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· REAL-DESIGN Intelligent Obtained Invention Patent Authorization:

Securities Star News: According to data from Qichacha, REAL-DESIGN Intelligence (301135) has obtained a new invention patent authorization, titled "A Water Purifier Circuit with Adaptor Power Supply", with patent application number CN201711193331.1 and authorization date of April 5, 2024.Patent abstractThe present invention discloses a water purifier circuit with an adapter power supply, including a microprocessor chip circuit, a power supply circuit and a detection circuit, and the power supply circuit has the function of supplying power; The detection circuit detects the components of the water purifier; Integrate the power circuit and detection circuit into one circuit board; The power circuit includes a first power sub circuit and a second power sub circuit. The first power sub circuit provides 24V DC power to the booster pump and solenoid valve of the water purifier; The output stage of the first power supply sub circuit is electrically connected to the input stage of the second...
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04-07
2024
· Zhida Technology adds patent information authorization: "A new type of POS machine power circuit"

Zhida Technology (873762) has added patent information, with Zhida Technology as the patent holder and inventors including Zhang Da, Sun Hongfei, Yong Jilin, Luan Feng, and Zou Feng. The patent authorization date is March 26, 2024, and the patent name is "A New POS Machine Power Circuit". The patent type is a Chinese utility model patent, and the patent application number is CN202322012702.9.The patent abstract shows that the present utility model discloses a novel POS machine power supply circuit, which includes a power supply, a primary BUCK-BOOST power supply circuit, a secondary power BUCK circuit, and an enable control circuit; The secondary power supply BUCK circuit comprises a first and second stage BUCK circuit and a second and second stage BUCK circuit; The power supply is electrically connected to the first stage BUCK-BOOST power circuit, and the first stage BUCK-BOOST power circuit is electrically connected to the first and second stage BUCK circuits and the second stage BU...
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04-07
2024
· China FAW has applied for a power supply control patent, which can reduce the significant consumption of battery power during vehicle parking

On April 6, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, FAW Corporation of China applied for a patent entitled "power supply control method, device, on-board terminal and vehicle", with the publication number of CN117818513A and the application date of December 2023.The patent abstract shows that the present application relates to a power supply control method, device, onboard terminal, and vehicle. The method comprises: determining whether the target vehicle is in a closed state based on the CAN bus signal of the controller local area network of the target vehicle; If so, monitor the static current of the target vehicle and determine if there are any abnormalities in the static current; When it is determined that there is an abnormality in the static current, disconnect the power relay of the target vehicle to control it to enter a locked state; Among them, in the locked state, the power supply of...
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04-07
2024
· Tonghui Electronics has obtained an invention patent authorization: "Voltage detection circuit and method for precision voltmeter used for high internal resistance power supply measurement"

Securities Star News: According to data from Qichacha, Tonghui Electronics (833509) has obtained a new invention patent authorization, titled "Voltage Detection Circuit and Method for Precision Voltage Meters Used for High Internal Resistance Power Supply Measurement". The patent application number is CN202111548643.6, and the authorization date is April 2, 2024.Patent AbstractThe present invention relates to a voltage detection circuit and method for a precision voltmeter used for measuring high internal resistance power sources, including an input clamp circuit, in-phase following circuit, bootstrap circuit, and range selection circuit. The present invention increases the input resistance of the voltmeter to over 200T Ω, reduces the input bias current to below 5fA, solves the problem that ordinary voltmeters cannot measure high internal resistance voltage sources, and also ensures the accuracy of the measurement results to reach 100ppm.Since the beginning of this year, Tonghui...
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04-03
2024
· Mentech has obtained patents for biphasic coupling inductors and power supplies, reducing the height of biphasic coupling inductors and making them lightweight and thin

On April 1, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Dongguan Mentech Co., Ltd. obtained a project entitled "A Biphase Coupling Inductor and Power Supply", with the authorization announcement number of CN107946046B, and the application date of December 2017.The patent abstract shows that an embodiment of the present invention discloses a biphasic coupled inductor and a power supply, comprising a first magnetic core, a second magnetic core, a first winding resistance, and a second winding resistance, with the first and second magnetic cores directly connected; There are 5 magnetic columns on the side connected to the second magnetic core in the first magnetic core. Each magnetic column is respectively the first side column, the first secondary center column, the main center column, the second secondary center column, and the second side column. A wire groove is formed between each adjacent two ma...
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04-03
2024

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