公开(公告)号：JP2010262871A

公开(公告)日：2010-11-18

申请号：JP2009114060

申请日：2009-05-09

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： IKEUCHI AKIRA ,  YAGISAWA TAKATOSHI

IPC分类号： H01R12/00 ,  H01R12/52 ,  H01R12/62 ,  H01R13/6461 ,  H01R13/6477 ,  H01R13/652 ,  H01R13/658 ,  H01R13/6581 ,  H05K1/14 ,  H05K3/46

CPC分类号： H01R12/62 ,  H01R12/57

摘要： PROBLEM TO BE SOLVED: To obtain superb high speed signal characteristics of a connection terminal for connecting a multilayer substrate with a multilayer substrate. SOLUTION: A lead terminal 100 includes a signal lead pin 200 and a GND lead pin 250, and the signal lead pin 200 connects a signal pattern 310 of a flexible substrate 300 with a signal pattern 410 of a rigid substrate 400. The GND lead pin 250 connects a GND pattern 330 of the flexible substrate 300 with a GND pattern 420 of the rigid substrate 400. A holder 110 is insulative and holds the signal lead pin 200 and the GND lead pin 250 with a space as a pair. A main part 230 of the signal lead pin 200 and a main part 280 of the GND lead pin 250 forms a microstrip structure MS2. COPYRIGHT: (C)2011,JPO&INPIT

摘要翻译： 要解决的问题：为了获得用于将多层基板与多层基板连接的连接端子的极好的高速信号特性。 引线端子100包括信号引线引脚200和GND引脚引脚250，并且信号引线引脚200将柔性基板300的信号图案310与刚性基板400的信号图案410连接。 GND引脚250将柔性基板300的GND图案330与刚性基板400的GND图案420连接。保持器110是绝缘的，并且以一对空间保持信号引线引脚200和GND引脚引脚250。 信号引线引脚200的主要部分230和GND引脚250的主要部分280形成微带结构MS2。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2008210962A

公开(公告)日：2008-09-11

申请号：JP2007045616

申请日：2007-02-26

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： YAGISAWA TAKATOSHI ,  IKEUCHI AKIRA

IPC分类号： H01S5/026 ,  G02F1/015 ,  H01L31/02 ,  H01S5/022

CPC分类号： H01L31/12 ,  G02B6/4246 ,  G02B6/43 ,  H01L2224/48091 ,  H01L2924/3011 ,  H01S5/02248 ,  H01S5/02284 ,  H05K1/028 ,  H05K2201/0394 ,  H01L2924/00014 ,  H01L2924/00

摘要： PROBLEM TO BE SOLVED: To make an optical device compact while keeping the high-frequency characteristics.
SOLUTION: An optical transmitter 100 comprises a light output portion 112 and an electric input portion 111a which are disposed in a housing 110. A driving circuit 120 is disposed in correspondence to the electric input portion 111a in the housing 110, while a light emitting element 130 is disposed in correspondence to the light output portion 112 in the housing 110. A flexible substrate 140 has a signal line 140a for connecting the driving circuit 120 and the light emitting element 130 while maintaining the characteristic impedance. The flexible substrate 140 has a cutout portion between the driving circuit 120 and the light emitting element 130.
COPYRIGHT: (C)2008,JPO&INPIT

摘要翻译： 要解决的问题：为了使光学装置紧凑而保持高频特性。 解决方案：光发射器100包括设置在壳体110内的光输出部分112和电输入部分111a。驱动电路120对应于壳体110中的电输入部分111a设置，而 发光元件130对应于壳体110中的光输出部分112设置。柔性基板140具有用于连续驱动电路120和发光元件130同时保持特性阻抗的信号线140a。 柔性基板140在驱动电路120和发光元件130之间具有切口部分。版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008187670A

公开(公告)日：2008-08-14

申请号：JP2007021808

申请日：2007-01-31

申请人： FUJITSU LTD

发明人： IKEUCHI AKIRA ,  YAGISAWA TAKATOSHI ,  CHO SHISEI

IPC分类号： H01P1/04 ,  H01R12/62 ,  H01P3/02 ,  H01S5/022

摘要： PROBLEM TO BE SOLVED: To improve the characteristics of high speed signal transmissions between multilayer boards. SOLUTION: A relay board 120 is the board that carries out the connection of a flexible board 130 to a printed circuit board 110. The relay board 120 has a predetermined thickness. A signal channel is introduced from a surface of the relay board 120 to the other surface thereof. A first electrode formed on a surface of the relay board 120 is connected to a signal line of the printed circuit board 110. A second electrode, formed on the other surface of the relay board 120, is connected to a signal line of the flexible board 130. The signal channel has a width, corresponding to the distance to a ground surface that is formed in response thereto. COPYRIGHT: (C)2008,JPO&INPIT

