Apparatus for selectively enlarging or reducing an area of a rep

Details Apparatus for selectively enlarging or reducing an area of a rep Apparatus for selectively enlarging or reducing an area of a rep

1991-10-22

1993-08-03

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358140, 358 11, 3581941, 358183, H04N 3223

Patent

active

052334228

ABSTRACT:
A television signal receiving apparatus for receiving a high definition television signal comprises, a receiving circuit for receiving the high definition television signal and for generating a high definition video signal, a converting circuit for converting the high definition video signal into a standard definition video signal, a display device supplied with the standard definition video signal and for displaying the reproduced picture according to the standard definition video signal, and a control device including a selecting device for selecting a predetermined area of the reproduced picture and a processing circuit for processing the high definition video signal corresponding to the selected area so that the reproduced picture corresponding to the selected area is changed in size.

REFERENCES:
patent: 4528585 (1985-07-01), Bolger
patent: 5029326 (1991-07-01), Tabata
SMPTE Journal, vol. 99, No. 2, Feb. 1990, pp. 124-135, White plains, N.Y., US; L. Thorpe et al.: "An HDTV downconverter for post-production" p. 132, right-hand column, line 18-page 133, middle-column, line 33; figure 16.

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