Snubber circuit

Details Snubber circuit Snubber circuit

2008-01-15

2008-01-15

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

C363S056070

Reexamination Certificate

active

07319579

ABSTRACT:
A snubber circuit has a voltage detection circuit which detects that a voltage between first and second terminals exceeds a predetermined voltage, a protection circuit which performs control to prevent an overvoltage between the first and second terminals when the voltage detection circuit detects that the voltage between the first and second terminals exceeds the predetermined voltage, and a voltage control circuit which bypasses a portion of a main current flowing between the first and second terminals to the protection circuit when the voltage detection circuit detects that the voltage between the first and second terminals exceeds the predetermined voltage.

REFERENCES:
patent: 5828559 (1998-10-01), Chen
patent: 5936387 (1999-08-01), Tabata et al.
patent: 6268990 (2001-07-01), Ogura et al.
patent: 6518739 (2003-02-01), Wald et al.
patent: 2004/0109270 (2004-06-01), Stockinger et al.
patent: 2000-12780 (2000-01-01), None
patent: 2000-92817 (2000-03-01), None
patent: 2000-324797 (2000-11-01), None

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