公开(公告)号：JP2005303974A

公开(公告)日：2005-10-27

申请号：JP2004251467

申请日：2004-08-31

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： IKEUCHI AKIRA

IPC分类号： H04B10/2507 ,  H04B10/07 ,  H04B10/2525 ,  H04B10/516 ,  H04B10/54 ,  H04B10/588 ,  H04B10/61 ,  H04B10/04 ,  H04B10/02 ,  H04B10/06 ,  H04B10/142 ,  H04B10/152 ,  H04B10/18

CPC分类号： H04B10/505 ,  H04B10/524

摘要： PROBLEM TO BE SOLVED: To provide a driving method of an optical modulator, which enables long-distance transmission by effectively suppressing transmission waveform deterioration due to a wavelength dispersion characteristic of a transmission path, and an optical transmitter and an optical transmission system using the driving method.
SOLUTION: An optical transmitter to which a driving method of an optical modulator is applied, includes an optical modulator 1 which generates an optical signal modulated in accordance with a data signal Din to send out the optical signal to the transmission path, and a driving apparatus 10 therefor, and the driving apparatus 10 comprises: a pattern detection circuit 11 which detects a "011" and a "110" in the data signal Din; a 2-bit delay circuit 12 which delays the data signal Din by 2 bits; a pulse width expansion circuit 13 which expands each pulse width in a second bit in the "011" and in the second bit in the "110" in a data signal D1 outputted from the 2-bit delay circuit 12, according to the pattern detection result of the pattern detection circuit 11; and a driving circuit 14 which drives the optical modulator 1 in accordance with the data signal in which the pulse width is expanded.
COPYRIGHT: (C)2006,JPO&NCIPI

摘要翻译： 解决的问题：提供一种光调制器的驱动方法，其能够通过有效地抑制由于传输路径的波长色散特性而导致的传输波形劣化，并且能够进行长距离传输，以及光发射机和光传输系统 使用驾驶方法。 解决方案：应用光调制器的驱动方法的光发送器包括：光调制器1，其生成根据数据信号Din调制的光信号，以将光信号发送到传输路径;以及 驱动装置10，驱动装置10包括：图形检测电路11，其检测数据信号Din中的“011”和“110”; 2位延迟电路12，其将数据信号Din延迟2位; 脉冲宽度扩展电路13，根据图案检测，从2位延迟电路12输出的数据信号D1中的“011”和“110”的第2位的第2位的脉冲宽度扩大 模式检测电路11的结果; 以及根据脉冲宽度扩大的数据信号驱动光调制器1的驱动电路14。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2000269896A

公开(公告)日：2000-09-29

申请号：JP7502499

申请日：1999-03-19

申请人： FUJITSU LTD

发明人： IKEUCHI AKIRA ,  INOUE TADAO ,  MATSUYAMA SATORU ,  TAKAUJI TOSHIYUKI ,  UENO NORIO

IPC分类号： H04B10/40 ,  H04B10/07 ,  H04B10/50 ,  H04B10/516 ,  H04B10/564 ,  H04B10/60 ,  H04B10/61 ,  H04B10/67 ,  H04B10/69 ,  H04L25/02 ,  H04B10/152 ,  H04B10/04 ,  H04B10/06 ,  H04B10/08 ,  H04B10/142

摘要： PROBLEM TO BE SOLVED: To attain stable burst optical transmission with a simple configuration with respect to a burst optical transmission circuit that converts burst data into an optical signal and transmits the converted signal. SOLUTION: The burst light transmission circuit is provided with a semiconductor laser 1, a photo diode 2 that monitors its optical output, a current/voltage conversion circuit 3 that converts an output current of the photo diode 2 into a voltage, an APC amplifier 4, a latch circuit 7 that latches an output signal from the APC amplifier 4 to obtain a current control signal, and a drive circuit 5 that supplies a drive current to the semiconductor laser 1 corresponding to the current control signal from the latch circuit 7 and data DATA received in terms of burst., and also with a data interruption detection circuit 6 that detects interruption of the data DATA to output a reset signal. The current control signal latched in the latch circuit 7 is reset by this reset signal.

