Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2006-08-15
2006-08-15
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C327S112000
Reexamination Certificate
active
07091753
ABSTRACT:
In a gate driving circuit, when a driving target device is turned on, an auxiliary driving element is turned on to form a closed circuit comprising a DC power source, a reactor, an auxiliary driving element and an OFF-driving element, and make reactor current flow in the direction from a power source intermediate point to an output point in advance. Just before the driving target device is turned on, the OFF-driving element is turned off to form a resonance circuit comprising the reactor, the auxiliary driving element and the gate capacitance, and make gate current (reactor current) flow so that the gate capacitance is charged by using resonance phenomenon of the resonance circuit.
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patent: 5010261 (1991-04-01), Steigerwald
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patent: 5140201 (1992-08-01), Uenishi
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Mr. Maksimovic, Institute of Electrical and Electronics Engineers: “A MOS Gate Drive With Resonant Transitions” Proceedings of the Annual Power Electronics Specialists Conference, vol. Conf. 22,24, Jun. 1991, pp. 527-532.
Denso Corporation
Posz Law Group , PLC
Wells Kenneth B.
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