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:
Dec. 15, 2020
Filed:
Nov. 17, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Mitsubishi Electric Lighting Corporation, Kamakura, JP;
MISTUBISHI ELECTRIC CORPORATION, Tokyo, JP;
MITSUBISHI ELECTRIC LIGHTING CORPORATION, Kanagawa, JP;
Abstract
An input connection part having a first connection part and a second connection part, an anti-surge circuit having a first varistor and a second varistor which are connected in series so as to connect the first connection part and the second connection part, and a lightning arrester device connecting a connection point of the first varistor and the second varistor and a grounding connection part, and a power supply circuit connected to the anti-surge circuit are provided, wherein capacitances of the first varistor and the second varistor are any values from a value of 1.6 times a nominal capacitance of the first varistor and the second varistor to a value of 0.4 times the nominal capacitance.