Pickup control method and apparatus, and disk unit with gain control
during power save mode
    13.
    发明授权
    Pickup control method and apparatus, and disk unit with gain control during power save mode 失效
    拾取控制方法和装置,以及在节电模式下具有增益控制的盘单元

    公开(公告)号:US5715218A

    公开(公告)日:1998-02-03

    申请号:US640185

    申请日:1996-04-30

    申请人: Toru Ikeda

    发明人: Toru Ikeda

    IPC分类号: G11B7/085 G11B7/09 G11B19/00

    CPC分类号: G11B19/00 G11B7/0941

    摘要: A pickup control method is used to control a pickup of a reproducing unit which reproduces information from a recording medium. The pickup control method includes the steps of (a) controlling a gain of a tracking error signal in a tracking servo system during a power save mode of the reproducing unit so that the gain is reduced in the power save mode in which the reproducing unit operates at a reduced power consumption compared to a normal operation mode, where the tracking servo system controls tracking of the pickup based on the tracking error signal so that the pickup follows a track on the recording medium, and (b) controlling a phase characteristic of a phase compensation means, provided in the tracking servo system, for compensating a phase of the tracking error signal so as to secure a phase margin at a zero-crossing point of the gain in an open loop characteristic of the tracking servo system during the power save mode.

    摘要翻译: 拾取控制方法用于控制从记录介质再现信息的再现单元的拾取器。 拾取控制方法包括以下步骤:(a)在再现单元的省电模式期间控制跟踪伺服系统中的跟踪误差信号的增益,使得在再现单元操作的节电模式下减小增益 与正常操作模式相比降低功耗,其中跟踪伺服系统基于跟踪误差信号控制拾取器的跟踪,使得拾取器跟随记录介质上的轨道,以及(b)控制拾取器的相位特性 在跟踪伺服系统中设置的用于补偿跟踪误差信号的相位的相位补偿装置,以便在省电期间确保跟踪伺服系统的开环特性中增益的过零点处的相位裕度 模式。

    Electronic control of a spark plug for an internal combustion engine

    公开(公告)号:US09890757B2

    公开(公告)日:2018-02-13

    申请号:US13044059

    申请日:2011-03-09

    摘要: An internal-combustion-engine electronic control system according to the present invention is provided with a power switching device that applies or shuts off a primary current of an ignition coil of an internal combustion engine so that at the secondary side of the ignition coil, there is generated a voltage for making an ignition plug of the internal combustion engine produce a spark discharge; and a control unit that turns on or off the power switching device. The internal-combustion-engine electronic control system is characterized in that the control unit is provided with a circuit unit that makes the power switching device softly shut off so as to prevent the ignition plug from producing the spark discharge, and in accordance with the characteristics of the power switching device, the control unit changes the characteristics of the soft shutoff halfway through the shutoff operation.

    Liquid resin material molding system
    15.
    发明授权
    Liquid resin material molding system 有权
    液体树脂材料成型系统

    公开(公告)号:US08827680B2

    公开(公告)日:2014-09-09

    申请号:US13416389

    申请日:2012-03-09

    申请人: Toru Ikeda

    发明人: Toru Ikeda

    IPC分类号: B29C45/00

    CPC分类号: B29C67/246

    摘要: A liquid resin material molding system includes a mold, a mold clamping device for clamping the mold, and a supply device for supplying a liquid resin material to the mold. The supply device includes an agitation-mixing mechanism for agitation-mixing of a liquid resin material of an additive added to a main component, a pump mechanism for feeding the liquid material mixture obtained thereby, and a fixed-quantity metering/supply mechanism for metering a fixed quantity of the liquid material mixture fed thereto via a first flow passage by the pump mechanism, for intermittent supply to the mold through a second flow passage.

    摘要翻译: 液体树脂材料成型系统包括模具,用于夹紧模具的模具夹紧装置和用于将液体树脂材料供给到模具的供给装置。 供给装置包括搅拌混合机构,用于将添加到主要组分中的添加剂的液体树脂材料搅拌混合,用于供给由其获得的液体材料混合物的泵机构和用于计量的定量计量/供给机构 通过泵机构经由第一流路供给的固定量的液体材料混合物,通过第二流路间歇地供给到模具。

    Rotation control method and storage apparatus
    16.
    发明授权
    Rotation control method and storage apparatus 失效
    旋转控制方法和存储装置

    公开(公告)号:US07345972B2

    公开(公告)日:2008-03-18

    申请号:US11175096

    申请日:2005-07-05

    IPC分类号: G11B7/125

    摘要: A storage apparatus rotates an optical recording medium at two or more kinds of rotational speeds. The rotational speed is decreased when a read or write margin becomes less than or equal to a first predetermined value or, when a frequency of generation of a servo abnormality of a tracking servo and/or a focus servo is greater than or equal to a first predetermined frequency. On the other hand, the rotational speed is increased when the read or write margin becomes greater than or equal to a second predetermined value or, when the frequency of generation of the servo abnormality of the tracking servo and/or the focus servo is less than or equal to a second predetermined frequency.

