Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply
Patent
1989-09-06
1991-05-07
Laroche, Eugene R.
Electric lamp and discharge devices: systems
Condenser in the supply circuit
Condenser in shunt to the load device and the supply
315241P, 315200A, 315200R, H05B 4114
Patent
active
050139738
ABSTRACT:
A power supply for intermittently energized loads, particularly gas discharge tubes employed as high intensity lights, has a pair of capacitances which are charged to a high voltage level to provide primary and secondary sources of anode voltage for the load. A coupling circuit impedes the discharge of the secondary anode voltage source capacitance when the primary anode voltage source capacitance is discharged through the load whereby a high voltage is present at the load, i.e., a discharge tube anode, immediately subsequent to the tube being extinguished thus reducing the time between successive firings of the tube. The current available for recharging the primary anode voltage source capacitance may also be increased during the time periods when the tube is being rapidly and repetitively fired.
REFERENCES:
patent: 4013921 (1977-03-01), Corthell
patent: 4027199 (1977-05-01), Johnson
patent: 4321507 (1982-03-01), Bosnak
patent: 4625151 (1986-11-01), Kataoka
patent: 4800323 (1989-01-01), Sikora
Dinh Son
LaRoche Eugene R.
Whelen Technologies, Inc.
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