AC Powered flash tube control circuit

Details AC Powered flash tube control circuit AC Powered flash tube control circuit

1977-06-13

1979-03-27

Smith, Alfred E.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315241P, 315DIG7, H05B 3700, H05B 3900, H05B 4114

Patent

active

041468210

ABSTRACT:
AC powered flash tube control circuitry includes an energy storage circuit and a firing circuit. The storage and firing circuits are triggered in each flash cycle in separate coordinated sequence in time synchronism with the frequency of the AC source to store energy in a first portion of each flash cycle and to trigger the tube into conduction in a second portion of the flash cycle during which energy from the storage circuit is discharged from the flash tube to produce an output flash of radiation.

REFERENCES:
patent: 3753039 (1973-08-01), Bonazoli et al.
patent: 3767969 (1973-10-01), White et al.
patent: 3946271 (1976-03-01), Stepp et al.
patent: 4007399 (1977-02-01), White
patent: 4027199 (1977-05-01), Johnson
patent: 4075536 (1978-02-01), Stevens

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