Dimmer circuit arrangement

Details Dimmer circuit arrangement Dimmer circuit arrangement

2007-09-18

2007-09-18

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S216000, C315S195000, C315S307000, C315SDIG002, C323S237000, C323S265000

Reexamination Certificate

active

10508589

ABSTRACT:
A dimmer circuit arrangement is disclosed including a second control circuit (40) for controlling the operation of a triac (50) for delivering current to a load (60), and a first control circuit (10) for controlling the operation of an IGBT power semiconductor switch (20) for controlling the rate of rise of load voltage. The first control circuit also controls the operation of the second control circuit.

REFERENCES:
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patent: 4797599 (1989-01-01), Ference et al.
patent: 4823069 (1989-04-01), Callahan et al.
patent: 5323088 (1994-06-01), Cunningham
patent: 6211627 (2001-04-01), Callahan
patent: 2 297 441 (1996-07-01), None
patent: 2 343 796 (2000-05-01), None
patent: 330486 (1998-05-01), None

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