Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2005-02-14
2009-02-10
Dole, Timothy J (Department: 2831)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S500000, C716S030000, C716S030000
Reexamination Certificate
active
07489139
ABSTRACT:
A checking unit includes a power net extractor for extracting a power net with power attribution, which is segmented by a power-decoupling element, with reference to circuit design data of a printed wiring board; a parts number extractor for extracting a parts number of an integrated circuit connected to the extracted power net; a parts headcount calculator for calculating a headcount of the extracted parts; a judging unit for comparing the extracted parts headcount with a predetermined reference value; and a representing unit for representing a name of the power net and the parts number of the integrated circuit as an unprocessed location of power decoupling when the headcount is larger than the reference value, thereby inspecting quickly whether a power supply in use, shared by each of the integrated circuits, is decoupled at higher frequencies by the power-decoupling element.
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Fusayasu Hirotsugu
Hamada Seiji
Irikiin Miyoko
Mimura Shoichi
Dole Timothy J
He Amy
Panasonic Corporation
Wenderoth , Lind & Ponack, L.L.P.
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