Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Automatic cut-out or voltage regulator in the cathode or...
Patent
1991-08-30
1992-09-22
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
With cathode or cathode heater supply circuit
Automatic cut-out or voltage regulator in the cathode or...
315101, 315105, 315106, 315291, 315307, 315362, H05B 4114
Patent
active
051500094
ABSTRACT:
An electric circuit for glow discharge lamp which regulates lamp output according to changing environmental conditions includes a power lamp circuit electrically connected between an anode lead-in wire and a cathode to create a lamp voltage, a filament power circuit electrically connected to a pair of cathode lamp filament lead-in wires to create a filament voltage whereby said lamp voltage decreases with an increasing filament voltage due to lamp characteristics, and a sensing and control circuit for adjusting the filament voltage in accordance with changing environmental conditions for maintaining lamp voltage at a predetermined constant value.
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Kling Michael R.
Roche William J.
Dinh Son
GTE Products Corporation
LaRoche Eugene R.
Walter Robert E.
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