Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit
Patent
1986-07-25
1988-05-03
Moore, David K.
Electric lamp and discharge devices: systems
With cathode or cathode heater supply circuit
Pulsating or a.c. supply to the cathode or heater circuit
315 94, 315308, 315175, 315224, 315205, H05B 4136
Patent
active
047422769
ABSTRACT:
An improved power supply system of smaller size and lower cost than prior art supplies is described for starting and maintaining the running of a deuterium arc lamp at a constant current level; by use of switching circuitry with solid-state components the necessity of transformers, relays and timing circuits has been obviated with a resultant major reduction in size, cost and cooling requirements of the supply; an improved starting sequence lengthens lamp cathode life.
REFERENCES:
patent: 3819981 (1974-06-01), Diamond
patent: 4158793 (1979-06-01), Lewis
patent: 4221994 (1980-09-01), Friedman et al.
patent: 4417180 (1983-11-01), Chamran et al.
patent: 4559478 (1985-12-01), Fuller et al.
Cummings Ronald G.
Grimes Edwin T.
Masselle Francis L.
Moore David K.
Powell Mark R.
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