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1. 发明授权

US4054377A Method and apparatus for examining sheet material 失效
标题翻译：检查片材的方法和装置
公开(公告)号：US4054377A
公开(公告)日：1977-10-18
申请号：US640371
申请日：1975-12-15
申请人： William Gibson
发明人： William Gibson
IPC分类号： G01N21/89 , G01N21/16 , G01N21/18 , G01N21/30 , G01N21/32
CPC分类号： G01N21/8901
摘要： Method and apparatus for examining sheet material to detect faults therein in which the surface of the sheet material is scanned by a moving beam of electromagnetic radiation which raditation is thereafter directed to a photoelectric cell to produce therefrom a wideband electric signal comprising both high and low frequency components in which the said wideband signal is electronically processed to provide a quotient signal corresponding to the high frequency component divided by the low frequency component and applying said quotient signal to an amplitude discriminator the output of which indicates the presence of a fault in the sheet material by generation a signal of digital form in response to a disturbance in the wideband signal exceeding in amplitude a given proportion of the amplitude of said low frequency component.
摘要翻译：用于检查片材以检测其中片材的表面被移动的电磁辐射束扫描的片材的方法和装置，然后将辐射束导向光电池，从而产生包括高频和低频的宽带电信号其中所述宽带信号被电子处理的部件以提供对应于由低频分量除以的高频分量的商信号，并将所述商信号应用于幅度鉴别器，其输出指示片材中存在故障通过响应于宽带信号中的干扰，在所述低频分量的幅度的给定比例上超过振幅，产生数字形式的信号。

2. 发明授权

US3892492A Optoelectrical apparatus with directional light sources for detecting reflection behaviour of an object 失效
标题翻译：具有定向光源的光电装置，用于检测物体的反射行为
公开(公告)号：US3892492A
公开(公告)日：1975-07-01
申请号：US37782473
申请日：1973-07-09
申请人： LOEPFE AG GEB
发明人： EICHENBERGER WERNER
IPC分类号： G01V8/20 , B65H63/08 , D03D45/12 , D03D51/34 , G01B11/00 , G01N21/89 , G01N21/18 , G01N21/30
CPC分类号： G01N21/8915 , B65H63/086 , B65H2701/31 , D03D51/34 , D03D2700/313
摘要： An optoelectrical apparatus comprising light transmitting means for generating two pulsed light beams in such a manner that the light pulses of each beam follow the light pulses of the other beam in alternate sequence, light receiving means including light sensing means responsive to light generated by the transmitting means and producing an electric output signal representative of the waveform of the received light, and electronic means operatively connected to the output of the light sensing means for discriminating output signals of different waveform. The apparatus may be designed for light reflection or light absorption measurements and monitoring purposes.
摘要翻译：一种光电装置，包括用于产生两个脉冲光束的光发射装置，使得每个光束的光脉冲以相反的顺序跟随另一个光束的光脉冲，光接收装置包括响应于发射光产生的光的光感测装置表示并产生表示接收光的波形的电输出信号，以及可操作地连接到光检测装置的输出的电子装置，用于识别不同波形的输出信号。该设备可以被设计用于光反射或光吸收测量和监视目的。

