Flash lamp circuit

Details Flash lamp circuit Flash lamp circuit

1985-03-01

1987-08-04

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315200A, 315241S, 340331, H05B 3700, H05B 3900, H05B 4114

Patent

active

046848525

ABSTRACT:
A circuit for repetitively firing a flash or strobe lamp with voltage derived from the AC line without large and costly storage capacitors utilizes a voltage doubler having small capacitors one microfarad in capacitance value or less. A trigger circuit provides a high potential pulse to the trigger electrode of the lamp at or near the peak of the voltage from the AC line to provide flashes at a desired rate, say one per second. The circuit may be used in a warning light device.

REFERENCES:
patent: 3543087 (1970-11-01), Saiger et al.
patent: 3544840 (1970-12-01), Saiger
patent: 3631318 (1971-12-01), Hubbard
patent: 3767969 (1973-10-01), White et al.
patent: 3771017 (1973-11-01), Switsen
patent: 3774073 (1973-11-01), Switsen
patent: 3845349 (1974-10-01), Liebman
patent: 4007399 (1977-02-01), White
patent: 4041351 (1977-08-01), Whitehouse et al.

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