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    • 7. 发明专利
    • Light applied sensor
    • 光应用传感器
    • JPS61124834A
    • 1986-06-12
    • JP24767884
    • 1984-11-21
    • Sharp Corp
    • WATANABE MASANORI
    • G02F1/01G01D5/34G01H9/00G01L1/24G01L11/02G01R15/24G01R33/032G02B27/28
    • G01L11/02G01D5/344G01R15/24
    • PURPOSE: To attain to enhance the accuracy and miniaturization of a light applied sensor, by setting phase bias by utilizing two total reflections constituted so as to reverse a light path by 180°C.
      CONSTITUTION: The beam emitted from a light emitting element 21 is split into two by a light receiving element 23 while the other one enters an electrooptical material 27 through a fiber 24, a rod lens 25 and a polarizer 26. At this time, the phase between two polarized beams crossed at right angles is modulated by external voltage. The beam further receives phase bias by an orthogonal prism 28 and a beam path is changed by 180° and oppositely advances in the order of a material 27, the polarizer 26, the lens 25 and the fiber 24 to reach a light receiving element 29 through the beam splitter 22. The change in the voltage applied to the material 27 is observed as the change in the quantity of beam reaching the light receiving element 29.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了提高光应用传感器的精度和小型化,通过利用两个全反射来设置相位偏置,以使光路反转180度。 构成:从发光元件21发射的光束被光接收元件23分成两部分,而另一个光束通过光纤24,棒状透镜25和偏振片26进入电光材料27.此时,相位 在两个正交交叉的偏振光束之间由外部电压调制。 光束还通过正交棱镜28接收相位偏置,并且光​​束路径改变180度。 并且通过材料27,偏振器26,透镜25和光纤24的顺序相反地前进,以通过分束器22到达光接收元件29.可以观察到施加到材料27的电压的变化作为变化 在到达光接收元件29的光束的数量。
    • 8. 发明专利
    • Monitoring device for vacuum degree of vacuum electric apparatus
    • 真空电器真空度监控装置
    • JPS5753637A
    • 1982-03-30
    • JP12964080
    • 1980-09-18
    • Meidensha Electric Mfg Co Ltd
    • FUKUSHIMA TOMIO
    • G01L21/00G01L11/02G01M3/38G01M3/40G08C23/04H01H33/66
    • G01L11/02
    • PURPOSE:To discriminate the propriety of a vacuum degree in a vacuum container in safety and with high precision by fitting a passive part, consisting of an electrooptic effect element and a prism, to the vacuum container wherein an electric field varies with the vacuum degree. CONSTITUTION:A passive part 1 has an electrooptic effect element 3 and a rectangular prism 4 and is fitted detachably to the outside surface of the vacuum container of a vacuum electric apparatus wherein an electric field varies with a vacuum degree. Light arriving from a light source 5 through a polarizer 6 is made incident to the electrooptical effect element 3 to vary the angle of its plane of polarization by the electric field E varying with the vacuum degree, and the light enters the prism 4, where it is reflected in the incident direction. The angle of the plane of polarization of the emitted light is varied again by the electrooptic effect element 3 and the light is made incident to the analyzer 7 of a monitoring part 2. The polarized light made incident to the analyzer 7 strikes a photoelectric conversion part 8 to discriminate the vacuum degree by a discrimination part 9 by using variations of an electric signal at the photoelectric conversion part 8.
    • 目的:为了通过将由电光效应元件和棱镜组成的被动部件与电真空度随真空度而变化的真空容器配合,以安全且高精度的方式来区分真空容器内的真空度的合适性。 构成:被动部件1具有电光效应元件3和矩形棱镜4,并且可拆卸地装配到真空电器的真空容器的外表面,其中电场随真空度而变化。 从光源5通过偏振器6到达的光入射到电光效应元件3,以随着真空度而变化的电场E改变其偏振面的角度,并且光进入棱镜4,在那里 反映在事件方向。 发光的偏振面的角度由电光效应元件3再次变化,光入射到监视部2的分析器7.入射到分析器7的偏振光照射到光电转换部 8,通过使用光电转换部分8处的电信号的变化来鉴别部分9的真空度。
    • 9. 发明专利
    • 計測システム及び計測方法
    • JP5936738B1
    • 2016-06-22
    • JP2015078376
    • 2015-04-07
    • 株式会社カイジョー
    • 杉山 晋
    • G01L11/02G02B6/02G01K11/32
    • G01K11/32G01L11/02G02B6/02
    • 【課題】ファイバブラッググレーティングセンサが出力する波長変化のデータに基づいて圧力と温度とのデータを算出して取得することを可能にする。 【解決手段】光源からの入射光を入力すると外部圧力・外部温度に応じた所定波長の反射光を出力するFBG部を有し、当該反射光に基づく反射光信号を出力するFBGセンサと、前記FBGセンサから反射光信号を収集し、収集した複数の反射光信号に対応する複数の波長値データを作成するとともに、当該複数の波長値データから構成されて前記反射光の波長の経時的な変化を示す波形データを作成する波長分析手段と、前記波長値データに基づいて外部に生じた温度変化にかかる温度値データを算出する温度値データ算出手段と、前記波形データに基づいて外部に生じた圧力変化にかかる圧力値データを算出する圧力値データ算出手段と、を有することを特徴とする。 【選択図】図1