The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
May. 18, 2022
Fuji Electric Co., Ltd., Kanagawa, JP;
Takahiro Mori, Matsumoto, JP;
FUJI ELECTRIC CO., LTD., Kanagawa, JP;
Abstract
Provided is a control apparatus including a sensing unit configured to output a short circuit sensing signal in response to sensing, in a turn-on period of a main switching device by a switching device for on control, of short circuit of the main switching device, a protection operation control unit configured to output an instruction signal of a short circuit protection operation at delayed timing relative to the short circuit sensing signal, and a protection unit configured to turn off the switching device for on control in response to the instruction signal, in which the protection operation control unit outputs the instruction signal in response to continuation of the short circuit sensing signal beyond a first reference time period.