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    • 21. 发明授权
    • Disc unit with configuration for performing simultaneous inserting and ejecting operations for disc
    • 具有用于执行光盘同时插入和退出操作的配置的光盘单元
    • US06222811B1
    • 2001-04-24
    • US09265498
    • 1999-03-10
    • Toshihiro SakuraiKenji AbeTakashi Nakashima
    • Toshihiro SakuraiKenji AbeTakashi Nakashima
    • G11B3302
    • G11B17/0515
    • Conventional disc units each involve the problem that a new disc must be inserted into the disc unit after a disc already present in the disc unit is ejected and that therefore it takes time for disc replacement. In the disc unit of the present invention, to solve the above-mentioned problem, a new second disc which has been inserted into the disc unit through an insertion opening is carried from an insertion area to a disc driving section by a conveying means. On the other hand, a first disc already present in the disc unit prior to insertion of the second disc is ejected from an ejection area to the exterior of the disc unit by both first and second ejection members. The time required for disc replacement can be shortened by performing the disc inserting operation by the conveying means and the disc ejecting operation by the first and second ejection members both in a simultaneous manner.
    • 传统的盘单元每个都涉及在盘单元中已经存在的盘被弹出之后必须将新盘插入到盘单元中的问题,因此需要时间来更换盘。 在本发明的盘单元中,为了解决上述问题,通过输入装置从插入区域向盘驱动部分承载已经通过插入口插入到盘单元中的新的第二盘。 另一方面,在插入第二盘之前已经存在于盘单元中的第一盘通过第一和第二排出构件从喷射区域喷射到盘单元的外部。 可以通过执行传送装置的盘插入操作和由第一和第二排出构件以同时的方式弹出操作来缩短盘更换所需的时间。
    • 26. 发明授权
    • Optically active 1,4-hydropyridine compounds
    • 光学活性的1,4-二氢吡啶化合物
    • US5395941A
    • 1995-03-07
    • US216216
    • 1994-03-22
    • Kunio IsshikiTakashi NakashimaHiroshi TanakaTakeo Yoshioka
    • Kunio IsshikiTakashi NakashimaHiroshi TanakaTakeo Yoshioka
    • A61K31/455A61K31/443A61K31/4439A61K31/444A61P9/08A61P9/12A61P43/00C07B53/00C07D211/90C07D405/12C07D405/02
    • C07D405/12C07D211/90Y02P20/55
    • Optically active 1,4-dihydropyridine derivatives represented by general formula (I), process for preparing compounds (Ic) (in general formula (I) , R.sup.1 is a lower alkyl group), process for preparing compounds represented by general formula (II) by hydrolyzing the compounds (Ic) under acidic conditions, process for preparing compounds represented by general formula (II) by solvolysis, under basic conditions, of compounds represented by general formula (III); ##STR1## wherein R.sup.1 is H, a lower alkyl group, a cyanoethyl group, a lower alkanoylaminoethyl group, or a lower dialkylaminoethyl group; R.sup.2 is a 2-tetrahydropyranyl group or a lower alkyloxymethyl group; R.sup.3 is a cyano group, a lower dialkylamino group or a lower alkanoylamino group; and R.sup.4 is a lower alkyl group. The compounds of general formula (I) and (II) are intermediate compounds for preparing optically active 1,4-dihydropyridine derivatives which are useful as medicines for circulatory organs. The compounds can be produced efficiently by the process of the present invention.
    • 通式(I)表示的光学活性的1,4-二氢吡啶衍生物,化合物(Ic)的制备方法(通式(I)中,R 1为低级烷基),由通式(II)表示的化合物的制备方法, 通过在酸性条件下水解化合物(Ic),通过在碱性条件下通过通式(III)表示的化合物的溶剂分解来制备由通式(II)表示的化合物的方法; (II)其中R1是H,低级烷基,氰基乙基,低级烷酰基氨基乙基或低级二烷基氨基乙基; R2是2-四氢吡喃基或低级烷氧基甲基; R3是氰基,低级二烷基氨基或低级烷酰氨基; R4为低级烷基。 通式(I)和(II)的化合物是制备用作循环器官药物的光学活性1,4-二氢吡啶衍生物的中间体化合物。 可以通过本发明的方法有效地制备化合物。
    • 29. 发明授权
    • Rear wheel steering device for a vehicle
    • 汽车后轮转向装置
    • US5083628A
    • 1992-01-28
    • US609636
    • 1990-11-06
    • Hirotaka KanazawaHiroshi OhmuraTakashi Nakashima
    • Hirotaka KanazawaHiroshi OhmuraTakashi Nakashima
    • B62D6/00B62D7/14B62D7/15B62D101/00B62D113/00
    • B62D7/1536B62D7/159
    • A rear wheel steering device for a vehicle which is provided with a rear wheel steering shaft which steers rear wheels by its displacement, a neutrally holding means which constantly biases the rear wheel steering shaft to the neutral position, a motor which is linked with the rear wheel steering shaft and changes the steering angle ratio which is a ratio of the rear wheel steering angle to the front wheel steering angle by displacing the rear wheel steering shaft and an oil pressure assist means which assists displacement of the rear wheel steering shaft by the motor by oil pressure force. This device is further provided with oil pressure supply means which supplies oil pressure to the oil pressure assist means and oil pressure control means which, when working the motor at the initial check, controls the oil pressure supply means to make the oil pressure assist means supply oil pressure to the oil pressure assist means before working of the motor.
    • 一种用于车辆的后轮转向装置,其具有通过其位移来转向后轮的后轮转向轴,将后轮转向轴恒定地偏压到中立位置的中立保持装置,与后方连接的电动机 车轮转向轴,并且通过使后轮转向轴移位来改变作为后轮转向角与前轮转向角的比的转向角比,以及通过电动机辅助后轮转向轴的位移的油压辅助装置 通过油压力。 该装置还具备向油压辅助装置和油压控制机构供给油压的油压供给机构,在初次检查时对电动机进行加工的情况下,控制油压供给机构使供油辅助装置 在电动机工作之前对油压辅助装置的油压。