公开(公告)号：US5218587A

公开(公告)日：1993-06-08

申请号：US545521

申请日：1990-06-29

Applicant: Takashi Nomiyama ,  Akemi Murakami ,  Shoji Yamaguchi ,  Kaoru Yasukawa ,  Daisuke Iguchi

Inventor： Takashi Nomiyama ,  Akemi Murakami ,  Shoji Yamaguchi ,  Kaoru Yasukawa ,  Daisuke Iguchi

IPC: G11B7/085 ,  G11B7/09 ,  G11B11/105

CPC classification number: G11B11/10576 ,  G11B11/10532 ,  G11B11/10571 ,  G11B7/08582 ,  G11B7/0927

Abstract: A magnetic optical recording/reproducing apparatus comprising: a movable focus adjusting member including converging means for converging a light beams emitted from a light source on a focal plane of an optical recording medium, focus coil means for driving the converging means in a direction substantially vertical to the plane of the optical recording medium by electromagnetic force when a current is applied, seek coil means for driving the converging means in a radial direction of the optical recording medium by electromagnetic force when a current is applied, and support means for supporting the focus coil means and the seek coil means; a carriage means for moving the movable focus adjusting member in the radial direction of the optical recording medium; and spring means fixed at one portion thereof to the movable focus adjusting member and the other end portion thereof to the carriage means for supporting the movable focus adjusting member to move the movable focus adjusting member to the carriage means in a direction substantially vertical to the plane of the optical recording medium.

公开(公告)号：USD856219S1

公开(公告)日：2019-08-13

申请号：US29645106

申请日：2018-04-24

Applicant: Hideo Koyama ,  Daisuke Iguchi

Designer： Hideo Koyama ,  Daisuke Iguchi

公开(公告)号：USD664904S1

公开(公告)日：2012-08-07

申请号：US29394420

申请日：2011-06-16

Applicant: Hideo Koyama ,  Daisuke Iguchi

Designer： Hideo Koyama ,  Daisuke Iguchi

公开(公告)号：US20100019863A1

公开(公告)日：2010-01-28

申请号：US12506804

申请日：2009-07-21

Applicant: Daisuke Iguchi

Inventor： Daisuke Iguchi

IPC: H03H7/01

CPC classification number: H01P1/215

Abstract: A composite right/left-handed line device includes plural electrodes, plural dielectric substances and plural magnetic substances. The plurality of electrodes each include a pair of electrode plates, and a connection piece connected to the pair of electrode plates. The plurality of electrodes are disposed at regular intervals in a thickness direction between a pair of input terminals and a pair of output terminals. The plurality of dielectric substances are interposed between opposite surfaces of the pairs of electrode plates of adjacent two of the electrodes. The plurality of magnetic substances are disposed adjacently to the dielectric substances, respectively. The plurality of magnetic substances are interposed between opposite surfaces of the connection pieces of adjacent two of the electrodes.

Abstract translation: 复合右/左手线装置包括多个电极，多个电介质物质和多个磁性物质。 多个电极各自包括一对电极板和连接到该对电极板的连接件。 多个电极在一对输入端子和一对输出端子之间沿厚度方向以规则的间隔设置。 多个电介质物质插入相邻两个电极的电极板对的相对表面之间。 多个磁性物质分别与电介质物质相邻设置。 多个磁性物质插入相邻的两个电极的连接片的相对表面之间。

公开(公告)号：US07149092B2

公开(公告)日：2006-12-12

申请号：US10828307

申请日：2004-04-21

Applicant: Daisuke Iguchi

Inventor： Daisuke Iguchi

IPC: H05K7/02 ,  H05K7/06 ,  H05K7/08 ,  H05K7/10

CPC classification number: H05K1/0251 ,  H01L24/16 ,  H01L2224/16225 ,  H01L2924/00014 ,  H01L2924/12042 ,  H05K1/0222 ,  H05K1/0231 ,  H05K1/0245 ,  H05K1/115 ,  H05K1/162 ,  H05K3/3447 ,  H05K3/429 ,  H05K2201/09236 ,  H05K2201/093 ,  H05K2201/09336 ,  H05K2201/0949 ,  H05K2201/09636 ,  H05K2201/09663 ,  H05K2201/09809 ,  H05K2201/10689 ,  H05K2201/10734 ,  H01L2924/00 ,  H01L2224/0401

Abstract: In a printed circuit board of the invention, a first signal wiring layer, a first ground layer, a second ground layer and a second signal wiring layer are laminated via an insulating material. A first signal wiring is formed on the first signal wiring layer and a second signal wiring is formed on the second signal wiring layer. The two signal wirings are connected via a first through hole. The conductive first ground layer and the conductive second ground layer are connected via a second through hole. The second through hole is insulated from the first through hole and formed so as to surround the first through hole.

