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    • 6. 发明授权
    • Track-lead-in control device for optical head
    • 光头导轨控制装置
    • US5646916A
    • 1997-07-08
    • US531223
    • 1995-09-19
    • Hajime Kobayashi
    • Hajime Kobayashi
    • G11B7/085G11B7/095G11B7/00
    • G11B7/08517G11B7/08529G11B7/0953
    • A photosensor receives laser light reflected from an optical disk with a two-segmented photodetecting surface. A relative speed detecting section binarizes a difference signal of output signals of the photosensor, and detects time points when the laser light is located at the centers of tracks and grooves of the optical disk. When a detected interval is longer than a preset value, the relative speed detecting section outputs a speed detection pulse having a preset pulse width. A track detecting section binarizes a sum signal of the output signals of the photosensor, detects time points when the laser light is located at a track edge, and outputs a track detection pulse having a preset pulse width. A loop switch turns on/off a tracking servo loop in accordance with a tracking start signal that is generated by an AND circuit and a D flip-flop.
    • 光传感器接收由具有两段光电检测面的光盘反射的激光。 相对速度检测部将光传感器的输出信号的差分信号二值化,并且检测当激光位于光盘的轨道和凹槽的中心处的时间点。 当检测到的间隔大于预设值时,相对速度检测部分输出具有预设脉冲宽度的速度检测脉冲。 磁道检测部将光传感器的输出信号的和信号二值化,检测激光位于磁道边缘的时间点,并输出具有预设脉冲宽度的磁道检测脉冲。 根据由AND电路和D触发器产生的跟踪开始信号,环路开关接通/关闭跟踪伺服环路。
    • 8. 发明申请
    • SYSTEMS AND METHODS FOR PROVIDING A MULTIFUNCTIONAL BOTTOM TOOLBAR FOR A USER INTERFACE
    • 用于为用户界面提供多功能底部工具栏的系统和方法
    • US20090228814A1
    • 2009-09-10
    • US12044629
    • 2008-03-07
    • Hajime Kobayashi
    • Hajime Kobayashi
    • G06F3/048
    • G06F3/04855
    • A web site system is described that comprises a computing device. The computing device comprises a web application for providing a user interface to be displayed by a web browser on a client computing device. The web application includes a bottom toolbar. The bottom toolbar maintains a bottom position on the web browser when the bottom toolbar is displayed on the client computing device. Bottom toolbar code causes the bottom toolbar to be displayed. The bottom toolbar code comprises a plurality of configurations. Each of the plurality of configurations causes a different bottom toolbar user interface to be displayed. The web application causes the bottom toolbar to change configurations.
    • 描述了包括计算设备的网站系统。 计算设备包括用于提供要由客户端计算设备上的web浏览器显示的用户界面的web应用。 Web应用程序包括底部工具栏。 底部工具栏在客户端计算设备上显示底部工具栏时,会在Web浏览器上保持底部位置。 底部工具栏代码使底部工具栏显示。 底部工具栏代码包括多个配置。 多个配置中的每个配置导致显示不同的底部工具栏用户界面。 Web应用程序使底部工具栏更改配置。
    • 10. 发明授权
    • Optical recording/reproducing apparatus
    • 光记录/重放装置
    • US06556535B1
    • 2003-04-29
    • US09520510
    • 2000-03-08
    • Hajime Kobayashi
    • Hajime Kobayashi
    • G11B700
    • G11B7/126G11B7/0055G11B7/006
    • An optical recording/reproducing apparatus includes a monitor sensor for sensing the amount of emission from a laser diode or optical head. The output of the monitor sensor is routed through a non-inverting wide-band amplifier and an inverting amplifier to an envelope detector. The envelope detector detects peak values out of the input signal and delivers them to a current amplifier via an amplifier and a comparator. The current amplifier feeds a current corresponding to the input to the laser diode. This current corresponds to erasing power. The apparatus senses the emission conditions of the laser diode between the start and end of the recording operation so as to cause erasing power to constantly coincide with a reference value.
    • 光学记录/再现装置包括用于感测来自激光二极管或光学头的发射量的监视传感器。 监视传感器的输出通过非反相宽带放大器和反相放大器路由到信封检测器。 包络检测器检测输入信号中的峰值,并通过放大器和比较器将其传送到电流放大器。 电流放大器将与输入相对应的电流馈送到激光二极管。 该电流对应于擦除功率。 该装置在记录操作的开始和结束之间感测激光二极管的发射条件,以使擦除功率与参考值不断一致。