiving apparatus and recording method

Cryptography – Cryptanalysis
Patent

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Receiving DBS content on digital TV receivers

Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate

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Receiving device, recording and reproducing device and...

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Receiving mixed-media data

Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate

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Receiving station management apparatus

Cryptography – Key management – Having particular key generator
Patent

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Reception apparatus, reception method, transmission apparatus, t

Cryptography – Key management – Having particular key generator
Patent

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Reception terminal, key management apparatus, and key...

Cryptography – Key management – Key distribution
Reexamination Certificate

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Recipient-encrypted session key cryptography

Cryptography – Communication system using cryptography – Symmetric key cryptography
Reexamination Certificate

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Recognition apparatus and method for security systems

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Reconfigurable universal trainable transmitter

Cryptography – Communication system using cryptography – Wireless communication
Reexamination Certificate

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Record medium, record medium manufacturing device, computer...

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Record with encoded data

Cryptography – Electric signal modification – Having production of printed copy
Patent

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Record with encoded data

Cryptography – Electric signal modification – Having production of printed copy
Patent

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Recordable storage medium with protected data area

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Recordation of encrypted data to a recordable medium

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Recorded medium for video control system

Cryptography – Cryptanalysis
Patent

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Recorder

Cryptography – Key management
Reexamination Certificate

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Recording and playback apparatus for stream data and...

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Recording and reproducing apparatus with limited digital copying

Cryptography – Cryptanalysis
Patent

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Recording apparatus

Cryptography – Cryptanalysis
Patent

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