Huizhou (HK) Yingyuan Technology
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Securities Star News: According to data from Qichacha, Canrui Technology (688061) has recently obtained a utility model patent authorization, titled "A ROVP Circuit, Switching Power Supply Controller, and Switching Power Supply". The patent application number is CN202322140390. X, and the authorization date is April 2, 2024.Patent Abstract: This utility model discloses a ROVP circuit, a switching power supply controller, and a switching power supply, which relates to the field of switching power supply technology. The ROVP circuit includes a nonlinear positive temperature drift current source circuit, a ROVP port circuit, and a TOVP generator. The nonlinear positive temperature drift current source circuit outputs a nonlinear positive temperature drift current in response to the power signal, the ROVP port circuit converts the nonlinear positive temperature drift current into charging current, and the TOVP generator generates an overvoltage protection enable signal based on the chargi...
2024
Securities Star News: According to data from Qichacha, Haier Smart Home (600690) has newly obtained a utility model patent authorization, titled "Power Supply Group Status Transmission Circuit, Power Supply System and Air Conditioning". The patent application number is CN202321922917.8, and the authorization date is March 26, 2024.Patent AbstractThis application discloses a power supply group status transmission circuit, a power supply system, and an air conditioner, which relates to the technical field of air conditioning power supply equipment. The power supply power supply group status transmission circuit includes a power supply detection module, which has multiple power supply detection branches for the power supply power supply group. Each power supply detection branch is connected to the corresponding power supply in the power supply power supply group, and is used to detect the power supply status of the corresponding power supply power supply to obtain the corresponding power...
On April 4, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Shanghai Awinic Electronic Technology Co., Ltd. has obtained a patent entitled "a boost circuit and charger", with the authorization announcement number of CN109639110B and the application date of December 2018.The patent abstract shows that the present invention provides a boost circuit, comprising a high-voltage boost unit and a switching unit; The switch unit is connected to the high-voltage boosting unit, wherein the control end of the switch unit is connected to the first signal output end of the high-voltage boosting unit; When the high-voltage boosting unit determines that the output voltage of its output terminal is less than the threshold voltage, it outputs a first signal; When the control end of the switching unit receives the first signal, it will turn off itself to ensure the connection and disconnection between the high-voltage b...
On April 4, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Beijing Xiaomi Mobile Software Co., Ltd. has obtained a patent entitled "Charging circuit, charging control method and device", with the authorization announcement number of CN112821475B and the application date of November 2019.The patent abstract shows that the present disclosure relates to a charging circuit, charging control method, and device. Among them, the charging circuit is applied to the charger that charges the battery, including a central controller and a voltage and current conversion circuit. Among them, the voltage and current conversion circuit includes an input terminal and an output terminal. The input terminal of the voltage and current conversion circuit is electrically connected to the power supply, and the output terminal of the voltage and current conversion circuit is electrically connected to the battery; The voltage...
Securities Star News: According to data from Qichacha, Paineng Technology (688063) has newly obtained a utility model patent authorization, titled "A Power Supply Control Circuit", with patent application number CN202322434942.8, and the authorization date is April 5, 2024.Patent Abstract: This application provides a power supply control circuit, which includes a first power module and at least one second power module connected in parallel. The first power module and each second power module both include a battery and a control unit. The battery in the first power module is connected in parallel with the battery in at least one second power module, and the control unit in the first power module is connected in series with the control unit in at least one second power module; The first power module comprises a shutdown circuit, one end of which is connected to the positive pole of a battery in the first power module, and the other end of the shutdown circuit is connected to a control u...