Protective circuit

Details Protective circuit Protective circuit

2008-05-22

2010-12-07

Fureman, Jared J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

C361S091100, C361S111000

Reexamination Certificate

active

07848069

ABSTRACT:
A protective circuit connected between a terminal of a semiconductor integrated circuit and ground (GND), comprises: a first diode having an anode connected to the terminal of the semiconductor integrated circuit; a second diode having an anode connected to GND and a cathode connected to the cathode of the first diode; a transistor having a collector or drain connected to the terminal of the semiconductor integrated circuit, and an emitter or source connected to GND; and at least one third diode connected in series in a forward direction from the cathode of the first diode toward the base or gate of the transistor.

REFERENCES:
patent: 5467049 (1995-11-01), Kida et al.
patent: 5536958 (1996-07-01), Shen et al.
patent: 5661322 (1997-08-01), Williams et al.
patent: 6876529 (2005-04-01), Li
patent: 2001/0022525 (2001-09-01), Grimaldi et al.
patent: 2004/0095699 (2004-05-01), Kohno
patent: 2008/0062595 (2008-03-01), Ping et al.
patent: 58-58827 (1983-04-01), None
patent: 64-55017 (1989-03-01), None
patent: 5-36979 (1993-02-01), None
patent: 6-104712 (1994-04-01), None
patent: 10-164748 (1998-06-01), None
patent: 10-274663 (1998-10-01), None

Affiliated with

Also associated with

Rating

Protective circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Protective circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protective circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4197103