Strobe trigger pulse generator
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United States of America Patent
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Sep 11, 1990
Issued Date -
N/A
app pub date -
Oct 31, 1988
filing date -
Nov 4, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A strobe trigger pulse generator includes a power supply, an energy storage capacitor coupled to the power supply and a trigger pulse generator which intermittently energizes a trigger pulse transformer to ionize the gaseous interior of a strobe flash lamp. The trigger pulse generator includes a trigger capacitor coupled to the trigger pulse transformer. A trigger capacitor charging device is coupled between the power supply and the trigger capacitor to selectively direct a charging current to the trigger capacitor. The trigger capacitor discharge circuit is coupled to the trigger capacitor to periodically discharge the capacitor through the trigger pulse transformer to generate a high voltage trigger pulse. A charge path disabling circuit is coupled to the current flow path between the power supply and the trigger capacitor to control the charging current directed to the trigger capacitor.
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