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公开(公告)号：US20180130444A1
公开(公告)日：2018-05-10
申请号：US15805247
申请日：2017-11-07
Inventor： Seung Il MYONG , Dong Beom SHIN , Kang Bok LEE , Myung Nam BAE
IPC: G09G5/02
CPC classification number: G09G5/026 , G09G3/002 , G09G3/20 , G09G5/14 , G09G2320/02 , G09G2320/0626 , G09G2320/0666 , G09G2340/06 , G09G2340/12 , G09G2360/144
Abstract: An information image display apparatus includes an illuminance sensor sensing illuminance of incident light; a processor for determining a transmittance of a polarizer according to the illuminance sensed by the illuminance sensor, outputting a control signal according to the sensed illuminance, analyzing an entire or partial area of a foreground image of external environment to determine a dominant color of the entire or partial area, and displaying an information image using a color contrasted with dominant color; and a polarizer for selectively transmitting the incident light by adjusting a degree of polarization according to the control signal input from the processor.
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公开(公告)号：US20220167142A1
公开(公告)日：2022-05-26
申请号：US17534563
申请日：2021-11-24
Inventor： Seung Il MYONG , Woo Sug Jung , Mi Suk LEE
Abstract: Provided is a digital twin disaster management system customized to keep safety for urban underground tunnels, including: a sensor sub-system configured to detect environmental information, status information and image information in the urban underground tunnels; a digital twin model management sub-system configured to create and update a virtual space corresponding to the urban underground tunnels using information provided from the sensor sub-system and 3D space, insert various types of attributes into the virtual space, detect tagging information, predict the spread of each disaster, and infer a degree of risk of a management facility; a disaster management sub-system having a control function of conducting centralized supervision by displaying information about components installed in the urban underground tunnels in the metaverse space and recording a situation; and a network sub-system configured to provide the virtual space to a user terminal of an external inspector.
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公开(公告)号：US20190037348A1
公开(公告)日：2019-01-31
申请号：US16033404
申请日：2018-07-12
Inventor： Hoe Sung YANG , Seung Il MYONG , Kang Bok LEE , Jun Ho JIN
CPC classification number: H04W4/023 , G01C21/12 , G01C21/165 , G01S5/0072 , G01S5/0284 , G01S5/10 , H04W72/0446 , H04W72/048
Abstract: A method of measuring inter-device relative coordinates performed by a first device communicating with at least one second device belonging to a group to which the first device belongs includes measuring a range between the first device and the second device through communication with the second device; receiving range information between a plurality of second devices from the second device; calculating a plurality of solutions for inter-device relative coordinates using information about the range between the first device and the second device and the range information between the plurality of second devices; and deducing a true solution among the plurality of solutions for the inter-device relative coordinates using coordinates of each of the first device and the at least one second device with respect to a reference origin that is calculated using a Pedestrian Dead Reckoning (PDR) technique.
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公开(公告)号：US20150323419A1
公开(公告)日：2015-11-12
申请号：US14682416
申请日：2015-04-09
Inventor： Seung Il MYONG , Jyung Chan LEE , Hun Sik KANG , Won Kyoung LEE , Jin Hee HAN
IPC: G01M11/00
CPC classification number: G01M11/3145 , G01M11/31 , H04B10/071
Abstract: Provided is an apparatus and a method for partial monitoring of an optical fiber, wherein the optical fiber monitoring apparatus includes a monitoring light transmitter to continuously output a monitoring light to the optical fiber based on a number of measuring time sections generated by dividing an optical fiber monitoring time section, a monitoring light receiver to receive a monitoring light fed back from the optical fiber, measure a monitoring light received based on different measuring time sections for each monitoring light, and store a result of the measuring in a storage medium, and an optical fiber monitor to monitor a status of the optical fiber based on the result of the measuring stored in the storage medium.
