Circuits for operating electric discharge lamps

Details Circuits for operating electric discharge lamps Circuits for operating electric discharge lamps

1975-06-25

1977-03-29

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Plural cathodes or heaters in the load device

315101, 315105, 315283, 315DIG2, 315DIG5, H05B 4123

Patent

active

040151670

ABSTRACT:
A circuit for operating an electric discharge lamp wherein a change in the mode of operation of the circuit is effected in response to a change of phase of a voltage or current in the circuit which occurs during operation e.g. when the lamp strikes or as the lamp runs up to full current.

REFERENCES:
patent: 3649869 (1972-03-01), Nomura et al.
patent: 3886405 (1975-05-01), Kubo
patent: 3917976 (1975-11-01), Nuckolls

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