Circuit for detecting electric current

Details Circuit for detecting electric current Circuit for detecting electric current

2007-12-25

2007-12-25

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S713000

Reexamination Certificate

active

10561172

ABSTRACT:
A circuit for detecting an electric current by which a loss portion of a forward current caused by a backward leakage current of a diode generated by the influence of temperature increase can be compensated such that error in the peak value of a load current detected by surrounding high temperature can be minimized, and reliability can be increased for electric instruments that call for an accurate control of the load current and that generate a high temperature such as induction heating cookers, induction heaters and the like.

REFERENCES:
patent: 4422039 (1983-12-01), Davis
patent: 4847554 (1989-07-01), Goodwin
patent: 6710314 (2004-03-01), Reiss et al.
patent: 58-165674 (1983-09-01), None
patent: 60-5776 (1985-01-01), None
patent: 63-117656 (1988-05-01), None
patent: 10-146050 (1998-05-01), None
patent: 2003-17287 (2003-01-01), None
patent: 1994-0001193 (1993-04-01), None

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