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    • 13. 发明申请
    • Analog radio-controlled timepiece
    • 模拟无线电遥控表
    • US20080192581A1
    • 2008-08-14
    • US12011972
    • 2008-01-30
    • Kenji Ogasawara
    • Kenji Ogasawara
    • G04C11/02
    • G04G15/006
    • To provide an analog radio-controlled timepiece in which it is possible to set a displayed date by a date indicator to a correct date. A reception circuit 115 receives and outputs a time code included in a standard radio signal through an antenna 114, and a control circuit 103 corrects a time instant being clocked to a time instant corresponding to the time code and corrects a clocked time instant of a 24-hour counter 116 to the last-mentioned time instant. Even in a case where the standard radio signal cannot be received, the control circuit 103 drive-controls a motor 105 so as to alter a displayed date of a date indicator 107 to a next day in a case where the 24-hour counter clocked 24 hours. The motor 105 rotation-drives the date indicator 107 for one day through the train wheel 106, thereby altering the displayed date to the next day.
    • 提供一种模拟无线电控制的钟表,其中可以通过日期指示器将显示的日期设置为正确的日期。 接收电路115通过天线114接收并输出包括在标准无线电信号中的时间码,并且控制电路103对与时间码相对应的时刻进行计时的时刻进行校正,并校正24时钟的时钟 - 小时计数器116到最后提到的时刻。 即使在无法接收标准无线电信号的情况下,控制电路103驱动控制电动机105,以便在24小时计数器24时钟的情况下将日期指示符107的显示日期改变为次日 小时。 马达105旋转 - 通过轮系106驱动日期指示器107一天,从而将显示日期改变为次日。
    • 15. 发明申请
    • Analogue Electronic Clock and Motor Control Circuit
    • 模拟电子时钟和电机控制电路
    • US20080089183A1
    • 2008-04-17
    • US11628047
    • 2005-06-01
    • Saburo ManakaKenji Ogasawara
    • Saburo ManakaKenji Ogasawara
    • G04B17/20H02P31/00
    • H02P8/02G04C3/143
    • No counter circuit is used but a simple arrangement is used to allow a motor to be rotation driven by main drive pulses in accordance with a load. A control circuit (103), after starting to use second main drive pulses to drive a motor (105), continues the rotation driving of the motor (105) by use of the second main drive pulses if a rotation detecting circuit (110) detects a rotation detection signal indicative of the rotation of the motor (105) after a passage of a predetermined reference time period. However, the control circuit (103) uses first main drive pulses, which are shorter in pulse width than the second main drive pulses, instead of using the second main drive pulses, to perform the rotation driving of the motor (105) if the rotation detection signal is detected before the passage of the reference time period. Alternatively, the control circuit (103) uses correction drive pulses, which are the longest in pulse width, to perform a forced rotation driving of the motor (105) if no rotation detection signal is detected. Thereafter, the control circuit (103) uses the first main drive pulses to perform the rotation driving of the motor.
    • 没有使用计数器电路,但是使用简单的布置来允许电动机根据负载由主驱动脉冲旋转驱动。 控制电路(103)在开始使用第二主驱动脉冲以驱动马达(105)之后,如果旋转检测电路(110)检测到的话,则通过使用第二主驱动脉冲继续驱动马达(105)的旋转驱动 指示在经过预定参考时间段之后电动机(105)的旋转的旋转检测信号。 然而,控制电路(103)代替使用第二主驱动脉冲,使用比第二主驱动脉冲更短的脉冲宽度的第一主驱动脉冲,以进行电动机(105)的旋转驱动 在通过参考时间段之前检测检测信号。 或者,如果没有检测到旋转检测信号,则控制电路(103)使用最大的脉冲宽度的校正驱动脉冲来执行马达(105)的强制旋转驱动。 此后,控制电路(103)使用第一主驱动脉冲来执行电动机的旋转驱动。
    • 16. 发明申请
    • Electronic timepiece
    • 电子钟表
    • US20070189125A1
    • 2007-08-16
    • US11703014
    • 2007-02-06
    • Kenji OgasawaraYoshihiro Shibuya
    • Kenji OgasawaraYoshihiro Shibuya
    • G04F5/00G06F1/04
    • G04F5/04
    • To be able to promote oscillation start characteristic while having a simple constitution and maintaining low power consumption. In starting to oscillate an oscillation circuit, a capacitor for protecting from leakage is shortcircuited by bringing a switch of an oscillation stabilizing circuit 11 into a closed state and a constant voltage circuit starts to oscillate the oscillation circuit by supplying a drive voltage of a power source voltage to the oscillation circuit. After an elapse of a predetermined time period, oscillation is prevented from being stopped by leakage by inserting the capacitor into the oscillation circuit loop by bringing the switch into an open state, and an oscillation operation is continued by supplying a voltage lower than the power source voltage to the oscillation circuit by intermittently driving the constant voltage circuit.
    • 能够提供振荡起动特性,同时具有简单的结构并保持低功耗。 在开始振荡电路的振荡时,通过使振荡稳定电路11的开关变为闭合状态,恒定电压电路通过提供电源的驱动电压而使振荡电路振荡,来防止泄漏的电容器短路 电压到振荡电路。 在预定时间段过去之后,通过将开关置于断开状态将电容器插入振荡电路回路中,防止振荡而停止振荡,并且通过提供低于电源的电压来继续振荡操作 通过间歇地驱动恒压电路对振荡电路施加电压。
    • 20. 发明授权
    • Data recording disk and disk drive device for reducing wasted space on a data recording disk
    • 数据记录磁盘和磁盘驱动器设备,用于减少数据记录磁盘上浪费的空间
    • US06466387B1
    • 2002-10-15
    • US09124271
    • 1998-07-29
    • Kenji OgasawaraHiroshi YanagisawaKeiji Kobayashi
    • Kenji OgasawaraHiroshi YanagisawaKeiji Kobayashi
    • G11B509
    • G11B5/012G11B5/035G11B5/4886
    • The present invention solves a problem that useless or wasted space exists on a data recording disk between read/write heads of narrower head width than others in the case that an uniform track pitch is used, and a head width of each head varies due to a fabrication tolerance. A data recording disk of the present invention comprises a first data recording surface and a second data recording surface, and a track pitch of adjacent data recording tracks of the first data recording surface differs from a track pitch of adjacent data recording tracks of the second data recording surface. All data recording tracks of the first data recording surface have substantially the same track width, and all gaps of the first data recording surface have substantially the same gap width, and, all data recording tracks of the second data recording surface have substantially the same track width, and all gaps of the second data recording surface have substantially the same gap width.
    • 本发明解决了在使用均匀的轨道间距的情况下,在头部宽度较窄的读/写头之间的数据记录盘上存在无用或浪费的空间的问题,并且每个头的头部宽度由于 制造公差。 本发明的数据记录盘包括第一数据记录表面和第二数据记录表面,并且第一数据记录表面的相邻数据记录磁道的磁道间距与第二数据的相邻数据记录磁迹的磁道间距不同 记录表面。 第一数据记录表面的所有数据记录轨道具有基本相同的轨道宽度,并且第一数据记录表面的所有间隙具有基本上相同的间隙宽度,并且第二数据记录表面的所有数据记录轨迹具有基本相同的轨迹 宽度和第二数据记录表面的所有间隙具有基本上相同的间隙宽度。