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· Huawei all-around charger (Max 100W) for sale: USB-A/C fusion

On April 8th, KuaiTech reported that Huawei's all-around charger (Max 100W) has finally gone on sale, with this highly anticipated charger priced at 299 yuan.It offers two color options, cherry pink and white, and features a USB-A/C fusion interface.Supports a maximum charging power of 100W, is compatible with Huawei Supercharge ultra fast charging, and has passed the China Fusion Fast Charging UFCS protocol certification.According to the official introduction, this charger has an impressive charging speed. For Huawei nova 12 Pro, it only takes 10 minutes to replenish 60% of the battery; Mate 60 Pro can be charged to 98% in 30 minutes; The Mate X5 is charged to 86% within 30 minutes.In addition, Max 100 is compatible with various fast charging protocols such as PD, PPS, QC, etc., and is suitable for devices with various operating systems such as iOS, HarmonyOS, Android, etc.However, this charger adopts a fused port design, allowing users to only plug in one USB-A or USB-C cable at the...
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04-09
2024
· ZTE applies for a patent on lightning protection circuit and protection method for power supply, improving the problems of large sampling delay and low sensitivity in lightning protection

On April 9, 2024, the financial sector reported that according to the announcement of the China National Intellectual Property Administration, ZTE Corporation applied for a patent entitled "Lightning protection circuit and protection method of power supply", with the publication number of CN117856157A and the application date of September 2022.The patent abstract shows that the present application provides a lightning protection circuit and protection method for a power supply, which relates to the field of circuit technology and is used to improve the common problems of large sampling delay and low sensitivity of input lightning protection in totem bridge free PFC circuits. The circuit includes: a first current detection circuit, a control circuit, a first element, and a second element. The cathode of the first element is coupled with the positive output terminal of the totem bridge free PFC circuit, the anode of the first element is coupled with the cathode of the second element, an...
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04-09
2024
· Huawei applies for patents on switch mode power supply circuits, power adapters, and charging systems, which can reduce power loss

On April 9, 2024, the financial sector reported that according to the announcement of the China National Intellectual Property Administration, Huawei Technologies Co., Ltd. applied for a patent entitled "switching power supply circuit, power adapter and charging system", with the publication number of CN117856633A and the application date of September 2022.The patent abstract shows that a switching power supply circuit, power adapter, and charging system involve the field of electronic technology and can reduce power loss. Switching power supply circuit, including: control chip, power supply circuit, power supply control circuit, and optocoupler circuit; The optocoupler circuit is configured to output feedback voltage to the power supply control circuit; The power supply control circuit is configured to control the voltage output from the power supply circuit to the power pin of the control chip based on feedback voltage.
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04-09
2024
· Huamai Technology has been granted an invention patent authorization:

Securities Star News: According to data from Qichacha, Huamai Technology (603042) has obtained a new invention patent authorization, titled "A Smart Dust Cap for Adapters", with patent application number CN201810724677.8 and authorization date of April 5, 2024.Patent AbstractThe present invention discloses an adapter intelligent dust cap, which includes a base, a cover plate, a first spring, a second spring, a printed circuit board, and a chip. The base comprises a plug located at the front end, and a baffle is set at the root of the plug. The tail of the base has a protruding handle partition, and there is a hollow cavity between the handle partition and the baffle. There are two I-shaped grooves inside the cavity for installing the first spring and the second spring, respectively; The bottom of the cavity is equipped with a square groove for fixing the chip, and the first and second spring are respectively in contact and conductive with the positive and negative poles of the chip at...
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04-08
2024
· AVIC Optoelectronics has obtained a patent for an adapter and printed circuit board connector component, simplifying the structure of printed circuit board connector components

On April 8, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, AVIC Optoelectronics Technology Co., Ltd. has obtained an item entitled "An adapter and printed board connector assembly", the authorization announcement number is CN113904144B, and the application date is September 2021.The patent abstract shows that the present invention relates to an adapter and a printed circuit board connector assembly. The adapter is used to insert and connect the printed circuit board from bottom to top, including insulators and contacts. The contacts have a spring arm for elastic contact with the inserted printed circuit board. At least two front and rear arranged contact components form a contact component group, which is used to coordinate with the elastic contact arm on the left side of the plug-in printed board and the elastic contact arm on the right side of the plug-in printed board to clamp the plug-in printed b...
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04-08
2024

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