知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

14 records (took 0.017 seconds)

    SYMBOL POWER TRACKING AMPLIFICATION SYSTEM AND A WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME
    1.
    发明申请
    SYMBOL POWER TRACKING AMPLIFICATION SYSTEM AND A WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20200321917A1

    公开(公告)日：2020-10-08

    申请号：US16885488

    申请日：2020-05-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Takahiro Nomiyama ,  Ji-seon Paek ,  Dong-su Kim

    IPC: H03F1/02 ,  H04B7/0452 ,  H02M3/156 ,  H03G3/30 ,  H03F3/21 ,  H03F3/19 ,  H03F3/183

    Abstract: A symbol power tracking amplification system including: a modem to generate data and symbol tracking signals; a symbol tracking modulator including a control circuit, first and second voltage supply circuits and a switch circuit, the control circuit generates first and second voltage level control signals in response to the symbol tracking signal, the first voltage supply circuit generates a first output voltage in response to the first voltage level control signal, the second voltage supply circuit generates a second output voltage in response to the second voltage level control signal and the switch circuit outputs the first or second output voltages as a supply voltage in response to a switch control signal; an RF block to generate an RF signal based on the data signal from the modem; and a power amplifier to adjust a power level of the RF signal based on the supply voltage.

    Photographing apparatus and method of controlling the same
    2.
    发明授权
    Photographing apparatus and method of controlling the same 有权
    摄影装置及其控制方法

    公开(公告)号：US09479702B2

    公开(公告)日：2016-10-25

    申请号：US14183802

    申请日：2014-02-19

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dong-su Kim

    IPC: H04N5/232

    CPC classification number: H04N5/23293 ,  H04N5/23212

    Abstract: Provided are photographing apparatuses and methods of controlling the same. The photographing apparatuses may set an auto-focusing (AF) region according to a touch, a drag, and a touch release on a touchscreen, thereby making it possible to prevent the AF region from being easily shifted by an unintended touch of a user.

    Abstract translation: 提供了摄影装置及其控制方法。 拍摄装置可以根据触摸屏上的触摸，拖动和触摸释放设置自动对焦（AF）区域，从而可以防止AF区域被用户的非预期触摸容易地移动。

    Switching regulator generating continuous output delivery current and operating method thereof
    4.
    发明授权
    Switching regulator generating continuous output delivery current and operating method thereof 有权

    公开(公告)号：US11258359B2

    公开(公告)日：2022-02-22

    申请号：US16832245

    申请日：2020-03-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jong-beom Baek ,  Dong-su Kim ,  Jun-suk Bang

    IPC: H02M3/07 ,  H02M3/158

    Abstract: A switching regulator configured to generate an output voltage from an input voltage, includes an inductor, an output capacitor configured to generate the output voltage based on a current passing through the inductor, a flying capacitor, and a plurality of switches. The plurality of switches are configured to operate in at least one of a buck-boost mode or a boost mode to, charge the flying capacitor to the input voltage in a first phase, and provide a boosted voltage from the flying capacitor to the inductor in a second phase, the boosted voltage being generated by charge pumping from the input voltage.

    Symbol power tracking amplification system and a wireless communication device including the same
    6.
    发明授权
    Symbol power tracking amplification system and a wireless communication device including the same 有权

    公开(公告)号：US10686407B2

    公开(公告)日：2020-06-16

    申请号：US16504475

    申请日：2019-07-08

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Takahiro Nomiyama ,  Ji-seon Paek ,  Dong-su Kim

    IPC: H03F1/02 ,  H02M3/156 ,  H03G3/30 ,  H03F3/21 ,  H04B7/0452 ,  H03F3/19 ,  H03F3/183

    Abstract: A symbol power tracking amplification system including: a modem to generate data and symbol tracking signals; a symbol tracking modulator including a control circuit, first and second voltage supply circuits and a switch circuit, the control circuit generates first and second voltage level control signals in response to the symbol tracking signal, the first voltage supply circuit generates a first output voltage in response to the first voltage level control signal, the second voltage supply circuit generates a second output voltage in response to the second voltage level control signal and the switch circuit outputs the first or second output voltages as a supply voltage in response to a switch control signal; an RF block to generate an RF signal based on the data signal from the modem; and a power amplifier to adjust a power level of the RF signal based on the supply voltage.

