Wireless power receiving device, wireless power transmitting device, and control method therefor

    公开(公告)号:US11894692B2

    公开(公告)日:2024-02-06

    申请号:US17267996

    申请日:2019-08-14

    CPC classification number: H02J50/20 H02J50/40 H02J50/80 H02J50/90

    Abstract: A wireless power receiving device, according to the disclosure, comprises: at least one power receiving antenna for sequentially receiving a plurality of different RF waves formed by a wireless power transmitting device; a communication circuit; and at least one processor, wherein the at least one processor is configured to confirm a plurality of pieces of strength information that indicates the strength of each of the plurality of different RF waves, confirm a plurality of pieces of phase information corresponding to each of the plurality of different RF waves, confirm, on the basis of the plurality of pieces of strength information and the plurality of pieces of phase information, an optimum phase value such that a received RF wave has a maximum strength, and transmit a communication signal including information about the optimum phase value to the wireless power transmitting device through the communication circuit. Additional various embodiments are possible.

    METHOD AND SYSTEM FOR SIGN LANGUAGE TRANSLATION AND DESCRIPTIVE VIDEO SERVICE
    5.
    发明申请
    METHOD AND SYSTEM FOR SIGN LANGUAGE TRANSLATION AND DESCRIPTIVE VIDEO SERVICE 有权
    用于语音翻译和描述性视频服务的方法和系统

    公开(公告)号:US20150317304A1

    公开(公告)日:2015-11-05

    申请号:US14265880

    申请日:2014-04-30

    Abstract: A method and a system for a sign language translation and descriptive video service are disclosed. The method and system enables an easy preparation of video including a descriptive screen and a sign language so that a hearing-impaired person and a visually impaired person can receive a help for using a video media. The method includes extracting a character string in a text form from a caption of an original video; translating the character string in the text form extracted from the caption of the original video to a machine language; matching the character string translated to the machine language with a sign language video in a database; synchronizing the original video with the sign language video, and mixing the original video and the synchronized sign language video; and editing the sign language video with a sign language video editing tool.

    Abstract translation: 公开了一种用于手语翻译和描述性视频服务的方法和系统。 该方法和系统使得能够容易地准备包括描述性屏幕和手语的视频,使得听力受损的人和视障者可以接收使用视频媒体的帮助。 该方法包括从原始视频的标题中提取文本形式的字符串; 将从原始视频的标题提取的文本形式的字符串转换为机器语言; 将翻译成机器语言的字符串与数据库中的手语视频相匹配; 将原始视频与手语视频同步,混合原始视频和同步手语视频; 并用手语视频编辑工具编辑手语视频。

    INDUCTION DEVICE AND METHOD FOR SENSING EXTERNAL DEVICE BY INDUCTION DEVICE

    公开(公告)号:US20240328827A1

    公开(公告)日:2024-10-03

    申请号:US18744014

    申请日:2024-06-14

    CPC classification number: G01D5/20 G01R19/0092 G01R25/00 H05B6/1236

    Abstract: An induction device includes: a wireless power transmission circuit; a current sensor; and at least one processor connected to the wireless power transmission circuit and the current sensor, wherein the at least one processor is configured to output first power for detecting of an external device through the wireless power transmission circuit, identify a first phase of a first current by measuring the first current flowing through a transmission coil of the wireless power transmission circuit using the current sensor while outputting the first power, in a first state where the external device is not in proximity, identify a phase delay value between the first phase of the first current and a second phase of a second current, and identify a second state where the external device is in proximity when the identified phase delay value is equal to or greater than a designated threshold.

    Wireless power transmitter, wireless power receiver, and method of operating the same

    公开(公告)号:US12081044B2

    公开(公告)日:2024-09-03

    申请号:US18099029

    申请日:2023-01-19

    CPC classification number: H02J50/80 H02J50/12

    Abstract: According to embodiments, a wireless power transmitter may include: a communication module comprising communication circuitry; a power transmission circuit configured to transmit wireless power; and a processor. The processor may be configured to: establish a communication connection with a wireless power receiver using the communication module, control the communication module to transmit information about a first period to the wireless power receiver via the communication connection, control the power transmission circuit to transmit first power of a first frequency and a first magnitude to an outside, control the communication module to receive information about a second frequency of second power received at the wireless power receiver from the wireless power receiver via the communication connection, control the communication module to release the communication connection, based on the first frequency being different from the second frequency, and control the power transmission circuit to transmit third power of a magnitude different from the first magnitude of the first power to the outside during the first period, based on the first frequency corresponding to or substantially identical to the second frequency.

    Electronic device for wirelessly transmitting power and method of operating the same

    公开(公告)号:US12074457B2

    公开(公告)日:2024-08-27

    申请号:US17969283

    申请日:2022-10-19

    CPC classification number: H02J50/60 H02J50/12

    Abstract: A first electronic device for wirelessly transmitting power may include a power transmission circuit, memory, a pulse generator, a foreign object detection circuit configured to detect a foreign object located in a path in which power is wirelessly transmitted through the power transmission circuit, and a control circuit. The control circuit may be configured to wirelessly transmit power to a second electronic device, based on an alternating current (AC) input voltage applied to the power transmission circuit, generate a trigger signal synchronized with a first time corresponding to a specified voltage of the input voltage through the pulse generator, store an output value of the foreign object detection circuit in the memory based on the trigger signal, the output value being identified at the first time, continuously obtain the output value stored in the memory from the memory during a specified time until before the trigger signal of a next period is received at the memory from the pulse generator, and detect the foreign object based on the output value obtained during the specified time.

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