Abstract translation: 本发明提供了一种用于部分监视光纤的装置和方法，其中，光纤监视装置包括：监视光发射机，其基于通过对光纤进行分割而产生的多个测量时间段，连续向光纤输出监视光 监视时间部分，用于接收从光纤反馈的监视光的监视光接收器，针对每个监视光，测量基于不同测量时间段接收到的监视光，并将测量结果存储在存储介质中，以及 光纤监视器，用于基于存储在存储介质中的测量结果监视光纤的状态。
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5.发明申请公开(公告)号：US20190288769A1
公开(公告)日：2019-09-19
申请号：US16265049
申请日：2019-02-01
Inventor： Hak June LEE , Seung Il MYONG , Hoe Sung YANG , Kang Bok LEE
Abstract: A communication method in a wireless communication system includes receiving, by a resonator unit of a first signal transfer apparatus, a wireless signal transmitted from a transmission apparatus, acquiring resonance energy from the wireless signal using at least one of a matcher unit and the resonator unit of the first signal transfer apparatus, transferring the wireless signal to one end of a transmission line via the matcher unit of the first signal transfer apparatus using the acquired resonance energy, transferring the wireless signal to a second signal transfer apparatus connected to an opposite end of the transmission line, and transmitting the wireless signal to a reception apparatus having a wireless link established with the second signal transfer apparatus using a matcher unit and a resonator unit of the second signal transfer apparatus.
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Patent Agency Ranking
6.发明申请OPTICAL PULSE OUTPUT APPARATUS AND METHOD FOR CONTROLLING WIDTH AND INTENSITY OF OPTICAL PULSE 审中-公开光脉冲输出装置和控制光脉冲宽度和强度的方法公开(公告)号：US20150098479A1
公开(公告)日：2015-04-09
申请号：US14303890
申请日：2014-06-13
Inventor： Jyung Chan LEE , Seung Il MYONG
CPC classification number: H01S5/06216 , H04B10/524
Abstract: An optical pulse output apparatus and method for controlling a width and an intensity of an optical pulse are provided. The optical pulse output apparatus may include a laser driver to control an optical pulse output by a laser, based on a plurality of channel signals, and a channel delay unit to delay at least one of the plurality of channel signals.
Abstract translation: 提供了用于控制光脉冲的宽度和强度的光脉冲输出装置和方法。 光脉冲输出装置可以包括激光驱动器，用于基于多个信道信号来控制由激光器输出的光脉冲，以及信道延迟单元，用于延迟多个信道信号中的至少一个。
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7.发明申请OPTICAL TRANSCEIVER FOR PERFORMING DATA COMMUNICATION AND OPTICAL LINK MONITORING, AND OPTICAL NETWORK SYSTEM 审中-公开用于执行数据通信和光链路监控的光学收发器和光网络系统公开(公告)号：US20140205282A1
公开(公告)日：2014-07-24
申请号：US14158487
申请日：2014-01-17
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE , Electronics and Telecommunications Research Institute
Inventor： Seung Il MYONG , Jyung Chan LEE , Won Kyoung LEE , Sang Soo LEE , Jun Ho LEE
IPC: H04B10/40 , H04B10/071
CPC classification number: H04B10/40 , G02B6/4246 , H04B10/071 , H04B10/272 , H04Q11/0067 , H04Q2011/0083
Abstract: An optical transceiver and an optical network system for performing a data communication and monitoring an optical link are disclosed. The optical transceiver may simultaneously perform the data communication and monitor the optical link, and a wavelength of an optical signal for the data communication and a wavelength of an optical signal for monitoring the optical link may be differently set.
