Interface circuit for operating capacitive loads

Details Interface circuit for operating capacitive loads Interface circuit for operating capacitive loads

2006-10-31

2006-10-31

Vu, David (Department: 2828)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Impedance or current regulator in the supply circuit

C315S244000, C315SDIG002

Reexamination Certificate

active

07129648

ABSTRACT:
An interface circuit suitable for operating capacitive loads such as electric ballasts for lamps at a mains supply circuit, in particular a phase gating dimmer. The interface circuit short-circuits the load input if the mains supply circuit does not carry out a load supply.

REFERENCES:
patent: 4876497 (1989-10-01), Colver
patent: 6054815 (2000-04-01), Sugita et al.
patent: 6713974 (2004-03-01), Patchornik et al.
patent: 10022078 (1998-01-01), None
patent: 1 045 623 (2000-10-01), None
patent: 2001052886 (2001-02-01), None
Copy of European Patent Office Search Report (dated Oct. 31, 2005; 3 pages total) for related European Patent Application No. EP 04 00 6568.

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