Roller bearing backing ring
    11.
    发明授权
    Roller bearing backing ring 有权
    滚子轴承衬环

    公开(公告)号:US08226299B2

    公开(公告)日:2012-07-24

    申请号:US12584820

    申请日:2009-09-14

    IPC分类号: F16C33/58 F16C43/04

    摘要: A novel two-piece backing ring assembly for a railcar axle is presented. The backing ring assembly has an annular body affixed to the fillet of the journal and a locking ring for further affixing the annular body into position on the journal. The locking ring has an inboard end affixed to the dust guard of the shaft and an outboard end for engaging a slot in the annular body. The locking ring assembly may be retrofitted to older generation railcar axles to increase the structural rigidity of the bearing assembly and minimize fretting wear caused by railcar axle deflection.

    摘要翻译: 提出了一种用于轨道车轴的新型两件式衬环组件。 背衬环组件具有固定到轴颈的圆角的环形体和用于进一步将环形体固定在轴颈上的位置的锁定环。 锁定环具有固定到轴的防尘罩的内侧端部和用于接合环形体中的狭槽的外侧端部。 锁定环组件可以被改装到老一代轨道车轴,以增加轴承组件的结构刚度并且最小化由轨道车辆轴偏转引起的磨损磨损。

    Modulation schemes for reduced power amplifier backoff
    14.
    发明申请
    Modulation schemes for reduced power amplifier backoff 审中-公开
    降低功率放大器退避的调制方案

    公开(公告)号:US20050249311A1

    公开(公告)日:2005-11-10

    申请号:US10841657

    申请日:2004-05-07

    CPC分类号: H04B1/707 H04B2201/70706

    摘要: A method in a radio transmitter, the method including generating indices, for example, with an index generator (132), encoding information by selecting different subsets of correlation-separable signals, for example, by multiplexing orthogonal spreading codes with indices input to a multiplexor (142), encoding information by modulating at least some of the indices with a modulator (134), and combining the information encoded by selecting the different subsets of correlation-separable signals with the information encoded by modulating at least some of the indices.

    摘要翻译: 一种无线电发射机中的方法,该方法包括例如利用索引发生器(132)生成索引,通过选择不同的相关可分离信号子集来编码信息,例如通过将正交扩展码与输入到多路复用器的索引 (142),通过用调制器(134)调制至少一些索引来编码信息,以及将通过选择不同相关可分离信号子集编码的信息与通过调制至少一些索引编码的信息进行组合。

    Channel estimation in a rake receiver of a CDMA communication system
    15.
    发明申请
    Channel estimation in a rake receiver of a CDMA communication system 失效
    CDMA通信系统的耙式接收机中的信道估计

    公开(公告)号:US20050036537A1

    公开(公告)日:2005-02-17

    申请号:US10640487

    申请日:2003-08-13

    IPC分类号: H04B1/707 H04L1/20 H04L25/02

    摘要: A method and apparatus for channel estimation in a rake receiver of a CDMA communication system operates with a finite-impulse-response channel estimation s filter with L taps and having a fixed delay. A pilot sequence of a received sequence of data from a channel of the communication system on the rake receiver is input. A quality of the channel of the communication system is determined using noise or Doppler measurements. These measurements are used in adjusting a bandwidth of the filter to accommodate the channel quality while keeping the fixed delay, which minimizes the delay buffer size. The filter is then used to operate on the received sequence of data to provide coherent modulation.

    摘要翻译: 用于CDMA通信系统的耙式接收机中的信道估计的方法和装置利用具有L个抽头并具有固定延迟的有限脉冲响应信道估计滤波器进行操作。 输入来自rake接收机上的通信系统的信道的接收的数据序列的导频序列。 使用噪声或多普勒测量来确定通信系统的信道的质量。 这些测量用于调整滤波器的带宽以适应信道质量,同时保持固定的延迟,这使延迟缓冲器大小最小化。 然后使用滤波器对所接收的数据序列进行操作以提供相干调制。

    Piezoelectric transformer and operating method
    17.
    发明授权
    Piezoelectric transformer and operating method 失效
    压电变压器及其操作方法

    公开(公告)号:US06342753B1

    公开(公告)日:2002-01-29

    申请号:US09669241

    申请日:2000-09-25

    IPC分类号: H01L4108

    CPC分类号: H03H9/0222 H01L41/107

    摘要: A piezoelectric transformer has pairs of input/output electrodes located on a piezoelectric body corresponding to period locations on a standing sine wave superimposed on said body, and having a waveform corresponding to vibrational modes of the piezoelectric body at resonance. The transformer also has a grounded guard electrodes to reduce parasitic coupling between its input and output regions.

    摘要翻译: 压电变压器具有位于压电体上的输入/输出电极对,其对应于叠加在所述主体上的立体正弦波上的周期位置,并且具有对应于压电体在谐振时的振动模式的波形。 变压器还具有接地的保护电极,以减少其输入和输出区域之间的寄生耦合。

    Zone venting in a fluid cartridge
    20.
    发明授权
    Zone venting in a fluid cartridge 有权
    在流体盒中进行区域排气

    公开(公告)号:US08469499B2

    公开(公告)日:2013-06-25

    申请号:US12739999

    申请日:2007-12-07

    IPC分类号: B41J2/175

    摘要: In one embodiment, a cartridge includes: a housing having a chamber therein for holding a fluid; a vent at a first part of the chamber; a porous fluid holding material in the chamber; an outlet from the chamber; and a hole extending through the fluid holding material from the first part of the chamber to a second part of the chamber at a location away from the outlet such that the second part of the chamber is vented through the hole but the outlet is not vented through the hole.

    摘要翻译: 在一个实施例中,盒包括:壳体,其中具有用于保持流体的室; 在室的第一部分处的通风口; 在所述室中的多孔流体保持材料; 从室的出口; 以及在远离出口的位置处延伸穿过流体保持材料从孔的第一部分到腔室的第二部分的孔,使得腔室的第二部分通过孔而排出,但是出口不通过 那个洞。