SEMICONDUCTOR DEVICE
    42.
    发明公开

    公开(公告)号:US20230170891A1

    公开(公告)日:2023-06-01

    申请号:US18051138

    申请日:2022-10-31

    CPC classification number: H03K5/26 H03K3/037 H03K2005/00286

    Abstract: A semiconductor device includes: a data sampler configured to receive a data signal having a first frequency and to sample the data signal with a clock signal having a second frequency, higher than the first frequency, to output data for a time corresponding to a unit interval of the data signal; an error sampler configured to sample the data signal with an error clock signal having the second frequency and a phase, different from a phase of the clock signal, to output a plurality of pieces of error data for the time corresponding to the unit interval; and an eye-opening monitor (EOM) circuit configured to compare the data with each of the plurality of pieces of error data to obtain an eye diagram of the data signal in the unit interval.

    VARIABLE WIRELESS POWER TRANSMITTER INCLUDING PLURAL RESONATORS AND METHOD OF CONTROLLING THE WIRELESS POWER TRANSMITTER

    公开(公告)号:US20230155416A1

    公开(公告)日:2023-05-18

    申请号:US17987590

    申请日:2022-11-15

    CPC classification number: H02J50/005 H02J50/12 H02J50/402 H03H7/38

    Abstract: The disclosure provides a variable wireless power transmitter including a plurality of resonators and a method of controlling the variable wireless power transmitter. A wireless power transmitter of the disclosure may include: a housing; a power amplifier disposed inside the housing; a first resonator including at least one coil and fixed to a first portion of the housing; a second resonator including at least one coil, rotatably disposed at a second portion of the housing, and configured to form a variable angle with the first resonator; a sensor configured to sense a shape change based on rotation of the second resonator; a controller configured to: identify a shape change of the first resonator and the second resonator based on a signal sensed by the sensor, identify whether impedance is matched for the first resonator or the second resonator based on the identification of the shape change, and generate a control signal for impedance matching for the first resonator or the second resonator based on identifying that the impedance is not matched; and a matching circuit including at least one coil and at least one capacitor, electrically coupled between the power amplifier and the first resonator, and configured to perform impedance matching based on the control signal received from the controller.

    WIRELESS POWER TRANSMITTING DEVICE AND METHOD FOR DETECTING APPROACHING OBJECT BY WIRELESS POWER TRANSMITTING DEVICE

    公开(公告)号:US20230077067A1

    公开(公告)日:2023-03-09

    申请号:US17903472

    申请日:2022-09-06

    Abstract: The disclosure provides a wireless power transmitting device and a method for detecting an approaching object by the wireless power transmitting device. According to the disclosure, a wireless power transmitting device may comprise: a power amplifier, a transmission resonator including a coil, and configured to receive an electrical signal corresponding to a first frequency, which is output through the power amplifier, and to form a magnetic field by the received electrical signal corresponding to the first frequency to transmit power, an antenna configured in a shape corresponding to any one side of a symmetrical axis of a split ring resonator (SRR) antenna, disposed adjacent to the transmission resonator, and configured to receive a signal corresponding to a second frequency, a sensing circuit configured to sense at least part of the signal corresponding to the second frequency transmitted to the antenna, and a controller configured to identify whether a human body approaches, based on a signal sensed through the sensing circuit. A first terminal of the sensing circuit may be connected to a first portion of the antenna, and a second terminal of the sensing circuit may be connected to the coil of the transmission resonator.

    SEMICONDUCTOR DEVICE
    46.
    发明申请

    公开(公告)号:US20230074880A1

    公开(公告)日:2023-03-09

    申请号:US17830884

    申请日:2022-06-02

    Abstract: A semiconductor device includes a first device including first active regions and first to third structures thereon, and a second device including a second active region, a gate structure intersecting the second active region, and a source/drain region including a lower source/drain region on the second active region having first-type conductivity, an inter-source/drain region insulating layer on the lower source/drain region, and an upper source/drain region on the inter-source/drain region insulating layer and having second-type conductivity. The first structure includes first lower and upper impurity regions. The second structure includes a second lower impurity region having the first-type conductivity, an inter-impurity region insulating layer, and a second upper impurity region having the second-type conductivity. The third structure includes third lower and upper impurity regions having the second-type conductivity, the third upper impurity region having an impurity concentration higher than a that of the third lower impurity region.

    DIGITAL-TO-ANALOG CONVERTER INCLUDING CURRENT CELL ARRAY

    公开(公告)号:US20220399900A1

    公开(公告)日:2022-12-15

    申请号:US17837752

    申请日:2022-06-10

    Abstract: A digital-to-analog converter includes a current cell array including a plurality of current cells, each current cell of the plurality of current cells being configured to generate a current of a same magnitude; a first pattern connecting first current cells, among the plurality of current cells, arranged along a diagonal line of the current cell array; a second pattern connecting second current cells, among the plurality of current cells, arranged along a first oblique line parallel to the diagonal line; and a third pattern connecting third current cells, among the plurality of current cells, arranged along a second oblique line parallel to the diagonal line, the third pattern being electrically connected to the second pattern, wherein the diagonal line is between the first oblique line and the second oblique line.

    ELECTRONIC DEVICE TRANSMITTING WIRELESS POWER AND METHOD FOR DISPLAYING CHARGING INFORMATION FOR ELECTRONIC DEVICE

    公开(公告)号:US20220140630A1

    公开(公告)日:2022-05-05

    申请号:US17516989

    申请日:2021-11-02

    Abstract: According to the disclosure, an electronic device and a method for displaying charging information for the electronic device are provided. According to the disclosure, an electronic device comprises: a first resonator including at least one coil, a second resonator including at least one coil, at least one light emitting device including light emitting circuitry, at least one phase shifter including phase shifting circuitry, and a processor. The processor may be configured to: control the electronic device to receive a signal for changing a wirelessly chargeable area, control the at least one light emitting device to display a second wirelessly chargeable area changed from a first wirelessly chargeable area of the electronic device on a plane where the electronic device is placed in response to receiving the signal for changing the wirelessly chargeable area, and control the at least one phase shifter to supply phase-shifted power to the first resonator or the second resonator to output wireless power in a direction corresponding to the second wirelessly chargeable area.

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