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    • 18. 发明授权
    • Method for coiling a wire around a stator core
    • 绕定子铁心绕线的方法
    • US06239528B1
    • 2001-05-29
    • US09456544
    • 1999-12-08
    • Kiyoshi SawadaTomohiko KawaiMasaki Suzuki
    • Kiyoshi SawadaTomohiko KawaiMasaki Suzuki
    • H02K100
    • H02K3/04H02K3/46H02K15/08Y10T29/49071
    • A winding of a motor is formed by coiling a wire around a slotless stator core with combination of troidal coiling and array coiling. The toroidal coiling is carried out in a manner such that the wire is coiled without any intersecting turns in one direction for the formation of the winding as it is coiled rotating spirally. By this coiling method, the accuracy of the position of the winding in the direction tangent to the surface of the stator core can be improved. The array coiling is carried out in a manner such that the winding is formed in layers that are stacked on one another. By this coiling method, the accuracy of the position of the winding in the direction normal to the surface of the stator core can be improved. Thus, the overall thickness of the winding can be made uniform.
    • 电动机的绕组通过将铁丝缠绕在无槽定子芯上并通过组合线状卷绕和阵列卷绕而形成。 环形卷绕以这样的方式进行,使得线圈在一个方向上没有任何相交的匝卷绕,以便在卷绕螺旋状旋转时形成绕组。 通过这种卷取方法,能够提高与定子铁芯的表面相切的方向的绕组的位置精度。 阵列卷绕以使得绕组形成为彼此堆叠的层的方式进行。 通过这种卷取方法,可以提高绕组在与定子铁心表面垂直的方向上的位置精度。 因此,可以使绕组的整体厚度均匀。
    • 19. 发明授权
    • Cleaning medium for magnetic recording devices
    • 磁记录装置用清洁介质
    • US6086986A
    • 2000-07-11
    • US276672
    • 1999-03-26
    • Masaki SuzukiHiroo Inaba
    • Masaki SuzukiHiroo Inaba
    • G11B5/41G11B5/708
    • G11B5/41Y10S428/90Y10T428/256Y10T428/257Y10T428/265
    • A cleaning medium for magnetic recording devices comprises a non-magnetic substrate, a lower coating layer, which is overlaid upon the non-magnetic substrate and primarily contains a binder and non-magnetic inorganic particles dispersed in the binder, and a cleaning layer, which is overlaid upon the lower coating layer and contains a binder and inorganic particles dispersed in the binder and at least containing ferromagnetic particles. An at least 50% by weight portion of the non-magnetic inorganic particles, which are contained in the lower coating layer, is constituted of granular inorganic particles, which have a mean particle diameter of at most 0.08 .mu.m, or acicular inorganic particles, which have a mean longer axis length falling within the range of 0.05 .mu.m to 0.3 .mu.m and an acicular ratio falling within the range of 3 to 20. The cleaning medium removes dirt from magnetic heads with high cleaning power, such that the wear of the magnetic heads may be small and no scratch may occur on the cleaned magnetic heads.
    • 用于磁记录装置的清洁介质包括非磁性基底,下涂层,其覆盖在非磁性基底上并且主要包含分散在粘合剂中的粘合剂和非磁性无机颗粒以及清洁层,其中 覆盖在下涂层上并含有分散在粘合剂中并且至少含有铁磁颗粒的粘合剂和无机颗粒。 包含在下涂层中的至少50重量%的非磁性无机颗粒由平均粒径为至多0.08μm的粒状无机颗粒或针状无机颗粒构成, 其平均长轴长度在0.05μm至0.3μm的范围内,针状比落在3至20的范围内。清洁介质以高清洁力从磁头去除灰尘,使得磨损 磁头可能很小,并且在清洁的磁头上不会发生划痕。
    • 20. 发明授权
    • Radio receiver having temperature compensated voltage controlled crystal
oscillator
    • 具有温度补偿压控晶体振荡器的无线电接收机
    • US6026278A
    • 2000-02-15
    • US969463
    • 1997-11-13
    • Masaki Suzuki
    • Masaki Suzuki
    • H04B1/26H04B1/16H04Q7/14H04B7/00
    • H04W52/0235Y02B60/50
    • In a radio receiver, a voltage-controlled crystal oscillator of a radio frequency section produces a local carrier for mixing it with a received radio signal to produce an analog output signal. A threshold decision circuit comprising an average circuit and a comparator compares this output signal with a decision threshold and produces a digital signal. A synchronization detector produces an in-sync signal when a synchronization bit pattern is present in the digital signal. Otherwise, it produces an out-of-sync signal. The radio-frequency section is periodically activated and deactivated by power saving pulses. Frequency control circuitry varies a control voltage applied to the voltage-controlled crystal oscillator by a predetermined amount if a predetermined number of the power saving pulses is produced after the instant the out-of-sync signal is produced. The control voltage will be varied if the same number of power saving pulses is produced again in the presence of the out-of-sync signal after the control voltage was varied previously. The control voltage is maintained at a level which is obtained at the instant the in-sync signal is produced.
    • 在无线电接收机中,射频部分的压控晶体振荡器产生用于将其与接收的无线电信号混合的本地载波,以产生模拟输出信号。 包括平均电路和比较器的阈值判定电路将该输出信号与判定阈值进行比较,并产生数字信号。 当数字信号中存在同步位模式时,同步检测器产生同步信号。 否则,它产生不同步信号。 射频部分通过省电脉冲周期性地激活和去激活。 如果在产生不同步信号之后产生预定数量的功率节省脉冲,则频率控制电路将施加到压控晶体振荡器的控制电压改变预定量。 如果在控制电压先前改变之后,在存在不同步信号的情况下再次产生相同数量的省电脉冲,则控制电压将变化。 控制电压保持在产生同步信号的瞬间获得的电平。