Apparatus for protecting an image pickup tube in a television camera
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 18, 1983
Grant Date -
N/A
app pub date -
Mar 23, 1982
filing date -
Jun 17, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a television camera having an image pickup tube and an iris for controlling an amount of incident light upon the pickup tube both in an automatic control mode and in a manual control mode by selectively actualing a mode selection switch, an additional switch is connected in parallel with the mode selection switch and when a main power switch is made off, said additional switch is closed for a given time period during which the iris is driven into its minimum aperture state.
First Claim
Family
International Classification(s)
Cited Art Landscape
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