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    • 91. 发明授权
    • Interference detection and reduction
    • 干扰检测和减少
    • US5222106A
    • 1993-06-22
    • US566679
    • 1990-08-13
    • Gunkichi SatohToshinari KimuraTakashi Inoue
    • Gunkichi SatohToshinari KimuraTakashi Inoue
    • H04B1/10
    • H04B1/1027H04B2001/1072
    • Interference detection and reduction is disclosed in which an interference carrier is reduced by processing a signal of an input frequency to a demodulator such as a PSK signal appended with bit sequence for carrier recovery and bit timing recovery for use in the TDMA system, for example, a signal of the intermediate frequency (IF) band of a 140 MHz center frequency, so that the attenuation of a band-elimination filter is limited to a value smaller than a certain one, or for the frequency bands in which spectra are produced by the bit sequence, the IF signal is combined with the band-elimination filter output via a narrow band-pass filter to control the attenuation in each of these frequency bands to a value smaller than a certain one, thereby preventing the signal quality of the TDMA signal from being degraded by the insertion of the band-elimination filter. An interference detector of a multiplexer sweep system can be obtained by combining the functions of the phase-lock loop and the filter multiplexer so as to permit the estimation of the frequency of an interference carrier with a relatively simple structure.
    • 公开了干扰检测和减少,其中通过将解调器处理输入频率的信号,例如附加用于载波恢复的比特序列的PSK信号和用于TDMA系统的比特定时恢复来减少干扰载波,例如, 140MHz中心频率的中频(IF)频带的信号,使得消除滤波器的衰减被限制为小于某一值的值,或者对于频谱由 通过窄带通滤波器将IF信号与带除滤波器输出组合,以将这些频带中的每一个频带的衰减控制为小于某一频带的衰减值,从而防止TDMA信号的信号质量 通过插入带除滤波器而降级。 可以通过组合锁相环和滤波多路复用器的功能来获得多路复用器扫描系统的干扰检测器,以允许以相对简单的结构估计干扰载波的频率。
    • 97. 发明授权
    • Deflection yoke for a color cathode ray tube
    • 用于彩色阴极射线管的偏转磁轭
    • US4876479A
    • 1989-10-24
    • US197952
    • 1988-05-24
    • Akira KawabataYoshikazu TerasakiTakashi InoueHidenori Takita
    • Akira KawabataYoshikazu TerasakiTakashi InoueHidenori Takita
    • H01J29/56H01J29/70
    • H01J29/566H01J29/705H01J2229/5687
    • A deflection yoke for a cathode ray tube comprises a generally tubular core, a first deflection coil assembly including a pair of first deflection coils wound on the core and arranged in symmetrical relationship with each other about the longitudinal axis of the core and operable to deflect electron beams, traveling from an electron gun assembly towards a phosphor-coated screen region, in a horizontal direction, and a second deflection coil assembly generally toroidally wound on the core and operable to deflect the electron beams in a vertical direction. A pair of magnetic members are mounted on the core in opposition to each other and positioned on the imaginary horizontal axis perpendicular to the longitudinal axis of the core while spaced 180.degree. from each other about the longitudinal axis of the core. Each of the magnetic members is constituted by a generally elongated body having a pair of legs protruding from the elongated body which legs are spaced from each other in a vertical direction. A magnetizing member for each magnetic member is also provided for developing predetermined poles in the legs of each of the magnetic members.
    • 用于阴极射线管的偏转线圈包括大致管状的芯,第一偏转线圈组件,其包括缠绕在芯上的一对第一偏转线圈,并围绕芯的纵向轴线对称地布置,并且可操作地偏转电子 横向从水平方向从电子枪组件移动到磷光体屏幕区域;以及第二偏转线圈组件,其大致环形缠绕在磁芯上并且可操作以沿垂直方向偏转电子束。 一对磁性构件彼此相对地安装在芯上,并且位于垂直于芯的纵向轴线的假想水平轴上,同时围绕芯的纵向轴线彼此隔开180度。 每个磁性构件由通常细长的主体构成,该主体具有从细长主体突出的一对腿,所述腿在垂直方向上彼此间隔开。 每个磁性构件的磁化构件还设置用于在每个磁性构件的腿部中形成预定的极点。
    • 99. 发明授权
    • Block-divided driving of a thermal printhead
    • 热打印头的分块驱动
    • US4639741A
    • 1987-01-27
    • US755579
    • 1985-07-16
    • Takashi Inoue
    • Takashi Inoue
    • B41J2/35B41J2/355H04N1/23G01D15/10
    • B41J2/3551
    • A thermal printhead driving system of the present invention is to be applied to the case in which a print line is divided into two or more blocks and the print line is driven block by block from one end to the other in sequence. In accordance with the present driving system, a dot of interest is monitored as to whether it is a dot at each end of a block or not, and this information is used to differently define an address which is used to access a predetermined table of driving energy levels. In the preferred embodiment, the address is so defined to access an increased energy level if the dot of interest is an end dot of a block thereby providing an increasing level of driving energy to the end dot, so that a printed image high in quality can be obtained even with a block driving scheme.
    • 本发明的热打印头驱动系统应用于将打印线划分成两个或更多个块并且打印行从一端逐个地逐个驱动的情况。 根据当前的驱动系统,监视感兴趣点是否是在块的每个端部处的点,并且该信息用于不同地定义用于访问预定的驾驶表的地址 能量水平 在优选实施例中,如果感兴趣的点是块的终点,则该地址被定义为访问增加的能级,从而为端点提供增加的驱动能量的水平,使得高质量的打印图像可以 即使采用块驱动方案即可获得。