Adjustable strobe with temperature stabilization

Details Adjustable strobe with temperature stabilization Adjustable strobe with temperature stabilization

1993-03-16

1994-10-11

Peng, John K.

Communications: electrical

Systems

Periodic or flashing

340332, 340326, 315200A, 315127, G08B 500

Patent

active

053551168

ABSTRACT:
A strobe alarm circuit includes a voltage source circuit which has a capacitor connected across its output terminals. The voltage source circuit is connected to a flash circuit which includes a flashtube shunted by a trigger circuit. The trigger circuit causes the flashtube to flash when the voltage across the voltage source circuit capacitor reaches a predetermined threshold firing voltage. A resistor divider network is employed in the trigger circuit to ensure that the flashtube is triggered at virtually the same instant as the voltage across the capacitor exceeds the trigger threshold value.

REFERENCES:
patent: 3634840 (1972-01-01), Wilkinson
patent: 3683347 (1972-08-01), Melone
patent: 3761921 (1973-09-01), Adler
patent: 3765006 (1973-10-01), Takahashi et al.
patent: 3772564 (1973-11-01), Leskin
patent: 3819983 (1974-06-01), Bjork
patent: 4068149 (1978-01-01), Wuchinich
patent: 4101880 (1978-07-01), Haus
patent: 4243917 (1981-01-01), Caprari
patent: 4287509 (1981-09-01), Beggs
patent: 4404498 (1983-09-01), Spiteri
patent: 4692668 (1987-09-01), Brown
patent: 4967177 (1990-10-01), Nguyen
patent: 5111116 (1992-05-01), Takeda
patent: 5121033 (1992-06-01), Kosich
patent: 5162702 (1992-11-01), Schmees et al.
patent: 5189344 (1993-02-01), Rose
Wheelock Schematic 24 DC High Power Strobe, No. S80611-004 & 006, May 8, 1984 (marked Obsolete Aug. 1, 1990).

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