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    • 91. 发明授权
    • Magnetic Tape Cartridge
    • 磁带盒
    • US07016152B2
    • 2006-03-21
    • US10609391
    • 2003-07-01
    • Hideaki ShigaYusuke IshiharaDaisuke TakahashiSeiji Tsuyuki
    • Hideaki ShigaYusuke IshiharaDaisuke TakahashiSeiji Tsuyuki
    • G11B23/02
    • G11B23/107G11B23/037G11B23/045G11B23/07
    • A single-reel magnetic tape cartridge has a cartridge casing and a single reel around which a magnetic tape is wound and which is contained in the cartridge casing for rotation, in which the magnetic tape is fixed at the leading edge thereof to a leader pin employed for extracting the magnetic tape from the cartridge and the flanges at the upper and lower ends of the leader pin are engaged by the lateral drawing force of a latch spring removably held in the tape cartridge casing. Even for cases in which there is a deviation in the insertion position in which leader pin is inserted by the record and playback apparatus, etc. causing the entry path of the leader pin into the cartridge casing to be off track, etc., it is still possible for the leader pin to be inserted into the cartridge casing. The incline angle, in relation to the insertion direction of the leader pin, at the point at which the flanges of the leader pin are brought into abutment with the guide surface of the latch spring is set within the range of 30°±5°.
    • 单卷磁带盒具有盒壳体和单个卷盘,磁带卷绕在磁带盒周围并被容纳在盒壳体中用于旋转,其中磁带在其前端被固定到所使用的引导销 用于从盒中提取磁带,并且引导销的上端和下端处的凸缘通过可拆卸地保持在带盒壳体中的闩锁弹簧的横向拉力而接合。 即使在引导引脚由记录和重放装置等插入的插入位置有偏差的情况下,导致引导销进入盒壳体的进入路径等等,也就是说 仍然可能的是将引导销插入盒壳体中。 在引导销的凸缘与闩锁弹簧的引导表面邻接的位置处,相对于引导销的插入方向的倾斜角度设定在30°±5°的范围内。
    • 92. 发明申请
    • Processes for production of nucleosides
    • 核苷生产工艺
    • US20060014944A1
    • 2006-01-19
    • US11181985
    • 2005-07-15
    • Daisuke TakahashiKunisuke Izawa
    • Daisuke TakahashiKunisuke Izawa
    • C07H19/06C07H19/167
    • C07H19/167C07H19/06C07H19/067C07H19/16
    • Nucleoside compounds represented by formula (II) may be prepared by subjecting a 2′,3′,5′-triacyloxynucleoside compound represented by formula (I) to deacylation using alkali metal hydroxide in a 0.01- to 0.5-fold amount in a molar ratio relative to the moles of the 2′,3′,5′-triacyloxynucleoside compound. The production method of the nucleoside compound of formula (II) suppresses the formation of by-products, and the products amy be used for the production of nucleoside derivatives. In addition, oxidation of a nucleoside compound represented by formula (1) in the presence of a 2,2,6,6-tetramethylpiperidine-1-oxy catalyst, and hypochlorite or hypobromite, while adjusting pH to fall within 5 to 9, and further, extracting a nucleoside-carboxylic acid compound represented by the formula (2) into an organic solvent under acidic conditions, back-extracting the compound from the organic solvent into an aqueous alkali solution, and neutralizing the aqueous alkali solution by adding an acid thereto affords highly pure crystals of the compound of formula (2) or a salt thereof. wherein each symbol is as defined in the Description.
    • 由式(II)表示的核苷化合物可以通过使式(I)表示的2',3',5'-三酰氧基核苷化合物以0.01至0.5倍的摩尔比碱金属氢氧化物脱酰, 相对于2',3',5'-三酰氧基核苷化合物的摩尔数。 式(II)核苷化合物的制备方法抑制副产物的形成,并且该产物可用于制备核苷衍生物。 此外,在2,2,6,6-四甲基哌啶-1-氧化物催化剂和次氯酸盐或次溴酸盐的存在下,将式(1)表示的核苷化合物氧化,同时调节pH在5至9范围内,以及 此外,在酸性条件下将由式(2)表示的核苷 - 羧酸化合物提取到有机溶剂中,将化合物从有机溶剂中反萃取到碱性水溶液中,并通过向其中加入酸中和碱水溶液 提供式(2)化合物的高纯度晶体或其盐。 其中每个符号如描述中所定义。
    • 99. 发明申请
    • Magnetic tape cartridge
    • 磁带盒
    • US20050087640A1
    • 2005-04-28
    • US10991870
    • 2004-11-19
    • Yusuke IshiharaHideaki ShigaDaisuke Takahashi
    • Yusuke IshiharaHideaki ShigaDaisuke Takahashi
    • G11B23/107G11B23/26
    • G11B23/107G11B23/26
    • A magnetic tape cartridge includes a cartridge case, a single tape reel, and a tape leader pin. The cartridge case has a tape leader opening in the side wall thereof. The tape reel with magnetic tape wound thereon is rotatably housed within said cartridge case. The tape leader pin is firmly attached to the leading end of said magnetic tape and is detachably held near the tape leader opening by a spring member. The surface hardness of the sliding surface of the spring member with respect to said tape leader pin is made higher than that of the tape leader pin to prevent an increase in the sliding resistance between the sliding surface of the tape leader pin and the sliding surface of a leader-pin holding spring.
    • 磁带盒包括盒壳体,单个磁带卷盘和带引导销。 盒壳体在其侧壁中具有带引导件开口。 卷绕有磁带的磁带卷轴可旋转地容纳在所述盒壳体内。 带引导销牢固地附接到所述磁带的前端,并且通过弹簧构件可拆卸地保持在带引导开口附近。 使弹簧构件相对于带引导销的滑动表面的表面硬度高于带引导销的表面硬度,以防止带引导销的滑动表面与滑动表面之间的滑动阻力增加 一个领头针扣弹簧。