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CVTE Corporation has been granted utility model patent authorization: "Protection circuit and switching power supply"

Article Source：Securities Star | Author：Securities Star | Issuing Time：2024.04.09
Securities Star News: According to data from Qichacha, CVTE Corporation (002841) has newly obtained a utility model patent authorization, titled "Protection Circuit and Switching Power Supply", with patent application number CN202322069448.6 and authorization date of April 5, 2024.



Patent Abstract: This application provides a protection circuit and a switching power supply, which includes a detection module, a switch module, a control module, and a leakage protection module. The detection module is used to detect whether the switching power supply is overheated or overvoltage; The first end of the switch module is connected to the power supply, and its control end is connected to the detection module. The switch module can be configured to conduct when the detection module detects that the switch power supply is overheating or overvoltage; The control module includes protection pins, which are used to achieve the purpose of overvoltage protection or over temperature protection for the product when the detection module detects that the switch power supply is over temperature or over voltage to a certain extent (even if the voltage of the protection pin reaches the protection threshold); At the same time, the leakage protection module is connected to the second end of the switch module and the protection pin. The leakage protection module is configured to discharge the current when the switch module is disconnected, keep the protection pin in a high resistance state, and trigger the protection function of the control module through the protection pin when the switch module is conductive.

Since the beginning of this year, CVTE Corporation has obtained 214 new patent authorizations, an increase of 3.38% compared to the same period last year. Based on the company's mid year financial data for 2023, the company invested 622 million yuan in research and development in the first half of 2023, a year-on-year decrease of 3.44%.
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