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7 条记录 (耗时 0.011 秒)

    Control circuit for thermostatic oven in oven controlled crystal oscillator
    4.
    发明公开
    Control circuit for thermostatic oven in oven controlled crystal oscillator 有权
    Steinerschaltungfüreinen thermoatischen Ofen in einem ofengesteuerten Kristalloszillatoren

    公开(公告)号：EP2017963A1

    公开(公告)日：2009-01-21

    申请号：EP08160371.4

    申请日：2008-07-15

    申请人： Nihon Dempa Kogyo Co., Ltd.

    发明人： Ito, Manabu ,  Uchida, Takeshi

    IPC分类号： H03L1/02 ,  H03L1/04

    CPC分类号： H03L1/028

    摘要： Provided is a control circuit for a thermostatic oven in an oven controlled crystal oscillator, which is capable of further improving stability of an oscillation frequency. A control circuit in which a thermistor (12) whose resistance value changes according to a temperature outputs a signal according to the ambient temperature of the thermostatic oven inside the oscillator, an operational amplifier (13) outputs a signal according to a difference between the output of the thermistor (12) and a reference signal, a power transistor (14) amplifies the output of the operational amplifier (13), and a heater (15) generates heat based on a collector voltage of the power transistor (14), is provided with a temperature sensor circuit (20) having a transistor (21) with a base to which the output of the operational amplifier (13) is input. The control circuit outputs a collector voltage of the transistor (21) as an internal temperature signal which changes according to a temperature inside the oscillator.

    摘要翻译： 本发明提供一种能够进一步提高振荡频率稳定性的炉控晶体振荡器中的恒温炉的控制电路。 一种控制电路，其中电阻值根据温度变化的热敏电阻（12）根据振荡器内的恒温箱的环境温度输出信号，运算放大器（13）根据输出端之间的差输出信号 所述功率晶体管（14）放大所述运算放大器（13）的输出，并且加热器（15）基于所述功率晶体管（14）的集电极电压产生热量，是 设置有具有晶体管（21）的温度传感器电路（20），所述晶体管具有输入所述运算放大器（13）的输出端的基极。 控制电路输出晶体管（21）的集电极电压作为根据振荡器内的温度而变化的内部温度信号。

    Constant temperature type crystal oscillator
    5.
    发明公开
    Constant temperature type crystal oscillator 审中-公开
    恒温型晶体振荡器

    公开(公告)号：EP2182630A1

    公开(公告)日：2010-05-05

    申请号：EP10001407.5

    申请日：2005-05-19

    申请人： Nihon Dempa Kogyo Co., Ltd.

    发明人： Ito, Manabu ,  Fukudu, Minoru ,  Kudo, Tetuo ,  Uchida, Takeshi

    IPC分类号： H03B5/36 ,  H03B5/04 ,  H03L1/04

    CPC分类号： H03B5/36 ,  H03B5/04 ,  H03L1/04 ,  H05K1/0212 ,  H05K1/0243 ,  H05K3/306 ,  H05K2201/062 ,  H05K2201/09063 ,  H05K2201/10022 ,  H05K2201/10068 ,  H05K2201/10151 ,  H05K2201/10522 ,  H05K2201/2036

    摘要： A constant temperature type crystal oscillator which uses a surface mounting crystal resonator, in which a surface mounting crystal resonator (22) is mounted on a circuit board (21b) together with an oscillating element (24) and a temperature control element (25), characterised in that said crystal resonator (22) is installed on one principal plane of a ceramic substrate (34), and at least a chip resistor (35a,35b) for heat generation, and a highly temperature-dependent, highly heat-sensitive element (25a) are installed on the other principal plane of said ceramic substrate (34).

    摘要翻译： 一种使用表面安装石英振子的恒温型晶体振荡器，其中表面安装石英谐振器（22）与振荡元件（24）和温度控制元件（25）一起安装在电路板（21b）上， 其特征在于，所述晶体谐振器（22）安装在陶瓷衬底（34）的一个主平面上，并且至少一个用于产生热量的片式电阻器（35a，35b）以及一个高度依赖于温度的高度热敏元件 （25a）安装在所述陶瓷基片（34）的另一个主平面上。

    Two-level mounting board and crystal oscillator using the same
    6.
    发明公开
    Two-level mounting board and crystal oscillator using the same 审中-公开
    Zweistufen-Montageplatte und entsprechender Quarzoszillator

    公开(公告)号：EP1919042A2

    公开(公告)日：2008-05-07

    申请号：EP07254214.5

    申请日：2007-10-24

    申请人： Nihon Dempa Kogyo Co., Ltd.

