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    • 4. 发明授权
    • Protective circuit in a device for reducing vibrations of a vehicle body
    • 用于减少车​​身振动的装置中的保护电路
    • US5087869A
    • 1992-02-11
    • US645610
    • 1991-01-25
    • Shigeru KuriyamaYozo NakamuraYuji MaedaKenichi NakamuraKeiichi MashinoYuzo KadomukaiMasao FukushimaKei Murakami
    • Shigeru KuriyamaYozo NakamuraYuji MaedaKenichi NakamuraKeiichi MashinoYuzo KadomukaiMasao FukushimaKei Murakami
    • F02B63/00F02B63/04F02B75/06F16F15/02G05D19/02H02J7/14H02P9/48
    • H02J7/1446F02B63/04F02B75/06F16F15/02G05D19/02H02P9/48B60L2270/145Y02T10/642
    • The present invention relates to an electrical protective circuit, used when abnormality occurs, in a vibration suppressing apparatus which changes the load torque on a generator such as an alternator fixed on the engine to generate an angle moment on the generator body to cancel rough idling engine vibrations to suppress vehicle body vibrations due to the rough idling. In the inventive vibration suppressing apparatus, a generator is fixed on the engine which generator includes a voltage regulator to control a field winding current such that a fixed voltage is output to a battery. The generation of engine rough idling is detected on the basis of either a change in the engine speed or a change in the engine vibrations. If rough idling is detected, a high voltage circuit is connected to the field winding to increase the field winding current and hence the load torque on the generator. In the inventive protective circuit, the battery voltage is compared with a predetermined reference value when no rough idling is detected. If the battery voltage exceeds the reference value, a changeover signal is generated and the high voltage circuit is disconnected from the field winding in response to the changeover signal.
    • 本发明涉及在异常发生时使用的电气保护电路,其在改变固定在发动机上的交流发电机等发电机上的负载转矩的振动抑制装置中,以在发电机主体上产生角度矩,以消除粗糙的空转引擎 振动,以抑制车身振动由于崎岖的空转。 在本发明的振动抑制装置中,发电机固定在发动机上,发电机包括电压调节器,以控制励磁绕组电流,使得固定电压输出到电池。 基于发动机速度的变化或发动机振动的变化来检测发动机粗糙空转的产生。 如果检测到粗糙的空转,则高压电路连接到励磁绕组,以增加励磁绕组电流,从而增加发电机的负载转矩。 在本发明的保护电路中,当没有检测到粗糙的空转时,将电池电压与预定的参考值进行比较。 如果电池电压超过基准值,则响应于切换信号,产生切换信号,高压电路与励磁绕组断开。
    • 9. 发明授权
    • Image recording/reproducing apparatus
    • 图像记录/再现装置
    • US6137944A
    • 2000-10-24
    • US998201
    • 1997-12-24
    • Kei Murakami
    • Kei Murakami
    • H04N5/91G11B5/008G11B5/86G11B20/10G11B27/032G11B27/10H04N5/765H04N5/92H04N5/926H04N5/76
    • G11B27/032G11B20/10G11B27/10G11B5/86H04N5/765G11B2220/90G11B5/0086H04N5/926
    • An apparatus having two or more digital video tape recorders provides high-quality digital data copying. The apparatus comprises a first digital video tape recorder; a second digital video tape recorder; a transfer unit which receives data on a first data bus, delays the data by a time T3, and outputs the delayed data to a second data bus synchronized to a recording synchronizing signal; and a controller for producing a reproducing synchronizing signal and a recording synchronizing signal, and controlling the transfer unit. The first digital video tape recorder comprises a first reproducing circuit for converting data read from a tape to a specified transfer format, and outputs the converted data to the first data bus synchronized to the reproducing synchronizing signal; and a second reproducing circuit for receiving data on the first data bus, delaying the data for a time T1, converting the delayed data to an external format, and outputting it. The second digital video tape recorder comprises a second recording circuit for delaying data in an external format received from outside by a time T2, converting the delayed data to the transfer format, and outputting converted data to the second data bus synchronized to the recording synchronizing signal; and a first recording circuit for receiving data on the second data bus synchronized to the recording synchronizing signal, converting it to a recording format, and recording it on a tape. The timing of the reproducing synchronizing signal is advanced by the delay time T3 relative to the timing of the recording synchronizing signal.
    • 具有两个或多个数字录像机的设备提供高质量的数字数据复制。 该装置包括第一数字录像机; 第二数字录像机; 在第一数据总线上接收数据的传送单元,在时间T3延迟数据,并将延迟的数据输出到与记录同步信号同步的第二数据总线; 以及用于产生再现同步信号和记录同步信号的控制器,并控制传送单元。 第一数字录像机包括用于将从磁带读取的数据转换为指定的传送格式的第一再现电路,并将转换的数据输出到与再现同步信号同步的第一数据总线; 以及第二再现电路,用于在第一数据总线上接收数据,将数据延迟一段时间T1,将延迟的数据转换为外部格式,并将其输出。 第二数字磁带录像机包括第二记录电路,用于将从外部接收的外部格式的数据延迟时间T2,将延迟的数据转换为传送格式,并将转换的数据输出到与记录同步信号同步的第二数据总线 ; 以及第一记录电路,用于在与记录同步信号同步的第二数据总线上接收数据,将其转换为记录格式,并将其记录在磁带上。 再现同步信号的定时相对于记录同步信号的定时提前延迟时间T3。