公开(公告)号：US20130004184A1

公开(公告)日：2013-01-03

申请号：US13609783

申请日：2012-09-11

申请人： Il-Soon JANG ,  Dae-Ho KIM ,  Sang-Kyu LIM ,  Tae-Gyu KANG

发明人： Il-Soon JANG ,  Dae-Ho KIM ,  Sang-Kyu LIM ,  Tae-Gyu KANG

IPC分类号： H04B10/00

CPC分类号： H04B10/116 ,  H04B10/1149 ,  H04J14/02

摘要： There is disclosed a visible light communication technology capable of intuitively recognizing a transmission speed, an alignment status, a communication status, or a transmission rate. A visible light communication apparatus according to an embodiment of the present invention includes: a light source selecting unit selecting at least one light source of a plurality of light sources generating lights having different wavelengths by considering intuitive information distinguished depending on a wavelength in a visible light band; and a visible light communication unit performing visible light communication by at least one selected light source to allow the intuitive information to be recognized by a color corresponding to at least one selected light source. Accordingly, a user using the visible light communication can intuitively know an optimal communication status or transmission speed.

公开(公告)号：US20130004183A1

公开(公告)日：2013-01-03

申请号：US13609766

申请日：2012-09-11

申请人： Il-Soon JANG ,  Dae-Ho KIM ,  Sang-Kyu LIM ,  Tae-Gyu KANG

发明人： Il-Soon JANG ,  Dae-Ho KIM ,  Sang-Kyu LIM ,  Tae-Gyu KANG

IPC分类号： H04B10/00

CPC分类号： H04B10/116 ,  H04B10/1149 ,  H04J14/02

摘要： There is disclosed a visible light communication technology capable of intuitively recognizing a transmission speed, an alignment status, a communication status, or a transmission rate. A visible light communication apparatus according to an embodiment of the present invention includes: a light source selecting unit selecting at least one light source of a plurality of light sources generating lights having different wavelengths by considering intuitive information distinguished depending on a wavelength in a visible light band; and a visible light communication unit performing visible light communication by at least one selected light source to allow the intuitive information to be recognized by a color corresponding to at least one selected light source. Accordingly, a user using the visible light communication can intuitively know an optimal communication status or transmission speed.

摘要翻译： 公开了能够直观地识别传输速度，对准状态，通信状态或传输速率的可见光通信技术。 根据本发明实施例的可见光通信装置包括：光源选择单元，通过考虑根据可见光中的波长区分的直观信息来选择产生具有不同波长的光的多个光源的至少一个光源 带; 以及可见光通信单元，其通过至少一个选择的光源执行可见光通信，以允许通过与至少一个所选择的光源相对应的颜色来识别直观信息。 因此，使用可见光通信的用户可以直观地知道最佳通信状态或传输速度。

公开(公告)号：US20120087677A1

公开(公告)日：2012-04-12

申请号：US13269197

申请日：2011-10-07

申请人： Il-Soon JANG ,  Dae Ho KIM ,  Sang-Kyu LIM ,  You Jin KIM ,  Tae-Gyu KANG

发明人： Il-Soon JANG ,  Dae Ho KIM ,  Sang-Kyu LIM ,  You Jin KIM ,  Tae-Gyu KANG

IPC分类号： H04B10/04

CPC分类号： H04B10/116

摘要： A transmitting apparatus using visible light communication generates a light source control signal from color information representing additional information and transmits additional information with a color of light that is emitted by a light source by controlling an on/off time of a plurality of LEDs according to the light source control signal. Therefore, a user can intuitively know additional information from a color of light that is emitted by the light source.