    发明人： Ito, Manabu ,  Kuroda, Tomotaka ,  Uchida, Takeshi

    IPC分类号： H01R43/02

    CPC分类号： H01R43/0256 ,  H01R12/52 ,  H05K1/141 ,  H05K3/3447 ,  H05K3/368 ,  H05K2201/09036 ,  H05K2201/09463 ,  H05K2201/10303 ,  H05K2201/1084 ,  H05K2201/10871 ,  H05K2203/1178 ,  Y10T428/24612

    摘要： The present invention relates to a two-level mounting board in which a second substrate is supported horizontally by a metal pin above a first substrate having a mounting electrode on an outer base surface, the free, lower end of the metal pin is inserted in a hole provided in the surface of the first substrate, and the metal pin is affixed by solder to an annular electrode land provided on the surface of the first substrate to form an outer periphery of the hole, wherein part of the ring of the annular electrode land is cut away to open the same. This provides a two-level mounting board in which metal pins can be connected reliably to the first substrate to support the second substrate horizontally, and a crystal oscillator using the same.

    摘要翻译： 本发明涉及一种二级安装板，其中第二基板由位于外基座表面上的具有安装电极的第一基板上方的金属销水平支撑，金属销的自由下端插入 并且所述金属销通过焊料固定到设置在所述第一基板的表面上的环形电极焊盘，以形成所述孔的外周，其中所述环形电极的环的一部分 被切开打开一样。 这提供了一种两级安装板，其中金属引脚可以可靠地连接到第一基板以水平地支撑第二基板，以及使用其的晶体振荡器。

    Constant temperature type crystal oscillator
    7.
    发明公开
    Constant temperature type crystal oscillator 有权
    Quartzoszillator mit konstanter Temperatur

    公开(公告)号：EP1598931A1

    公开(公告)日：2005-11-23

    申请号：EP05253115.9

    申请日：2005-05-19

    申请人： Nihon Dempa Kogyo Co., Ltd.

    发明人： Ito, Manabu ,  Fukudu, Minoru ,  Kudo, Tetuo ,  Uchida, Takeshi

    IPC分类号： H03B5/36 ,  H03B5/04 ,  H03L1/04

    CPC分类号： H03B5/36 ,  H03B5/04 ,  H03L1/04 ,  H05K1/0212 ,  H05K1/0243 ,  H05K3/306 ,  H05K2201/062 ,  H05K2201/09063 ,  H05K2201/10022 ,  H05K2201/10068 ,  H05K2201/10151 ,  H05K2201/10522 ,  H05K2201/2036

    摘要： The present invention is one where, in a lead wire led-out type crystal oscillator of constant temperature type for high stability, comprising: a heat supply body that supplies heat to a crystal resonator from which a plurality of lead wires are led out, to maintain the temperature constant; an oscillating element that constitutes an oscillating circuit together with the crystal resonator; a temperature control element that constitutes a temperature control circuit for controlling the temperature of the crystal resonator; and a circuit board for mounting the heat supply body, the oscillating element, and the temperature control element, and through which lead wires of the crystal resonator are passed through for mounting, the heat supply body comprises: a heat conducting plate which has through-holes for the lead wires and is mounted on the circuit board, and which faces, and is directly thermally joined to, the crystal resonator; and a chip resistor for heating which is mounted on the circuit board adjacent to the heat conducting plate, and is thermally joined to the heat conducting plate.

    摘要翻译： 本发明是一种在高稳定性的恒温型铅丝引出型晶体振荡器中，其特征在于，包括：向多个引线引出的晶体谐振器供热的供热体， 保持温度恒定; 与晶体谐振器一起构成振荡电路的振荡元件; 构成用于控制晶体谐振器的温度的温度控制电路的温度控制元件; 以及用于安装供热体，振荡元件和温度控制元件的电路板，并且晶体谐振器的引线通过该电路板通过以进行安装，所述供热体包括：导热板， 用于引线的孔，并安装在电路板上，并且面向并直接热连接到晶体谐振器; 以及与导热板相邻地安装在电路基板上并与导热板热接合的用于加热的片状电阻器。