公开(公告)号：JPH05167170A

公开(公告)日：1993-07-02

申请号：JP33465691

申请日：1991-12-18

申请人： FUJITSU LTD

发明人： MUTSUKAWA HIROYUKI ,  IKEUCHI AKIRA

IPC分类号： H01L31/12 ,  H01S5/068

摘要： PURPOSE:To stabilize the optical output of a semiconductor laser element with a simple circuit, by controlling each driving current according to the emission light of any one of semiconductor laser elements. CONSTITUTION:A photodiode 2 receives the optical output of an element out of semiconductor elements 11, 12,..., 1n constitution an integrated type semiconductor laser array 1, and converts it into a photo current. A current-voltage conversion part 3 converts the photo current into a voltage, and generates a signal showing the optical output level of the semiconductor laser element 11. A voltage distribution part 4 distributes the optical output level signal to the respective semiconductor laser elements 11, 12,..., 1n. In a driving signal setting part 5, each of the driving signal setting unit 51, 52,Sv, 5n generates in accordance with a distributed voltage a control signal for setting a driving current for each semiconductor laser element. Corresponding with the control signal, driving circuits 61, 62,..., 6n generate the respective driving currents, and drive a plurality of the corresponding semiconductor laser elements.

公开(公告)号：JP2011249215A

公开(公告)日：2011-12-08

申请号：JP2010122864

申请日：2010-05-28

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： KUWATA NAOKI ,  IKEUCHI AKIRA ,  YAGISAWA TAKATOSHI

IPC分类号： H01R12/71 ,  H01R12/78 ,  H01R12/79 ,  H01R24/00 ,  H01R33/76 ,  H05K1/18

CPC分类号： H01R12/714 ,  G02B6/4279 ,  G02B6/4281 ,  H01R12/62 ,  H05K1/0243 ,  H05K1/0245 ,  H05K1/0274 ,  H05K1/189 ,  H05K2201/10121 ,  H05K2201/1053

摘要： PROBLEM TO BE SOLVED: To provide a substrate and an IC socket such that connection places are decreased, an IC and substrate are connected without spoiling high frequency characteristics, and a mounting space is reduced.SOLUTION: A substrate includes an IC package and an IC socket on which the IC package is mounted, and the IC socket includes another substrate which has a step having a first surface and a second surface opposed to the substrate, and is positioned between the second surface and the substrate. The IC socket and the another substrate are connected together on the second surface and the IC socket and the substrate are connected together on the first surface.

摘要翻译： 要解决的问题：为了提供使连接位置减小的基板和IC插座，IC和基板连接而不破坏高频特性，并且安装空间减小。 解决方案：基板包括IC封装和IC封装，IC封装安装在IC插座上，IC插座包括另一基板，该基板具有具有与基板相对的第一表面和第二表面的台阶， 在第二表面和基底之间。 IC插座和另一基板在第二表面上连接在一起，并且IC插座和基板在第一表面上连接在一起。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2007329870A

公开(公告)日：2007-12-20

申请号：JP2006161507

申请日：2006-06-09

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： KUWATA NAOKI ,  IKEUCHI AKIRA ,  YAGISAWA TAKATOSHI

IPC分类号： H04L7/00 ,  H04B10/25 ,  H04B10/2507 ,  H04B10/2513 ,  H04B10/524 ,  H04B10/556 ,  H04B10/69 ,  H04J14/00 ,  H04J14/02

CPC分类号： H04J14/02 ,  H04B10/6971

摘要： PROBLEM TO BE SOLVED: To effectively perform deskew without using any complicated encoding system even when great skew occurs. SOLUTION: A skew detection processing unit 205 of a reception apparatus 200 detects skew S between synchronizing symbols of two different wavelengths among synchronizing symbols included in reception signals, a skew rough adjustment amount calculation processing unit 206 calculates a delay compensation amount of the reception signals based on the detected skew S and delay characteristics of the signals in a transmission line, and a variable delay processing unit 207a performs deskew on the reception signals based on the calculated delay compensation amount. COPYRIGHT: (C)2008,JPO&INPIT

摘要翻译： 要解决的问题：即使在发生大的偏差时，也不用使用任何复杂的编码系统来有效地执行偏斜校正。 解决方案：接收装置200的歪斜检测处理单元205检测包括在接收信号中的同步符号中的两个不同波长的同步符号之间的偏斜S，歪斜粗略调整量计算处理单元206计算延迟补偿量 基于检测到的偏差S和传输线中的信号的延迟特性的接收信号，并且可变延迟处理单元207a基于所计算的延迟补偿量对接收信号进行偏斜校正。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007287916A

