Vertical deflection circuit for a camera tube in a television camera

A vertical deflection circuit is used in a camera tube in a color television camera in which the camera tube is provided with an optical filter having an optically black part extending in parallel with a beam scanning direction of the camera tube. A vertical deflection circuit comprises a circuit fo...

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Bibliographic Details
Main Authors YOKOKAWA; SUMIO, WATANABE; YASUAKI
Format Patent
LanguageEnglish
Published 02.12.1980
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:A vertical deflection circuit is used in a camera tube in a color television camera in which the camera tube is provided with an optical filter having an optically black part extending in parallel with a beam scanning direction of the camera tube. A vertical deflection circuit comprises a circuit for generating a saw-tooth voltage for vertical deflection, a vertical deflection coil for the camera tube, and a circuit for supplying the saw-tooth voltage thus generated to one end of the vertical deflection coil in DC coupling. Due to temperature fluctuation, a vertical deflection width fluctuates with respect to a position corresponding to a black part of the filter, as a reference.
Bibliography:Application Number: US19790004599