Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1996-06-19
1998-08-25
Pascal, Robert J.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
32283, 315224, 315DIG7, 315DIG4, 315200R, H02B 3702
Patent
active
057986193
ABSTRACT:
For energizing remote lamp loads subjected to indeterminate transmission losses, a current regulating power supply is described which delivers a regulated current to the load using for example, a full wave rectifier supplying an unfiltered pulsating voltage to a switching regulator controlled by a feedback loop incorporating a current sensing resistor and pulse width modulator. The supply has a substantially unity power factor, a self-quenching characteristic in the presence of circuit interruptions, and can deliver regulated current to a variety of lamp types.
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LPS-045/200-H Halogen Lamp Power Supplies, Oct. 15, 1993, Rev. 2, Part No. SX00774-000 (Owners's Manual).
Pascal Robert J.
Shingleton Michael
Vari-Lite Inc.
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