Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Reexamination Certificate
2006-03-07
2006-03-07
Nguyen, Vincent Q. (Department: 2858)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
For fault location
C327S518000, C323S278000
Reexamination Certificate
active
07009403
ABSTRACT:
Circuit arrangement for controlling the current flow through a load in the case of detection of the current flow according to the current sense principle. The circuit arrangement has a load transistor and a plurality of auxiliary transistors of identical type, which have a control terminal which is connected or can be connected to the control terminal of the load transistor. In the case of the circuit arrangement according to the invention, provision is made of a switching mechanism by which the auxiliary transistors, optionally or depending on the load current or depending on a load path voltage dropped across the load path of the load transistor, can be connected in parallel individually or as a plurality.
REFERENCES:
patent: 6028417 (2000-02-01), Ang et al.
patent: 6271694 (2001-08-01), Uebele
patent: 6316967 (2001-11-01), Takagi et al.
patent: 6469647 (2002-10-01), Kinugasa et al.
patent: 198 23 140 (1999-04-01), None
patent: 198 12 920.3 (1999-12-01), None
patent: 198 12 920 (1999-12-01), None
Graf Alfons
Sander Rainald
Dicke, Billiq & Czaja, PLLC
Infineon - Technologies AG
Natalini Jeff
Nguyen Vincent Q.
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