3. 发明授权

US3890048A Method and apparatus for measuring the color density of printing inks applied to a moving web 失效
标题翻译：用于测量应用于移动幅材的印刷油墨的颜色浓度的方法和装置
公开(公告)号：US3890048A
公开(公告)日：1975-06-17
申请号：US30172272
申请日：1972-10-30
申请人： GRETAG AG
发明人： ABBONDIO ANTONIO , CELIO TINO
IPC分类号： G01J3/51 , B41F31/02 , B41F33/00 , G01J3/50 , G01J3/52 , G01N21/18 , G01N21/20
CPC分类号： G01J3/50 , B41F33/0036 , B41P2233/51 , G01J3/51 , G01J3/52
摘要： A method and apparatus is provided for measuring the color density of printing inks applied to a moving web of paper to form multi-colored printed pages. The color density of the inks is measured from a test colorimetric scale specially printed on the paper either outside or between the edges of the pages. The test scale comprises a plurality of color zones, one each for the different color inks being used, each zone having three different tones of the zone color, a reference white zone and two groups of synchronising marks. The apparatus is adapted to detect the synchronising marks and produce timing pulses which are applied to a programmer controlling the sensing of the density values of each of the tones in the zones as the scales pass by a reading head. Light from the reading head is focussed onto the scales the reflected light being received by a photo-detector which produces signals and passes them on to an evaluation circuit which determines the color density value of each of the tones of a zone against the reference white value, the evaluation being synchronised with the movement of the paper by means of the programmer.
摘要翻译：提供了一种用于测量应用于移动的纸幅的印刷油墨的色浓度以形成多色印刷页的方法和装置。油墨的颜色密度是从页面外部或边缘之间特别印在纸上的测试比色刻度来测量的。测试标尺包括多个颜色区域，每个颜色区域分别用于不同颜色的墨水，每个区域具有区域颜色的三个不同色调，参考白色区域和两组同步标记。该装置适于检测同步标记并产生定时脉冲，该定时脉冲被施加到编程器，当编程器通过读取头时，该程序控制器控制区域中每个音调的浓度值的感测。来自读取头的光被聚焦在标尺上，反射光被光检测器接收，该光检测器产生信号并将它们传递到评估电路，该评估电路确定区域的每个音调的颜色浓度值与参考白色值，通过程序员的评估与纸张的移动同步。

4. 发明授权

US3563667A Device for measuring the formation and the wire mark of paper 失效
标题翻译：用于测量纸张形状和纸张标志的设备
公开(公告)号：US3563667A
公开(公告)日：1971-02-16
申请号：US3563667D
申请日：1968-02-16
申请人： JOUNI ASLAK KOSKIMIES , ANTTI ILMARI LEHTINEN , ESKO S RAUTILA , TIMO H KUUSISTO
发明人： KOSKIMIES JOUNI ASLAK , LEHTINEN ANTTI ILMARI , RAUTILA ESKO S , KUUSISTO TIMO H
IPC分类号： G01N21/59 , G01N21/956 , G01N21/18
CPC分类号： G01N21/956
摘要： A DEVICE FOR MEASURING PAPER FORMATION INCLUDES A LIGHT SOURCE PROJECTING A LUMINOUS FLUX THROUGH THE PAPER BEING MEASURED, AN OPTICAL OBJECTIVE SYSTEM AND A APERTURE STOP UPON THE LIGHT-SENSITIVE CATHODE OF A PHOTOMULTIPLIER TUBE. THIS TUBE PRODUCES A CURRENT WHICH VARIES DEPENDING UPON FLUCTUATIONS IN THE TRANSPARENCY OF THE PAPER AND WHICH IS AMPLIFIED IN A PREAMPLIFIER. ANOTHER UNIT AMPLIFIES THE ALTERNATING CURRENT COMPONENT WHICH IS AGAIN AMPLIFIED AND RECTIFIED IN A RECTIFYING CIRCUIT. THE DIRECT CURRENT COMPONENT IS AMPLIFIED DEPENDING ON THE FORMATION OF THE PAPER. AN INSTRUMENT IS USED FOR CHECKING THE OPERATION WHILE AN INDICATING DEVICE INDICATES PAPER FORMATION. A SLOW CONTROL CIRCUIT IS USED FOR MAINTAINING THE DIRECT CURRENT COMPONENT AT CONSTANT MANGITUDE; IT INCLUDES A SLOW DIFFERENTIAL AMPLIFIER WHICH IS CONNECTED TO THE ABOVE-MENTIONED PREAMPLIFIER AND WHICH CONTROLS

THE HIGH VOLTAGE PACK. THE HIGH VOLTAGE PACK IS CONNECTED TO THE PHOTOMULIPLIER TUBE. CURRENT IS SUPPLIED TO THE VARIOUS PARTS OF THE DEVICE BY A STABILIZED VOLTAGE SOURCE.

