Method and system for secure transmission and reception of video

Details Method and system for secure transmission and reception of video Method and system for secure transmission and reception of video

1982-03-03

1983-09-20

Buczinski, S. C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358123, H04N 716, H04K 104

Patent

active

044059426

ABSTRACT:
A method and a system for secure transmission and reception of a video signal wherein parts of the video signal arranged in a first predetermined sequence are delayed in relation to each other to form an encoded video signal having its parts rearranged in sequence relative to their positions in the first predetermined sequence. Rearrangement of the video signal parts is accomplished by storing successive parts of the video signal and retrieving the stored parts so that the transmitted video signal has in parts arranged in a sequence other than their normal sequence. A decoder at a remote location is provided for receiving and restoring the transmitted sequence of video signal parts to its original sequence. In a television scrambling system, the parts of the video signal are fields, lines or segments of lines and, rearrangement of the sequence of video signal parts is accomplished on a line segment, line or field basis. Codes may be transmitted to the remote location with the video signal or otherwise to indicate the manner in which the parts of the video signal have been rearranged.

REFERENCES:
patent: 2972008 (1961-02-01), Ridenour et al.
patent: 4070693 (1978-01-01), Shutterly

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