Scan conversion apparatus

Details Scan conversion apparatus Scan conversion apparatus

1974-11-08

1977-11-15

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, 360 9, H04N 712

Patent

active

040588351

ABSTRACT:
A standard television picture is transmitted over conventional phone lines by sampling and storing one picture element per TV line, and transmitting the information of the stored samples over the phone line as a reduced bandwidth television signal. At the receiver end the transmitted signal is placed into storage and extracted at standard TV rates and written as a TV line onto a rotating video disc. The process is repeated until the final picture to be displayed is assembled on a line-by-line basis on the disc.

REFERENCES:
patent: 3526900 (1970-09-01), McCoy
patent: 3564127 (1971-02-01), Sziklai
patent: 3792194 (1974-02-01), Wood

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