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. 15, 2021
Filed:
Nov. 11, 2019
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kento Mochizuki, Tokyo, JP;
Shuhei Chizuwa, Tokyo, JP;
Abstract
In a power supply device, a first switching power supply is disposed in a first power line connecting a receiver for receiving power from an external power supply and the power storage device and converts the power received from the external power supply to supply it to the power storage device. A second switching power supply is disposed in the second power line including a first end connected the first power line at a branch point, and a second end connected to the load device, and converts the power received from the power storage device to supply it to the load device. The first noise removal filter is disposed between the branch point and the power storage device in the first power line. The second noise removal filter is disposed between the branch point and the second switching power supply in the second power line.