Rolly keyboard
    14.
    发明授权

    公开(公告)号:US11366530B2

    公开(公告)日:2022-06-21

    申请号:US16322655

    申请日:2017-07-11

    Abstract: The present invention relates to a rolly keyboard. The rolly keyboard comprises: a body having a polygonal columnar shape; a scroll wheel formed in the body; a key assembly coupled to the body, wherein the key assembly comprises a plurality of key line portions in which the keys are disposed in each of a plurality of lines, wherein the plurality of key line portions are wound in the polygonal columnar shape of the body. Thus, scrolling can be accomplished by the scroll wheel.

    Wireless power transmission/reception apparatus and display system including the same

    公开(公告)号:US11984734B2

    公开(公告)日:2024-05-14

    申请号:US17616752

    申请日:2020-02-27

    Abstract: The present disclosure provides a display system including: a display apparatus; a wireless power reception apparatus configured to supply power to the display apparatus; and a wireless power transmission apparatus configured to emit a laser beam toward the wireless power reception module, wherein the wireless power reception module is formed as a bar type; and the wireless power transmission module comprises a light source configured to emit light of a specific wavelength as a laser beam, and a light shaping unit configured to shape the light of the light source and to convert the shaped light into a laser beam having a different cross-section and output the laser beam. Accordingly, by performing wireless power transmission using laser light, which satisfies the electromagnetic interference (EMI) requirements, wireless power may be transmitted to high-quality wall-mounted TVs and AV devices.

    Device and method for transmitting data in wireless power transmission system

    公开(公告)号:US11387866B2

    公开(公告)日:2022-07-12

    申请号:US17170322

    申请日:2021-02-08

    Abstract: A wireless power receiver for receiving wireless power from a wireless power transmitter and for transmitting a control packet to the wireless power transmitter in a wireless power transfer system, includes a power pick-up unit configured to receive wireless power from the wireless power transmitter via magnetic coupling with the wireless power transmitter, and to convert an AC signal generated by the wireless power to a DC signal, a communication/control unit configured to receive the DC signal from the power pick-up unit, and to perform control of the wireless power and a load configured to receive the DC signal from the power pick-up unit, wherein the communication/control unit is configured to transmit a control error packet including a control error value for the wireless power to the wireless power transmitter in a first time interval or a second time interval.

    Method and device for transmitting data in wireless power transmission system

    公开(公告)号:US11355971B2

    公开(公告)日:2022-06-07

    申请号:US17280503

    申请日:2019-07-11

    Abstract: The present disclosure relates to a method and a device for transmitting data in a wireless power transmission system. The method for transmitting data by a wireless power transmitter in a wireless power transmission system may comprise the steps of: receiving from a wireless power receiver, within a first control error interval, a first control error packet containing a control error value with respect to power transmitted from the wireless power transmitter; determining the size of a first data packet on the basis of the length of the first control error interval; and transmitting the first data packet to the wireless power receiver.

    Device and method for transmitting data in wireless power transmission system

    公开(公告)号:US10931332B2

    公开(公告)日:2021-02-23

    申请号:US16839714

    申请日:2020-04-03

    Abstract: The present invention relates to a device and method for transmitting data in a wireless power transmission system. The present specification discloses a wireless power reception device comprising: a power pickup unit configured to receive wireless power from a wireless power transmission device by magnetic coupling with the wireless power transmission device, and convert an AC signal generated by the wireless power into a DC signal; a communication/control unit configured to receive the DC signal from the power pickup unit and perform control of the wireless power; and a load configured to receive the DC signal from the power pickup unit. According to the present invention, a large amount of data can be easily exchanged between a wireless power transmission device and a wireless power reception device by adjusting a transmission time interval of a control error packet (CEP) and a timeout of the CEP.

    Display apparatus for vehicle
    19.
    发明授权

    公开(公告)号:US10203766B2

    公开(公告)日:2019-02-12

    申请号:US15496107

    申请日:2017-04-25

    Abstract: Disclosed is display apparatus for a vehicle including a display unit, a gesture sensing unit located around the display unit for sensing a 3D gesture made by an object, and a processor for generating a control signal based on the 3D gesture. The gesture sensing unit includes a first light-emitting unit for emitting a first group of rays along a first optical path, a second light-emitting unit for emitting a second group of rays along a second optical path, and a light-receiving unit for receiving a first group of reflected rays formed when the first group of rays is reflected by the object and a second group of reflected rays formed when the second group of rays is reflected by the object.

Patent Agency Ranking