Compact fluorescent lamp with improved power factor

Details Compact fluorescent lamp with improved power factor Compact fluorescent lamp with improved power factor

1993-01-08

1994-05-17

Mis, David

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural discharge devices and/or rectifiers in the supply...

315209R, 315226, 315244, 315247, 315DIG5, 363 37, 363131, H05B 4129

Patent

active

053131428

ABSTRACT:
A compact fluorescent lamp in combination with a high frequency DC-AC converter includes a rectifier circuit and a buffer capacitor coupled between a source of low frequency AC voltage and the converter. A feedback capacitor couples a high frequency feedback signal corresponding to the converter output signal to the buffer capacitor via the rectifier circuit so as to improve the power factor of the combination.

REFERENCES:
patent: 4935672 (1990-06-01), Lammers et al.
patent: 5050057 (1991-09-01), Notohara et al.
patent: 5057749 (1991-10-01), Nilssen
patent: 5059867 (1991-10-01), Nerone et al.

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