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公开(公告)号：US11489342B2
公开(公告)日：2022-11-01
申请号：US17040778
申请日：2018-03-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chuangwei Li , Ke Ai , Tongjie Li , Jianzhong Zou
IPC: H02J7/00
Abstract: A charging method includes obtaining, by a charging device, a working status of a sensitive component in a terminal device, where the sensitive component interferes with a process in which the charging device charges the terminal device at a sensitive frequency, and the sensitive frequency is within a range of a charging frequency band of the charging device, determining, by the charging device, a safe charging parameter when the working status is an enabled state, where the safe charging parameter includes at least one of a safe charging frequency, a safe charging current, or a safe charging voltage, and charging, by the charging device, the terminal device using the safe charging parameter, where the sensitive component operates in a normal state when the wireless charging device charges the terminal device using the safe charging parameter.
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Patent Agency Ranking
公开(公告)号：US11429133B2
公开(公告)日：2022-08-30
申请号：US16496804
申请日：2017-06-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tongjie Li , Junyong Zhang , Xiaosong Liu
Abstract: A mobile terminal, including a clock generator, a first frequency conversion circuit, a first module, a second frequency conversion circuit, and a second module. The first frequency conversion circuit performs frequency conversion on a clock signal generated by the clock generator, to obtain a first clock signal, and outputs the first clock signal to the first module. The second frequency conversion circuit performs frequency conversion on the clock signal generated by the clock generator, to obtain a second clock signal, and outputs the second clock signal to the second module. The mobile terminal has an improved anti-electromagnetic interference capability.
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公开(公告)号：US20210104844A1
公开(公告)日：2021-04-08
申请号：US16496814
申请日：2017-11-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tongjie Li , Ke Ai , Bei Fu
IPC: H01R13/6592 , H01R13/6598 , H01R13/66 , H01R31/06 , H02J7/00
Abstract: The present invention provides a method for designing USB floating with low electromagnetic interference, especially in a scenario in which a distance between a pin and a metal housing of a USB interface of a terminal device is increasingly small. A first plug and a second plug are connected by using a connection cable having a first shield layer and a second shield layer. The first shield layer and the second shield layer overlap and there is no electrical connection between the first shield layer and the second shield layer. One end of the first shield layer is connected to a metal housing of the first plug, and the other end is suspended. One end of the second shield layer is connected to a metal housing of the second plug, and the other end is suspended. In addition, a metal housing of a first socket and a metal housing of a second socket may be connected to a housing of the terminal device or a housing of an adapter by using a capacitive component, thereby helping the terminal device reduce a short circuit risk and radiation.
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公开(公告)号：US20210103310A1
公开(公告)日：2021-04-08
申请号：US16496804
申请日：2017-06-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tongjie Li , Junyong Zhang , Xiaosong Liu
Abstract: A mobile terminal, including a clock generator, a first frequency conversion circuit, a first module, a second frequency conversion circuit, and a second module. The first frequency conversion circuit performs frequency conversion on a clock signal generated by the clock generator, to obtain a first clock signal, and outputs the first clock signal to the first module. The second frequency conversion circuit performs frequency conversion on the clock signal generated by the clock generator, to obtain a second clock signal, and outputs the second clock signal to the second module. The mobile terminal has an improved anti-electromagnetic interference capability.
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公开(公告)号：US11171454B2
公开(公告)日：2021-11-09
申请号：US16496814
申请日：2017-11-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tongjie Li , Ke Ai , Bei Fu
IPC: H01R13/6592 , H01R13/6598 , H01R13/66 , H01R31/06 , H02J7/00
Abstract: The present invention provides a method for designing USB floating with low electromagnetic interference, especially in a scenario in which a distance between a pin and a metal housing of a USB interface of a terminal device is increasingly small. A first plug and a second plug are connected by using a connection cable having a first shield layer and a second shield layer. The first shield layer and the second shield layer overlap and there is no electrical connection between the first shield layer and the second shield layer. One end of the first shield layer is connected to a metal housing of the first plug, and the other end is suspended. One end of the second shield layer is connected to a metal housing of the second plug, and the other end is suspended. In addition, a metal housing of a first socket and a metal housing of a second socket may be connected to a housing of the terminal device or a housing of an adapter by using a capacitive component, thereby helping the terminal device reduce a short circuit risk and radiation.
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公开(公告)号：US20210006080A1
公开(公告)日：2021-01-07
申请号：US17040778
申请日：2018-03-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chuangwei Li , Ke Ai , Tongjie Li , Jianzhong Zou
IPC: H02J7/00
Abstract: A charging method includes obtaining, by a charging device, a working status of a sensitive component in a terminal device, where the sensitive component interferes with a process in which the charging device charges the terminal device at a sensitive frequency, and the sensitive frequency is within a range of a charging frequency band of the charging device, determining, by the charging device, a safe charging parameter when the working status is an enabled state, where the safe charging parameter includes at least one of a safe charging frequency, a safe charging current, or a safe charging voltage, and charging, by the charging device, the terminal device using the safe charging parameter, where the sensitive component operates in a normal state when the wireless charging device charges the terminal device using the safe charging parameter.
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