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JOULWATT has been granted an invention patent: "A frequency regulation circuit, regulation method, and switching power supply for switching power supplies"

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.04.20
Securities Star News: According to data from Qichacha, JOULWATT (688141) has obtained a new invention patent authorization, titled "A Frequency Adjustment Circuit, Adjustment Method and Switching Power Supply for Switching Power Supply". The patent application number is CN202410014318.9, and the authorization date is April 19, 2024.

Patent Abstract

This application discloses a frequency regulation circuit, regulation method, and switching power supply for a switching power supply. By adjusting the light load regulation circuit, when the main power switch and the freewheeling switch are turned off for more than a preset time in intermittent working mode, the freewheeling switch is turned on, which increases the frequency of the system and reduces system noise. The freewheeling switch is also adjusted through feedback of the output voltage to stabilize the frequency and output voltage of the system, resulting in low system losses.


The attached figure of the patent abstract

Since the beginning of this year, JOULWATT has obtained 36 new patent authorizations, an increase of 227.27% compared to the same period last year. Based on the company's mid year financial data for 2023, the company invested 244 million yuan in research and development in the first half of 2023, a year-on-year increase of 69.88%.
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