摘要翻译： 使用可见光通信的发送装置从表示附加信息的颜色信息生成光源控制信号，并通过控制多个LED的开/关时间根据光源发出由光源发出的光的颜色的附加信息 光源控制信号。 因此，用户可以直观地从光源发出的光的颜色知道附加信息。

公开(公告)号：US20070134000A1

公开(公告)日：2007-06-14

申请号：US11634925

申请日：2006-12-07

申请人： Sang Soo Lee ,  Sang-Kyu Lim ,  HyunWoo Cho ,  JeSoo Ko

发明人： Sang Soo Lee ,  Sang-Kyu Lim ,  HyunWoo Cho ,  JeSoo Ko

IPC分类号： H04B10/00

CPC分类号： H04B10/532

摘要： Provided is a polarization division multiplexed optical transmission system including a transmitter and a receiver. The transmitter includes a first light source generating an optical signal having a linear polarization state; a second light source generating an optical signal having a horizontal polarization state; a first signal generator receiving a first data stream to modulate the optical signal output from the first light source using an M method; a second signal generator receiving a second data stream to modulate the optical signal output from the second light source using an N method; and a polarization beam combiner (PBC) multiplexing the optical signals that were modulated using the M and N methods while maintaining the linear and horizontal polarization states.

摘要翻译： 提供了一种包括发射机和接收机的偏振分复用光传输系统。 发射机包括产生具有线偏振状态的光信号的第一光源; 产生具有水平极化状态的光信号的第二光源; 接收第一数据流的第一信号发生器，用于使用M方法调制从第一光源输出的光信号; 接收第二数据流的第二信号发生器，以使用N方法来调制从第二光源输出的光信号; 和偏振光束组合器（PBC），其复用使用M和N方法调制的光信号，同时保持线性和水平极化状态。

公开(公告)号：US07049902B2

公开(公告)日：2006-05-23

申请号：US10858925

申请日：2004-06-01

申请人： Seung Il Myong ,  Kwang Joon Kim ,  Jyung Chan Lee ,  Sang Kyu Lim

发明人： Seung Il Myong ,  Kwang Joon Kim ,  Jyung Chan Lee ,  Sang Kyu Lim

IPC分类号： H03H7/01 ,  H03J3/00 ,  H03J7/02

CPC分类号： H03H7/12

摘要： A tunable high-order Bessel low pass filter which is applied to a multi-rate duobinary generation system of an optical communication system. The tunable Bessel low pass filter comprises a variable inductor circuit including a plurality of variable inductors connected in series between an input signal terminal and an output signal terminal and controlled respectively by corresponding inductance control signals, a variable capacitor circuit including a plurality of variable capacitors connected respectively between corresponding connection nodes of the plurality of variable inductors of the variable inductor circuit and a ground terminal and controlled respectively by corresponding capacitance control signals, and a variable capacitor/inductor controller for outputting the corresponding capacitance control signals to the variable capacitors of the variable capacitor circuit and the corresponding inductance control signals to the variable inductors of the variable inductor circuit on the basis of preset values according to a given data rate, respectively. When the data rate of an application system is changed, the tunable Bessel low pass filter controls its filtering characteristics most appropriately to the changed data rate, so as to extend its application range and enhance performance and efficiency of the application system.

摘要翻译： 一种可调谐的高阶贝塞尔低通滤波器，适用于光通信系统的多速率二进制生成系统。 可调谐贝塞尔低通滤波器包括可变电感器电路，其包括串联连接在输入信号端子和输出信号端子之间的多个可变电感器，分别由相应的电感控制信号控制，可变电容器电路包括多个连接的可变电容器 分别在可变电感器电路的多个可变电感器的相应连接节点和接地端子之间分别由相应的电容控制信号控制;以及可变电容器/电感器控制器，用于将相应的电容控制信号输出到变量的可变电容器 电容器电路和相应的电感控制信号分别根据给定的数据速率在可变电感器的可变电感器的基础上进行预设值。 当应用系统的数据速率发生变化时，可调式贝塞尔低通滤波器最适合改变数据速率控制其滤波特性，从而扩展其应用范围，提高应用系统的性能和效率。

