公开(公告)号：US20080019523A1

公开(公告)日：2008-01-24

申请号：US11661313

申请日：2005-08-31

申请人： Masaru Fuse ,  Satoshi Furusawa ,  Tsuyoshi Ikushima ,  Toru Shiozaki

发明人： Masaru Fuse ,  Satoshi Furusawa ,  Tsuyoshi Ikushima ,  Toru Shiozaki

IPC分类号： H04L9/00 ,  H04K1/00

CPC分类号： H04L9/088 ,  H04L9/12 ,  H04L2209/08

摘要： A data communication apparatus wherein the stealthiness has been enhanced by significantly increasing the time required for a wiretapper to decrypt an encrypted text. The data communication apparatus is constituted by connecting a data transmitting apparatus and a data receiving apparatus via a transmission path. The data transmitting apparatus receives a first predetermined initial value (key information) and information data, generates a multi-valued signal the level of which varies substantially like a random number, and converts the multi-valued signal to a modulated signal of a predetermined modulation format for transmission. The data receiving apparatus demodulates the modulated signal to output the multi-valued signal, and then reproduces the information data from the multi-valued signal and a second predetermined initial value (key information) that is received.

摘要翻译： 一种数据通信装置，其中通过显着增加窃听者解密加密文本所需的时间，增强了隐身性。 数据通信装置通过经由传输路径连接数据发送装置和数据接收装置构成。 数据发送装置接收第一预定初始值（密钥信息）和信息数据，生成其电平基本像随机数变化的多值信号，并将多值信号转换成预定调制信号 传输格式。 数据接收装置解调调制信号以输出多值信号，然后从多值信号再生信息数据和接收到的第二预定初始值（密钥信息）。

公开(公告)号：US06512621B1

公开(公告)日：2003-01-28

申请号：US09140658

申请日：1998-08-26

申请人： Masaru Fuse ,  Kuniaki Utsumi ,  Satoshi Furusawa

发明人： Masaru Fuse ,  Kuniaki Utsumi ,  Satoshi Furusawa

IPC分类号： H04B1004

CPC分类号： H03C3/00

摘要： A branch portion 101 branches an inputted electrical signal into an in-phase signal and an opposite phase signal which have an opposite relation as to a phase. A first FM laser 104 converts the in-phase signal into an optical frequency-modulated signal (a first optical signal) having a center wavelength &lgr;1 and then outputs the resultant signal. A second FM laser 105 converts the opposite phase signal into an optical frequency-modulated signal (a second signal) having a center wavelength &lgr;2 and then outputs the resultant signal. The two optical signals are combined and then inputted into an optical-electrical converting portion 106. The optical-electrical converting portion 106 subjects the inputted optical signals to optical heterodyne detection by its square-law detection characteristic, and outputs a beat signal between the two optical signals which is a wide-band FM signal at a frequency corresponding to a wavelength difference &Dgr;&lgr;(=|&lgr;1−&lgr;2|) between the first optical signal and the second optical signal. It is thus possible to increase frequency deviation of the outputted FM signal and thus greatly improve a CNR.

摘要翻译： 分支部101将输入的电信号分支成与相位相反的同相信号和相反相位信号。 第一FM激光器104将同相信号转换成具有中心波长lambd1的光调制信号（第一光信号），然后输出所得到的信号。 第二FM激光器105将相反相位信号转换成具有中心波长lambd2的光频调制信号（第二信号），然后输出所得到的信号。 两个光信号被组合，然后输入到光电转换部分106.光电转换部分106通过其平方律检测特性使输入的光信号进行光外差检测，并且在两个光电转换部分106之间输出拍频信号 光信号是与第一光信号和第二光信号之间的波长差DELTAlambd（= | lambd1-lambd2 |）对应的频率的宽带FM信号。 因此，可以增加输出的FM信号的频率偏差，从而大大提高CNR。

公开(公告)号：US07058300B2

公开(公告)日：2006-06-06

申请号：US10125392

申请日：2002-04-19

申请人： Keisuke Kinoshita ,  Satoshi Furusawa ,  Masaru Fuse ,  Susumu Morikura

发明人： Keisuke Kinoshita ,  Satoshi Furusawa ,  Masaru Fuse ,  Susumu Morikura

IPC分类号： H04B10/08 ,  H04B17/00 ,  H04L12/28 ,  H04L12/56

CPC分类号： H04B10/0775 ,  H04B2210/075

摘要： A transmitting-end device generates a pilot signal with a pilot signal generation section, and transmits a pilot signal to a receiving-end device. At the receiving-end device, a transmission rate modification section detects the transmission band of an optical transmission line based on the amplitude of the pilot signal, and decides a data transmission rate acceptable to the receiving-end device by taking into account the transmission band of the optical transmission line. Based on a maximum data transmission data acceptable to the transmitting-end device and the data transmission rate thus decided, a control section in the receiving-end device arbitrates a data transmission rate between it and the transmitting-end device.

