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    • 21. 发明授权
    • Rotation control apparatus for use with recording medium
    • 用于记录介质的旋转控制装置
    • US5289448A
    • 1994-02-22
    • US967935
    • 1992-10-28
    • Kouichi Sato
    • Kouichi Sato
    • G11B19/28G11B19/24
    • G11B19/28
    • A rotation control apparatus provides servo control over a recording medium, which allows information signals to be read thereto or written therefrom. The apparatus is capable of effecting proper recording or reproduction even immediately after switching of modes. A motor imparts rotary motion to a recording medium; a pulse generator is arranged to detect the rotation of the recording medium and then to output a pulse of frequency proportional to the rotational speed of the recording medium; a servo circuit receives a reference pulse and the pulse output from the pulse generator and then controls the motor to rotate so that the phase difference between the reference pulse and the pulse output from the pulse generator is constant. An internal vertical synchronizing signal generating circuit having a reset terminal, is arranged to supply an internal vertical synchronizing signal of predetermined frequency to the servo circuit as the reference pulse if no reset signal is supplied to the reset terminal, or, if a reset signal is supplied to the reset terminal, to cause the phase of the internal vertical synchronizing signal to coincide with the phase of the reset signal. An external vertical synchronizing signal separating circuit is arranged to receive a composite video signal and to separate an external vertical synchronizing signal from the composite video signal, thereby outputting the external vertical synchronizing signal. A reset-signal supplier supplies the separated external vertical synchronizing signal to the reset terminal of the internal-vertical-synchronizing-signal generating circuit.
    • 旋转控制装置在记录介质上提供伺服控制,这允许信息信号被读取或写入。 该装置即使在切换模式之后也能立即进行适当的记录或再现。 电动机向记录介质施加旋转运动; 脉冲发生器被布置成检测记录介质的旋转,然后输出与记录介质的旋转速度成比例的频率脉冲; 伺服电路接收参考脉冲和从脉冲发生器输出的脉冲,然后控制电动机旋转,使得参考脉冲和从脉冲发生器输出的脉冲之间的相位差恒定。 具有复位端子的内部垂直同步信号发生电路,如果没有复位信号提供给复位端,则将具有预定频率的内部垂直同步信号提供给伺服电路作为参考脉冲,或者如果复位信号为 提供给复位端子,以使内部垂直同步信号的相位与复位信号的相位一致。 布置外部垂直同步信号分离电路以接收复合视频信号并从复合视频信号中分离外部垂直同步信号,由此输出外部垂直同步信号。 复位信号供应器将分离的外部垂直同步信号提供给内垂直同步信号发生电路的复位端。
    • 22. 发明授权
    • Eliminating signal quality deteriorations in a reproduced still image
    • 消除再现的静止图像中的信号质量恶化
    • US5200862A
    • 1993-04-06
    • US759616
    • 1991-09-16
    • Kouichi Sato
    • Kouichi Sato
    • H04N5/92H04N5/93H04N5/932
    • H04N5/932H04N5/9206H04N5/93
    • A device capable of reproducing recording information without error and which eliminates a deterioration in a reproduced image quality during a dubbing operation. The still image reproducing device has a change-over switch that is capable of selectively delivering a demodulated image signal obtained through delaying an image signal by a time corresponding to 0.5 H. A control circuit outputs a switching control signal upon completion of one full rotation of a recording medium. A decoder decodes the demodulated recording information in response to a decoder control circuit, enabling the decoder to operate when the change-over switch is delivering the demodulated composite image signal. In the still image recording device, the composite image signal is FM demodulated. The demodulated composite image signal is multiplexed with a signal obtained by encoding and modulating the recording information. The multiplexed signal is supplied to a recording head through the gate circuit. When the recording trigger signal is received, the gate circuit is opened if the decoder is not supplied with the enable signal at the moment when the rotation pulse is received. When the next rotation pulse is received, the gate circuit is closed if the enable signal is being received by the decoder.
    • 一种能够无误地再现记录信息并且在转录操作期间消除再现图像质量劣化的装置。 静止图像再现装置具有转换开关,该切换开关能够选择性地将通过将图像信号延迟一个对应于0.5H的时间而获得的解调图像信号。控制电路在完成一次完全旋转之后输出切换控制信号 记录介质。 解码器响应于解码器控制电路解码解调的记录信息,使得解码器在转换开关递送解调的合成图像信号时能够操作。 在静止图像记录装置中,合成图像信号被FM解调。 解调的合成图像信号与通过对记录信息进行编码和调制而获得的信号进行复用。 多路复用信号通过门电路提供给记录头。 当接收到记录触发信号时,如果在接收到旋转脉冲时解码器没有提供使能信号,门电路就被打开。 当接收到下一个旋转脉冲时,如果解码器接收到使能信号,则门电路闭合。
    • 27. 发明申请
    • Torque sensor
    • 扭矩传感器
    • US20070012122A1
    • 2007-01-18
    • US11390122
    • 2006-03-28
    • Toshimichi MatsusakiTatsuya OhtakaKouichi SatoYukio Ikeda
    • Toshimichi MatsusakiTatsuya OhtakaKouichi SatoYukio Ikeda
    • G01N19/08
    • G01L3/104
    • A torque sensor 1 is provided with two shafts 3, 4 (input shaft 3 and output shaft 4) which constitute a shaft member 2, which is a torque detection object, an elastic member 5 which connects the shafts 3 and 4 coaxially, and a torsion angle of the elastic member 5 is detected as a torque which affects on the shaft member 2. The torque sensor 1 is provided with a hard magnetic member 6 which generates a magnetic flux therearound, a pair of first soft magnetic members 7, 8 which constitute a first magnetic circuit H1 together with the hard magnetic member 6 to change a reluctance by torsion of the elastic member 5, a pair of second soft magnetic members 9, 10 which constitute a second magnetic circuit H2 together with the hard magnetic member 6 to keep the reluctance constant, and a flux detection means 12 which detects a flux density of the second magnetic circuit H2 that varies in accordance with a torsion angle of the elastic member 5.
