Remote control of lighting

Details Remote control of lighting Remote control of lighting

2008-07-29

2008-07-29

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S247000, C315S307000, C315S312000, C315S158000, C345S082000, C345S052000, C345S077000

Reexamination Certificate

active

07405523

ABSTRACT:
An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary power circuit or derives its very low switch power from the ballast itself. The on/off control provides a near lossless control system. This system may be applied to electronic ballast for operates at fractional power levels corresponding to different lighting intensities and with conventional occupancy sensors. The system may also be applied to other electronically compatible end-use devices and applications.

REFERENCES:
patent: 4208579 (1980-06-01), Scrivo et al.
patent: 6297724 (2001-10-01), Bryans et al.
patent: 6528782 (2003-03-01), Zhang et al.
patent: 2007/0080911 (2007-04-01), Liu et al.
patent: 2007/0228999 (2007-10-01), Kit

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