摘要翻译： 发送终端装置利用导频信号生成部生成导频信号，并将导频信号发送到接收端装置。 在接收端设备，传输速率修改部分基于导频信号的幅度来检测光传输线的传输频带，并且通过考虑传输频带来确定接收端设备可接受的数据传输速率 的光传输线。 基于发送端设备可接受的最大数据传输数据和如此决定的数据传输速率，接收端设备中的控制部分仲裁其与发送端设备之间的数据传输速率。

公开(公告)号：US07218829B2

公开(公告)日：2007-05-15

申请号：US10972365

申请日：2004-10-26

申请人： Satoshi Furusawa ,  Masaru Fuse

发明人： Satoshi Furusawa ,  Masaru Fuse

IPC分类号： G02B6/26

CPC分类号： G02B6/266

摘要： An optical transmission module and method are capable of suppressing the occurrence of multiplexed reflection light, thereby making it possible to easily carry out an optical coupling operation at low cost. A loss generator having an attenuation factor determined based on an extinction ratio of a modulation signal is provided to attenuate reflection light in a transmission path, thereby making it possible to provide a low-cost optical transmission module, which ensures a practically satisfactory efficiency, without providing an optical isolator component. Also, in the optical transmission module, the intensity of light is adjusted by the loss generator. Thus, it is possible to realize the optical transmission module using an optical mounting technique with such accuracy as employed for an ordinary module.

摘要翻译： 光传输模块和方法能够抑制多路反射光的发生，从而可以以低成本容易地进行光耦合操作。 提供具有基于调制信号的消光比确定的衰减因子的损耗发生器来衰减传输路径中的反射光，从而可以提供一种低成本的光传输模块，其确保实际上令人满意的效率，而没有 提供光隔离器组件。 此外，在光传输模块中，光的强度由损耗发生器调节。 因此，可以以普通模块所采用的精度实现使用光学安装技术的光传输模块。

公开(公告)号：US20050089296A1

公开(公告)日：2005-04-28

申请号：US10972365

申请日：2004-10-26

申请人： Satoshi Furusawa ,  Masaru Fuse

发明人： Satoshi Furusawa ,  Masaru Fuse

IPC分类号： G02B6/26 ,  H04B10/04

CPC分类号： G02B6/266

摘要： An object of the present invention is to provide an optical transmission module and method capable of suppressing occurrence of multiplexed reflection light, thereby making it possible to easily carry out an optical coupling operation at low cost. A loss generator 4 having an attenuation factor determined based on an extinction ratio of a modulation signal Sm is provided to attenuate reflection light in a transmission path 5, thereby making it possible to provide a low-cost optical transmission module 10, which ensures a practically satisfactory efficiency, without providing an optical isolator component. Also, in the optical transmission module 10, the intensity of light is adjusted by the loss generator 4. Thus, it is possible to realize the optical transmission module using an optical mounting technique with such accuracy as employed for an ordinary module.

摘要翻译： 本发明的目的是提供一种能够抑制多路复用反射光的发生的光传输模块和方法，从而能够以低成本容易地执行光耦合操作。 提供具有基于调制信号Sm的消光比确定的衰减因子的损耗发生器4来衰减传输路径5中的反射光，从而可以提供一种低成本的光传输模块10，其实际上确保了 满意的效率，不提供光隔离器组件。 此外，在光传输模块10中，由损耗发生器4调节光的强度。 因此，可以以普通模块所采用的精度实现使用光学安装技术的光传输模块。

