Apparatus for the digitization of videofrequency television sign

Details Apparatus for the digitization of videofrequency television sign Apparatus for the digitization of videofrequency television sign

1980-07-03

1982-02-23

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358141, 358138, 358160, H04N 700

Patent

active

043171290

ABSTRACT:
The present invention relates to an apparatus for the digitization of videofrequency television signals making it possible to improve the subjective definition of known systems using a non-orthogonal structure of points and to obviate the disadvantages of said system structure. This apparatus comprises on reception an analog-digital converter by high speed sampling corresponding to the full definition of the processed spectrum followed by an inhibitor of one sample out of every two and on reception, a conventional decoder, whose analog output signal is added to the other part of the spectrum resulting from a logic processing of the original binary train or stream.

REFERENCES:
patent: 4218697 (1980-08-01), Leventer
patent: 4227204 (1980-10-01), Rossi

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