5. 发明授权

US3551678A Paper parameter measurement using infrared radiation 失效
标题翻译：使用红外辐射的纸张参数测量
公开(公告)号：US3551678A
公开(公告)日：1970-12-29
申请号：US3551678D
申请日：1967-02-13
申请人： SYBRON CORP
发明人： MITCHELL RICHARD L
IPC分类号： G01N21/31 , G01N21/86 , G01N21/18
CPC分类号： G01N21/314 , G01N21/86

6. 发明授权

US3486828A Track structure for sensing heads of web width monitor apparatus 失效
标题翻译： WEB宽度监视器装置感应头的跟踪结构
公开(公告)号：US3486828A
公开(公告)日：1969-12-30
申请号：US3486828D
申请日：1967-06-30
申请人： APPALACHIAN ELECTRONIC INSTR
发明人： NICKELL LAWRENCE CREIGH , FERTIG RAYMOND BAINES , SPENCE HARRY ROBERT , SESSIONS HENRY T
IPC分类号： G01B11/04 , G01N21/18 , G01N21/30
CPC分类号： G01B11/046

7. 发明授权

US4203672A Scanning beam displacement compensation control system 失效
标题翻译：扫描光束位移补偿控制系统
公开(公告)号：US4203672A
公开(公告)日：1980-05-20
申请号：US743003
申请日：1976-11-18
申请人： Edmund H. Smith, Jr.
发明人： Edmund H. Smith, Jr.
IPC分类号： G01N21/89 , G01N21/18 , G01B11/26
CPC分类号： G01N21/8901
摘要： An electro-optical system for the repetitive repositioning of a cyclically moving beam of radiation to a preselected point in space, particularly as applied to electro-optical web inspection.
摘要翻译：一种用于将循环移动的辐射束重新定位到空间中的预选点的电光系统，特别是应用于电光网检查。

8. 发明授权

US4194840A Sensor contact 失效
标题翻译：传感器接触
公开(公告)号：US4194840A
公开(公告)日：1980-03-25
申请号：US881855
申请日：1978-02-27
申请人： John M. Lucas , Serge Gracovetsky
发明人： John M. Lucas , Serge Gracovetsky
IPC分类号： G01B11/00 , G01N21/86 , G01N21/48 , G01N21/18 , G01N21/30
CPC分类号： G01B11/00 , G01N21/86
摘要： A sensing element having a face adapted to contact the surface of a travelling web or sheet of paper, said face formed into a convex surface that substantially is in the form of a single base segment of a sphere having a radius between 35 and 10 mm. The surface of the web is pressed against the face so that the area of contact between the surface and the face has a minimum dimension of 2 mm. In the preferred application of the present invention the element is as an optical window in an optical sensing device wherein light is passed through the window in a direction and is reflected to sensors positioned on the same side of the window as the light source.
摘要翻译：感测元件具有适于接触行进的幅材或纸张的表面的表面，所述表面形成为基本上为半径在35和10mm之间的球体的单个基部段形式的凸形表面。网的表面被压靠在表面上，使得表面和表面之间的接触面积具有2mm的最小尺寸。在本发明的优选应用中，元件作为光学感测装置中的光学窗口，其中光沿着一个方向通过窗口并被反射到位于与光源相同的窗口侧的传感器。

