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    • 61. 发明授权
    • Mold for forming a tape cassette reel
    • 用于形成磁带盒的模具
    • US5160752A
    • 1992-11-03
    • US682970
    • 1991-04-10
    • Kiyoshi UrayamaMasanori Sato
    • Kiyoshi UrayamaMasanori Sato
    • B29C45/33B65H75/14
    • B29C45/33B65H75/14B65H2701/37
    • A tape cassette reel molding apparatus which includes upper and lower opposed molds for forming upper and lower flanges of the tape cassette reel and first and second hub molds provided between the upper and lower molds, the first and second hub molds each having an opposing face which has a semicylindrical cavity therein, at least one of the first and second hub molds being slidable in a direction parallel to the face of the upper mold and away from the other of the first and second hub molds so that when the upper and lower molds and the first and second hub molds are slid into position against each other, the respective cavities therein are all contiguous and a unitary tape cassette reel can be molded.
    • 一种盒式磁带盒成型装置,包括用于形成磁带盒卷盘的上下凸缘的上下相对的模具,以及设置在上下模具之间的第一和第二轮毂​​模具,第一和第二轮毂​​模具各自具有相对的面, 在其中具有半圆柱形空腔,第一和第二轮毂​​模具中的至少一个可沿平行于上模具的表面的方向滑动并且远离第一和第二轮毂​​模具中的另一个,使得当上模具和下模具 第一和第二轮毂​​模具彼此滑动就位,其中的各个空腔都是相邻的,并且可以模制单一的带盒卷轴。
    • 62. 发明授权
    • Production of wholly aromatic polyester film
    • 生产纯粹的芳香聚酯薄膜
    • US5091138A
    • 1992-02-25
    • US648642
    • 1991-01-31
    • Toshinori IshiiMasanori Sato
    • Toshinori IshiiMasanori Sato
    • B29C55/12B29K67/00B29L7/00C08G63/06C08G63/682C08J5/18
    • C08J5/18C08G63/065C08J2367/04
    • A wholly aromatic polyester film, (A) which is made of a wholly aromatic polyester consisting essentially of the following recurring units I and II ##STR1## wherein the aromatic ring may be optionally substituted with at least one substituent selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a halogen atom and a phenyl group, said wholly aromatic polyester comprising 10 to 90 mol % of the recurring unit I and 90 to 10 mol % of the recurring unit II, being capable of forming an optically anisotropic melt phase, and having a melt strength at a temperature 20.degree. C. higher than its transition temperature to liquid crystal of at least 2.0 g/mm.sup.2 ; (B) said film having an oxygen permeability of not more than 1.0 cc.20.mu./m.sup.2.day.atm at a temperature 20.degree. C. and a relative humidity 65%; and (C) said film having thermal shrinkages both in the machine direction and in a direction perpendicular thereto of not more than 1% at a temperature 250.degree. C. Said wholly aromatic polyester film can be produced by melt-extruding a wholly aromatic polyester to form into a film under conditions that a shear rate applied to the wholly aromatic polyester in a molten state at the exit of the molding die is not less than 500 sec.sup.-1.
    • 63. 发明授权
    • Optical filter for color imaging device
    • 彩色成像装置用滤光片
    • US4626897A
    • 1986-12-02
    • US494449
    • 1983-05-13
    • Masanori SatoShusaku NagaharaKenji Takahashi
    • Masanori SatoShusaku NagaharaKenji Takahashi
    • G02B27/09G02B27/46H04N9/04H04N9/07H04N9/077G02B5/30G02B27/28
    • G02B27/0988G02B27/46H04N9/07
    • A spatial frequency filter apparatus for suppressing spurious signals of the type generated in a color television camera incorporating a mosaic color encoding filter for multiplexing color signals includes two double refraction plates for filtering natural light introduced through a lens system in both the horizontal and vertical directions and an optical plate, such as a quarter wavelength plate or a rotatory polarization plate, interposed between the two double refraction plates. By causing natural light to transmit through the two double refraction plates and the optical plate before being introduced to the mosaic color encoding filter, the spurious signals are suppressed, whereby false color which may otherwise make an appearance at the contours of an image picked up by the color television camera can be significantly reduced.
    • 一种空间频率滤波装置,用于抑制彩色电视摄像机中产生的混合彩色信号的马赛克彩色编码滤波器产生的杂散信号,包括两个双折射板,用于对在水平和垂直方向上透过透镜系统引入的自然光进行滤波, 插入在两个双折射板之间的光学板,例如四分之一波长板或旋转偏振板。 通过在引入马赛克颜色编码滤光器之前使自然光透过两个双折射板和光学板,抑制杂散信号,由此可能会导致伪像,否则可能会在由图像拾取的图像的轮廓上出现 彩色电视机可以大大减少。
    • 66. 发明授权
    • Selection system for digital signal repeaters
    • 数字信号中继器选择系统
    • US4270029A
    • 1981-05-26
    • US20873
    • 1979-03-15
    • Masanori SatoHiroharu WakabayashiYoshihiro EjiriHitoshi Yamamoto
    • Masanori SatoHiroharu WakabayashiYoshihiro EjiriHitoshi Yamamoto
    • H04B17/40H04B1/60
    • H04B17/406
    • A digital signal repeater selecting system for a digital signal transmission system equipped with a plurality of digital signal repeaters disposed on a transmission line at desired intervals, in which there are provided in each of the repeaters a delay circuit having a particular delay time corresponding to an integral multiple of the unit code length of a digital signal and assigned to the repeater and having its input terminal connected to the transmission line, and a code comparator for comparing the input signal to and the output signal from the delay circuit with each other to produce a predetermined output signal when the both signals are decided to be substantially identical with each other, and in which when a repeater selecting code train repeating in synchronism with the delay time is applied to the transmission line, the repeater to which the delay time is assigned produces the predetermined output signal from the code comparator to allow an operation of selecting the repeater. The above principle can be applied to monitor the condition of the transmission line.
    • 一种用于数字信号传输系统的数字信号中继器选择系统,该数字信号传输系统配备有以所需间隔设置在传输线上的多个数字信号中继器,其中在每个中继器中设置延迟电路,该延迟电路具有对应于 数字信号的单位码长度的整数倍,分配给中继器并将其输入端连接到传输线;以及代码比较器,用于将输入信号与来自延迟电路的输出信号相互比较,以产生 当两个信号被确定为彼此基本相同时,预定的输出信号,并且当将与延迟时间同步的中继器选择代码序列应用于传输线时,分配了延迟时间的中继器 从代码比较器产生预定的输出信号,以允许选择重复的操作 呃 上述原理可用于监测传输线的状况。