Abstract translation: 在本发明的印刷电路板中，通过绝缘材料层叠第一信号布线层，第一接地层，第二接地层和第二信号布线层。 第一信号布线形成在第一信号布线层上，第二信号布线形成在第二信号布线层上。 两个信号布线通过第一通孔连接。 导电第一接地层和导电第二接地层经由第二通孔连接。 第二通孔与第一通孔绝缘并形成为围绕第一通孔。

公开(公告)号：USD528469S1

公开(公告)日：2006-09-19

申请号：US29235202

申请日：2005-07-29

Applicant: Tadayuki Yakushi ,  Daisuke Iguchi ,  Atsushi Hirose ,  Naoyuki Nakamura ,  Yuji Fujiwara ,  Takashi Hagino ,  Sotiris Kovos

Designer： Tadayuki Yakushi ,  Daisuke Iguchi ,  Atsushi Hirose ,  Naoyuki Nakamura ,  Yuji Fujiwara ,  Takashi Hagino ,  Sotiris Kovos

公开(公告)号：US06166457A

公开(公告)日：2000-12-26

申请号：US68763

申请日：1998-08-11

Applicant: Daisuke Iguchi ,  Osamu Ueno

Inventor： Daisuke Iguchi ,  Osamu Ueno

IPC: H05K1/02 ,  H05K1/16

CPC classification number: H05K1/0231 ,  H05K1/023 ,  H05K2201/09309 ,  H05K2201/10022 ,  H05K2201/10446 ,  H05K2201/10522 ,  H05K2201/10636 ,  H05K2201/10689 ,  Y02P70/611

Abstract: A printed wiring board device used for electronic equipment, such as the information equipment, etc. A printed wiring board (10) has a power source layer (11) and a ground layer (12) and is mounted with active elements (3 and 4), such as digital ICs, etc. A first capacitor (1) which conductively couples the layers (11 and 12) with each other at a high frequency is provided in the peripheral section of one end side or the other end side of the section of the board (10) where the layers (11 and 12) are faced to each other. Second capacitors (2) which respectively supply transient currents to the active elements (3 and 4) are provided between the power supply pins (3V and 4V) of the elements (3 and 4) and the ground layer (12) near the elements (3 and 4). Therefore, the electromagnetic radiation caused by the power source layer (11) and the ground layer (12) of the printed wiring board (10) can be suppressed easily and remarkably.

Abstract translation: PCT No.PCT / JP97 / 03566 Sec。 371日期：1998年8月11日 102（e）1998年8月11日PCT 1997年10月6日PCT PCT。 第WO98 / 16092号公报 日期：1998年04月16日印刷电路板（10）具有电源层（11）和接地层（12），并且安装有活性物质 诸如数字IC等的元件（3和4）等。在一端侧或另一端的周边部分设置有以高频率将层（11和12）彼此导电耦合的第一电容器（1） 其中层（11和12）彼此面对的板（10）的截面的端侧。 分别向有源元件（3和4）提供瞬态电流的第二电容器（2）设置在元件（3和4）的电源引脚（3V和4V）与​​元件附近的接地层（12）之间 3和4）。 因此，可以容易且显着地抑制由印刷电路板（10）的电源层（11）和接地层（12）引起的电磁辐射。

公开(公告)号：US5367514A

公开(公告)日：1994-11-22

申请号：US981339

申请日：1992-11-25

Applicant: Hideo Kobayashi ,  Osamu Ueno ,  Daisuke Iguchi

Inventor： Hideo Kobayashi ,  Osamu Ueno ,  Daisuke Iguchi

IPC: G11B7/125 ,  G11B7/24

CPC classification number: G11B7/126 ,  Y10S430/146

Abstract: Disclosed is an optical recording device of a phase change type including at least an optical recording medium having a recording layer formed of a recording material of a phase change type, and a control unit for controlling a unit laser beam, which is to be radiated for writing information onto the optical recording medium to form a recording mark, in such a manner that, when the unit laser beam is divided into front and rear portions with the middle point of the radiated portion of the recording medium as the boundary, the quantity of energy of the rear portion of the unit laser beam is greater than that of the front portion thereof. Also, in the optical recording device, when a recording mark is formed according to a multi-pulse recording system using a multi-pulse laser beam, the multi-pulse laser beam, at least the first pulse thereof is controlled so as to satisfy a similar condition as described above and after then the controlled multi-pulse laser beam or the controlled first pulse thereof is radiated.

