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    • 2. 发明专利
    • Oscillation element, oscillator and imaging apparatus
    • 振荡元件,振荡器和成像装置
    • JP2013168928A
    • 2013-08-29
    • JP2013006315
    • 2013-01-17
    • Canon Incキヤノン株式会社
    • SEKIGUCHI RYOTAOKUDA MASAHIRO
    • H03B7/08H01Q23/00
    • G01N21/3581G02F1/39H01Q1/38H01Q11/08H03B5/18H03B7/08H03B7/14
    • PROBLEM TO BE SOLVED: To provide an oscillation element using a plurality of negative resistance elements in which all negative resistance elements arranged in an antenna oscillate electromagnetic waves having arranged frequency and phase synchronously, thus enhancing the oscillation output.SOLUTION: The oscillation element includes a single or a plurality of antennas for guiding electromagnetic waves, and a plurality of negative resistance elements 101 connected electrically in series with the antenna and connected in parallel with each other. The plurality of negative resistance elements 101 are disposed only at a position where the electromagnetic waves oscillated by respective negative resistance elements 101 have the substantially same phase, or a position where the electromagnetic waves have the substantially reverse phase. The position where the electromagnetic waves have the substantially same phase or reverse phase can be regarded as the position where the oscillation frequencies of respective negative resistance elements 101 are equal.
    • 要解决的问题:为了提供使用多个负电阻元件的振荡元件,其中布置在天线中的所有负电阻元件同步地摆动频率和相位的电磁波,从而增强振荡输出。解决方案:振荡元件包括 用于引导电磁波的单个或多个天线,以及与天线串联连接并彼此并联连接的多个负电阻元件101。 多个负电阻元件101仅设置在由各个负电阻元件101振荡的电磁波具有大致相同的相位的位置,或电磁波具有基本相反的位置。 可以将电磁波具有大致相同的相位或反相位置视为各负电阻元件101的振荡频率相等的位置。
    • 4. 发明专利
    • Variable reactance apparatus, oscillator, and radar apparatus
    • 可变反应装置,振荡器和雷达装置
    • JP2007049212A
    • 2007-02-22
    • JP2003375370
    • 2003-11-05
    • Murata Mfg Co Ltd株式会社村田製作所
    • KATO TAKATOSHINISHIYAMA TAIYOISHIKAWA YOHEITANIZAKI TORU
    • H01P1/00H01P1/06H01P5/04H03B5/18
    • H03B5/18H01P1/066
    • PROBLEM TO BE SOLVED: To reduce a cost in a variable reactance apparatus 1 which is used for an FM-CW radar etc. and generates a modulation wave for modulating a transmission wave into a triangular modulation wave.
      SOLUTION: There is provided a rotor 2 having a deformed shape in the circumferential direction and arranged in the proximity of a substrate 11 consisting of a coplanar line and a micro-strip line. The rotor 2 also consists of a conductor and a dielectric. Accordingly, by rotating the rotor 2, it is possible to change the position and amount of the capacitance generated between the transmission line and the rotor 2 and at the side of the rotor 2, thereby changing the reactance viewed from the side of the transmission line. Thus, when handling a high-frequency signal such as a millimeter-wave band, it is difficult to change the reactance by an electric method but a reactance change can be realized by a mechanical method, thereby obtaining an excellent linearity and frequency characteristic at a low cost.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了降低用于FM-CW雷达等的可变电抗装置1的成本,并且产生用于将发送波调制成三角调制波的调制波。 解决方案:提供了一种在圆周方向上具有变形形状并且布置在由共面线和微带线组成的基板11附近的转子2。 转子2还由导体和电介质构成。 因此,通过使转子2旋转,可以改变传输线与转子2之间以及转子2一侧产生的电容的位置和量,从而改变从传输线侧观察的电抗 。 因此,当处理诸如毫米波段的高频信号时,难以通过电气方式改变电抗,但是可以通过机械方法实现电抗变化,从而获得优异的线性和频率特性 低成本。 版权所有(C)2007,JPO&INPIT