    SYMBOL POWER TRACKING AMPLIFICATION SYSTEM AND A WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME
    7.
    发明申请
    SYMBOL POWER TRACKING AMPLIFICATION SYSTEM AND A WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20190334480A1

    公开(公告)日：2019-10-31

    申请号：US16504475

    申请日：2019-07-08

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Takahiro Nomiyama ,  Ji-seon Paek ,  Dong-su Kim

    IPC: H03F1/02 ,  H04B7/0452 ,  H02M3/156 ,  H03F3/183 ,  H03F3/21 ,  H03F3/19 ,  H03G3/30

    Abstract: A symbol power tracking amplification system including: a modem to generate data and symbol tracking signals; a symbol tracking modulator including a control circuit, first and second voltage supply circuits and a switch circuit, the control circuit generates first and second voltage level control signals in response to the symbol tracking signal, the first voltage supply circuit generates a first output voltage in response to the first voltage level control signal, the second voltage supply circuit generates a second output voltage in response to the second voltage level control signal and the switch circuit outputs the first or second output voltages as a supply voltage in response to a switch control signal; an RF block to generate an RF signal based on the data signal from the modem; and a power amplifier to adjust a power level of the RF signal based on the supply voltage.

    Supply modulator and communication device including the same
    8.
    发明授权
    Supply modulator and communication device including the same 有权

    公开(公告)号：US10305429B2

    公开(公告)日：2019-05-28

    申请号：US15690467

    申请日：2017-08-30

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Young-hwan Choo ,  Ji-seon Paek ,  Dong-su Kim

    IPC: H03G3/20 ,  H03F1/02 ,  H03F3/19 ,  H03F3/21 ,  H04B1/16 ,  H03F3/24 ,  H03F3/68 ,  H04B1/04

    Abstract: A supply modulator for providing a first power supply voltage and a second power supply voltage to a first power amplifier and a second power amplifier, respectively, includes a first modulation circuit including a linear regulator and a switching regulator, the first modulation circuit being configured to generate a first modulation voltage in accordance with envelope tracking, and provide the first modulation voltage to the first power amplifier as the first power supply voltage; and a single inductor multiple output converter configured to generate a first output voltage and a second output voltage based on an input voltage having a fixed level, provide the first output voltage to the linear regulator of the first modulation circuit as a power supply voltage, and provide the second output voltage to the second power amplifier as the second power supply voltage.

    Supply modulator and communication device including the same
    9.
    发明授权
    Supply modulator and communication device including the same 有权

    公开(公告)号：US10193500B2

    公开(公告)日：2019-01-29

    申请号：US15613705

    申请日：2017-06-05

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dong-su Kim ,  Ji-seon Paek

    IPC: H04L27/04 ,  H03F1/02 ,  H03F3/189 ,  H03F3/24

    Abstract: A supply modulator includes: a voltage generator including output terminals respectively outputting voltages having different levels, and configured to select, in response to a selection control signal corresponding to an envelope signal, at least one of the voltages as a selection supply voltage and to generate the selection supply voltage by performing DC-DC conversion on a power supply voltage; and a switch unit configured to connect an output terminal through which the selection supply voltage is output to a power amplifier, in response to a connection control signal corresponding to the envelope signal.

    Power supply modulator and wireless communication apparatus including the same
    10.
    发明授权
    Power supply modulator and wireless communication apparatus including the same 有权

    公开(公告)号：US10826436B2

    公开(公告)日：2020-11-03

    申请号：US16864483

    申请日：2020-05-01

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dong-su Kim ,  Jun-suk Bang

    IPC: H04W52/02 ,  H03F1/02 ,  H03F3/24 ,  H04B1/40

    Abstract: A power supply modulator includes: a linear regulator; a switching regulator; and a mode-based connection circuit. The mode-based connection circuit includes a coupling circuit configured to drop an output signal of the linear regulator by a target coupling voltage in an envelope tracking (ET) modulation mode; and a coupling voltage management circuit configured to monitor a coupling voltage of the coupling circuit in another modulation mode, and selectively apply a voltage to the coupling voltage based on a monitoring result such that the coupling voltage is maintained at the target coupling voltage.

Patent Agency Ranking