Electronic flash inhibit arrangement
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 3, 1981
Grant Date -
N/A
app pub date -
Oct 17, 1979
filing date -
Oct 17, 1979
priority date (Note) -
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Importance
Abstract
Electronic flash apparatus for a camera having automatic focusing with sonic ranging has a charge control system which inhibits charging of the flash tube capacitor during at least the automatic focusing operation of the camera. The flash apparatus thus schedules capacitor charging to occur at times other than the sonic ranging for automatic focusing, and thereby avoids the likelihood that spurious radiation from the capacitor-charging oscillator interferes with the sonic ranging operation.
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