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    • 63. 发明申请
    • Actuator, optical pickup device, and optical disk apparatus
    • 执行器,光学拾取装置和光盘装置
    • US20050185533A1
    • 2005-08-25
    • US11062829
    • 2005-02-23
    • Akihiro Tanaka
    • Akihiro Tanaka
    • G11B7/09G11B7/085G11B7/095
    • G11B7/0956
    • Optical disk apparatus technology is disclosed for preventing the generation of media tilt even when thrust forces generated by focusing coils of an actuator may vary, and accurately driving an objective lens. A pair of focusing coils is arranged such that one focusing coil is fixed at one side of a lens supporting member and the other focusing coil is fixed at the other side of the lens supporting member with respect to a tangential direction of a track formed on an optical disk. The positioning of the focusing coils is arranged such that if one focusing coil is rotated around an optical axis of the objective lens by 180 degrees, the position of this focusing coil coincides with the position of the other focusing coil.
    • 公开了光盘装置技术,即使当由致动器的聚焦线圈产生的推力可能变化并且准确地驱动物镜时也可防止介质倾斜的产生。 一对聚焦线圈被布置成使得一个聚焦线圈固定在透镜支撑构件的一侧,另一个聚焦线圈相对于形成在透镜支撑构件上的轨道的切线方向固定在透镜支撑构件的另一侧 光盘。 聚焦线圈的定位被布置成使得如果一个聚焦线圈围绕物镜的光轴旋转180度,则该聚焦线圈的位置与另一个聚焦线圈的位置一致。
    • 64. 发明授权
    • Lens actuator
    • 镜头执行器
    • US06847595B2
    • 2005-01-25
    • US10665153
    • 2003-09-22
    • Akihiro Tanaka
    • Akihiro Tanaka
    • G11B7/09G11B7/00
    • G11B7/0932
    • In a lens actuator for use with an optical recording and reproducing apparatus in accordance with a plurality of different multiplied response numeric values to record or reproduce to or from an optical recording medium, the lens actuator actuates an objective lens to control focusing and tracking and includes a fixed magnetic circuit including a magnet as a magnetic flux generating source and a back yoke, a support structure that is elastically displaceable depending on a thrust generated amount; and a movable part including a holder fixing the objective lens and a solenoid coil capable of generating a focusing thrust and a tracking thrust in accordance with current values, respectively. And in the lens actuator, a resonance frequency around a tangential axis is set to be different from spindle rotation frequencies corresponding to the plurality of multiplied response numeric values.
    • 在与根据多个不同的相乘响应数值的光学记录和再现装置一起使用以用于记录或再现到光学记录介质的透镜致动器中,透镜致动器致动物镜以控制聚焦和跟踪,并且包括 包括作为磁通量发生源的磁体和后轭的固定磁路,可根据推力产生量弹性位移的支撑结构; 以及可移动部分,其包括固定物镜的保持架和能够分别根据当前值产生聚焦推力和跟踪推力的螺线管线圈。 并且在透镜致动器中,围绕切线轴的共振频率被设定为不同于与多个相乘响应数值对应的主轴旋转频率。
    • 66. 发明授权
    • Photoelectric back plane board and information processing system
    • 光电背板和信息处理系统
    • US06654515B2
    • 2003-11-25
    • US10244730
    • 2002-09-16
    • Makoto KatoShoji ItoAkihiro TanakaKenichi HigashiuraNaoki Kamiya
    • Makoto KatoShoji ItoAkihiro TanakaKenichi HigashiuraNaoki Kamiya
    • G02B628
    • G02B6/43G02B6/2817G02B6/4214G02B6/4246G02B6/4249G02B6/426G02B6/428G02B6/4284
    • A photoelectric back plane board is provided to facilitate the relative positioning of an optical data bus and light emitting/receiving devices, interconnection of a circuit board for optical communication and respective elements, and supplying power and inputting/outputting signals to/from the printed circuit board. In the photoelectric back plane board, the optical data bus is inserted into a recess within an optical data bus fixing board and a connector holding light emitting/receiving devices is positioningly fixed to the fixing board via through holes H formed in the fixing board so that relative positioning of the signal light incoming/outgoing areas and the light emitting/receiving devices can be easily achieved. By mounting the fixing board on a printed circuit board on which an electrical connector is provided, interconnection of a circuit board mounted on the optical connector and the printed circuit board is achieved by means of the electrical connector.
