H - Electricity – 05 – B
Patent
H - Electricity
05
B
340/58, 315/63
H05B 41/16 (2006.01) H05B 41/19 (2006.01) H05B 41/34 (2006.01)
Patent
CA 1228891
FLASH LAMP CIRCUIT ABSTRACT A circuit for repetitively firing a flash or strobe lamp with voltage derived from the AC line with- out large and costly storage capacitors utilizes a voltage doubler having small capacitors one microfarad in capacitance value or less. A trigger circuit pro- vides 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 device.
434776
Borden Ladner Gervais Llp
Star Headlight & Lantern Company Inc.
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