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公开(公告)号：US10602512B2
公开(公告)日：2020-03-24
申请号：US15459479
申请日：2017-03-15
发明人： Gwang Zeen Ko , Hyun Duk Kang , Igor Kim , Myung Sun Song , Jin Hyung Oh
摘要： Disclosed are a method for transmitting and receiving a frame in a wireless local area network (WLAN) system and an apparatus for the same. A method for generating interference/non-interference station lists includes receiving a first frame from a second station, acquiring a receiver address of the first frame from the first frame, and setting, based on whether to receive a second frame that is a response to the first frame from a third station indicated by the receiver address within a preset time from a time when the first frame has been received, the third station as an interference station or a non-interference station. Therefore, the performance of a communication system may be improved.
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公开(公告)号：US10333714B2
公开(公告)日：2019-06-25
申请号：US15629611
申请日：2017-06-21
发明人： Jong-Hyouk Noh , Seok Hyun Kim , Soo Hyung Kim , Seung-Hyun Kim , Youngsam Kim , Sangrae Cho , Young Seob Cho , Jin-Man Cho , Seyoung Huh , Jung Yeon Hwang , Seung Hun Jin
摘要： A face recognition based key generation apparatus controls a key generation model that is formed of a CNN and an RNN to be learned to generate a desired key having a consistent value by using sample facial images of a key owner and a PIN of the key owner as inputs, and the key generation model receives a facial image of the key owner and the PIN of the key owner, as inputs at a desired key generation time, and generates a key.
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公开(公告)号：US10205524B2
公开(公告)日：2019-02-12
申请号：US15461214
申请日：2017-03-16
发明人： Geun Yong Kim , Hark Yoo , Sung Chang Kim , Dongsoo Lee
IPC分类号： H04B10/27 , H04J14/02 , H04B10/079
摘要： A method and an apparatus for setting a quiet window in a passive optical network system are provided. A first response time from a time after an optical line terminal (OLT) transmits a serial number request up to a time in which the OLT receives a first response signal to the serial number request is measured, and a second response time up to a time in which the OLT receives a final response signal to the serial number request is measured. In addition, distance information of an optical network unit (ONU) including the first response time and the second response time is acquired.
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公开(公告)号：US10197818B2
公开(公告)日：2019-02-05
申请号：US15678966
申请日：2017-08-16
发明人： Myungjoon Kwack , Jaegyu Park , Jiho Joo , Gyungock Kim
摘要： Provided is a thermo-optic optical switch including an input waveguide configured to receive an optical signal, an output waveguide configured to output the optical signal, branch waveguides branching from the input waveguide to be connected to the output waveguide, and heater electrodes disposed on the branch waveguides and configured to heat the branch waveguides, wherein the branch waveguides includes first and second phase shifters having first and second thermo-optic coefficients of opposite signs.
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公开(公告)号：US10151874B2
公开(公告)日：2018-12-11
申请号：US15792550
申请日：2017-10-24
发明人： Jiho Joo , Myungjoon Kwack , Gyungock Kim , Jaegyu Park
IPC分类号： G02B6/124 , G02B6/02 , G02B6/34 , G02F1/19 , G02F1/225 , G02F1/01 , G02B6/42 , G02B6/293 , G02B26/08
摘要： A wavelength division multiplexer is disclosed. The wavelength division multiplexer may include an input waveguide, in which a plurality of Bragg gratings for separating multiplexed optical signals into respective optical signals are provided, and a plurality of output waveguides connected to the input waveguide and configured to receive the optical signals separated by the plurality of Bragg gratings. The plurality of Bragg gratings may include a first Bragg grating including first protrusions each having a first width, and a second Bragg grating including second protrusions each having a second width larger than the first width. Each of the first and second protrusions may include a curved side surface, to which a corresponding one of the optical signals is incident.
