DISPOSITIF DE PRODUCTION D'IMPULSIONS DE VERROUILLAGE D'UNE PORTE D'UN SIGNAL DE SYNCHRONISATION DE SOUS-PORTEUSE DE CHROMINANCE DE LARGEUR CONSTANTE

A keying pulse generator for a color television burst gate provides a gating pulse in response to horizontal synchronizing pulses when present and in response to horizontal retrace pulses when sync pulses are absent. A timing circuit is provided to maintain a constant width keying pulse independent...

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Bibliographic Details
Main Author RONALD EUGENE FERNSLER ET THOMAS DALE YOST
Format Patent
LanguageFrench
Published 16.08.1991
Edition4
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:A keying pulse generator for a color television burst gate provides a gating pulse in response to horizontal synchronizing pulses when present and in response to horizontal retrace pulses when sync pulses are absent. A timing circuit is provided to maintain a constant width keying pulse independent of video signal condition and receiver operating characteristics.
Bibliography:Application Number: FR19840013382