Dark signal compensation for diode arrays
    21.
    发明授权
    Dark signal compensation for diode arrays 失效
    二极管阵列的暗信号补偿

    公开(公告)号:US4933543A

    公开(公告)日:1990-06-12

    申请号:US101359

    申请日:1987-09-25

    Applicant: Frank A. Hull

    Inventor: Frank A. Hull

    Abstract: Three means or methods for compensating for thermal noise, also referred to as dark signal, are utilized to enhance the accuracy of a monolithic diode array. A charge-coupled linear photodiode array is used in a camera to detect densities of any image projected or reflected onto the array. After conversion, voltage variations of one/one thousandth (1/1,000) volt in a ten volt range are significant to the measurement of densities. Therefore, extremely accurate control of thermal noise, which is generated in the cell sites and in the shift registers used to obtain the data from the cell sites, is extremely important. The three methods or means of control are as follows. Temperature control maintains the temperature of the photodiode array at approximately ten degrees centigrade to minimize the generation of thermal noise. A thermistor is used to detect any temperature variations within the range controlled by the cooling means and the reading is compensated for those variations in temperature. Finally, thermal noise generated in masked cells are measured and used as a correction or calibration for the readings. The foregoing means and methods enhance the accuracy of the readings by an order of magnitude.

    Abstract translation: 用于补偿热噪声的三种手段或方法(也称为暗信号)用于提高单片二极管阵列的精度。 在相机中使用电荷耦合线性光电二极管阵列来检测投影或反射到阵列上的任何图像的密度。 转换后,在十伏范围内1/ /千分之一(1 / 1,000)伏的电压变化对密度的测量是重要的。 因此,非常重要的是非常重要的是在小区站点和用于从小区站点获得数据的移位寄存器中产生的热噪声的非常精确的控制。 三种控制方法或手段如下。 温度控制将光电二极管阵列的温度保持在大约十摄氏度,以最小化热噪声的产生。 热敏电阻用于检测由冷却装置控制的范围内的任何温度变化,并且对这些温度变化补偿读数。 最后,测量在掩蔽电池中产生的热噪声,并将其用作读数的校正或校准。 上述手段和方法将读数的精度提高一个数量级。

    Analog sensor processing method, measured value processing device, and gas sensor unit
    23.
    发明专利
    Analog sensor processing method, measured value processing device, and gas sensor unit 审中-公开
    模拟传感器处理方法,测量值处理装置和气体传感器单元

    公开(公告)号:JP2008129019A

    公开(公告)日:2008-06-05

    申请号:JP2007297746

    申请日:2007-11-16

    Abstract: PROBLEM TO BE SOLVED: To provide a processing method and a measured value processing device, not depending on a temperature, capable of quickly and strongly restraining direct current voltage, and having improved analog sensor signal.
    SOLUTION: The analog sensor signal supplied to the first input of operational amplifiers 704, 706 is amplified by the operational amplifiers. The amplified analog sensor signal is measured and compared with the threshold. The direct current voltage is generated depending on a difference between the amplified analog sensor signal and the threshold. A differential signal is formed, based on the analog sensor signal and the direct current voltage. The differential signal is amplified to output an output signal. This measured value processing device has the operational amplifiers for amplifying the analog sensor signal supplied to the first input, and a controller 708 for measuring the amplified analog sensor signal and for comparing the amplified analog sensor signal with the threshold.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供能够快速且强烈地约束直流电压并且具有改进的模拟传感器信号的不依赖于温度的处理方法和测量值处理装置。 解决方案:提供给运算放大器704,706的第一输入的模拟传感器信号由运算放大器放大。 测量放大的模拟传感器信号并将其与阈值进行比较。 根据放大的模拟传感器信号和阈值之间的差异产生直流电压。 基于模拟传感器信号和直流电压形成差分信号。 差分信号被放大以输出输出信号。 该测量值处理装置具有用于放大提供给第一输入端的模拟传感器信号的运算放大器和用于测量放大的模拟传感器信号并将放大的模拟传感器信号与阈值进行比较的控制器708。 版权所有(C)2008,JPO&INPIT

    METHOD AND SYSTEM FOR GAS CONCENTRATION MEASUREMENT OF GAS DISSOLVED IN LIQUIDS
    25.
    发明公开
    METHOD AND SYSTEM FOR GAS CONCENTRATION MEASUREMENT OF GAS DISSOLVED IN LIQUIDS 审中-公开
    VERFAHREN UND SYSTEM ZUR MESSUNG DER KONZENTRATIONEN VON INFLÜSSIGKEITENGELÖSTENGASEN

    公开(公告)号:EP3049806A4

    公开(公告)日:2017-06-07

    申请号:EP14849009

    申请日:2014-09-17

    Applicant: VAISALA OYJ

    Abstract: The present invention concerns a method and system for gas concentration measurement of gas or gas mixtures dissolved in liquids. A gas or gas mixture dissolved in a liquid sample is extracted from the liquid sample using an extraction system and conducted into a measurement chamber. Then a measurement signal is generated by means of a radiant source and the measurement signal is directed to a measurement object in a measurement chamber containing the gas or gas mixture to be measured. The measurement signal is filtered using at least two wavelengths, whereupon the filtering is preferably implemented by means of an electrically tunable, short-resonator Fabry-Perot interferometer. Then the filtered measurement signals are detected my means of a detector.

