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253 条记录 (耗时 0.014 秒)

    Packaged piezoelectric transformer unit
    91.
    发明公开
    Packaged piezoelectric transformer unit 失效
    变压器变压器

    公开(公告)号：EP0730312A1

    公开(公告)日：1996-09-04

    申请号：EP96102920.4

    申请日：1996-02-27

    申请人： NEC CORPORATION

    发明人： Sugimoto, Mitsuhiro ,  Kondo, Yuji ,  Zama, Koichi ,  Sato, Yuko

    IPC分类号： H01L41/107 ,  H01L41/04

    CPC分类号： H01L41/107 ,  H01L41/053

    摘要： In a piezoelectric transformer unit which transforms an input voltage into an output voltage and which includes a piezoelectric transformer element driven by high electric power, a package is provided to accommodate the piezoelectric transformer element therein. Electrodes are attached to nodes of the piezoelectric transformer element and supported by each pair of input and output conductive leads which are operable as leaf springs and which are extended through the package. Contact portions of the conductive leads may provide point contacts, area contacts, and/or line contacts.

    摘要翻译： 在将输入电压变换为输出电压并且包括由高功率驱动的压电变压器元件的压电变压器单元中，提供封装以在其中容纳压电变压器元件。 电极连接到压电变压器元件的节点，并由每对输入和输出导电引线支撑，导电引线可作为板簧工作，并且延伸穿过封装。 导电引线的接触部分可以提供点触点，区域触点和/或线触点。

    Piezoelectric ceramic transformer
    92.
    发明公开
    Piezoelectric ceramic transformer 失效
    压电式变压器

    公开(公告)号：EP0694978A1

    公开(公告)日：1996-01-31

    申请号：EP94118587.8

    申请日：1994-11-25

    申请人： NEC CORPORATION

    发明人： Ohnishi, Osamu c/o ,  Inoue, Takeshi c/o

    IPC分类号： H01L41/107

    CPC分类号： H01L41/107 ,  H01L41/257 ,  Y10T29/42

    摘要： One driver having external electrodes arranged over both surfaces of a piezoelectric ceramic plate polarized in the direction of its thickness, and one generator having two mutually opposed interdigital electrodes on one or both surfaces of a piezoelectric ceramic plate and alternately polarized in the direction of its length between the electrode fingers of the interdigital electrodes are formed combined in alignment in the direction of the length of the piezoelectric ceramic plate. Alternatively, the driver and generator may be formed in alignment in the direction of the width of piezoelectric ceramic plate. By applying a low voltage to this piezoelectric ceramic transformer from the driver at a resonance frequency of a longitudinal vibration of second order mode of the piezoelectric ceramic plate, a high voltage can be picked up from the generator. Here, through connection of the input terminals and output terminals at the nodes of vibration, failure due to vibration of lead wires can be prevented, thereby obtaining a compact and slim transformer element that provides high reliability. A plurality of drivers and generators may also be employed, and in addition, an interdigital electrode may be used in the driver as well as in the generator.

    摘要翻译： 一个驱动器，其具有布置在压电陶瓷板的厚度方向上偏振的两个表面上的外部电极，以及一个发生器，其在压电陶瓷板的一个或两个表面上具有两个相互对置的叉指电极，并且在其长度方向上交替极化 形成在指状电极的电极指之间，在压电陶瓷板的长度方向上组合成一体。 或者，驱动器和发生器可以在压电陶瓷板的宽度方向上成对准。 通过以压电陶瓷板的二阶模式的纵向振动的共振频率从驱动器向该压电陶瓷变压器施加低电压，可以从发电机拾取高电压。 这里，通过在振动节点处输入端子和输出端子的连接，可以防止由于引线的振动引起的故障，从而获得提供高可靠性的紧凑且纤薄的变压器元件。 也可以使用多个驱动器和发电机，此外，在驱动器以及发电机中也可以使用叉指式电极。

    Piezoelectric transformer suitable for generating a high voltage
    93.
    发明公开
    Piezoelectric transformer suitable for generating a high voltage 失效
    Zur Erzeugung von Hochspannung geschickter压电器变压器

    公开(公告)号：EP0693790A1

    公开(公告)日：1996-01-24

    申请号：EP95111451.1

    申请日：1995-07-20

    申请人： NEC CORPORATION

    发明人： Hakamata, Hiroyo, c/o NEC Corporation ,  Inoue, Takeshi, c/o NEC Corporation

    IPC分类号： H01L41/107

    CPC分类号： H01L41/107

    摘要： In a piezoelectric transformer comprising first and second driving blocks which are operable in a piezoelectric transverse vibration mode to induce a longitudinal vibration in a longitudinal direction and a voltage generating block formed between the first and the second driving blocks and which is operable in a piezoelectric longitudinal vibration mode in response to the longitudinal vibration, the voltage generating block comprises first and second voltage generating portions for generating an output voltage by the piezoelectric longitudinal vibration mode, a primary voltage producing portion formed between the first and the second voltage generating portions, and first and second secondary voltage producing portions formed at both sides of the voltage generating block. The first and the second driving blocks are supplied, in common, with an a.c. voltage through first and second input terminals. The primary and the first and the second secondary voltage producing portions deliver the output voltage through first and second output terminals.

    摘要翻译： 一种压电变压器，包括第一和第二驱动块，其可以压电横向振动模式操作以在纵向方向上引起纵向振动，以及形成在第一和第二驱动块之间的电压产生块，并且可在压电纵向 响应于纵向振动的振动模式，电压产生块包括用于通过压电纵向振动模式产生输出电压的第一和第二电压产生部分，形成在第一和第二电压产生部分之间的初级电压产生部分，以及第一 以及形成在电压产生块的两侧的第二次级电压产生部。 第一和第二驱动块通常用a.c. 电压通过第一和第二输入端子。 初级和第一和第二次级电压产生部分通过第一和第二输出端输出输出电压。

    Piezokeramischer Transformator
    94.
    发明公开
    Piezokeramischer Transformator 失效
    Piezokeramischer变压器。

    公开(公告)号：EP0414138A2

    公开(公告)日：1991-02-27

    申请号：EP90115741.2

    申请日：1990-08-17

    申请人： Hoechst CeramTec Aktiengesellschaft

    发明人： Tzchentke, Konrad

    IPC分类号： H01L41/107

    CPC分类号： H01L41/107 ,  H01L41/053

    摘要： Bei dem piezokeramischen Transformator ist die Piezokeramik mit den Elektroden in einem Gehäuse aus Silikonkautschuk-Vergussmasse mit einer Shore-Härte ≦ 40 eingegossen. Das Gehäuse ist mit Einrichtungen zum Befestigen des Piezotransformators versehen.

    摘要翻译： 在压电陶瓷变压器中，压电陶瓷用电极封装在由肖氏硬度为40的硅橡胶封装化合物组成的外壳内。 外壳设有用于安装压电变压器的装置。