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1. 发明授权

US4607300A Automatically reversible tape deck 失效
标题翻译：自动可逆磁带机
公开(公告)号：US4607300A
公开(公告)日：1986-08-19
申请号：US497972
申请日：1983-05-25
申请人： Yoshio Aoyagi , Yukihiro Kaneko , Masanori Kurosaki , Minoru Motohashi , Manabu Sawaki , Yoshiharu Ueki , Shosaburo Sakaguchi
发明人： Yoshio Aoyagi , Yukihiro Kaneko , Masanori Kurosaki , Minoru Motohashi , Manabu Sawaki , Yoshiharu Ueki , Shosaburo Sakaguchi
IPC分类号： G11B15/02 , G11B15/087 , G11B15/44 , G11B15/48 , G11B27/10
CPC分类号： G11B15/02 , G11B15/087 , G11B15/444
摘要： An auto-reverse tape deck is provided with an automatic stop feature such that, regardless of the initial tape position, playback is halted substantially at the starting position after one complete reciprocation of the tape. If playback begins in the midst of a music interval, the device may play to the end of this interval after one complete reciprocation before being stopped.
摘要翻译：自动倒带磁带机架具有自动停止功能，使得无论初始磁带位置如何，在磁带的一次完全往复之后，重放暂时停留在起始位置。如果播放在音乐间隔的中间开始，则在停止之前一次完全往复之后，设备可以播放到该间隔的结束。

2. 发明授权

US4623992A Operating panel for electronic audio equipment 失效
标题翻译：电子音响设备操作面板
公开(公告)号：US4623992A
公开(公告)日：1986-11-18
申请号：US558742
申请日：1983-12-06
申请人： Masanori Kurosaki , Yoshio Aoyagi , Yoshiharu Ueki , Yukihiro Kaneko , Minoru Motohashi , Shozaburo Sakaguchi , Manabu Sawaki
发明人： Masanori Kurosaki , Yoshio Aoyagi , Yoshiharu Ueki , Yukihiro Kaneko , Minoru Motohashi , Shozaburo Sakaguchi , Manabu Sawaki
IPC分类号： G11B15/675 , G11B31/00 , G11B33/00 , G11B33/10 , H05K5/00 , H04B1/20 , H04B1/08
CPC分类号： H05K5/0017 , G11B15/675 , G11B31/003 , G11B33/00 , G11B33/10
摘要： In a cassette tape deck having a cover panel for covering an opening into which a tape cassette may be inserted, a keyboard section with dials for operating the tape deck and a display section with display elements for displaying operating conditions of the tape deck are provided on both front and rear surfaces of the cover panel of the tape deck.
摘要翻译：在具有用于覆盖可插入带盒的开口的盖板的盒式磁带机架中，具有用于操作磁带机的拨盘的键盘部分和具有用于显示磁带机的操作条件的显示元件的显示部分设置在胶带甲板的盖板的前表面和后表面。

3. 发明授权

US4641068A DC motor driving device 失效
标题翻译：直流电动机驱动装置
公开(公告)号：US4641068A
公开(公告)日：1987-02-03
申请号：US765790
申请日：1985-08-15
申请人： Manabu Sawaki
发明人： Manabu Sawaki
IPC分类号： H02P7/288 , H02P7/00 , H02P7/285
CPC分类号： H02P7/285 , H02P7/05
摘要： A driving circuit for a DC motor in which the accuracy of the voltage applied to the motor when it is driven with a fixed voltage is improved and the fixed voltage is continuously applied for fixed-speed rotation control. The emitter of a motor driving transistor is connected to the first terminal of the DC motor, the other terminal of which serves as a reference terminal. A voltage is supplied between the collector of the transistor and the reference terminal of the motor, and a bias current is supplied to the base of the transistor. A voltage source produces a voltage which is at a fixed level with respect to the potential of the reference terminal of the motor. A diode arrangement, preferably composed of serially connected transistors each of which has its collector and base connected together, passes current between the voltage source and the base of the driving transistor.
摘要翻译：一种用于直流电动机的驱动电路，其中当以固定电压驱动时施加到电动机的电压的精度提高，并且固定电压被连续地施加用于定速旋转控制。电动机驱动晶体管的发射极连接到直流电动机的第一端子，另一个端子用作参考端子。在晶体管的集电极和电动机的参考端子之间提供电压，并且将偏置电流提供给晶体管的基极。电压源产生相对于电动机的参考端子的电位处于固定电平的电压。优选由串联连接的晶体管组成的二极管装置，每个晶体管的集电极和基极连接在一起，在电压源和驱动晶体管的基极之间传递电流。

4. 发明授权

US4638222A DC motor driving circuit for eliminating spurious transition conditions 失效
标题翻译：直流电机驱动电路，用于消除杂散转变条件
公开(公告)号：US4638222A
公开(公告)日：1987-01-20
申请号：US764044
申请日：1985-08-09
申请人： Manabu Sawaki
发明人： Manabu Sawaki
IPC分类号： H02P5/68 , H02P7/68
CPC分类号： H02P5/68
摘要： In a DC motor driving device, upon detection of a change in the content of an input digital signal, supply of signals to switch elements from the output terminals of the decoder is suspended for a predetermined period of time following the detection of the change, and, during this predetermined period of time, the decoder's logical conversion operation is accomplished. With this arrangement, the difficulty of two series-connected switch elements being simultaneously applied with a voltage and turned on simultaneously is eliminated.
摘要翻译：在直流电动机驱动装置中，在检测到输入数字信号的内容的变化时，在检测到变化之后，将预定的时间段从解码器的输出端子向开关元件提供信号，在该预定时间段期间，完成了解码器的逻辑转换操作。通过这种布置，消除了同时施加电压并同时导通的两个串联开关元件的难度。

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