Abstract translation: 公开了一种相变型的光记录装置，该光记录装置至少包括具有由相变型记录材料形成的记录层的光记录介质和用于控制要被辐射的单位激光束的控制单元 将信息写入光记录介质以形成记录标记，使得当单位激光束被分成具有记录介质的辐射部分的中点作为边界的前后部分时， 单位激光束的后部的能量大于其前部的能量。 此外，在光记录装置中，当根据使用多脉冲激光束的多脉冲记录系统形成记录标记时，多脉冲激光束至少控制其第一脉冲以满足 类似的条件如上所述，然后照射受控多脉冲激光束或受控的第一脉冲。

公开(公告)号：US5247503A

公开(公告)日：1993-09-21

申请号：US875307

申请日：1992-04-29

Applicant: Takashi Nomiyama ,  Kaoru Yasukawa ,  Kiichi Ueyanagi ,  Shoji Yamaguchi ,  Daisuke Iguchi ,  Akemi Murakami

Inventor： Takashi Nomiyama ,  Kaoru Yasukawa ,  Kiichi Ueyanagi ,  Shoji Yamaguchi ,  Daisuke Iguchi ,  Akemi Murakami

IPC: G11B7/09

CPC classification number: G11B7/0901

Abstract: A fixed section of an optical recording and reproducing apparatus is provided with an actuator for optically controlling the fine tracking of a laser beam to be held at a predetermined position, by moving a diverging convex lens of a relay lens in a direction perpendicular to that of the optical axis; first and second filter circuits for separating a tracking error signal outputted from a differential amplifier connected to a two-split light-receiving element into a high-frequency-side signal and a low-frequency-side signal respectively; a first driving control circuit for controlling the driving of a linear motor for moving a movable section of the apparatus on the basis of the low-frequency-side signal separated by the first filter circuit; and a second driving control circuit for controlling the driving of the actuator on the basis of the high-frequency-side signal separated by the second filter circuit.

Abstract translation: 光学记录和再现装置的固定部分设置有致动器，用于通过使中继透镜的发散凸透镜沿垂直于预定位置的方向垂直的方向移动光学地控制待保持在预定位置的激光束的精细跟踪 光轴; 第一和第二滤波器电路，用于将从连接到二分割光接收元件的差分放大器输出的跟踪误差信号分别分离成高频侧信号和低频侧信号; 第一驱动控制电路，用于根据由第一滤波器电路分离的低频侧信号来控制线性电动机的驱动，用于移动装置的可移动部分; 以及第二驱动控制电路，用于基于由第二滤波器电路分离的高频侧信号来控制致动器的驱动。

公开(公告)号：US5220547A

公开(公告)日：1993-06-15

申请号：US770113

申请日：1991-10-02

Applicant: Kaoru Yasukawa ,  Daisuke Iguchi ,  Kiichi Ueyanagi

Inventor： Kaoru Yasukawa ,  Daisuke Iguchi ,  Kiichi Ueyanagi

IPC: G11B7/085 ,  G11B21/08

CPC classification number: G11B7/08529 ,  G11B7/08541

Abstract: This invention has an object to provide speed control method and device for an optical head in which a decelerating operation and so on for the optical head is carried out at an uniform deceleration or acceleration mode at high speed, and a speed control is carried out sufficiently accurately with excellent seekability and simple construction. The speed control device for the optical head according to this invention is so constructed that in the speed control of the seek operation of the optical head using feedback of a difference signal between a reference speed signal and a speed detection signal, the reference speed signal is switched to a ground level when a residual track number is below a predetermined value, and the optical head is pulled into a tracking servo operation when a predetermined time has elapsed since the switching time of the reference speed signal to the ground level.

Abstract translation: 本发明的目的是提供一种用于光头的速度控制方法和装置，其中用于光头的减速操作等以均匀的减速或加速模式高速进行，并且速度控制被充分地进行 准确地具有良好的可寻求性和简单的施工。 根据本发明的用于光头的速度控制装置的结构是，在使用基准速度信号和速度检测信号之间的差信号的反馈的光头的寻道操作的速度控制中，基准速度信号为 当剩余磁道数低于预定值时，切换到接地电平，并且当从基准速度信号的切换时间到地电平已经过去了预定时间时，光头被拉入跟踪伺服操作。