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6.发明授权公开(公告)号：US10104283B2
公开(公告)日：2018-10-16
申请号：US15431612
申请日：2017-02-13
发明人： Seong Ho Lee , YoungHo Suh , Yoon-Seop Chang , Joonmyun Cho
IPC分类号： H04N5/232
摘要： Provided is a method for reproducing a situation using a mobile device having an image shooting function. The method may include extracting first keypoints from a live view output to a display of the mobile device, extracting second keypoints from a previously shot image, calculating a tilt of the mobile device at which the first keypoints are mapped to the second keypoints within a critical range, and synthesizing the previously shot image with the live view in a state where the mobile device has been adjusted according to guide information based on a result of the calculating.
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公开(公告)号：US10101633B2
公开(公告)日：2018-10-16
申请号：US15661996
申请日：2017-07-27
发明人： Jaegyu Park , Myungjoon Kwack , Jiho Joo , Gyungock Kim
摘要： Provided is an optical switch including a substrate, a first optical waveguide disposed on the substrate and having a conductive portion disposed on one surface thereof, and a second optical waveguide disposed on the substrate being spaced apart from the first optical waveguide and having an electrode portion disposed on one surface thereof. The electrode portion and the conductive portion face each other. The electrode portion controls an optical field between the first optical waveguide and the second optical waveguide.
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公开(公告)号：US20180139555A1
公开(公告)日：2018-05-17
申请号：US15870700
申请日：2018-01-12
发明人： Seung Kwon BEACK , Jeong Il SEO , Jong Mo SUNG , Tae Jin LEE , Dae Young JANG , Jin Woong KIM
IPC分类号： H04S3/00 , G10L19/20 , G10L19/008
CPC分类号： H04S3/008 , G10L19/008 , G10L19/0204 , G10L19/20 , H04S2400/03 , H04S2400/07
摘要： Disclosed are a multi-channel audio signal processing method and a multi-channel audio signal processing apparatus. The multi-channel audio signal processing method may generate N channel output signals from N/2 channel downmix signals based on an N-N/2-N structure.
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9.发明授权公开(公告)号：US09635692B2
公开(公告)日：2017-04-25
申请号：US14594578
申请日：2015-01-12
发明人： Sun Cheul Kim , Seung Woo Hong , Young Soo Shin , Ho Yong Ryu
CPC分类号： H04W76/12 , H04L61/256 , H04L61/2592 , H04W36/0011 , H04W36/12 , H04W76/11
摘要： Provided are methods of ensuring network continuity performed at a local gateway, a fixed gateway, and a network device. The method of ensuring network continuity performed at a local gateway includes establishing a tunnel with a fixed gateway serving as a relay between an Internet service server and the local gateway, and performing communication with the fixed gateway through the tunnel. Therefore, even when the type of an uplink signal received by a local gateway changes or the local gateway is in an uplink signal shadow area, a terminal connected to the local gateway can be provided with a seamless Internet service.
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公开(公告)号：US09503454B2
公开(公告)日：2016-11-22
申请号：US14056124
申请日：2013-10-17
发明人： Young Woo Jung , Chang Won Ahn , Joong Soo Lee
CPC分类号： H04L63/0853 , H04L63/0823 , H04L67/10 , H04W4/60
摘要： Provided are a smart card service method and an apparatus for performing the same. The smart card service method includes receiving a certificate generation request from a terminal, transmitting the certificate generation request to an authentication processing device, and storing credential information with respect to the generated certificate in a virtual machine associated with the terminal in response to a certificate generation success message provided from the authentication processing device. Thus, it is possible to reduce costs in accordance with manufacturing smart card hardware, and support smart card services in a more enhanced security environment.
摘要翻译： 提供了一种智能卡服务方法和用于执行该方法的装置。 所述智能卡服务方法包括从终端接收证书生成请求，将证书生成请求发送到认证处理设备，并且响应于证书生成，将关于所生成的证书的凭证信息存储在与终端相关联的虚拟机中 从认证处理设备提供的成功消息。 因此，可以根据制造智能卡硬件来降低成本，并且在更加增强的安全环境中支持智能卡服务。
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