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. 16, 2026
Filed:
Dec. 29, 2023
Applicant:
Aputure Imaging Industries Co., Ltd., Shenzhen, CN;
Inventors:
Assignee:
Aputure Imaging Industries Co., Ltd., Shenzhen, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/00 (2006.01); H05B 47/24 (2020.01);
U.S. Cl.
CPC ...
H02H 7/008 (2013.01); H05B 47/24 (2020.01);
Abstract
A power source circuit includes a first power source subcircuit. The first power source subcircuit includes a first overvoltage protection circuit, a first undervoltage protection circuit, a first drive circuit, and a first switching circuit. A cascade output result of the first over-voltage protection circuit and the first undervoltage protection circuit is used to control the first switching circuit for on-off control of the first power source subcircuit.