Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply
Patent
1988-10-31
1990-09-11
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Condenser in the supply circuit
Condenser in shunt to the load device and the supply
315241S, 315DIG7, 363 19, 363131, H05B 3700, H05B 3900, H02M 3335, H02M 7537
Patent
active
049565842
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.
REFERENCES:
patent: 3753039 (1973-08-01), Bonazoli et al.
patent: 3780344 (1973-12-01), Paget
patent: 4013921 (1977-02-01), Corthell
patent: 4321507 (1982-03-01), Bosnak
patent: 4398127 (1983-08-01), Bahn et al.
patent: 4755723 (1988-07-01), Sikora
The Exhibit A Tomar Microstrobe circuit, dated prior to 10-31-1988.
LaRoche Eugene R.
Shingleton Michael B.
Tomar Electronics, Inc.
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