    摘要翻译: 存储装置以两种或多种旋转速度旋转光学记录介质。 当读或写余量小于或等于第一预定值时,或者当跟踪伺服和/或聚焦伺服的伺服异常的产生频率大于或等于第一预定值时,转速降低 预定频率。 另一方面,当读取或写入余量变得大于或等于第二预定值时,转速增加,或者当跟踪伺服和/或聚焦伺服的伺服异常的产生频率小于 或等于第二预定频率。

    Tracking device
    17.
    发明申请
    Tracking device 审中-公开
    跟踪装置

    公开(公告)号:US20060126455A1

    公开(公告)日:2006-06-15

    申请号:US11344680

    申请日:2006-01-31

    申请人: Toru Ikeda

    发明人: Toru Ikeda

    IPC分类号: G11B7/00

    摘要: An MPU vibrates a track actuator with a predetermined amplitude while the focus servo loop is closed. The MPU calculates the number of tracks on a disk that the actuator crosses from a track error signal obtained by the vibration, and calculates the acceleration performance constant of the track actuator from the ratio between the calculated number of crossed tracks and a reference number of crossed tracks.

    摘要翻译: 当聚焦伺服环闭合时,MPU以预定幅度振动轨道致动器。 MPU根据由振动获得的轨道误差信号计算出盘片上的轨迹数,并根据计算出的交叉轨迹数与交叉轨迹的参考数之间的比率,计算轨道致动器的加速度性能常数 轨道

    Ignition control apparatus for internal combustion engine
    18.
    发明授权
    Ignition control apparatus for internal combustion engine 有权
    内燃机点火控制装置

    公开(公告)号:US07059300B2

    公开(公告)日:2006-06-13

    申请号:US10797040

    申请日:2004-03-11

    申请人: Toru Ikeda

    发明人: Toru Ikeda

    IPC分类号: F02P5/00

    摘要: An ignition control apparatus for an internal combustion engine for preventing ignition control upon occurrence of rotation reversal of the engine includes a rotation sensor (3) disposed in opposition to projections (11, 12) of a rotor (1), and an ignition timing control circuit (4) for fetching a rotation sensor signal (R) as a reference angular position signal to output a driving signal (P) to the ignition circuit (6). A retarded ignition control module (46) of the control circuit (4) measures a period of a specific interval of the sensor signal (R) while generating a driving signal (P) in dependence on the specific interval period. An arithmetic module (46) of the retarded ignition control module (46) sets an expectation period for accepting a succeeding sensor signal on the basis of the specific interval period to validate only the signal inputted during the expectation period.

    摘要翻译: 一种内燃机的点火控制装置,用于防止发动机发动机转向反转时的点火控制装置,具有与转子(1)的突出部(11,12)相对设置的旋转传感器(3)和点火正时控制 用于获取旋转传感器信号(R)作为参考角位置信号的电路(4),以将驱动信号(P)输出到点火电路(6)。 控制电路(4)的延迟点火控制模块(46)根据特定间隔周期产生驱动信号(P),测量传感器信号(R)的特定间隔的周期。 延迟点火控制模块(46)的运算模块(46)根据特定间隔周期设定接受后续传感器信号的预期周期,以仅验证期望期间输入的信号。

    Information storage apparatus
    19.
    发明授权

    公开(公告)号:US07009918B2

    公开(公告)日:2006-03-07

    申请号:US09791397

    申请日:2001-02-22

    IPC分类号: G11B7/00

    CPC分类号: G11B7/08541 G11B7/0901

    摘要: The present invention provides an information storage apparatus that generates a tracking error signal based on a detection signal, and performs various control operations based on the tracking error signal. When the operation mode is a seek operation mode, the information storage apparatus generates a tracking error signal by holding the peak value of the detection signal. When the operation mode is a tracking operation mode, the information storage apparatus generates a tracking error signal directly from the detection signal. With this information storage apparatus, stable control operations can be performed, regardless of changes of conditions.

    Optical disc device
    20.
    发明申请
    Optical disc device 失效
    光盘设备

    公开(公告)号:US20050226107A1

    公开(公告)日:2005-10-13

    申请号:US10929627

    申请日:2004-08-30

    CPC分类号: G11B7/0945 G11B7/0953

    摘要: An optical disc device of the present invention has a carriage opposed to an optical disc medium and capable of moving in a radial direction of the optical disc medium; a first driving section for driving the carriage; an object lens mounted in the carriage for focusing laser light on the optical disc medium; a second driving section mounted in the carriage for displacing the object lens in the radial direction of the object lens; a lens-position detecting section fixed to the carriage for detecting positional information on the object lens; an eccentricity removing section for generating a position detecting signal by removing an eccentric component of the optical disc medium from the positional information on the object lens; and a displacement detecting section for determining, using the position detecting signal, whether or not the carriage should be driven and for providing an instruction to begin driving the carriage, to the first driving section, based on a result of the determination.

    摘要翻译: 本发明的光盘装置具有与光盘介质相对的托架,能够在光盘介质的径向方向上移动; 用于驱动滑架的第一驱动部分; 安装在滑架中的物镜,用于将激光聚焦在光盘介质上; 第二驱动部,其安装在所述托架中,用于使所述物镜沿所述物镜的径向位移; 透镜位置检测部,其固定在所述托架上,用于检测所述物镜上的位置信息; 偏心消除部,用于通过从所述物镜上的位置信息中除去所述光盘介质的偏心分量来产生位置检测信号; 以及位移检测部分,用于基于所述确定的结果来确定使用所述位置检测信号是否应当驱动所述托架并且用于提供开始驾驶所述托架的指令到所述第一驱动部分。