SCHALTUNGSANORDNUNG ZUR VERARBEITUNG VON VIDEOSIGNALEN, INSBESONDERE DER VERTIKALDETAIL-KOMPONENTEN

SCHALTUNGSANORDNUNG ZUR VERARBEITUNG VON VIDEOSIGNALEN, INSBESONDERE DER VERTIKALDETAIL-KOMPONENTEN

In a television receiver, apparatus for non-linearly processing a vertical detail signal includes a plurality of cascaded amplifier stages 12, 14, 15, 16, 17 responsive to an input vertical detail signal and which exhibit linear and limiting operating regions. Vertical detail signals S2 and 23 from...

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Hauptverfasser: JON SAUER,DONALD, HAROLD PRITCHARD,DALTON
Format: Patent
Sprache:ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator JON SAUER,DONALD
HAROLD PRITCHARD,DALTON
description In a television receiver, apparatus for non-linearly processing a vertical detail signal includes a plurality of cascaded amplifier stages 12, 14, 15, 16, 17 responsive to an input vertical detail signal and which exhibit linear and limiting operating regions. Vertical detail signals S2 and 23 from the amplifiers 15, 17 are translated 42, 43; 60, 62 and combined A with a linear version S1 of the input vertical detail signal. The combined vertical detail signal exhibits a characteristic output, Fig. 2, wherein small amplitude excursions within a first amplitude range I are cored, moderate amplitude range II are amplified with a given non-zero gain, and large amplitude excursions within a third amplitude range III are pared (attenuated).
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title SCHALTUNGSANORDNUNG ZUR VERARBEITUNG VON VIDEOSIGNALEN, INSBESONDERE DER VERTIKALDETAIL-KOMPONENTEN
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