    Abstract translation: 本发明涉及用于测量溶解在液体中的气体或气体混合物的气体浓度的方法和系统。 使用提取系统从液体样品中提取溶解在液体样品中的气体或气体混合物并将其导入测量室。 然后通过辐射源产生测量信号,并将测量信号引导到包含待测量的气体或气体混合物的测量室中的测量对象。 测量信号使用至少两个波长进行滤波,其中滤波优选通过电可调谐的短谐振器法布里珀罗干涉仪来实现。 然后过滤的测量信号被检测到我的手段。

    Method of processing an analog sensor signal in a gas sensor arrangement and measured value processing device
    26.
    发明公开
    Method of processing an analog sensor signal in a gas sensor arrangement and measured value processing device 审中-公开
    在气体传感器装置和装置测量处理值处理模拟传感器信号的方法

    公开(公告)号:EP1923668A1

    公开(公告)日:2008-05-21

    申请号:EP07022217.9

    申请日:2007-11-15

    Abstract: This invention concerns a method of processing an analog sensor signal, wherein the analog sensor signal, which is fed into a first input of an operational amplifier, is amplified by the operational amplifier. The amplified analog sensor signal is measured and compared with a threshold value. A direct voltage is generated depending on a difference between the amplified analog sensor signal and the threshold value, and a difference signal is formed from the analog sensor signal and the direct voltage. The difference signal is amplified and output as the output signal.

    Abstract translation: 本发明涉及模拟传感器信号的处理的方法,所述worin模拟传感器信号,所有这一切都被馈送到运算放大器的第一输入端,被运算放大器放大。 放大后的模拟传感器信号被测量并与阈值进行比较。 直流电压产生取决于放大的模拟传感器信号和阈值之间的差,和一个差信号从模拟传感器信号和所述直流电压形成。 差信号被放大,并作为输出信号输出。

    INSPECTION OF EGGS IN THE PRESENCE OF BLOOD
    27.
    发明公开
    INSPECTION OF EGGS IN THE PRESENCE OF BLOOD 有权
    鸡蛋在血液中存在性检查

    公开(公告)号:EP1789782A1

    公开(公告)日:2007-05-30

    申请号:EP05773818.9

    申请日:2005-09-05

    Abstract: The invention relates to a device for inspecting eggs for the presence of blood. The device comprises a light source in order to pass light at a first wavelength which is not selectively absorbed by blood and light at a second wavelength which is selectively absorbed by blood through an egg to be inspected. Furthermore, the device comprises detection means for converting the light transmission through the egg to be inspected for each of the two wavelengths into corresponding signals, each of the said signals being representative of the light transmission at the relevant wavelength. The device also comprises signal-processing means which are transmission associated with the first wavelength and the light transmission associated with the second wavelength based on the signals emanating from the detection means and to emit a decision signal which is representative of the decision whether or not an egg contains blood on the basis of this ratio. According to the invention, the light source comprises one or more identical LED's (Light Emitting Diode) for generating light which passes through the egg. In use the one or more LED's emit light within a certain narrow spectrum, which spectrum comprises both the first and the second wavelength.

    INSPECTION OF EGGS IN THE PRESENCE OF BLOOD

    公开(公告)号:EP1789782B1

    公开(公告)日:2018-07-18

    申请号:EP05773818.9

    申请日:2005-09-05

    Abstract: The invention relates to a device for inspecting eggs for the presence of blood. The device comprises a light source in order to pass light at a first wavelength which is not selectively absorbed by blood and light at a second wavelength which is selectively absorbed by blood through an egg to be inspected. Furthermore, the device comprises detection means for converting the light transmission through the egg to be inspected for each of the two wavelengths into corresponding signals, each of the said signals being representative of the light transmission at the relevant wavelength. The device also comprises signal-processing means which are transmission associated with the first wavelength and the light transmission associated with the second wavelength based on the signals emanating from the detection means and to emit a decision signal which is representative of the decision whether or not an egg contains blood on the basis of this ratio. According to the invention, the light source comprises one or more identical LED's (Light Emitting Diode) for generating light which passes through the egg. In use the one or more LED's emit light within a certain narrow spectrum, which spectrum comprises both the first and the second wavelength.

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