专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5731876A Method and apparatus for on-line determination of the thickness of a multilayer film using a partially reflecting roller and low coherence reflectometry 失效
标题翻译：使用部分反射辊在线测定多层膜厚度的方法和装置以及低相干反射测定法
公开(公告)号：US5731876A
公开(公告)日：1998-03-24
申请号：US718077
申请日：1996-09-17
申请人： Shalini Venkatesh , Brian L. Heffner , Wayne V. Sorin
发明人： Shalini Venkatesh , Brian L. Heffner , Wayne V. Sorin
IPC分类号： G01B11/06 , G01B9/02
CPC分类号： G01B11/0675
摘要： An apparatus and method for measuring the thickness of a film having top and bottom surfaces. The apparatus includes low coherence light source that generates a probe light signal. The film is positioned against a roller having a partially reflecting surface that is positioned at a fixed distance from the film. The probe light signal is applied to the film and is then reflected back through the film by the partially reflecting surface. The light leaving the film is collected to form the input to a receiver that determines the time delay between light reflected from the top and bottom surfaces of the film. The receiver output may also be used to determine the thickness of the various layers in a multi-layer film.
摘要翻译：一种用于测量具有顶表面和底表面的膜的厚度的装置和方法。该装置包括产生探测光信号的低相干光源。薄膜被定位在具有位于离胶片固定距离的部分反射表面的辊子上。将探测光信号施加到膜上，然后通过部分反射表面反射回膜。收集离开胶片的光以形成接收器的输入，该接收器确定从胶片的顶表面和底表面反射的光之间的时间延迟。接收器输出也可用于确定多层膜中各层的厚度。

2. 发明授权

US5633712A Method and apparatus for determining the thickness and index of refraction of a film using low coherence reflectometry and a reference surfaces 失效
$Method and apparatus for determining the thickness and index of refraction of a film using low coherence reflectometry and a reference surfaces$
标题翻译：使用低相干反射计和参考表面确定膜的厚度和折射率的方法和装置
公开(公告)号：US5633712A
公开(公告)日：1997-05-27
申请号：US520198
申请日：1995-08-28
申请人： Shalini Venkatesh , Wayne V. Sorin , Brian L. Heffner
发明人： Shalini Venkatesh , Wayne V. Sorin , Brian L. Heffner
IPC分类号： G01B11/06 , G01N21/41 , G01B9/02
CPC分类号： G01N21/41 , G01B11/0675
摘要： An apparatus and method for measuring the thickness of a film having top and bottom surfaces. The apparatus includes low coherence light source that generates a probe light signal. The film is positioned between first and second reference reflectors, the first reference reflector being partially reflecting. The probe light signal is applied to the film after passing through the first reference reflector. Part of the portion of the probe light signal leaving the film is reflected back toward the first reference reflector by the second reference reflector. The light exiting through the first reference reflector is collected to form the input to a receiver that determines the time delay between light reflected from the top and bottom surfaces of the film as well as the change in optical path length between said first and second reflectors resulting from the introduction of said film between said first and second reflectors. In the preferred embodiment of the present invention, the receiver is constructed from an optical autocorrelator or an optical spectrum analyzer that includes circuitry for providing the Fourier transform of the frequency domain spectrum measured from the combined light signal. Embodiments in which only one of the reference reflectors is utilized provide a means for simplifying the output spectrum from the receiver when multi-layer films are utilized.
摘要翻译：一种用于测量具有顶表面和底表面的膜的厚度的装置和方法。该装置包括产生探测光信号的低相干光源。薄膜位于第一和第二参考反射器之间，第一参考反射器被部分地反射。探针光信号通过第一参考反射器后施加到膜。离开膜的探测光信号的一部分的一部分被第二参考反射器反射回第一参考反射器。收集通过第一参考反射器射出的光以形成接收器的输入，该接收器确定从膜的顶表面和底表面反射的光之间的时间延迟以及所述第一和第二反射器之间的光程长度的变化，从而得到从所述第一和第二反射器之间的所述膜的引入。在本发明的优选实施例中，接收机由光学自相关器或光谱分析仪构成，光谱分析仪包括用于提供从组合的光信号测量的频域频谱的傅里叶变换的电路。其中仅使用一个参考反射器的实施例提供了当使用多层膜时简化来自接收器的输出光谱的装置。