    • 提供光电背板以便于光数据总线和发光/接收装置的相对定位,用于光通信的电路板的互连和各个元件,以及向/从印刷电路提供电力和输入/输出信号 板。 在光电背板中,将光数据总线插入到光数据总线固定板内的凹部中,并且保持发光/接收装置的连接器通过形成在定影板上的通孔H定位固定到固定板,使得 可以容易地实现信号光入射/出射区域和发光/接收装置的相对定位。 通过将固定板安装在设置有电连接器的印刷电路板上,通过电连接器实现安装在光连接器上的电路板和印刷电路板的互连。
    • 67. 发明授权
    • Lens actuator and optical disk recording and reading apparatus using the same
    • 透镜致动器及使用其的光盘记录读取装置
    • US06339511B1
    • 2002-01-15
    • US09595895
    • 2000-06-20
    • Akihiro Tanaka
    • Akihiro Tanaka
    • G02B702
    • G11B7/0935
    • A lens actuator for use in an optical disk recording and reading apparatus includes a moving member and a mass balancing member. The moving member includes a holder for holding an object lens movably in tracking and focus directions, a driving coil for generating a thrust for driving the holder in the tracking and focus directions, and a set of supporting members for supporting the holder and supplying power to the driving coil. The mass balancing member is positioned diagonal to the object lens held on the moving member by the holder and is configured to make contact with the driving coil within the moving member.
    • 用于光盘记录和读取装置的透镜致动器包括移动构件和质量平衡构件。 移动构件包括用于沿跟踪和聚焦方向可移动地保持物镜的保持器,用于产生用于在跟踪和聚焦方向上驱动保持器的推力的驱动线圈,以及一组用于支撑保持器并将电力供应到 驱动线圈。 质量平衡构件通过保持器与保持在移动构件上的物镜相对置,并且构造成与移动构件内的驱动线圈接触。
    • 69. 发明授权
    • Transmission type optical deflector
    • 传输型光偏转器
    • US5966253A
    • 1999-10-12
    • US97654
    • 1998-06-16
    • Akihiro TanakaMasataka Nishiyama
    • Akihiro TanakaMasataka Nishiyama
    • G02B26/08G02B26/10G02B5/04
    • G02B26/0883G02B26/108
    • A transmission type optical deflector wherein a prism holder is supported by a yoke member to rotate about a principal axis through an elastic device. A wedge-shaped transmission prism is provided on the prism holder to transmit and refract light. The prism holder and yoke member are respectively provided with a coil and a permanent magnet secured thereto, to produce a rotational motion of the prism holder in the forward and reverse directions about the principal axis due to an electromagnetic function. The transmission prism is partly cut away at the thick portion thereof so that the center of gravity of the transmission prism is identical to the principal axis in a section in which the principal axis appears as a point and the transmission prism appears as a wedge-shape.
    • 一种透射型光偏转器,其中棱镜支架由轭构件支撑,以通过弹性装置绕主轴旋转。 在棱镜支架上设置有楔形的透光棱镜以透射和折射光。 棱镜支架和轭构件分别设置有线圈和固定到其上的永磁体,由于电磁功能,使得棱镜支架沿着主轴线的前后方向产生旋转运动。 透射棱镜在其厚部被部分地切除,使得透射棱镜的重心与主轴呈现为一点的部分中的主轴相同,并且透射棱镜呈现为楔形 。
    • 70. 发明授权
    • Pressure- and heat-sensitive multilayer copying paper
    • 压敏和热敏多层复印纸
    • US5567668A
    • 1996-10-22
    • US338506
    • 1994-12-21
    • Kunio OdaNobuhiko KitadaAkihiro TanakaKazuho FujiwaraShinichi Matsumoto
    • Kunio OdaNobuhiko KitadaAkihiro TanakaKazuho FujiwaraShinichi Matsumoto
    • B41M5/132B41M5/124B41M5/28B41M5/30B41M5/337B41M5/40B41M5/34
    • B41M5/124B41M5/30
    • This invention provides a pressure- and heat-sensitive multilayer copying paper useful as a recording material for various types of recording machines, such as a portable terminal. A pressure- and heat-sensitive multilayer copying paper comprises: an upper paper member composed of: a substrate sheet; a layer provided on a front surface of the substrate sheet comprising a organic compound and an acidic organic compound; a layer provided on a back surface of the substrate sheet comprising a organic compound, microcapsules encapsulating the organic compound and a thermomeltable material; and an overcoated protective layer placed on the layer provided on a back surface of the substrate sheet; and a lower paper member: a substrate sheet; a layer provided on a front surface of the substrate sheet comprising at least one acidic organic compound which forms color in case that it reacts with the organic compound.
    • PCT No.PCT / JP94 / 00247 Sec。 371日期1994年12月21日 102(e)日期1994年12月21日PCT 1994年2月18日PCT PCT。 WO94 / 19198 PCT出版物 日期1994年9月1日本发明提供了一种用作各种类型的记录机例如便携式终端的记录材料的压敏和热敏多层复印纸。 压敏和热敏多层复印纸包括:上部纸件,由以下部件组成:基材片; 设置在所述基材片的前表面上的层,所述基材片包含有机化合物和酸性有机化合物; 设置在所述基片的背面上的包含有机化合物的层,包封有机化合物的微胶囊和热熔性材料; 以及设置在所述基板的背面上的所述层上的外涂保护层; 和下部纸构件:基板; 在基片的前表面上设置有至少一种在与有机化合物反应的情况下形成颜色的酸性有机化合物的层。