High efficacy discharge lamp having large anodes

Details High efficacy discharge lamp having large anodes High efficacy discharge lamp having large anodes

1988-09-20

1990-02-20

Mis, David

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

315 32, 315 71, 313632, H01J 1734, H05B 4114

Patent

active

049029339

ABSTRACT:
An electric discharge lamp having two distinct electrode pairs, each pair including a "large" anode, is provided to eliminate the voltage drop between the positive column and the electrodes. A diode is wired in series with each electrode to prevent electron emission from the enlarged anodes. The combination results in a lamp with higher efficacy.

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patent: 2930919 (1960-03-01), Wainio
patent: 3215882 (1965-11-01), Toomey
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patent: 4093893 (1978-06-01), Anderson
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patent: 4329622 (1982-05-01), Corona et al.
Waymouth, John F., Electric Discharge Lamps, M.I.T. Press, 1978, pp. 71-75.

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