9. 发明授权

US3879128A Method and apparatus for measuring the refractive index and diameter of optical fibers 失效
$Method and apparatus for measuring the refractive index and diameter of optical fibers$
标题翻译：用于测量光纤的折射率和直径的方法和装置
公开(公告)号：US3879128A
公开(公告)日：1975-04-22
申请号：US38845573
申请日：1973-08-15
申请人： BELL TELEPHONE LABOR INC
发明人： PRESBY HERMAN MELVIN
IPC分类号： G01N21/41 , G01N21/00 , G01N21/18 , G01N21/30
CPC分类号： G01N21/412 , G01B11/105
摘要： A method is disclosed for monitoring and controlling the refractive index profile and the diameter of optical fibers. The technique is based upon an analysis of the backscattered radiation produced when an optical beam impinges upon the fiber. It can be shown, by a geometrical optical analysis, that the position of a sharp cutoff in the radiation pattern is a function of the refractive index profile while the distance between two successive minima (or maxima) is a function of the fiber diameter. For certain simple fiber configurations, this data can be translated directly into a number for the fiber core index and a number for the fiber core diameter. For more complicated fiber configurations, such as fibers having graded-index cores, the resulting radiation pattern can be compared to that of a reference fiber, and any unusual deviations noted. The method is advantageously used in conjunction with a feedback system for monitoring fibers as they are drawn, and for controlling the drawing machinery so as to maintain the fiber parameters within specified tolerances.
摘要翻译：公开了一种用于监测和控制光纤的折射率分布和直径的方法。该技术基于当光束照射到光纤上时产生的背散射辐射的分析。通过几何光学分析可以显示辐射图中的尖锐截止的位置是折射率分布的函数，而两个连续的最小值（或最大值）之间的距离是纤维直径的函数。对于某些简单的光纤配置，该数据可以直接转换为光纤纤芯索引的数量和纤芯直径的数量。对于更复杂的光纤配置，例如具有渐变折射率核心的光纤，可以将所得的辐射图案与参考光纤的辐射图相比较，并注意到任何不寻常的偏差。该方法有利地与用于在绘制时监测纤维的反馈系统结合使用，并且用于控制拉丝机械以将纤维参数保持在规定的公差范围内。

10. 发明授权

US3827808A Method and apparatus for measuring the opacity of sheet material in which the transmittance signal is compensated for the reflectivity of the material 失效
标题翻译：用于测量传输信号对材料的反射率进行补偿的材料的可靠性的方法和装置
公开(公告)号：US3827808A
公开(公告)日：1974-08-06
申请号：US35860673
申请日：1973-05-09
申请人： INDUSTRIAL NUCLEONICS CORP
发明人： CHO B
IPC分类号： G01N21/59 , G01N21/86 , G01N21/89 , G01N21/892 , G01N33/34 , G01N21/18 , G01N21/22 , G01N21/30
CPC分类号： G01N21/86 , G01N33/346
摘要： Specifically disclosed is a method and apparatus for measuring the opacity of sheet material, more particularly for measuring the opacity of paper according to the TAPPI contrast ratio definition. A moving sheet of paper from a paper making machine or coater is passed through the gap between a light source and a photodetector. The light transmitted through the paper is passed through a window of opal glass and a bandpass filter before it is received by the photodetector. The opal glass window constitutes a partial reflector having an effective reflectivity between about 20 and 70 percent. This produces multiple reflections between the opal glass and the paper next to it, with sufficient magnitude to compensate the transmittance measurement for the reflectivity of the paper, and thereby automatically corrects the instrument for changes in the composition of the paper. Because of the bandpass filter, the photodetector responds substantially only to light in the visible portion of the spectrum. According to another disclosed arrangement wherein the opal glass window is not used, the instrument is compensated by the use of a second photodetector responsive to light reflected from the side of the paper where the light source is located. Signals from the two detectors are then combined in a simple computer arrangement to obtain a signal which is compensated for the reflectivity of the paper. The compensated signal provided by either of the disclosed arrangements is correlated with opacity in conformance with the TAPPI standard.
摘要翻译：具体公开了一种用于测量片材的不透明度的方法和装置，更具体地说是用于根据TAPPI对比度定义测量纸张的不透明度。来自造纸机或涂布机的移动的纸张通过光源和光电检测器之间的间隙。透过纸张的光在被光电检测器接收之前通过蛋白石玻璃和带通滤光片的窗口。蛋白石玻璃窗构成具有约20％至70％之间的有效反射率的部分反射体。这产生了蛋白石玻璃与其旁边的纸之间的多次反射，具有足够的大小来补偿纸的反射率的透射率测量，从而自动校正仪器以改变纸张的组成。由于带通滤波器，光电检测器基本上仅响应于光谱的可见部分中的光。根据不使用蛋白石玻璃窗的另一公开的布置，通过使用第二光电检测器来响应于从光源所在的纸侧反射的光来补偿仪器。然后将两个检测器的信号以简单的计算机布置组合以获得补偿纸的反射率的信号。由所公开的布置中的任一个提供的补偿信号与符合TAPPI标准的不透明度相关。

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