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    • 3. 发明授权
    • Optical information medium
    • 光信息媒体
    • US06680899B2
    • 2004-01-20
    • US09891268
    • 2001-06-27
    • Tsuyoshi KomakiHideki HirataNaoki HayashidaToshifumi Tanaka
    • Tsuyoshi KomakiHideki HirataNaoki HayashidaToshifumi Tanaka
    • G11B724
    • G11B7/2575G11B7/24056G11B7/2534G11B7/2542G11B7/2545G11B7/256G11B7/2585
    • An optical information medium comprising a supporting substrate, an information recording area on the supporting substrate, and a light-transmitting layer covering at least the information recording area, wherein the information recording area is irradiated with the recording/reading laser beam through the light-transmitting layer, and wherein the light-transmitting layer is highly scratch resistant upon contact with the optical pickup is provided. Also provided is an optical information medium which has a scratch-resistant light transmitting layer, and which experiences reduced vibration in high-speed rotation without suffering from problems in focus servo and tracking servo. In such optical information medium, the surface of the medium on the side of the laser beam incidence at least in the part above the information recording area has a dynamic coefficient of friction of up to 0.4.
    • 一种光信息介质,包括支撑基板,支撑基板上的信息记录区域和至少覆盖信息记录区域的透光层,其中通过记录/读取激光束照射信息记录区域, 并且其中所述透光层在与所述光学拾取器接触时具有高耐刮擦性。 还提供了具有耐擦伤光透射层的光学信息介质,并且在聚焦伺服和跟踪伺服中没有遇到问题的同时,在高速旋转中经历减少的振动。 在这种光学信息介质中,至少在信息记录区域上方的部分中激光束侧面的介质表面具有高达0.4的动态摩擦系数。
    • 8. 发明申请
    • DISCHARGE LAMP LIGHTING DEVICE, VEHICLE-MOUNTED HIGH-INTENSITY DISCHARGE LAMP LIGHTING DEVICE, AND VEHICLE
    • 放电灯照明装置,车载安装高强度放电灯照明装置和车辆
    • US20110074295A1
    • 2011-03-31
    • US12994479
    • 2009-05-21
    • Toshifumi Tanaka
    • Toshifumi Tanaka
    • B60Q1/04H05B41/36B60Q1/14
    • H05B41/386H05B41/2882Y02B20/204
    • A discharge lamp lighting device is realized, which enables scale and cost reductions thereof, and is capable of reducing a flash at a starting time of the discharge lamp, suppressing a feeling of wrongness at a time of raising a luminous flux, and easily suppressing variations among a plurality of the discharge lamps. The discharge lamp lighting device includes: a lighting circuit unit that receives a direct current voltage, and converts the direct current voltage into an output required by a discharge lamp; and a control unit that receives detection values of a discharge lamp voltage and a discharge lamp current, and controls the lighting circuit unit to achieve a predetermined target power value, in which, after the discharge lamp is started, the control unit controls the predetermined target power value to be reduced from an output power value larger than a rated power value to the rated power value for several seconds to several ten seconds, wherein the control unit sets a target power value after the discharge lamp is started at a first output power value larger than the rated power value, and increases the target power value toward a second output power value as a maximum output power value for a first predetermined time after the discharge lamp is started.
    • 实现了放电灯点亮装置,能够进行规模化和降低成本,并且能够在放电灯的起动时间减少闪光,抑制在提高光通量时的错误感,并且容易抑制变化 在多个放电灯中。 放电灯点亮装置包括:点亮电路单元,其接收直流电压,并将直流电压转换为放电灯所需的输出; 以及控制单元,其接收放电灯电压和放电灯电流的检测值,并且控制点亮电路单元以实现预定的目标功率值,其中在放电灯启动之后,控制单元控制预定目标 功率值从大于额定功率值的输出功率值减小到额定功率值几秒至几十秒,其中所述控制单元在所述放电灯以第一输出功率值启动之后设定目标功率值 大于额定功率值,并且在放电灯起动之后的第一预定时间内将目标功率值朝着第二输出功率值提高为最大输出功率值。
    • 9. 发明授权
    • Multilayer optical recording medium, method for recording data, and recorder
    • 多层光记录介质,数据记录方法和记录仪
    • US07158466B2
    • 2007-01-02
    • US10496002
    • 2002-11-28
    • Toshifumi Tanaka
    • Toshifumi Tanaka
    • G11B7/10
    • G11B7/24038G11B7/007G11B7/00736G11B2007/0013
    • A write-once or rewritable multilayer optical recording medium according to the present invention includes an L1 recording layer and an L0 recording layer, in which data recording areas for recording data are respectively formed, laminated on one surface of a base, wherein a read-in area for recording the data management information of all the data recorded in the respective data recording areas of the L1 recording layer and the L0 recording layer is formed only in the L0 recording layer. This means that the data management information of all the data can be read out quickly by simply accessing the L0 recording layer and the recording and reading of the data can be executed quickly and easily.
    • 根据本发明的一次写入或可重写的多层光学记录介质包括L 1记录层和L 0记录层,其中分别形成用于记录数据的数据记录区,层压在基底的一个表面上,其中a 仅在L 0记录层中形成用于记录记录在L 1记录层和L 0记录层的各个数据记录区域中的所有数据的数据管理信息的读入区域。 这意味着可以通过简单地访问L 0记录层来快速读出所有数据的数据管理信息,并且可以快速且容易地执行数据的记录和读取。