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
1992-08-04
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...
315106, 315362, 315291, 315307, 05B 3904, 05B 4136, H05B 3904, H05B 4136
Patent
active
051362104
ABSTRACT:
An electric circuit for glow discharge lamp includes a sensing and control circuit which senses the minimum of the lamp voltage wave form and adjust the filament voltage in accordance with sensed wave form and changing environmental conditions for maintaining lamp voltage at a predetermined constant value.
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Dinh Son
GTE Products Corporation
LaRoche Eugene R.
Walter Robert E.
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