    • 扭矩传感器1设置有构成转矩检测对象的轴构件2,同轴地连接轴3和4的弹性构件5的两个轴3,4(输入轴3和输出轴4)和 检测弹性构件5的扭转角作为影响轴构件2的扭矩。扭矩传感器1设置有产生磁通的硬磁性构件6,一对第一软磁性构件7,8 与硬磁体6一起构成第一磁路H 1,以通过弹性部件5的扭转改变磁阻,构成第二磁路H 2的一对第二软磁体9,10与硬磁性体 6以保持磁阻恒定;以及磁通检测装置12,其检测根据弹性构件5的扭转角度变化的第二磁路H 2的磁通密度。
    • 28. 发明授权
    • Torque sensor
    • 扭矩传感器
    • US06456090B1
    • 2002-09-24
    • US09670288
    • 2000-09-25
    • Takeshi IshikawaToshiyuki OnizukaKouichi Sato
    • Takeshi IshikawaToshiyuki OnizukaKouichi Sato
    • G01L302
    • G01L5/221G01L3/105G01L3/109
    • A torque sensor includes a pair of detection coils having the impedances that change in opposite directions of each other corresponding to a torque generated in a rotation shaft. An AC voltage is applied on a bridge circuit including a pair of detection coils and a pair of resistors, a differential voltage between AC voltages that appear on both ends of the pair of detection coils is detected and sent out as the torque signal, and a failure of a circuit component of the torque detecting circuit is judged based on the phase difference between the waveform of the AC voltage applied on the bridge circuit and the waveform of the differential voltage between AC voltages that appear on both ends of the pair of detection coils.
    • 扭矩传感器包括一对检测线圈,其具有与在旋转轴中产生的扭矩相对应的彼此相反方向的阻抗。 在包括一对检测线圈和一对电阻器的桥式电路上施加交流电压,检测出一对检测线圈两端的交流电压之间的差分电压作为转矩信号,并输出 基于在桥式电路上施加的交流电压的波形与出现在该对检测线圈的两端的交流电压之间的差分电压的波形之间的相位差来判断转矩检测电路的电路部件的故障 。
    • 29. 发明授权
    • Optical glass and optical product
    • 光学玻璃和光学产品
    • US06413894B1
    • 2002-07-02
    • US09299618
    • 1999-04-27
    • Kouichi Sato
    • Kouichi Sato
    • C03C3064
    • C03C3/064Y10S501/90Y10S501/903
    • When a glass melt of an optical glass having a refractive index (nd) of at least 1.7 and an Abbe number (&ngr;d) of 28 to 41 is flowed down from a flow pipe made of Pt or a Pt alloy to form glass gobs continuously, there is caused a problem that the glass gobs have striae or that the weight variability among the glass gobs is large, and the problem can be overcome by the use of an optical glass comprising silicon oxide and boron oxide, the ratio of a content of the silicon oxide to a content of the boron oxide being greater than 0.78, the optical glass having a contact angle of at least 40° to Pt or a Pt alloy at a predetermined temperature equivalent to, or higher than, its liquidus temperature or in a predetermined temperature range whose lower limit is equivalent to, or higher than, the liquidus temperature and having a sag temperature Ts of 580° C. or lower.
    • 当折射率(nd)至少为1.7,阿贝数(ngrd)为28〜41的光学玻璃的玻璃熔体从Pt或Pt合金制的流管中向下流动以形成玻璃料滴 导致玻璃料具有条纹或玻璃料滴的重量变动性大的问题,并且通过使用包含氧化硅和氧化硼的光学玻璃能够克服上述问题,因此, 的氧化硅相对于大于0.78的含量,所述光学玻璃在与其液相线温度相当或更高的预定温度下与Pt或Pt合金具有至少40°的接触角,或者在 其下限等于或高于液相线温度并且具有580℃或更低的下垂温度Ts的预定温度范围。
    • 30. 发明授权
    • Vehicle steering apparatus
    • 车辆转向装置
    • US06224093B1
    • 2001-05-01
    • US09139520
    • 1998-08-25
    • Fumiharu OchiaiKouichi SatoKoji Tanida
    • Fumiharu OchiaiKouichi SatoKoji Tanida
    • B60R2116
    • B62D1/04B60R21/203Y10T74/20834
    • A vehicle steering handle comprises a boss portion disposed centrally thereof for accommodating an air bag, right and left grip portions disposed vertically on right and left sides of the boss portion for allowing gripping by a driver, and upper and lower horizontal connector portions connecting respective upper and lower ends of the right and left grip portions to thereby make the handle generally rectangular in shape. At least the upper connector portion extends substantially linearly. As a result, it becomes possible for the air bag to suitably deform to thereby support a collision load of a driver. Further, with the upper connector portion extending linearly, improved view to vehicle instruments is provided.
    • 车辆转向手柄包括设置在其中央的用于容纳气囊的凸台部分,用于允许驾驶员抓握的垂直于凸台部分的左右两侧设置的左右把手部分,以及连接各自的上部和下部的上部和下部水平连接器部分 左右抓握部的下端,从而使手柄大致呈矩形。 至少上连接器部分基本上线性地延伸。 结果,能够使气囊适当地变形,从而支承驾驶员的碰撞载荷。 此外,通过上连接器部分线性延伸,提供了对车辆仪器的改进的视图。