Capacitively ballasted low voltage incandescent lamp

Details Capacitively ballasted low voltage incandescent lamp Capacitively ballasted low voltage incandescent lamp

1984-07-16

1985-06-25

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Electric switch in the condenser circuit

315227R, 315291, 315311, 315DIG4, 323209, 363 62, H05B 3700, H05B 3900, H05B 4114

Patent

active

045256519

ABSTRACT:
A capacitively ballasted low voltage lamp comprising a main capacitor connected electrically in series with the lamp, across an alternating current source, and one or more auxiliary capacitors that can be connected electrically across the main capacitor by switching means for one or more source waveform cycles. The minimum lamp current is established by the main capacitor, with additional lamp current flowing through one or more auxiliary capacitors during one or more source waveform cycles.

REFERENCES:
patent: 2654042 (1953-09-01), Clarke et al.
patent: 3274484 (1966-09-01), Gebhardt et al.
patent: 3597652 (1971-08-01), Gates, Jr.
patent: 3921032 (1975-11-01), Hallay
patent: 4185231 (1980-01-01), Colliton

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