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    • 11. 发明授权
    • Bicycle multiple chainwheel
    • 自行车多功能链
    • US5133695A
    • 1992-07-28
    • US499544
    • 1990-07-02
    • Jun Kobayashi
    • Jun Kobayashi
    • B62M9/10
    • B62M9/105Y10T74/19949Y10T74/2165
    • A bicycle multiple chainwheel is provided which is mounted on a pedal crank for transmitting a rider's pedalling force to a rear gear through a chain. The chainwheel has the following configuration to prevent a chain from being locked to a diametrically larger sprocket or from prematurely disengaging from the larger sprocket before completely shifting to a diametrically smaller sprocket.The larger sprocket has circumferentially asymmetric teeth located in at least one of diametrically opposite angular regions which contain a diametrical line of the larger sprocket extending along crank arms of the pedal crank, each of the asymmetric teeth being offset relative to a corresponding pitch center in the forward rotational direction of the chainwheel in comparison with the other normal teeth of the larger sprocket.
    • PCT No.PCT / JP90 / 00176 Sec。 371日期1990年7月2日 102(e)1990年7月2日PCT 1990年2月13日提交PCT公布。 公开号WO90 / 09308 日期1990年8月23日。提供一种自行车多重链轮,其安装在踏板曲柄上,用于通过链传递骑手的踏力传递到后齿轮。 链轮具有以下构造,以防止链条被锁定到直径较大的链轮上,或者在完全移动到直径较小的链轮之前从较大链轮过早地脱离。 较大的链轮具有位于至少一个直径相对的角区域中的周向不对称齿,所述角区域包含沿着踏板曲柄的曲柄臂延伸的较大链轮的直径线,每个不对称齿相对于相应的间距中心偏移 与较大链轮的其他正常齿相比,链轮的前进方向。
    • 16. 发明授权
    • Biaxially oriented polyester film
    • 双轴取向聚酯薄膜
    • US07582369B2
    • 2009-09-01
    • US10589802
    • 2005-02-17
    • Jun KobayashiYasuo Nishigaki
    • Jun KobayashiYasuo Nishigaki
    • B32B15/08B32B15/09B32B27/36G11B5/62G11B5/73
    • C08J5/18B29D7/01B29K2067/00C08J2367/02G11B5/7305Y10S428/91Y10T428/24942Y10T428/31678Y10T428/31681Y10T428/31786
    • A biaxially oriented polyester film wherein the microscopic Raman crystallization index Ic measured in the film thickness direction is in a range of 8 cm−1 to 15 cm−1 and the difference between the maximum value and the minimum value of Ic is 1 cm−1 or less. Another biaxially oriented polyester film wherein the relative power (I10TD) of spatial frequency (1/mm) measured along the transverse direction of at least one surface of the polyester film having been heat treated at 100° C. for 24 hours is in a range of −25 to 0 dB. These biaxially oriented polyester films are films good in microplanarity even after high-temperature storage or heat loading during processing. These biaxially oriented polyester films are useful as polyester films for use in a magnetic recording material, an electronic material, a stencil film, a sublimatic ribbon and a package material. In particular, these biaxially oriented polyester films are useful when employed as a base film for a high-density magnetic recording medium, especially, a double layer metal coated digital recording medium according to linear recording system.
    • 一种双轴取向聚酯膜,其中在膜厚度方向测量的微观拉曼结晶指数Ic在8cm -1至15cm -1的范围内,并且Ic的最大值和最小值之间的差为1cm -1 或更少。 另一种双轴取向聚酯薄膜,其中沿着聚酯薄膜的至少一个表面在100℃下热处理24小时的沿横向测量的空间频率(1 / mm)的相对功率(I10TD)在一定范围内 -25至0dB。 这些双轴取向聚酯膜即使在加工过程中高温储存或热负载后,也具有良好的微平面性能。 这些双轴取向聚酯膜可用作用于磁记录材料,电子材料,蜡纸,亚光带和包装材料的聚酯膜。 特别地,当用作高密度磁记录介质的基膜,特别是根据线性记录系统的双层金属涂覆数字记录介质时,这些双轴取向聚酯膜是有用的。
    • 20. 发明授权
    • Magnetic recording/reproducing apparatus
    • 磁记录/再现装置
    • US4796108A
    • 1989-01-03
    • US83164
    • 1987-08-10
    • Jun Kobayashi
    • Jun Kobayashi
    • H04N5/76H04N5/783H04N5/93H04N5/932H04N5/937H04N5/78
    • H04N5/9305H04N5/932H04N5/937
    • A magnetic recording/reproducing apparatus, in which a video signal is recorded on and reproduced from a magnetic tape by helical scanning with a plurality of rotary magnetic heads, comprises a field memory storing a one-field portion of the video signal in accordance with an address signal, a circuit generating a control signal controlling memory read/write operations, a circuit generating a substituting signal substituting a predetermined period of the output signal of the field memory, and a circuit for setting the period of substitution, so that the substitution starting position is changed over in synchronism with the timing of starting the write operation.
    • 一种磁记录/再现装置,其中通过用多个旋转磁头的螺旋扫描将视频信号记录在磁带上并从磁带中再现,其包括:场存储器,其根据图像信号存储视频信号的一场部分 产生控制存储器读/写操作的控制信号的电路,产生代替场存储器的输出信号的预定周期的替代信号的电路和用于设置替换周期的电路,使得替代开始 与开始写入操作的定时同步地改变位置。