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    • 2. 发明授权
    • Diversity receiving apparatus for a mobile unit
    • 用于移动单元的分集接收装置
    • US5777693A
    • 1998-07-07
    • US690904
    • 1996-08-01
    • Takaaki KishigamiMasahiro MimuraMakoto HasegawaTadaaki UshiyamaMasahiko NakamuraYoshinori Takagi
    • Takaaki KishigamiMasahiro MimuraMakoto HasegawaTadaaki UshiyamaMasahiko NakamuraYoshinori Takagi
    • H04B7/08H04N5/44H04N21/414H04N21/426H04N21/438H04N21/442
    • H04N5/44H04B7/0811H04N21/41422H04N21/4263H04N21/4383H04N21/44209
    • In a first diversity receiving apparatus, during an antenna selection operation, one of antennas are selected such that each of antennas successively connected to a receiver for consecutive horizontal retrace periods but for horizontal scanning periods following the horizontal retrace period, the selected antenna showing a largest level at the previous antenna selection operation is connected to the receiver to detect levels derived from respective antennas. The antenna showing a largest level is selected at the current antenna selection operation to receive a radio wave television signal for the following M (a natural number) horizontal scanning cycles. M is changed in accordance with the phasing condition. For example, M is changed according to a speed of vehicle, a field intensity, a frequency of the received television signal, etc. The switching circuit and tuner may be provided doubly to prevent the affection of switching noise. A second apparatus determines the selected antenna by further detecting noise levels derived from the respective antennas during a vertical retrace period. A frequency of switching of antennas for determining the selected antenna is reduced to reduce a switching noise on the reproduced image or in the reproduced sound.
    • 在第一分集接收装置中,在天线选择操作期间,选择天线之一,使得每个天线连续地连接到接收机,用于连续水平回扫周期,但是在水平回扫周期之后的水平扫描周期中,所选择的天线显示最大 先前天线选择操作的电平连接到接收机以检测从相应天线导出的电平。 在当前天线选择操作中选择显示最大电平的天线,以接收用于后续M(自然数)的水平扫描周期的无线电波电视信号。 M根据相位条件而改变。 例如,根据车辆的速度,场强,接收的电视信号的频率等来改变M。可以双重地提供开关电路和调谐器以防止开关噪声的影响。 第二装置通过在垂直回扫期间进一步检测从相应天线导出的噪声水平来确定所选择的天线。 用于确定所选择的天线的天线的切换频率被减小以减少再现图像上的切换噪声或再现的声音。
    • 3. 发明授权
    • Mobile television receiver
    • 移动电视接收机
    • US5986720A
    • 1999-11-16
    • US845442
    • 1997-04-25
    • Takaaki KishigamiMasahiro MimuraMakoto HasegawaMasahiko NakamuraYoshinori TakagiMasanobu Kanaya
    • Takaaki KishigamiMasahiro MimuraMakoto HasegawaMasahiko NakamuraYoshinori TakagiMasanobu Kanaya
    • H04N5/21H04N5/44H04N21/414H04N21/442H04N5/455
    • H04N5/44H04N21/41407H04N21/44209H04N5/21
    • A mobile television receiver includes a TV tuner demodulating an incoming TV signal into a first video signal. A first horizontal sync signal is separated from the first video signal. Detection is made as to a quality of an image represented by the first video signal. A second horizontal sync signal is generated. Detection is made as to a difference between a phase of the first horizontal sync signal and a phase of the second horizontal sync signal. The phase of the second horizontal sync signal is controlled in response to the detected phase difference between the first horizontal sync signal and the second horizontal sync signal so that the second horizontal sync signal will be locked in phase and frequency to the first horizontal sync signal. A memory unit stores the first video signal in response to a memory control signal, and outputs the stored first video signal as a second video signal. The memory control signal is generated in response to the detected image quality. The second video signal is displayed in response to the second horizontal sync signal.
