Combined flash tube and quench tube apparatus

Details Combined flash tube and quench tube apparatus Combined flash tube and quench tube apparatus

1982-04-15

1983-11-15

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural load device systems

Sequential starting

313306, 313594, 313634, 315232, 315241P, 315334, 315DIG1, H05B 4134

Patent

active

044158408

ABSTRACT:
Discharge apparatus comprises a xenon-filled glass envelope with a common cathode that divides the envelope into two separate gas-containing chambers. Respective anodes are provided in each chamber to cooperate with the common cathode. By placement of the cathode a closer distance to one of the anodes, the impedance of the discharge path between the more closely spaced electrodes is made lower than the impedance of the discharge path in the other chamber. To make the impedance even lower, the pressure of the gas between the closely spaced electrodes is made lower than the gas pressure between the other pair of electrodes. The discharge apparatus is particularly useful in quenchable electronic flash apparatus employing both a flash tube and a low-impedance quench tube.

REFERENCES:
patent: 4004189 (1977-01-01), Cosco et al.

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