Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2011-04-12
2011-04-12
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C327S109000, C327S198000
Reexamination Certificate
active
07924063
ABSTRACT:
An ECU has a main IC and at least one auxiliary IC, with at least the auxiliary IC driving one or more MOS FETs to control supplying of power to respective electrical loads, e.g., in a vehicle. A stepped-up voltage, higher than the circuit power source voltage, is generated within the main IC and supplied to each auxiliary IC, for driving gate electrodes of the MOS FETs. Electrical noise produced by operation of a voltage step-up circuit in the main IC is effectively suppressed by elements that are coupled only to a power source terminal of the main IC alone.
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European Search Report
Notification of Reasons for Rejection issued Nov. 11, 2008 in corresponding Japanese Application No. 2004-185280 w/ an at least partial translation.
Itabashi Toru
Kanayama Mitsuhiro
Denso Corporation
Donovan Lincoln
Jager Ryan C
Nixon & Vanderhye PC
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