公开(公告)号：US09112606B2

公开(公告)日：2015-08-18

申请号：US13323331

申请日：2011-12-12

申请人： You Jin Kim ,  Tae-Gyu Kang ,  Sang-Kyu Lim ,  Dae Ho Kim ,  Il-Soon Jang

发明人： You Jin Kim ,  Tae-Gyu Kang ,  Sang-Kyu Lim ,  Dae Ho Kim ,  Il-Soon Jang

IPC分类号： H04B10/00 ,  H04B10/116

CPC分类号： H04B10/116

摘要： A transmitting apparatus using visible light communication generates transmission data into a two-dimensional data code according to a predetermined code method between the transmitting apparatus and a receiving apparatus and transmits the two-dimensional data code through a plurality of light emitting diodes (LED) that are arranged in a two-dimensional form. Therefore, the receiving apparatus senses light from a plurality of LEDs as an image using an image sensor, demodulates the image into a two-dimensional data code, decodes the two-dimensional data code using a code book, and restores data.

摘要翻译： 使用可见光通信的发送装置根据发送装置和接收装置之间的预定码法，将发送数据生成为二维数据码，并通过多个发光二极管（LED）发送二维数据码，该多个发光二极管 以二维形式排列。 因此，接收装置使用图像传感器感测来自多个LED的光作为图像，将图像解调为二维数据码，使用码本对二维数据码进行解码，并恢复数据。

公开(公告)号：US08977134B2

公开(公告)日：2015-03-10

申请号：US13609783

申请日：2012-09-11

申请人： Il-Soon Jang ,  Dae-Ho Kim ,  Sang-Kyu Lim ,  Tae-Gyu Kang

发明人： Il-Soon Jang ,  Dae-Ho Kim ,  Sang-Kyu Lim ,  Tae-Gyu Kang

IPC分类号： H04B10/116 ,  H04B10/114 ,  H04J14/02

CPC分类号： H04B10/116 ,  H04B10/1149 ,  H04J14/02

摘要： There is disclosed a visible light communication technology capable of intuitively recognizing a transmission speed, an alignment status, a communication status, or a transmission rate. A visible light communication apparatus according to an embodiment of the present invention includes: a light source selecting unit selecting at least one light source of a plurality of light sources generating lights having different wavelengths by considering intuitive information distinguished depending on a wavelength in a visible light band; and a visible light communication unit performing visible light communication by at least one selected light source to allow the intuitive information to be recognized by a color corresponding to at least one selected light source. Accordingly, a user using the visible light communication can intuitively know an optimal communication status or transmission speed.

摘要翻译： 公开了能够直观地识别传输速度，对准状态，通信状态或传送速率的可见光通信技术。 根据本发明实施例的可见光通信装置包括：光源选择单元，通过考虑根据可见光中的波长区分的直观信息来选择产生具有不同波长的光的多个光源的至少一个光源 带; 以及可见光通信单元，其通过至少一个选择的光源执行可见光通信，以允许通过与至少一个所选择的光源相对应的颜色来识别直观信息。 因此，使用可见光通信的用户可以直观地知道最佳通信状态或传输速度。

公开(公告)号：US08785810B2

公开(公告)日：2014-07-22

申请号：US13279716

申请日：2011-10-24

申请人： Jeong Woo Hyun ,  Jung Sub Lee ,  Sung Jin Lee ,  Sang Kyu Lim ,  Kwang Soo Kim ,  Jae Kwang Lee

发明人： Jeong Woo Hyun ,  Jung Sub Lee ,  Sung Jin Lee ,  Sang Kyu Lim ,  Kwang Soo Kim ,  Jae Kwang Lee

IPC分类号： B23K26/02 ,  B23K26/08 ,  G02B7/02

CPC分类号： B23K26/02 ,  B23K26/0648 ,  B23K26/08 ,  B23K26/082 ,  G02B7/02 ,  G02F1/1303 ,  G02F1/1309

摘要： According to example embodiments, a laser optical system includes a laser generator, at least one scan module, an objective lens, a relay lens, a review optical system, and a control device. The laser generator is configured to generate a laser beam. The at least one scan module is configured to reflect the laser beam generated by the laser generator and to direct the laser beam in different directions. The objective lens is configured to focus the laser beam on a substrate. The relay lens is configured to guide the laser beam scanned by the at least one scan module to within an incident range of the objective lens. The review optical system is configured to monitor, in real time, repair of the substrate using the laser beam. The control device is configured to control the at least one scan module.

