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:
Sep. 20, 2022
Filed:
May. 20, 2021
Applicant:
Koji Tochitani, Atsugi, JP;
Inventor:
Koji Tochitani, Atsugi, JP;
Assignee:
MITSUMI ELECTRIC CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/155 (2006.01); H02M 1/44 (2007.01); H02M 3/158 (2006.01); H03F 3/45 (2006.01); H02M 1/00 (2006.01); H02M 1/15 (2006.01);
U.S. Cl.
CPC ...
H02M 3/155 (2013.01); H02M 1/44 (2013.01); H02M 3/158 (2013.01); H02M 1/007 (2021.05); H02M 1/0045 (2021.05); H02M 1/15 (2013.01); H03F 3/45475 (2013.01);
Abstract
A DC power supply device includes a switching power supply and a current stabilizing circuit connected in a pre-stage or a post-stage of the switching power supply. The DC power supply voltage device is configured to receive an input DC voltage from a DC power source via a power-supply line, convert the input DC voltage into a different DC voltage, and output the converted DC voltage.