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    • 5. 发明授权
    • Optical recording and reproducing apparatus having an optical pickup including a liquid crystal correcting element
    • 具有包括液晶校正元件的光学拾取器的光学记录和再现设备
    • US08054732B2
    • 2011-11-08
    • US12294572
    • 2007-03-12
    • Shinichi FujinokiHisao Tanaka
    • Shinichi FujinokiHisao Tanaka
    • G11B7/00
    • G11B7/1267G02F2203/50G11B7/0909G11B7/13925
    • An optical recording and reproducing apparatus which suppresses the generation of a noise component in a servo signal while preventing a deterioration in using efficiency of a light beam is provided. The optical recording and reproducing apparatus has an optical pickup including a liquid crystal correcting element, a liquid crystal element control unit, a memory, and an operation mode control unit. The memory stores a plurality of correction data sets respectively corresponding to a plurality of refractive index distribution to be formed by the liquid crystal correcting element. The liquid crystal element control unit selectively reads out the correction data set corresponding to the operation mode designated by the operation mode control unit from the memory and supplies a driving voltage according to the read-out correction data set to the liquid crystal correcting element.
    • 提供一种光学记录和再现装置,其抑制伺服信号中的噪声分量的产生,同时防止光束的使用效率的劣化。 光学记录和再现装置具有包括液晶校正元件,液晶元件控制单元,存储器和操作模式控制单元的光学拾取器。 存储器存储分别对应于由液晶校正元件形成的多个折射率分布的多个校正数据集。 液晶元件控制单元从存储器中选择与由操作模式控制单元指定的操作模式对应的校正数据集,并将读出的校正数据组的驱动电压提供给液晶校正元件。
    • 6. 发明授权
    • Information recording apparatus and information recording method
    • 信息记录装置和信息记录方法
    • US07965602B2
    • 2011-06-21
    • US12100463
    • 2008-04-10
    • Yoshio SasakiMasakazu FurukawaHisao TanakaHiroyuki Uchino
    • Yoshio SasakiMasakazu FurukawaHisao TanakaHiroyuki Uchino
    • G11B7/00
    • G11B7/0062G11B7/00456
    • In the information recording apparatus, by driving the light source by the pulse signal corresponding to the recording signal, the laser pulse corresponding to the recording signal is irradiated onto the recording medium. The recording signal has the mark period to form the recording mark, and the space period in which the recording mark is not formed. In the mark period, the output level of the laser pulse changes between the normal level and the writing level, thereby, the recording mark is formed on the recording medium. On the one hand, over a predetermined period in the space period, the output level of the laser pulse is changed to the low level lower than the normal level. Thereby, the heat accumulation onto the recording medium, due to the transient response of the laser pulse in the mark period, is reduced, and in the mark period after that, the correct recording mark can be formed.
    • 在信息记录装置中,通过与对应于记录信号的脉冲信号驱动光源,将与记录信号对应的激光脉冲照射到记录介质上。 记录信号具有用于形成记录标记的标记周期和不形成记录标记的空间周期。 在标记期间,激光脉冲的输出电平在正常电平和写入电平之间变化,由此在记录介质上形成记录标记。 一方面,在空间周期的预定时间段内,激光脉冲的输出电平变为低于正常电平的低电平。 因此,由于激光脉冲在标记周期中的瞬态响应而在记录介质上的积聚减少,并且在标记周期之后,可以形成正确的记录标记。
    • 7. 发明申请
    • METHOD OF MANUFACTURING FLUORINATED GAS COMPOUNDS AND APPARATUS FOR MANUFACTURING THE SAME
    • 制造氟化气体化合物的方法及其制造方法
    • US20100239485A1
    • 2010-09-23
    • US12740386
    • 2008-12-19
    • Hisao TanakaIsamu MoriKenji Tanaka
    • Hisao TanakaIsamu MoriKenji Tanaka
    • C01B21/083B01J19/00C01B7/24
    • C01B7/24C01B21/0832C01B21/0835
    • An apparatus of generating fluorinated gas compounds by means of reacting liquid stock with gaseous material is characterized by providing a circulating system comprised of a reaction chamber where a liquid mixture containing the liquid stock reacts with the gaseous material, a fluid conduit through which the liquid mixture alone flows, an upper fluid channel through which the reacted liquid mixture moves from the top of the reaction chamber to the top of the fluid conduit, and a lower fluid channel through which the liquid mixture moves from the bottom of the fluid conduit to the bottom of the reaction chamber, and sparging into the bottom of the reaction chamber (A) the virgin gaseous material and (B) at least one selected from the fluorinated gas compounds resulted from the reaction in the reaction chamber, including the first fluorinated gas product generated in the first cycle of the reaction and the second or later gas product resulted from further fluorinating the first or later gas product in the succeeding cycle, so as to circulate the liquid mixture.
    • 通过使液体原料与气态材料反应产生氟化气体化合物的装置的特征在于提供一种循环系统,其包括反应室,其中含有液体原料的液体混合物与气态物质反应,流体导管,液体混合物 单独流动,上部流体通道,反应的液体混合物通过该上部流体通道从反应室的顶部移动到流体导管的顶部;以及下部流体通道,液体混合物通过该下部流体通道从流体导管的底部移动到底部 的反应室(A)的底部喷射到原始气态物质,(B)选自反应室中的反应产生的氟化气体化合物中的至少一种,包括产生的第一氟化气体产物 在反应的第一个循环中,第二个或更迟的气体产物由第一个或更迟的氟化进一步产生 气体产品在随后的循环中,以便使液体混合物循环。
    • 9. 发明申请
    • OPTICAL RECORDING AND REPRODUCING APPARATUS
    • 光学记录和再现设备
    • US20090115921A1
    • 2009-05-07
    • US12294572
    • 2007-03-12
    • Shinichi FujinokiHisao Tanaka
    • Shinichi FujinokiHisao Tanaka
    • G02F1/1333
    • G11B7/1267G02F2203/50G11B7/0909G11B7/13925
    • An optical recording and reproducing apparatus which suppresses the generation of a noise component in a servo signal while preventing a deterioration in using efficiency of a light beam is provided. The optical recording and reproducing apparatus has an optical pickup including a liquid crystal correcting element, a liquid crystal element control unit, a memory, and an operation mode control unit. The memory stores a plurality of correction data sets respectively corresponding to a plurality of refractive index distribution to be formed by the liquid crystal correcting element. The liquid crystal element control unit selectively reads out the correction data set corresponding to the operation mode designated by the operation mode control unit from the memory and supplies a driving voltage according to the read-out correction data set to the liquid crystal correcting element.
    • 提供一种光学记录和再现装置,其抑制伺服信号中的噪声分量的产生,同时防止光束的使用效率的劣化。 光学记录和再现装置具有包括液晶校正元件,液晶元件控制单元,存储器和操作模式控制单元的光学拾取器。 存储器存储分别对应于由液晶校正元件形成的多个折射率分布的多个校正数据集。 液晶元件控制单元从存储器中选择与由操作模式控制单元指定的操作模式对应的校正数据集,并将读出的校正数据组的驱动电压提供给液晶校正元件。