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Scrambled television signals

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

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Scrambled transmission system

Cryptography – Key management – Having particular key generator
Patent

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Scrambled TV-IF signal transmission system

Cryptography – Key management – Having particular key generator
Patent

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Scrambled video digital transmission link

Cryptography – Key management – Having particular key generator
Patent

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Scrambled video signal transmission system with pulse-code modul

Cryptography – Key management – Having particular key generator
Patent

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Scrambled-communication system using adaptive transversal filter

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

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Scrambler and scrambling method

Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate

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Scrambler bypass system

Cryptography – Cryptanalysis
Patent

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Scrambler of information stored on magnetic memory media

Cryptography – Cryptanalysis
Patent

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Scrambler system

Cryptography – Cryptanalysis
Patent

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Scrambler with self-calibration

Cryptography – Key management – Having particular key generator
Patent

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Scrambler/descrambler system for data transmission

Cryptography – Key management – Having particular key generator
Patent

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Scrambling a compression-coded signal

Cryptography – Communication system using cryptography – Having compression
Reexamination Certificate

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Scrambling and descrambling a high definition TV signal

Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate

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Scrambling and descrambling circuit for a cordless telephone

Cryptography – Communication system using cryptography – Frequency shift or inversion
Patent

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Scrambling and descrambling control word control in a remultiple

Cryptography – Video cryptography – Video electric signal modification
Patent

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Scrambling and descrambling of data with improved security

Cryptography – Key management – Having particular key generator
Patent

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Scrambling and descrambling of video signals using horizontal li

Cryptography – Key management – Having particular key generator
Patent

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Scrambling and unscrambling circuit

Cryptography – Key management – Having particular key generator
Patent

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Scrambling and unscrambling method for composite video signals a

Cryptography – Key management – Having particular key generator
Patent

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