Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Reexamination Certificate
2007-07-26
2009-06-30
Nguyen, Danny (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
C361S093900
Reexamination Certificate
active
07554779
ABSTRACT:
A distributed power supply circuit supplying common power to multiple packages in an apparatus so that a primary voltage of the common power is converted into a secondary voltage in a voltage conversion part so as to be supplied to a circuit in each of the packages is disclosed. The distributed power supply circuit includes a power supply monitoring part configured to monitor the primary voltage; a reset part configured to stop the supply of the primary voltage to the voltage conversion part when the power supply monitoring part detects the abnormality of the primary voltage; and a discharge part configured to release a stored charge on the primary side of the voltage conversion part when the power supply monitoring part detects the abnormality of the primary voltage. The power supply monitoring part is separated from the reset part by multiple diodes so as to be provided in parallel with the reset part.
REFERENCES:
patent: 7266000 (2007-09-01), Terdan
patent: 7324316 (2008-01-01), Chen et al.
patent: 09-062408 (1997-03-01), None
patent: 2005-276034 (2005-10-01), None
Agata Masahiro
Funami Yoshihisa
Kobayashi Kazuaki
Kotaki Yuichi
Nakajima Takashi
Fujitsu Limited
Nguyen Danny
Staas & Halsey , LLP
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