Voltage regulator for alternating current lighting system

Details Voltage regulator for alternating current lighting system Voltage regulator for alternating current lighting system

1976-02-23

1977-05-31

Pellinen, A. D.

Electric lamp and discharge devices: systems

Special application

Vehicle

315 82, 315310, 322 28, 323 8, 323 40, B60Q 108, G05F 144

Patent

active

RE0292451

ABSTRACT:
A semi-conductor voltage regulator includes a dual transistor differential amplifier pair adapted to so as not to be damaged by reverse voltages during the application of either polarity of alternating current to the associated sensing network. The sensing network includes resistors, the value of which are selected to provide an offset current during one polarity of alternating current with respect to the other polarity. A diode is coupled with the differential amplifier transistor pair in order to protect those devices and the load from high, suddenly-applied or transient voltages generated externally or by internal switching within the regulator.

REFERENCES:
patent: 3241044 (1966-03-01), Mills
patent: 3469177 (1969-09-01), Lorenz
patent: 3538427 (1970-11-01), Oltendorf
patent: 3641397 (1972-02-01), Elliot et al.
patent: 3742337 (1973-06-01), Dignefpe
patent: 3755709 (1973-08-01), Minks
patent: 3757199 (1973-09-01), Minks
patent: 3790856 (1974-02-01), Hutchinson

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