Fluorescent light unit with dimmable light level

Details Fluorescent light unit with dimmable light level Fluorescent light unit with dimmable light level

1980-12-19

1982-11-09

La Roche, Eugene R.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Discharge device and/or rectifier in the cathode or heater...

315100, 315 53, 315 58, 315199, 315291, 315DIG4, H05B 4118

Patent

active

043587100

ABSTRACT:
A screw-in fluorescent light unit having high and low light levels, for use in a 3-way socket. A reactor ballasts the lamp for high light output, and a variable dimming circuit is added to ballast the lamp for variable low light output.

REFERENCES:
patent: 2320424 (1943-06-01), Gates
patent: 2350462 (1944-06-01), Johns
patent: 2652483 (1953-09-01), Laidig et al.
patent: 2817004 (1957-12-01), Baumgartner et al.
patent: 3249807 (1966-05-01), Nuckolls
patent: 3500124 (1970-03-01), Babcock
patent: 3836814 (1974-09-01), Rodriquez
patent: 3878431 (1975-04-01), Petrina
patent: 4178535 (1979-12-01), Miller
patent: 4270071 (1981-05-01), Morton
patent: 4284925 (1981-08-01), Bessone et al.

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