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. 23, 2026
Filed:
Jun. 29, 2023
Guangdong Carrier Heating, Ventilation & Air Conditioning, Foshan, CN;
Qingjun Chen, Foshan, CN;
Shanghua Feng, Foshan, CN;
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Abstract
A switching power supply protection circuit includes a protection circuit, a switching circuit, a voltage feedback circuit, and a control circuit. The protection circuit is connected to the switching circuit, the voltage feedback circuit, and the control circuit, and controls output switch-on or output switch-off, controls switch-on or switch-off of the switching circuit, and controls the supply voltage. The switching circuit is connected to the control circuit and controls a working state of the control circuit. The voltage feedback circuit is connected to the control circuit and adjusts a control voltage and transmits the feedback voltage to the protection circuit. The control circuit is connected to a power supply and receives a voltage of the power supply for charging, provides a starting voltage for the protection circuit and controls the supply voltage according to the control voltage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile