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    • 21. 发明授权
    • Tracking servo drawing device in optical type information reading device
    • 跟踪伺服绘图装置在光学类型信息读取装置中
    • US4268745A
    • 1981-05-19
    • US64704
    • 1979-08-08
    • Takashi Okano
    • Takashi Okano
    • G11B21/10G11B7/085G11B7/095G01J1/36
    • G11B7/0953
    • A tracking servo drawing device in an optical type information reading device utilizes a tracking servo to allow an irradiation light beam to track a record track on an information record surface to read information by using said irradiation light beam illuminating said record surface. A speed detection circuit is used to sense a relative speed of the record track and the irradiation light beam at which the irradiation light beam goes across the video track. When the relative speed is lower than predetermined value, a first detection signal is produced. A signal level detection circuit detects the reproduction signal level of the information. When the level reaches a predetermined value, a second detection signal is produced. When the first and second detection signals are produced simultaneously an instruction signal is generated to close the servo loop of said tracking servo means.
    • 光学类型信息读取装置中的跟踪伺服绘制装置利用跟踪伺服来使照射光束跟踪信息记录表面上的记录轨迹,以便通过照射所述记录表面的所述照射光束来读取信息。 速度检测电路用于感测记录轨道和照射光束相对于照射光束穿过视频轨迹的相对速度。 当相对速度低于预定值时,产生第一检测信号。 信号电平检测电路检测信息的再现信号电平。 当电平达到预定值时,产生第二检测信号。 当同时产生第一和第二检测信号时,产生指令信号以关闭所述跟踪伺服装置的伺服环路。
    • 23. 发明授权
    • Receiving circuit
    • 接收电路
    • US08265199B2
    • 2012-09-11
    • US12302328
    • 2007-05-28
    • Takashi Okano
    • Takashi Okano
    • H04L25/06H04L25/10
    • H03K5/2418H04L25/0266H04L25/0272H04L25/0292H04L25/063H04L25/4925
    • A receiving circuit includes a positive-side level judgment circuit, a negative-side level judgment circuit, and a gate circuit, and is configured to receive input of an AMI-coded signal, convert the signal to a binary output signal, and output the same. The positive-side level judgment circuit judges whether the voltage of an input signal is greater or less than a threshold on the positive side. The threshold on the positive side is provided with a hysteresis characteristic by a positive feedback. The negative-side level judgment circuit judges whether the voltage of an input signal is greater or less than a threshold on the negative side. The threshold on the negative side is provided with a hysteresis characteristic by a positive feedback loop. The gate circuit logically combines the outputs of the positive-side and negative-side level judgment circuits so as to generate the output signal.
    • 接收电路包括正侧电平判断电路,负侧电平判断电路和门电路,并且被配置为接收AMI编码信号的输入,将该信号转换为二进制输出信号,并输出 相同。 正侧电平判断电路判断输入信号的电压是否大于或小于正侧的阈值。 正极侧的阈值由正反馈提供滞后特性。 负侧电平判断电路判断输入信号的电压是否大于或小于负侧的阈值。 负侧的阈值由正反馈回路提供滞后特性。 门电路逻辑组合正侧和负侧电平判断电路的输出,以便产生输出信号。
    • 24. 发明申请
    • CYLINDER HEAD GASKET
    • 气缸头垫
    • US20100327540A1
    • 2010-12-30
    • US12822392
    • 2010-06-24
    • Takashi OkanoJake Hu
    • Takashi OkanoJake Hu
    • F02F11/00F16J15/06
    • F02F11/002F16J15/0818F16J15/0825F16J2015/085F16J2015/0862
    • A cylinder head gasket constructed in accordance with invention provides a reliable gas/fluid-tight seal between a cylinder head and cylinder block during assembly and maintains the seal during use without substantially losing the contact pressure provided by the gasket during assembly while in use. The cylinder head gasket includes a first functional layer having an opening bounded by an annular free edge. The first functional layer has a full bead and a half bead. The half bead is between the full bead and the free edge. The half bead extends in a first axial direction to a plateau portion and the full bead extends in a second axial direction opposite the first axial direction to a peak.
    • 根据本发明构造的气缸盖垫圈在组装期间在气缸盖和气缸体之间提供可靠的气体/流体密封密封,并且在使用期间保持密封,而在使用期间组装期间基本上不会损失由垫圈提供的接触压力。 气缸盖垫片包括具有由环形自由边缘限定的开口的第一功能层。 第一功能层具有完整的珠和半珠。 半珠子在整个珠粒和自由边缘之间。 半胎圈沿第一轴向延伸到平台部分,并且整个胎圈沿与第一轴向方向相反的第二轴向方向延伸到峰值。
    • 27. 发明授权
    • Rotational speed control system, rotatingly driving system, air blow system, clean bench, outdoor unit of air conditioner
    • 旋转速度控制系统,旋转驱动系统,吹气系统,洁净台,空调室外机组
    • US07174731B2
    • 2007-02-13
    • US10502783
    • 2003-01-31
    • Takashi Okano
    • Takashi Okano
    • F25B39/04H02P5/00H02K7/18H02B11/00F04B41/06
    • F04D27/004F04D25/166F24F11/77F25B2313/0294H02P5/00H02P5/46
    • This invention relates to a rotational speed control system including a plurality of motor drivers for driving motors, and the object thereof is to drive a plurality of motors at the same rotational speed without depending on the number of motor drivers and without depending on the characteristics of each motor driver. A remote controller 31 and a motor driver 202 are connected to a motor driver 201. The motor drivers 201 and 202 control motors M11 and M12 at a prescribed rotational speed, respectively. A rotational speed instructing signal 91 indicative of the rotational speed is supplied from the remote controller 31 to the motor driver 201, and further supplied from the motor driver 201 to the motor driver 202. Because the rotational speed instructing signal 91 indicates a rotational speed which is transmitted in a digital value between the motor drivers 201 and 202, both of the motors M11 and M12 are driven at the rotational speed indicated by the rotational speed instructing signal 91.
    • 本发明涉及包括用于驱动电动机的多个电动机驱动器的转速控制系统,其目的是以相同的转速驱动多个电动机,而不依赖于电动机驱动器的数量,而不依赖于 每个电机驱动器。 遥控器31和马达驱动器202连接到马达驱动器201。 马达驱动器201和202分别以规定的转速控制马达M 11和M 12。 指示转速的转速指示信号91从遥控器31提供给电动机驱动器201,并从马达驱动器201进一步供给到马达驱动器202。 由于转速指示信号91表示以电动机驱动器201和202之间的数字值传送的转速,所以电机M 11和M 12都是 以由转速指示信号91表示的转速驱动。