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. 24, 2024
Filed:
Jul. 24, 2019
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Tetsuya Shigeeda, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 47/26 (2006.01); H01H 47/00 (2006.01); H01H 47/22 (2006.01); H01H 50/12 (2006.01); H02H 3/08 (2006.01); H02J 9/06 (2006.01);
U.S. Cl.
CPC ...
H01H 47/002 (2013.01); H01H 47/22 (2013.01); H02H 3/08 (2013.01); H02J 9/061 (2013.01);
Abstract
A slow-release relay circuit includes: a power storage circuit connected in parallel to a relay including a coil; a discharge circuit that releases electrical charge of the power storage circuit; and a timer circuit that, when detecting interruption of supply of power to the relay, drives the discharge circuit after a prescribed time.