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    • 4. 发明授权
    • Electromagnetic relay having an improved terminal structure
    • 电磁继电器具有改进的端子结构
    • US5081436A
    • 1992-01-14
    • US439942
    • 1989-11-22
    • Hiroyuki NishiTakeshi SuzukiMasato Nonaka
    • Hiroyuki NishiTakeshi SuzukiMasato Nonaka
    • H01H50/02H01H50/14H01H50/24
    • H01H50/14H01H50/021H01H50/24H01H50/026
    • An electromagnetic relay in which terminal pieces carrying fixed contact pieces can be assembled in the case for the electromagnetic relay from above. The case consists of a main case accommodating an electromagnet unit, a terminal case accommodating a contact unit and mounted on the main case, and a cover which is mounted on the terminal case. Each of the terminal pieces is fitted into a mounting position in a certain direction to be made immobile in any other direction perpendicular thereto. The cover is provided with a plurality of projections each of which engages with one of the terminal pieces to prevent it from moving in the said certain direction. Thus, the terminal pieces may be assembled from the upper end of the terminal case, and the work required for this assembly process may be significantly reduced. According to this structure, since the terminal case may be integrally provided with a bottom wall which separates the contact unit in the terminal case from the electromagnet unit accommodated in the main case, a better insulation can be achieved without in any way complicating the assembly process.
    • 一种电磁继电器,其中承载固定接触件的端子件可以从上方组装在用于电磁继电器的情况下。 壳体包括容纳电磁体单元的主壳体,容纳接触单元的端子壳体并安装在主壳体上,以及安装在端子壳体上的盖子。 每个端子件在一定方向上被装配到安装位置,以便在与其垂直的任何其它方向上不动。 盖设有多个突起,每个突起与端子件中的一个接合,以防止其沿所述特定方向移动。 因此,可以从终端壳体的上端组装端子片,并且可以显着地减少该组装过程所需的工作。 根据该结构,由于终端壳体可以一体地设置有将终端壳体中的接触单元与容纳在主壳体中的电磁体单元分离的底壁,所以可以实现更好的绝缘,而不会使组装过程复杂化 。
    • 8. 发明授权
    • Method and system for private communication with efficient use of bus
type transmission path
    • 用于私人通信的方法和系统,有效利用总线类型的传输路径
    • US5799018A
    • 1998-08-25
    • US445180
    • 1995-05-19
    • Tomoyuki KanekiyoHaruhiko KojimaHiroyuki Nishi
    • Tomoyuki KanekiyoHaruhiko KojimaHiroyuki Nishi
    • H04J3/16H04L12/403H04L12/70H04Q11/04
    • H04L12/403H04J3/1694H04Q11/0478H04L2012/5675
    • A private communication system using bus type transmission path, in which a plurality of communication terminal devices for carrying out communications and a system main device for exchanging communications from the communication terminal devices are connected by upward and downward digital transmission paths for transmitting data in forms of upward and downward transmission frames formed by a plurality of cells in fixed length. The system main device determines an allocation of idle cells in each upward transmission frame to a communication from each communication terminal device according to a communication request made by each communication terminal device, and transmits a notification for the determined allocation to each communication terminal device by using an idle cell among the cells in each downward transmission frame, such that each communication terminal device recognizes allocated cells on the upward digital transmission path available for the communication from each communication terminal device according to the notification transmitted through the downward digital transmission path.
    • 使用总线类型传输路径的专用通信系统,其中用于执行通信的多个通信终端设备和用于从通信终端设备交换通信的系统主设备通过上下的数字传输路径连接,用于以 由固定长度的多个单元形成的上下传输帧。 系统主设备根据每个通信终端设备的通信请求,确定每个上行传输帧中的空闲信元到每个通信终端设备的通信的分配,并通过使用通信终端设备向每个通信终端设备发送所确定的分配通知 每个下行传输帧中的小区之间的空闲小区,使得每个通信终端设备根据通过向下数字传输路径发送的通知,从每个通信终端设备识别可用于通信的上行数字传输路径上的分配的小区。
    • 9. 发明授权
    • Hybrid relay
    • 混合继电器
    • US5053907A
    • 1991-10-01
    • US494805
    • 1990-03-14
    • Hiroyuki NishiTakeshi SuzukiMasato Nonaka
    • Hiroyuki NishiTakeshi SuzukiMasato Nonaka
    • H01H9/54H01H50/00H01H50/54
    • H01H50/546H01H9/542H01H2009/545H01H50/002Y10T307/911
    • A hybrid relay comprising a mechanical relay provided with mechanical contact unit adapted to be actuated by an electromagnet, an electronic relay consisting of a semiconductor device, and a drive switch for supplying a drive current to the electromagnet, wherein the mechanical contact unit comprises: a first contact mechanism for controlling a load current of the hybrid relay; and a second contact mechanism for controlling a control current for a control gate of the semiconductor device; a contact point gap of the first contact mechanism being larger than that of the second contact mechanism. Thus, it is ensured that the first contact mechanism is engaged after the second contact mechanism and is disengaged before the second contact mechanism. Preferably, the mechanical contact unit further comprises a third contact mechanism, for controlling the leak current of the semiconductor device, which may be provided with a delay mechanism for delaying the returning action thereof. By maintaining the orders of engagement and disengagement of the three contact mechanisms, even when the load of the hybrid relay contains an inductive element, the generation of electric arcs in the first and third contact mechanisms is avoided. The addition of the delay mechanism simplifies the adjustment of the contact gaps of the three contact mechanisms.