公开(公告)号：US06687465B2

公开(公告)日：2004-02-03

申请号：US10294759

申请日：2002-11-15

申请人： Masaru Fuse ,  Kuniaki Utsumi ,  Satoshi Furusawa

发明人： Masaru Fuse ,  Kuniaki Utsumi ,  Satoshi Furusawa

IPC分类号： H04B1004

CPC分类号： H03C3/00

摘要： A branch portion 101 branches an inputted electrical signal into an in-phase signal and an opposite phase signal which have an opposite relation as to a phase. A first FM laser 104 converts the in-phase signal into an optical frequency-modulated signal (a first optical signal) having a center wavelength &lgr;1 and then outputs the resultant signal. A second FM laser 105 converts the opposite phase signal into an optical frequency-modulated signal (a second signal) having a center wavelength &lgr;2 and then outputs the resultant signal. The two optical signals are combined and then inputted into an optical-electrical converting portion 106. The optical-electrical converting portion 106 subjects the inputted optical signals to optical heterodyne detection by its square-law detection characteristic, and outputs a beat signal between the two optical signals which is a wide-band FM signal at a frequency corresponding to a wavelength difference &Dgr;&lgr;(=|&lgr;1−&lgr;2|) between the first optical signal and the second optical signal. It is thus possible to increase frequency deviation of the outputted FM signal and thus greatly improve a CNR.

摘要翻译： 分支部101将输入的电信号分支成与相位相反的同相信号和相反相位信号。 第一FM激光器104将同相信号转换成具有中心波长λ1的光调制信号（第一光信号），然后输出所得到的信号。 第二FM激光器105将相反相位信号转换成具有中心波长λ2的光频调制信号（第二信号），然后输出所得到的信号。 两个光信号被组合，然后输入到光电转换部分106.光电转换部分106通过其平方律检测特性使输入的光信号进行光外差检测，并在两个光信号之间输出拍频信号 光信号，其是与第一光信号和第二光信号之间的波长差Deltalλ（= |λ1-λ2|）对应的频率的宽带FM信号。 因此，可以增加输出的FM信号的频率偏差，从而大大提高CNR。

公开(公告)号：US06909855B2

公开(公告)日：2005-06-21

申请号：US10734186

申请日：2003-12-15

申请人： Masaru Fuse ,  Kuniaki Utsumi ,  Satoshi Furusawa

发明人： Masaru Fuse ,  Kuniaki Utsumi ,  Satoshi Furusawa

IPC分类号： H04B10/516 ,  H03C3/00 ,  H04B10/2507 ,  H04B10/548 ,  H04B10/564 ,  H04B10/572 ,  H04B10/61 ,  H04B10/06

CPC分类号： H03C3/00

摘要： A branch portion 101 branches an inputted electrical signal into an in-phase signal and an opposite phase signal which have an opposite relation as to a phase. A first FM laser 104 converts the in-phase signal into an optical frequency-modulated signal (a first optical signal) having a center wavelength λ1 and then outputs the resultant signal. A second FM laser 105 converts the opposite phase signal into an optical frequency-modulated signal (a second signal) having a center wavelength λ2 and then outputs the resultant signal. The two optical signals are combined and then inputted into an optical-electrical converting portion 106. The optical-electrical converting portion 106 subjects the inputted optical signals to optical heterodyne detection by its square-law detection characteristic, and outputs a beat signal between the two optical signals which is a wide-band FM signal at a frequency corresponding to a wavelength difference Δλ(=|λ1−λ2|) between the first optical signal and the second optical signal. It is thus possible to increase frequency deviation of the outputted FM signal and thus greatly improve a CNR.

摘要翻译： 分支部101将输入的电信号分支成与相位相反的同相信号和相反相位信号。 第一FM激光器104将同相信号转换成具有中心波长λ1的光调制信号（第一光信号），然后输出所得到的信号。 第二FM激光器105将相反相位信号转换成具有中心波长λ2的光频调制信号（第二信号），然后输出所得到的信号。 将两个光信号组合，然后输入到光电转换部分106。 光电转换部分106通过其平方律检测特性使输入的光信号进行光外差检测，并且以对应于波长差的频率在作为宽带FM信号的两个光信号之间输出拍频信号 第一光信号和第二光信号之间的偏差（= |λ1-λ2 |）。 因此，可以增加输出的FM信号的频率偏差，从而大大提高CNR。

公开(公告)号：US08824892B2

公开(公告)日：2014-09-02

申请号：US13537567

申请日：2012-06-29

申请人： Hideaki Tamai ,  Satoshi Furusawa ,  Akiya Suzuki

发明人： Hideaki Tamai ,  Satoshi Furusawa ,  Akiya Suzuki

IPC分类号： H04B10/00 ,  H04L12/28 ,  H04L12/12 ,  H04B10/272

CPC分类号： H04B10/272 ,  H04L12/12 ,  H04L12/2861 ,  H04L12/287 ,  Y02D50/40

摘要： In an optical line terminal connectable to optical network units in an optical communication network, an receiver converts an upstream optical signal, received from an optical network unit, into a corresponding upstream electric signal and then derives an upstream control signal controlling the optical line terminal from the upstream electric signal. A controller generates a power control signal switching on or off power supply to the receiver on the basis of the upstream control signal, and a power feeder switches on or off the power supply to the receiver in response to the power control signal. Thus, the optical line terminal can reduce the waste of standby electricity.

