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    • 5. 发明授权
    • High-capacity jukebox device for storing and accessing computer-readable media
    • 用于存储和访问计算机可读介质的大容量点播机设备
    • US06230074B1
    • 2001-05-08
    • US09099056
    • 1998-06-17
    • Hiroyuki Shinkai
    • Hiroyuki Shinkai
    • G60F700
    • G06F3/0605G06F3/0634G06F3/0677G11B17/22G11B27/002G11B27/11G11B27/34G11B27/36G11B2220/213G11B2220/2545G11B2220/2562G11B2220/65
    • A high-capacity jukebox device for storing and accessing computer readable media. The present invention comprises a 1394-to-ATAPI bridge for coupling to other devices via an IEEE 1394 bus, an ATAPI drive coupled to the ATAPI bridge for communicating with the other devices, and a jukebox controller for controlling the robotics mechanism of the jukebox device. Significantly, according to one embodiment of the present invention, the ATAPI drive comprises a first serial port and the ATAPI jukebox controller includes a second serial port coupled to the first serial port for communicating with the ATAPI drive. In this way, the expensive conventional SCSI LSI and SCSI firmware are eliminated from the jukebox controller, effectively lowering the manufacturing and development costs of the jukebox of the present invention. An additional benefit is that ATAPI drives are less costly than SCSI drives and are more widely available. Since most commercially available embedded processors include a serial interface, implementation cost for such a design is also low, and modifications to existing ATAPI drives are also minimal. Another benefit of the jukeboxes of the present invention is that a large number of them can be daisy-chained together.
    • 用于存储和访问计算机可读介质的大容量点播机设备。 本发明包括一个1394-to-ATAPI桥接器,用于通过IEEE 1394总线耦合到其它设备,耦合到ATAPI桥接器的ATAPI驱动器与其他设备进行通信;以及自动点唱机控制器,用于控制自动点唱机设备的机器人机构 。 重要的是,根据本发明的一个实施例,ATAPI驱动器包括第一串行端口,并且ATAPI点播机控制器包括耦合到第一串行端口的用于与ATAPI驱动器进行通信的第二串行端口。 以这种方式,从点播机控制器中消除了昂贵的常规SCSI LSI和SCSI固件,从而有效地降低了本发明的点播机的制造和开发成本。 另外一个好处是,ATAPI驱动器比SCSI驱动器成本更低,而且更广泛的可用。 由于大多数市售的嵌入式处理器包括串行接口,因此这种设计的实施成本也很低,对现有ATAPI驱动器的修改也很少。 本发明的点播机的另一个好处是它们中的大量可以被菊花链连接在一起。
    • 9. 发明授权
    • Pump equipment and method for assembling same
    • 泵设备及组装方法
    • US06347843B1
    • 2002-02-19
    • US09295311
    • 1999-04-21
    • Takashi MurayamaTakeshi FuchidaDaizo ObaHiroyuki ShinkaiToshiya Morikawa
    • Takashi MurayamaTakeshi FuchidaDaizo ObaHiroyuki ShinkaiToshiya Morikawa
    • B60T840
    • F04C15/0042B60T8/348B60T8/4031B60T8/4872B60T17/02F04C2/102F04C11/001F04C2230/231F04C2230/60Y10T29/49236
    • In a pump equipment having one or more rotary pumps for a hydraulic circuit, the intake port is communicated with the shaft hole for inserting the drive shaft and fluid flows through the shaft hole to a fluid groove provided in inner surfaces of the pump room for the purpose of lubrication. To prevent fluid leakage to the outside, first and second oil seals are disposed for filling the clearance between the drive shaft and the shaft hole and, preferably, a communicating conduit is provided between the first and second oil seals to transmit the fluid leaked through the first oil seal to a low pressure fluid conduit of the hydraulic circuit. In particular, in the pump equipment having plural rotary pumps, the respective discharge ports of the rotary pumps are located at the points which are nearly symmetrical with respect to the center axis of the drive shaft to counterbalance each other, the reaction forces against the drive shaft to be produced by the high pressure at the respective discharge ports.
    • 在具有用于液压回路的一个或多个旋转泵的泵设备中,进气口与用于插入驱动轴的轴孔连通,并且流体通过轴孔流动到设置在泵室内表面的流体槽,用于 润滑目的。 为了防止流体泄漏到外部,设置第一和第二油封以填充驱动轴和轴孔之间的间隙,并且优选地,在第一和第二油封之间设置连通导管,以传递通过 第一个油封到液压回路的低压流体管道。 特别地,在具有多个旋转泵的泵设备中,旋转泵的各排出口位于相对于驱动轴的中心轴线近似对称的位置上,以抵抗驱动力 轴由相应排出口处的高压产生。