3. 发明授权

US5610716A Method and apparatus for measuring film thickness utilizing the slope of the phase of the Fourier transform of an autocorrelator signal 失效
标题翻译：利用自相关器信号的傅立叶变换的相位斜率来测量膜厚度的方法和装置
公开(公告)号：US5610716A
公开(公告)日：1997-03-11
申请号：US520029
申请日：1995-08-28
申请人： Wayne V. Sorin , Brian L. Heffner , Shalini Venkatesh
发明人： Wayne V. Sorin , Brian L. Heffner , Shalini Venkatesh
IPC分类号： G01B11/06 , G01N21/45 , G01B9/02
CPC分类号： G01B11/06
摘要： An apparatus and method for measuring the thickness of a film. The film is illuminated with a low coherence light signal that is preferably generated from a source including two or more LEDs. The light reflected from the surfaces of the film is collected and coupled to an interferometer. The slope of the Fourier transform of the output of the signal from the interferometer is measured to provide a determination of the thickness of the film. In the preferred embodiment of the present invention, the interferometer output is sampled at fewer than two points per cycle of the low coherence light signal.
摘要翻译：一种用于测量薄膜厚度的装置和方法。该薄膜用低相干光信号照亮，该信号优选地由包括两个或更多个LED的源产生。从膜的表面反射的光被收集并耦合到干涉仪。测量来自干涉仪的信号的输出的傅里叶变换的斜率，以确定膜的厚度。在本发明的优选实施例中，干涉仪输出在低相干光信号的每个周期以少于两个点采样。

4. 发明授权

US5850287A Roller assembly having pre-aligned for on-line thickness measurements 失效
标题翻译：辊组件具有预对准的在线厚度测量
公开(公告)号：US5850287A
公开(公告)日：1998-12-15
申请号：US893432
申请日：1997-07-11
申请人： Wayne V. Sorin , Shalini Venkatesh , Brian L. Heffner
发明人： Wayne V. Sorin , Shalini Venkatesh , Brian L. Heffner
IPC分类号： G01B11/06 , G01N21/45 , G01B9/02
CPC分类号： G01B11/0691
摘要： An apparatus for measuring the thickness of a film on a production line or the like. The apparatus includes a moveable member in contact with the film. The moveable member rotates about a fixed member and includes a transparent region. The apparatus also includes an optical probe attached to the fixed member. The optical probe has an optical fiber for coupling a light signal to the film through the transparent region of the moveable member and for returning light reflected from the film to a receiver for determining the thickness of the film. The optical probe may also include a lens assembly for imaging the light signal onto the film and imaging the reflected light signals back into the optical probe. The optical probe may also include a partially reflecting reference reflector for simplifying the analysis of multi-layer films.
摘要翻译：一种用于测量生产线上的薄膜厚度的装置。该装置包括与薄膜接触的可移动部件。可移动构件围绕固定构件旋转并且包括透明区域。该装置还包括附接到固定构件的光学探头。光学探针具有用于通过可移动部件的透明区域将光信号耦合到膜的光纤，并且用于将从膜反射的光返回到接收器以确定膜的厚度。光学探针还可以包括用于将光信号成像到胶片上并将反射光信号成像回到光学探针中的透镜组件。光学探针还可以包括用于简化多层膜的分析的部分反射的参考反射器。

