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    • 5. 发明授权
    • Polyamic acid and polyimide microfine particles and process for their production
    • 聚酰胺酸和聚酰亚胺微粒及其生产工艺
    • US06187899B1
    • 2001-02-13
    • US09257234
    • 1999-02-25
    • Katsuya AsaoHidenori Saito
    • Katsuya AsaoHidenori Saito
    • C08G7310
    • C08J3/12C08G73/10C08J3/14C08J2379/08C08L79/08
    • A process for producing polyimide microfine particles which is amenable to free control of particle morphology and particle diameter distribution is provided. A polyamic acid and a polyimide, each in the form of microfine particles with good monodispersibility, are also provided. There is also provided a process for producing polyimide microfine particles from a tetracarboxylic anhydride and a diamine compound which comprises (a) a first step of preparing a first solution containing the tetracarboxylic anhydride and a second solution containing the diamine compound, (b) a second step of mixing the first and second solutions and causing a polyamic acid to precipitate in the form of microfine particles from the mixed solution under ultrasonic agitation, and (c) a third step of imidating the polyamic acid particles to provide the objective polyimide in the form of microfine particles.
    • 提供了一种可以自由控制颗粒形态和粒径分布的生产聚酰亚胺微粒的方法。 还提供了具有良好的单分散性的微细颗粒形式的聚酰胺酸和聚酰亚胺。 还提供了由四羧酸酐和二胺化合物制备聚酰亚胺微粒的方法,该方法包括(a)制备含有四羧酸酐的第一溶液的第一步骤和含有二胺化合物的第二溶液,(b)第二步 混合第一溶液和第二溶液并使聚酰胺酸在超声波搅拌下从混合溶液中以微细颗粒的形式沉淀的步骤,和(c)第三步骤,酰亚胺化聚酰胺酸颗粒以提供形式的目标聚酰亚胺 的微细颗粒。
    • 6. 发明申请
    • CONTROL APPARATUS FOR VEHICULAR AUTOMATIC TRANSMISSION
    • 用于车辆自动变速器的控制装置
    • US20130253786A1
    • 2013-09-26
    • US13990570
    • 2010-12-06
    • Hidenori SaitoToshio Sugimura
    • Hidenori SaitoToshio Sugimura
    • F16H61/68
    • F16H61/68F16H61/12F16H61/686F16H2061/1208F16H2061/1232F16H2061/1268Y10T74/19251
    • A control apparatus for a vehicular automatic transmission configured to selectively establish a plurality of shift positions by respective combinations of frictional coupling devices of a plurality of frictional coupling devices in an engaged state thereof, with output hydraulic pressures of respective ones of a plurality of solenoid valves provided in a hydraulic control circuit, includes a fail-safe control portion configured to perform a predetermined fail-safe function when shifting direction values requiring a shifting control of said vehicular automatic transmission and shifting output values respectively generated according to said shifting direction values are not coincident with each other, said shifting output values being represented by respective electric signals for driving said plurality of solenoid valves.
    • 一种用于车辆自动变速器的控制装置,其构造成通过在其接合状态下的多个摩擦联接装置的摩擦联接装置的各自组合选择性地建立多个换档位置,其中多个电磁阀中的相应的电磁阀的输出液压 设置在液压控制回路中,包括故障保护控制部,被配置为在需要所述车辆自动变速器的变速控制的换档方向值和根据所述换档方向值分别产生的换档输出值时,执行预定的故障保护功能 所述变速输出值由用于驱动所述多个电磁阀的各个电信号表示。
    • 9. 发明授权
    • Storage device having a chasis integral with a stationary optical unit
    • 具有与固定光学单元一体的凹槽的存储装置
    • US06717901B2
    • 2004-04-06
    • US09814157
    • 2001-03-21
    • Moriyasu MaenoHidenori SaitoJun AokiMasahiko KataokaKazuyuki Mizuishi
    • Moriyasu MaenoHidenori SaitoJun AokiMasahiko KataokaKazuyuki Mizuishi
    • G11B3302
    • G11B33/121G11B7/08G11B7/1356G11B7/22G11B11/10545G11B11/1055G11B17/0436
    • Provided is a compact inexpensive optical disk drive adaptable to high-density optical disks and having an improved stationary optical unit. The storage device has a first light path and a second light path defined therein. Along the first light path, laser light emanating from a laser light source is passed through a collimator lens and a beam splitter and routed to a movable optical system that is movable on an optical disk. Along the second light path, light reflected from the optical disk and returned from the movable optical system is split into a plurality of rays by the beam splitter, and one of the rays is routed to a sensor via a servo unit and a condenser. An angle at which the second light path meets the first light path is 90°+&agr;° where &agr; denotes a positive number. At this time, a chassis of the storage device is die-cast, and a stationary optical unit having the first and second light paths defined therein is formed as an integral part of the die-cast chassis at an end of the chassis.
    • 提供了一种适用于高密度光盘并且具有改进的固定光学单元的紧凑廉价的光盘驱动器。 存储装置具有限定在其中的第一光路和第二光路。 沿着第一光路,从激光源发出的激光通过准直透镜和分束器,并被路由到可在光盘上移动的可移动光学系统。 沿着第二光路,从光盘反射并从可移动光学系统返回的光被分束器分成多个光线,并且其中一个光线经由伺服单元和冷凝器被路由到传感器。 第二光路与第一光路相遇的角度为90°+α°,其中α表示正数。 此时,存储装置的底盘被压铸,并且具有限定在其中的第一和第二光路的固定光学单元形成为在底架的端部处的压铸底盘的一体部分。