    • 移动电视接收机包括将输入的TV信号解调为第一视频信号的TV调谐器。 第一水平同步信号与第一视频信号分离。 对由第一视频信号表示的图像的质量进行检测。 产生第二水平同步信号。 检测第一水平同步信号的相位与第二水平同步信号的相位之差。 响应于第一水平同步信号和第二水平同步信号之间检测到的相位差来控制第二水平同步信号的相位,使得第二水平同步信号将以相位和频率锁定到第一水平同步信号。 存储单元响应于存储器控制信号存储第一视频信号,并将所存储的第一视频信号作为第二视频信号输出。 响应于检测到的图像质量而产生存储器控制信号。 响应于第二水平同步信号显示第二视频信号。
    • 6. 发明授权
    • Rotary element assembly structure with rotary element capable of rotating about hollow shaft
    • 具有旋转元件的旋转元件组件结构能够围绕空心轴旋转
    • US08881185B2
    • 2014-11-04
    • US13822332
    • 2011-12-09
    • Masanori OhnishiMasahiko NakamuraHiroyuki KusuYasue Chihara
    • Masanori OhnishiMasahiko NakamuraHiroyuki KusuYasue Chihara
    • G11B19/20G11B25/10G11B33/12G11B33/02G11B17/04F16D1/08
    • G11B19/2009F16D1/08G11B17/0405G11B25/10G11B31/006G11B33/027G11B33/122Y10T403/70
    • A rotary element assembly structure in which a rotary element 53 is assembled to a tip side of a hollow shaft B1 provided upright on a pedestal 60. A cylindrical portion 53c for fitting with the hollow shaft is provided to a rotation center portion of the rotary element. In the cylindrical portion, a hook strut portion 53s that has a hook portion 53f overhanging in the radial direction at its tip side and that extends substantially in the fitting direction is arranged. A base end portion of the hook strut portion and a base end portion of the cylindrical portion are coupled with each other by a resin-made thin plate portion 53p. A small diameter portion B1s which is smaller in diameter than a hollow portion B1d of the hollow shaft is provided on the tip side of the hollow shaft. The radius of the overhang tip portion of the hook portion is set to be greater than the radius of the small diameter portion of the hollow shaft, and to be smaller than the radius of the hollow portion. By fitting the hollow shaft with the cylindrical portion of the rotary element, the hook portion on the tip side of the hook strut portion is pushed into the hollow portion via the small diameter portion on the tip side of the hollow shaft. Thereby, the hook portion engages with a stepped portion formed by the hollow portion and the small diameter portion.
    • 一种旋转元件组合结构,其中旋转元件53组装到竖立在基座60上的空心轴B1的顶端侧。用于与中空轴配合的圆柱形部分53c设置在旋转元件的旋转中心部分 。 在圆柱形部分中,布置有一个钩状支柱部分53s,其具有在其前端侧沿径向突出并且基本上沿着装配方向延伸的钩部53f。 钩支柱部分的基端部分和圆柱形部分的基端部分通过树脂制的薄板部分53p彼此联接。 直径小于空心轴的中空部分B1d的小直径部分B1s设置在空心轴的末端侧。 钩部的突出端部的半径被设定为大于中空轴的小直径部的半径,并且小于中空部的半径。 通过将空心轴与旋转元件的圆筒部嵌合,钩支柱部的前端侧的钩部经由中空轴的前端侧的小径部推入中空部。 因此,钩部与由中空部和小直径部形成的阶梯部接合。
    • 10. 发明授权
    • Multi directional input apparatus
    • 多方位输入装置
    • US06509535B2
    • 2003-01-21
    • US09779698
    • 2001-02-09
    • Masahiko Nakamura
    • Masahiko Nakamura
    • H01H1900
    • G05G9/047G05G2009/0474G05G2009/04751
    • It is an object of the present invention to restrain the entire height of a multi-directional input apparatus called a joystick. As shown in FIG. 2, in order to operate a set of upper and lower turning members (40A) and (40B), convex operating portions (42A) and (42B) provided on axially intermediate portions of the turning members (40A) and (40B) are projected downward or upward. A hoisting and lowering slider (50) and a spring (60) for holding the turning members (40A) and (40B) at their neutral positions are disposed on the side where the operating portions (42A) and (42B) are projected such as to be located around the operating portions (42A) and (42B). In order to turnably support the operating member (30), a support portion (32) having a large diameter is provided on an axial portion of the operating member (30) on the opposite side from the side where the operating portions (42A) and (42B) are projected. Turning centers of the operating member (30) and the turning members (40A) and (40B) are located on an upper portion or lower portion in the case (10), and the hoisting and lowering slider (50) and the spring (60) are efficiently accommodated in the lower or upper space.
    • 本发明的目的是限制称为操纵杆的多方向输入装置的整个高度。 如图所示。 如图2所示,为了操作一组上下转动构件(40A)和(40B),设置在转动构件(40A)和(40B)的轴向中间部分上的凸形操作部分(42A)和(42B) 向下或向上 用于将转动构件(40A)和(40B)保持在其中立位置的提升和下降滑块(50)和弹簧(60)设置在操作部分(42A)和(42B)突出的一侧,例如 位于操作部分(42A)和(42B)周围。 为了可转动地支撑操作构件(30),具有大直径的支撑部分(32)设置在操作构件(30)的轴向部分上,与操作部分(42A)和 (42B)。 操作构件(30)和转动构件(40A)和(40B)的转动中心位于壳体(10)的上部或下部,并且升降滑块(50)和弹簧(60) )被有效地容纳在下部或上部空间中。