POWER CONTROL METHOD AND APPARATUS USING BLUETOOTH-BASED COMMUNICATION IN WIRELESS POWER TRANSMITTING SYSTEM

    公开(公告)号:US20240356384A1

    公开(公告)日:2024-10-24

    申请号:US18579189

    申请日:2021-07-13

    CPC classification number: H02J50/80 H02J7/00045 H02J50/10 H02J50/40

    Abstract: The present disclosure provides a method, performed by a wireless power receiver, for receiving wireless power in a wireless power transmitting system, and an apparatus using the method, the method comprising: transmitting, to a wireless power transmitter, a configuration packet including a field regarding availability of out-of-band (OB) of the wireless power receiver; receiving, from the wireless power transmitter, a capability packet including a field regarding availability of OB of the wireless power transmitter; and establishing a Bluetooth low energy (BLE) connection with the wireless power transmitter on the basis of the configuration packet and the capability packet, wherein the wireless power receiver transmits a first BLE packet including a plurality of Qi packets to the wireless power transmitter through the LBE connection, and the wireless power receiver receives a response related to the first BLE packet from the wireless power transmitter through the BLE connection.

    METHOD AND APPARATUS FOR MEASURING QUALITY FACTOR IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20240204573A1

    公开(公告)日:2024-06-20

    申请号:US18287120

    申请日:2022-04-18

    CPC classification number: H02J50/60 H02J50/12 H02J50/402 H02J50/80 H04B5/79

    Abstract: The present disclosure provides a method for transmitting wireless power performed by a wireless power transmitter in a wireless power transmission system, and an apparatus using same, the method comprising: receiving information for detecting whether a foreign object (FO) exists from a wireless power receiver; detecting whether the FO exists before transmission of wireless power on the basis of the information; transmitting the wireless power to the wireless power receiver on the basis of detecting that the FO does not exist; and calculating a slot quality factor on a slot while transmitting the wireless power, wherein the slot quality factor is a quality factor used to determine whether an FO has been inserted while transmitting the wireless power, and a starting point of the slot is a point at which a voltage value of a coil in a wireless power transmitter is the maximum value and a current value of the coil is 0.

    METHOD AND DEVICE FOR CONTROLLING POWER OF MULTIPLE DEVICES IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20240055904A1

    公开(公告)日:2024-02-15

    申请号:US18280375

    申请日:2022-03-03

    CPC classification number: H02J50/40 H02J50/80 H02J7/00034

    Abstract: Provided are: a method for establishing out-band communication performed by a wireless power transmitter in a wireless power transmission system; and a device for using same. The method comprises the steps of: transmitting a plurality of pieces of capability information to a plurality of wireless power receivers respectively through in-band communication, wherein each of the plurality of pieces of capability information includes information about whether the wireless power transmitter supports the out-band communication; establishing the out-band communication with the plurality of wireless power transmitters on the basis of the transmission of the plurality of pieces of capability information; and exchanging power control information pertaining to the plurality of wireless power receivers with the plurality of wireless power receivers through the out-band communication.

    MASK APPARATUS AND METHOD FOR CONTROLLING THE SAME

    公开(公告)号:US20220016449A1

    公开(公告)日:2022-01-20

    申请号:US17245534

    申请日:2021-04-30

    Abstract: A mask apparatus includes a mask body having a fan module, a seal defining a breathing space, a pressure sensor sensing air pressure in the breathing space, a mask body cover coupled to the mask body, and a controller that controls a rotation speed of the fan module based on pressure values. The controller is configured to determine breathing information including a maximum pressure value and time point, and a minimum pressure value and time point, determine a breathing state of a user based on the breathing information, determine whether the breathing state is a steady state, determine a tidal volume of the user based on the breathing information, and control the rotation speed of the fan module based on the tidal volume.

    MASK APPARATUS AND METHOD FOR CONTROLLING THE SAME

    公开(公告)号:US20210402222A1

    公开(公告)日:2021-12-30

    申请号:US17231466

    申请日:2021-04-15

    Abstract: A mask apparatus includes a mask body, a fan module, a seal that defines a breathing space, a pressure sensor coupled to the mask body and configured to sense an air pressure in the breathing space, and a controller coupled to the mask body and configured to control a rotation speed of the fan module based on the air pressure. The controller is configured to determine a breathing cycle based on a maximum pressure value and a minimum pressure value among air pressure values sensed by the pressure sensor, determine a time difference between a maximum time point and a minimum time point, determine an expected time point of inhalation in a subsequent breathing cycle based on the breathing cycle and the time difference, and increase the rotation speed of the fan module based on a current time corresponding to the expected time point of inhalation.

    METHOD AND DEVICE FOR SLOT GENERATION IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20250105678A1

    公开(公告)日:2025-03-27

    申请号:US18705873

    申请日:2022-10-27

    Abstract: The present disclosure provides a method for transmitting wireless power, performed by a wireless power transmitter, in a wireless power transmission system, and a device using same, the method comprising: entering a power transmission phase associated with transmitting the wireless power to a wireless power receiver; generating a slot in the power transmission phase; and performing foreign object detection on the slot, wherein the wireless power transmitter transmits the wireless power to the wireless power receiver on the basis of a first operating frequency before generating the slot, the wireless power transmitter resumes transmitting the wireless power on the basis of a second operating frequency after the slot is ended, and the second operating frequency is a higher frequency than the first operating frequency.

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