Abstract translation: 公开了一种用于执行数据通信和监视光链路的光收发器和光网络系统。 光收发器可以同时执行数据通信并监视光链路，并且可以不同地设置用于数据通信的光信号的波长和用于监视光链路的光信号的波长的波长。
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8.发明申请OPTICAL TRANSMITTER AND OPTICAL TRANSCEIVER COMPRISING OPTICAL TRANSMITTER 审中-公开光学发射器和包含光学发射器的光学收发器公开(公告)号：US20140044436A1
公开(公告)日：2014-02-13
申请号：US13962292
申请日：2013-08-08
Inventor： Jie Hyun LEE , Seung Hyun CHO , Kyeong Hwan DOO , Seung Il MYONG
IPC: H04B10/40
CPC classification number: H04B10/40 , H01S3/08059 , H01S5/02284 , H01S5/028 , H01S5/141
Abstract: An optical transmitter and an optical transceiver including the same are provided. The optical transmitter may include a semiconductor laser diode to output optical signals, a multilayer thin film filter to receive the optical signals and pass optical signals corresponding to a transmission wavelength band, and a concave lens to collect the optical signals passed through the multilayer thin film filter.
Abstract translation: 提供了一种光发射机和包括其的光收发器。 光发射机可以包括用于输出光信号的半导体激光二极管，用于接收光信号并通过对应于透射波段的光信号的多层薄膜滤光器和用于收集通过多层薄膜的光信号的凹透镜 过滤。
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公开(公告)号：US20130170834A1
公开(公告)日：2013-07-04
申请号：US13728089
申请日：2012-12-27
Inventor： Seung-Hyun CHO , Jie Hyun LEE , Seung Il MYONG , Sang Soo LEE , Jong Hyun LEE , Eui Suk JUNG , Kwang Ok KIM
IPC: H04J14/02
CPC classification number: H04J14/0278 , H04J14/02 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/0282 , H04J14/0298 , H04J2014/0253
Abstract: Provided is a hybrid passive optical network (PON) system. The hybrid PON system of wavelength division multiplexing (WDM)/time division multiplexing (TDM) may include an optical line terminal (OLT) and an optical network unit (ONU). The OLT and the ONU may transmit a signal based on wavelength reuse using a seed light source and a reflective modulator. The light source may include a seed light source having a single wavelength, two seed light sources having different wavelength bands, and a light source having a wavelength tunable characteristic.
Abstract translation: 提供了一种混合无源光网络（PON）系统。 波分复用（WDM）/时分复用（TDM）的混合PON系统可以包括光线路终端（OLT）和光网络单元（ONU）。 OLT和ONU可以使用种子光源和反射调制器来发射基于波长重用的信号。 光源可以包括具有单个波长的种子光源，具有不同波长带的两个种子光源和具有波长可调特性的光源。
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10.发明申请OPTICAL FIBER LINK MONITORING APPARATUS AND METHOD CAPABLE OF TRACE-BASED AUTOMATIC GAIN CONTROL 审中-公开光纤链路监控装置和基于跟踪的自动增益控制方法公开(公告)号：US20160233956A1
公开(公告)日：2016-08-11
申请号：US15015628
申请日：2016-02-04
Inventor： Hun Sik KANG , Jong Hyun LEE , Jyung Chan LEE , Seung Il MYONG
IPC: H04B10/079 , H03G3/30
CPC classification number: H03G3/3084 , H04B10/071
Abstract: An optical fiber link monitoring apparatus for detecting a failure in an optical fiber link by analyzing a trace of a received signal that has been transmitted to and reflected from said optical fiber link. The optical fiber link monitoring apparatus includes a variable gain amplifier (VGA), an analog/digital converter (ADC), and a controller. The VGA amplifies a gain of the received signal, for which the ADC converts the gain-amplified signal into a digital signal. The controller then analyzes a digital signal trace and adjusts the gain of the VGA according to the analysis result.
Abstract translation: 一种光纤链路监视装置，用于通过分析已经发送到所述光纤链路并从所述光纤链路反射的接收信号的轨迹来检测光纤链路中的故障。 光纤链路监视装置包括可变增益放大器（VGA），模拟/数字转换器（ADC）和控制器。 VGA放大接收信号的增益，ADC将增益放大信号转换为数字信号。 然后控制器分析数字信号迹线，并根据分析结果调整VGA的增益。
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