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:
May. 04, 2021
Filed:
Jan. 14, 2019
Murata Manufacturing Co., Ltd., Kyoto, JP;
Masami Okada, Kyoto, JP;
Atsuo Fujita, Kyoto, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
A power supply apparatus includes a latch type first relay inserted between a system power supply and a load, where the latch type first relay includes a switch, a tripping coil configured to open the switch, and a closing coil configured to close the switch, an electricity storage system including a charging and discharging unit inserted between a secondary battery and the load, a non-latch type second relay including a contact and an operating coil configured to open and close the contact, where the operating coil is connected between the electricity storage system and the load, and a control circuit connected to the first relay via the contact of the second relay.