Electric lamp and discharge devices: systems – Current and/or voltage regulation – Plural load device regulation
Reexamination Certificate
2011-07-19
2011-07-19
Vu, David Hung (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Plural load device regulation
C315S307000, C315SDIG002
Reexamination Certificate
active
07982410
ABSTRACT:
An electrical dimmer circuit comprising the electrical dimmer circuit for dimming the electrical power of a plurality of lighting means having at least one digital input channel, at which digital low-voltage input signals for specifying the light power of the various lighting means can be received, and having at least two output channels, on which output signals for dimming the electrical power of the respectively assigned lighting means can be output by pulse width modulation of a high alternating voltage.
REFERENCES:
patent: 6873121 (2005-03-01), Stevens
patent: 7265503 (2007-09-01), Green
patent: 7391167 (2008-06-01), Jang et al.
patent: 7411359 (2008-08-01), Chung et al.
MA Lighting Technology GmbH
Schwegman Lundberg & Woessner, P.A.
Vu David Hung
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