AMPLIFIER
    1.
    发明申请

    公开(公告)号:US20210036672A1

    公开(公告)日:2021-02-04

    申请号:US16791728

    申请日:2020-02-14

    Abstract: An amplifier includes: a first input transistor connected to a first input, a first output, and a power source or a ground, a second input transistor connected to a second input, a second output, and the power source or the ground; a first replica transistor connected to the first input, a detection node, and the power source or the ground; a second replica transistor connected to the second input, the detection node, and the power source or the ground; and a bias transistor connected to a bias voltage, the detection node, and the power source or the ground.

    CLASS-D AUDIO AMPLIFICATION CIRCUITRY AND ELECTRONIC DEVICE INCLUDING THE SAME

    公开(公告)号:US20240154587A1

    公开(公告)日:2024-05-09

    申请号:US18456914

    申请日:2023-08-28

    Inventor: Ji-Hun LEE

    CPC classification number: H03F3/2171 H03F1/26 H03F2200/03 H03F2200/351

    Abstract: Class-D amplification circuitry includes an operational amplifier configured to receive a differential input signal via summing nodes, and output a first signal, a loop filter configured to low-pass filter the first signal, a pulse width modulator configured to perform pulse width modulation on the filtered signal, a gate driver stage configured to generate a gate signal based on the modulated signal, an output stage configured to generate a differential output signal based on the gate signal, and a common mode canceller connected between an input node of the output stage and the summing nodes, the common mode canceller configured to generate an inverted pseudo output signal based on the differential output signal, and provide the inverted pseudo output signal the summing nodes, the inverted pseudo output signal cancelling a common mode noise when applied to a feedback signal provided to the summing nodes.

    ELECTRONIC DEVICE AND METHOD OF ACQUIRING USER INFORMATION IN ELECTRONIC DEVICE
    4.
    发明申请
    ELECTRONIC DEVICE AND METHOD OF ACQUIRING USER INFORMATION IN ELECTRONIC DEVICE 审中-公开
    电子设备和在电子设备中获取用户信息的方法

    公开(公告)号:US20170024442A1

    公开(公告)日:2017-01-26

    申请号:US15215721

    申请日:2016-07-21

    Abstract: Disclosed is an electronic device and a method of acquiring user information in an electronic device. The electronic device includes an input/output interface, a memory storing first user information, and a processor, configured to: when a first task of a first application executed by the electronic device is terminated, output via the input/output interface a query requesting second user information related to at least one of the first task and the first user information, and receive the requested second user information via a user input received by the input/output interface responsive to the query, and store the received second user information in the memory.

    Abstract translation: 公开了一种在电子设备中获取用户信息的电子设备和方法。 电子设备包括输入/​​输出接口,存储第一用户信息的存储器和处理器,被配置为:当由电子设备执行的第一应用的第一任务终止时,通过输入/输出接口输出查询请求 与所述第一任务和所述第一用户信息中的至少一个有关的第二用户信息,并且响应于所述查询,经由所述输入/输出接口接收的用户输入来接收所请求的第二用户信息,并将接收到的第二用户信息存储在 记忆。

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