摘要翻译： 在连接光通信网络中的光网络单元的光线路终端中，接收机将从光网络单元接收到的上行光信号转换成对应的上行电信号，然后将控制光线路终端的上行控制信号 上游电信号。 控制器基于上游控制信号产生接收或接通电源的功率控制信号，并且电源馈送器根据功率控制信号接通或关断接收机的电源。 因此，光线路终端可以减少备用电力的浪费。

公开(公告)号：US06865156B2

公开(公告)日：2005-03-08

申请号：US09876918

申请日：2001-06-11

申请人： Kazuyuki Horioka ,  Satoshi Furusawa ,  Hideki Ohashi ,  Haruki Uchida

发明人： Kazuyuki Horioka ,  Satoshi Furusawa ,  Hideki Ohashi ,  Haruki Uchida

IPC分类号： H04M3/36 ,  H04J3/14 ,  H04J3/16 ,  H04J3/18 ,  H04L12/28 ,  H04L12/801 ,  H04L12/877 ,  H04L12/911 ,  H04L12/917

CPC分类号： H04L47/822 ,  H04L12/5601 ,  H04L12/5602 ,  H04L47/20 ,  H04L47/22 ,  H04L47/41 ,  H04L47/70 ,  H04L47/828 ,  H04L2012/5631 ,  H04L2012/5636 ,  Y02D50/30

摘要： In a communication network in which a group of connections has an assigned group bandwidth and each connection in the group has a minimum bandwidth, bandwidth usage is controlled by calculating the total current bandwidth allowed to the group, subtracting the total current bandwidth from the assigned group bandwidth, and adding the difference to each connection's current bandwidth allowance to calculate an explicit rate, according to which the connection's bandwidth allowance is controlled. The explicit rate is altered to a minimum explicit rate when, for example, the total bandwidth exceeds the group bandwidth. The minimum explicit rate of each connection is preferably calculated on the basis of the sum of the minimum bandwidths of the active connections in the group. These measures improve the fairness of bandwidth usage control.

摘要翻译： 在其中一组连接具有分配的组带宽并且组中的每个连接具有最小带宽的通信网络中，通过计算允许到该组的总电流带宽来控制带宽使用，从该分配组中减去总电流带宽 带宽，并将差异添加到每个连接的当前带宽容限以计算显式速率，根据该限制，连接的带宽容限被控制。 当例如总带宽超过组带宽时，显式速率被改变为最小显式速率。 优选地，基于组中活动连接的最小带宽之和来计算每个连接的最小显示速率。 这些措施提高了带宽使用控制的公平性。

公开(公告)号：US06765177B2

公开(公告)日：2004-07-20

申请号：US10351192

申请日：2003-01-24

申请人： Tatsuya Noguchi ,  Satoshi Furusawa

发明人： Tatsuya Noguchi ,  Satoshi Furusawa

IPC分类号： B60L102

CPC分类号： C03C17/3673 ,  B32B17/10036 ,  B32B17/10174 ,  B32B17/10348 ,  B32B17/10761 ,  B32B17/10807 ,  C03C17/36 ,  C03C2217/948 ,  H05B3/84 ,  H05B3/86 ,  H05B2203/013 ,  H05B2203/016

摘要： The present invention provides a laminated glass sheet for windshield that includes a transparent conductive film and enables ITS communication. The laminated glass sheet includes a first bus-bar aranged along an upper end of the laminated glass sheet, and a second bus-bar arranged along a lower end of the laminated glass sheet, and the first busbar includes a protruding portion that extends toward the second bus-bar, and the transparent conductive film is not formed in a concave portion that is formed by the protruding portion. Since the concave portion can be used for the communication, the conductive film may be free from an opening.

摘要翻译： 本发明提供了一种用于挡风玻璃的夹层玻璃板，其包括透明导电膜并且能够进行ITS连通。 夹层玻璃板包括沿夹层玻璃板的上端排列的第一母线和沿夹层玻璃板的下端布置的第二母线，第一母线包括朝向 第二汇流条，并且透明导电膜不形成在由突出部形成的凹部中。 由于凹部可以用于连通，所以导电膜可以没有开口。