摘要翻译： 根据示例实施例，激光光学系统包括激光发生器，至少一个扫描模块，物镜，中继透镜，复查光学系统和控制装置。 激光发生器被配置为产生激光束。 所述至少一个扫描模块被配置为反射由激光发生器产生的激光束并且将激光束引向不同的方向。 物镜配置成将激光束聚焦在基板上。 中继透镜被配置为将由至少一个扫描模块扫描的激光束引导到物镜的入射范围内。 检查光学系统被配置为实时地监视使用激光束修复衬底。 所述控制装置被配置为控制所述至少一个扫描模块。

公开(公告)号：US08542368B2

公开(公告)日：2013-09-24

申请号：US13310598

申请日：2011-12-02

申请人： Dae Ho Kim ,  Tae-Gyu Kang ,  Sang-Kyu Lim ,  Il-Soon Jang ,  You Jin Kim

发明人： Dae Ho Kim ,  Tae-Gyu Kang ,  Sang-Kyu Lim ,  Il-Soon Jang ,  You Jin Kim

IPC分类号： G01B11/14

CPC分类号： G01S11/12 ,  G01S5/16 ,  G01S5/163

摘要： A position measuring apparatus receives at least one precise position information set from at least one visible-light wireless communication device including a transmission light source, and upon receipt of the at least one precise position information ser, acquires a virtual distance based on the positions of transmission light sources imaged on an image sensor. Next, the position is measured according to the precise position information and the actual distance, virtual distance, and image sensor inclination based on this information.

摘要翻译： 位置测量装置从至少一个包括传输光源的可见光无线通信设备接收至少一个精确位置信息集，并且在接收到至少一个精确位置信息服务时，基于位置信息的位置获取虚拟距离 传输光源成像在图像传感器上。 接下来，基于该信息，根据精确位置信息和实际距离，虚拟距离和图像传感器倾角来测量位置。

公开(公告)号：US20130004182A1

公开(公告)日：2013-01-03

申请号：US13427714

申请日：2012-03-22

申请人： Dae-Ho KIM ,  Tae-Gyu KANG ,  Sang-Kyu LIM ,  Il-Soon JANG ,  You-Jin KIM

发明人： Dae-Ho KIM ,  Tae-Gyu KANG ,  Sang-Kyu LIM ,  Il-Soon JANG ,  You-Jin KIM

IPC分类号： H04B10/10

CPC分类号： H04B10/116

摘要： Disclosed herein are a visible light communication method and apparatus. The visible light communication method includes determining a dimming level variable to perform minute dimming control, selecting an upper dimming symbol and a lower dimming symbol, which belong to Variable Pulse Position Modulation (VPPM) symbols, based on the dimming level variable, determining at least one of the number of upper dimming symbols to be sent and the number of lower dimming symbols to be sent based on the dimming level variable, and generating a transmission sequence corresponding to the dimming level variable by combining the upper dimming symbols and the lower dimming symbols based on the number of symbols to be sent.

摘要翻译： 本文公开了可见光通信方法和装置。 可见光通信方法包括：基于调光电平变量确定调光电平变量以执行微调光控制，选择属于可变脉冲位置调制（VPPM）符号的上调光符号和下调光符号，至少确定 基于调光电平变量发送的上调光符号的数量和要发送的下调光符号的数量之一，以及通过组合上调光符号和下调光符号来生成与调光电平变量相对应的发送序列 基于要发送的符号数量。