QUASI-STATISCHE AUSLENKUNGSVORRICHTUNG FÜR SPEKTROMETER
    24.
    发明授权
    QUASI-STATISCHE AUSLENKUNGSVORRICHTUNG FÜR SPEKTROMETER 有权
    准静态AUSLENKUNGSVORRICHTUNG FOR谱仪

    公开(公告)号:EP1474666B1

    公开(公告)日:2007-08-08

    申请号:EP02701275.6

    申请日:2002-02-13

    CPC classification number: G01J3/06

    Abstract: The invention relates to a spectrometer, which comprises a suspension mechanism (3) for its dispersive element (2), said suspension element pretensioning the spectrometer in an idle position, in addition to a deflecting device, which retains the dispersive element (2) in a deflected position, in such a way that a balance of forces occurs between the retaining force and the pretensioning force. This permits the dispersive element (2) to constantly return to the position defined by the retaining force after impacts or vibrations. An inventive spectrometer therefore comprises a dispersive element (2) and a suspension mechanism (3) for bearing the dispersive element (2) and for pretensioning the latter in an idle position using a pretensioning force, if the dispersive element (2) is in a deflected position. A control device (7) controls a retaining device (6a, 6b), to vary the deflected position, so that different spectral components can be recorded by a detector (9) of the spectrometer.

    METHOD AND APPARATUS FOR A HIGH RESOLUTION DOWNHOLE SPECTROMETER
    25.
    发明公开
    METHOD AND APPARATUS FOR A HIGH RESOLUTION DOWNHOLE SPECTROMETER 有权
    设备和方法用于高分辨率光谱仪HOLE

    公开(公告)号:EP1511917A1

    公开(公告)日:2005-03-09

    申请号:EP03734390.2

    申请日:2003-06-04

    Abstract: The present invention provides a method and apparatus incorporating a spinning, oscillating or stepping optical interference filter (109) to change the angle at which light (102) passes through the filters after passing through a sample (105) under analysis downhole. As each filter is tilted, the color or wavelength of light passed by the filter changes. Black plates are placed between the filters to isolate each filter's photodiode. The spectrometer of the present invention is suitable for use with a wire line formation tester to provide supplemental analysis and monitoring of sample clean up. The present invention is also suitable for deployment in a monitoring while drilling environment. The present invention provides a high resolution spectometer which enables quantification of a crude oil's percentage of aromatics, olefins, and saturates to estimate a sample's gas oil ratio (GOR). Gases such as CO2 are also detectable. The percentage of oil-based mud filtrate contamination in a crude oil sample can be estimated with the present invention by using a suitable training set and chemometrics, a neural network, or other type of correlation method.

    INTERFERENCE FILTER TRANSMISSION WAVELENGTH SCANNING PHOTOMETER
    26.
    发明公开
    INTERFERENCE FILTER TRANSMISSION WAVELENGTH SCANNING PHOTOMETER 有权
    WELLENLÄNGENABTASTENDES光度计传输干扰滤波器

    公开(公告)号:EP1184662A4

    公开(公告)日:2004-09-08

    申请号:EP01906343

    申请日:2001-02-27

    Applicant: WATANABE ATSUO

    Inventor: WATANABE ATSUO

    CPC classification number: G01J3/06 G01J3/12 G01J3/26 G01N21/31 G01N2021/317

    Abstract: An interference filter transmission wavelength scanning photometer wherein the angle of inclination of an interference filter (3) is periodically varied, the wavelength of the light to be transmitted is modulated with the periodical variation centered at the maximum absorption wavelength of the component to be measured, the variation of the intensity of the light transmitted through a sample is extracted by an infrared sensor (11) as an electrical signal, the time between the rise and fall zero cross points of the AC component of the electrical signal is determined by a microprocessor (16), the ratio (full period - 2 x half period)/(full period) is calculated from the full and half periods determined from the determined time, and the concentration of the component to be measured is determined from the variation of the result of the calculation of the ratio, thereby quantitatively determining the component without being influenced by the disturbance coexistent components.

    MICROSPECTROMETER GAS ANALYZER
    27.
    发明公开
    MICROSPECTROMETER GAS ANALYZER 审中-公开
    微型光谱仪气体分析仪

    公开(公告)号:EP1430279A1

    公开(公告)日:2004-06-23

    申请号:EP02757417.7

    申请日:2002-08-27

    CPC classification number: G01J3/36 G01J3/06 G01J3/18 G01N21/3504

    Abstract: A robust, compact spectrometer apparatus for determining respective concentrations or partial pressures of multiple gases in a gas sample with single as well as multiple and even overlapping absorption or emission spectra that span a wide spectral range. Embodiments may include at least a scanning mirror or diffraction grating (46) and a beam splitter (44) for dviding and dispersing a collimated input beam (40) into plural bands may include, for example, infrared bands of 3 to 5 micrometers and 7 to 10 micrometers.

    Abstract translation: 用于确定气体样品中多种气体的相应浓度或分压的强健紧凑的光谱仪装置,具有跨越宽光谱范围的单一以及多重和甚至重叠的吸收或发射光谱。 实施例可以包括用于将准直输入光束(40)分散和分散到多个带中的至少一个扫描镜或衍射光栅(46)和分束器(44)可以包括例如3至5微米的红外带和7 到10微米。

    Spectrometer
    29.
    发明公开
    Spectrometer 有权
    光谱仪

    公开(公告)号:EP1371957A1

    公开(公告)日:2003-12-17

    申请号:EP02291455.0

    申请日:2002-06-11

    Inventor: Ukon, Juichiro

    CPC classification number: G01J3/28 G01J3/0243 G01J3/06 G01J2003/2866

    Abstract: The present invention concerns a spectrometer comprising means for producing a parallel beam from a light source whose spectrum is to be measured and directing it to an orientable grating (10) which produces a diffracted beam, means for focusing said diffracted beam to a detector (18) which measures the power of a selected line of the spectrum (1), said means comprising a reflector (12), and means for measuring the wavelength of the selected line.
    The means for measuring the wavelength comprise a reference light source producing a reference spectrum (3), comparison means for comparing the wavelength of the measured reference spectrum (1) with the stored reference spectrum (3), means for rotating the grating (10) providing a coarse positioning of the diffracted beam relatively to the detector (18) and measuring the grating position, and means for rotating the reflector (12) providing a fine positioning of the diffracted beam relatively to the detector (18) and measuring the reflector (12) position.

    Abstract translation: 本发明涉及一种光谱仪,包括用于从光源产生平行光束的装置,其光谱将被测量并将其引导到产生衍射光束的可定向光栅(10),用于将所述衍射光束聚焦到检测器(18 ),其测量所述光谱(1)的选定行的功率,所述装置包括反射器(12),以及用于测量所选择的线的波长的装置。 用于测量波长的装置包括产生参考光谱的参考光源(3),用于将测量的参考光谱(1)的波长与存储的参考光谱(3)进行比较的比较装置, 光栅(10)相对于检测器(18)提供衍射光束的粗略定位并测量光栅位置,以及用于旋转反射器(12)的装置,其提供相对于检测器(18)的衍射光束的精细定位,以及 测量反射器(12)的位置。

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