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· Haier smart home has obtained utility model patent authorization:

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...
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04-10
2024
· Awinic Electronics has obtained patents for boost circuits and chargers, increasing the safety of boost circuits

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...
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04-10
2024
· Xiaomi has obtained patents for charging circuits, charging control methods, and devices, which can simultaneously meet the charging requirements of full power compatibility

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...
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04-10
2024
· PYLONTECH has been granted a utility model patent: "A power supply control circuit"

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...
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04-09
2024
· CVTE Corporation has been granted utility model patent authorization: "Protection circuit and switching power supply"

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...
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04-09
2024

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