公开(公告)日：2007-11-01

申请号：JP2006113454

申请日：2006-04-17

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： CHO SHISEI ,  IKEUCHI AKIRA ,  YAGISAWA TAKATOSHI

IPC分类号： H01L23/02 ,  H01L23/12

CPC分类号： H01L23/50 ,  H01L23/10 ,  H01L23/13 ,  H01L23/49822 ,  H01L23/49838 ,  H01L23/66 ,  H01L24/48 ,  H01L24/49 ,  H01L2223/6616 ,  H01L2224/05568 ,  H01L2224/05573 ,  H01L2224/16 ,  H01L2224/48227 ,  H01L2224/49175 ,  H01L2924/00014 ,  H01L2924/01019 ,  H01L2924/01068 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/14 ,  H01L2924/15153 ,  H01L2924/15165 ,  H01L2924/15174 ,  H01L2924/15311 ,  H01L2924/16152 ,  H01L2924/1617 ,  H01L2924/19051 ,  H01L2924/3011 ,  H01L2924/30111 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

摘要： PROBLEM TO BE SOLVED: To provide a surface mounting electronic component package capable of realizing signal transmission with less transmission loss and high cutoff frequency. SOLUTION: The electronic component package equipped with a dielectric substrate 11 provided on the top surface thereof with an electronic component 12 sealed therein, includes a first signal line 15 connected to the electronic component 12 and a first earth conductor 13 formed on the top surface of the dielectric substrate 11, and includes a second signal line 19 connected with an external connection electrode 20 and a second earth conductor 16 formed on the lower surface of the dielectric substrate 11. The first earth conductor 13 and the second earth conductor 16 are connected via an earth conductor via hole 26, and an in-substrate signal line 21 connected with the first signal line 15 and the second signal line 19 is surrounded by the first earth conductor 13 and the second earth conductor 16 vertically and by the earth conductor via hole 26 laterally, and is provided in the dielectric substrate 11. COPYRIGHT: (C)2008,JPO&INPIT

摘要翻译： 要解决的问题：提供一种能够实现具有较少传输损耗和高截止频率的信号传输的表面安装电子部件封装。 解决方案：在其顶表面上设置有密封在其中的电子部件12的电介质基板11包括连接到电子部件12的第一信号线15和形成在电子部件12上的第一接地导体13 并且包括与外部连接电极20连接的第二信号线19和形成在电介质基板11的下表面上的第二接地导体16.第一接地导体13和第二接地导体16 通过接地导体通孔26连接，并且与第一信号线15和第二信号线19连接的衬底内信号线21被第一接地导体13和第二接地导体16垂直和地球包围 导体通孔26横向，并设置在电介质基板11中。版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007060442A

公开(公告)日：2007-03-08

申请号：JP2005245067

申请日：2005-08-25

申请人： Fujitsu Ltd ,  富士通株式会社

发明人： IKEUCHI AKIRA

IPC分类号： H04B10/40 ,  H04B10/07 ,  H04B10/50 ,  H04B10/516 ,  H04B10/60 ,  H04B10/61 ,  H04B10/67 ,  H04B10/69

CPC分类号： H04B10/677

摘要： PROBLEM TO BE SOLVED: To provide an optical receiving circuit with an inexpensive configuration capable of demodulating a high-speed RZ-DPSK signal with high sensitivity.
SOLUTION: The received RZ-DPSK signal is led to an interferometer 11. The interferometer 11 is provided at its upper arm 11a with a 1-bit delay element 11c. A balanced photodiode 12 converts a set of optical signals outputted from the interferometer 11 into electric signals. A high pass filter 13 has a cut-off frequency nearly equal to a value represented by a bit rate of transmission data and filters a signal outputted from the balanced photodiode 12. A BPSK demodulation circuit 14 demodulates an output signal from the high pass filter 13.
COPYRIGHT: (C)2007,JPO&INPIT

摘要翻译： 要解决的问题：提供具有能够以高灵敏度解调高速RZ-DPSK信号的便宜配置的光接收电路。 解决方案：接收到的RZ-DPSK信号被引导到干涉仪11.干涉仪11在其上臂11a处设置有1位延迟元件11c。 平衡光电二极管12将从干涉仪11输出的一组光信号转换为电信号。 高通滤波器13的截止频率几乎等于由发送数据的比特率表示的值，并对从平衡光电二极管12输出的信号进行滤波.BPSK解调电路14对来自高通滤波器13的输出信号进行解调 。版权所有（C）2007，JPO＆INPIT