5. 发明授权

US06198856B1 Optical switch having test ports 有权
标题翻译：具有测试端口的光开关
公开(公告)号：US06198856B1
公开(公告)日：2001-03-06
申请号：US09293044
申请日：1999-04-16
申请人： Dale W. Schroeder , David K. Donald , Wayne V. Sorin , Shalini Venkatesh
发明人： Dale W. Schroeder , David K. Donald , Wayne V. Sorin , Shalini Venkatesh
IPC分类号： G02B626
CPC分类号： G02B6/359 , G02B6/3512 , G02B6/3538 , G02B6/3546 , G02B6/3582 , G02B26/004
摘要： An improved optical switch allows for the testing, calibration and monitoring of optical switch points in an optical switching matrix. A test column and a test row of additional switch elements and optical paths enable the improved optical switch to provide testing, calibration and monitoring of each optical switch point in the optical switch matrix using a test input source and a test output receiver. The improved optical switch may also be used to test for the presence of light at any input and to inject a test signal into the matrix in order to test for the presence and quality of light at any output.
摘要翻译：改进的光学开关允许在光学开关矩阵中的光学开关点的测试，校准和监测。测试列和附加开关元件和光路的测试行使改进的光开关能够使用测试输入源和测试输出接收器来提供光开关矩阵中每个光开关点的测试，校准和监视。改进的光开关还可用于测试任何输入处的光的存在并将测试信号注入到矩阵中，以便测试任何输出处的光的存在和质量。

6. 发明授权

US5646734A Method and apparatus for independently measuring the thickness and index of refraction of films using low coherence reflectometry 失效
$Method and apparatus for independently measuring the thickness and index of refraction of films using low coherence reflectometry$
标题翻译：用于使用低相干反射测量法独立测量膜的折射厚度和折射率的方法和装置
公开(公告)号：US5646734A
公开(公告)日：1997-07-08
申请号：US520200
申请日：1995-08-28
申请人： Shalini Venkatesh , Wayne V. Sorin
发明人： Shalini Venkatesh , Wayne V. Sorin
IPC分类号： G01B11/06 , G01N21/45 , G01B9/02
CPC分类号： G01B11/06
摘要： An apparatus and method for measuring the thickness of a film having top and bottom surfaces. The apparatus includes a first coupler for generating a first probe light signal and a second probe light signal from a low coherence light source. The first probe light signal is directed toward the top surface of the film at a first angle of incidence and the light leaving the top surface of the film is collected. Similarly, the second probe light signal is directed toward the top surface of the film at a second angle of incidence different from said first angle of incidence and the light leaving the top surface of the film is also collected. The collected light is combined to form a collected light signal which is input to a receiver that determines the time delay between light reflected from the top and bottom surfaces of the film. In the preferred embodiment of the present invention, the receiver is constructed from an optical autocorrelator or an optical spectrum analyzer that includes circuitry for providing the Fourier transform of the frequency domain spectrum measured from the combined light signal.
摘要翻译：一种用于测量具有顶表面和底表面的膜的厚度的装置和方法。该装置包括用于产生第一探针光信号的第一耦合器和来自低相干光源的第二探测光信号。第一探针光信号以第一入射角指向膜的顶表面，并且收集离开膜的顶表面的光。类似地，第二探测光信号以不同于所述第一入射角的第二入射角指向膜的顶表面，并且还收集离开膜顶表面的光。收集的光被组合以形成收集的光信号，其被输入到确定从膜的顶表面和底表面反射的光之间的时间延迟的接收器。在本发明的优选实施例中，接收机由光学自相关器或光谱分析仪构成，光谱分析仪包括用于提供从组合的光信号测量的频域频谱的傅里叶变换的电路。

7. 发明授权

US07976387B2 Free-standing input device 有权
标题翻译：独立输入设备
公开(公告)号：US07976387B2
公开(公告)日：2011-07-12
申请号：US11402380
申请日：2006-04-11
申请人： Shalini Venkatesh , Akihiro Machida
发明人： Shalini Venkatesh , Akihiro Machida
IPC分类号： A63F9/24 , A63F13/00 , G06F17/00 , G06F19/00 , G06F3/033 , G02B5/12 , G09G5/00 , G09G5/08
CPC分类号： A63F13/245 , A63F13/06 , A63F13/213 , A63F13/803 , A63F2300/1062 , A63F2300/1087 , A63F2300/8017 , G06F3/0304 , G06F3/0346
摘要： A controller apparatus for manipulating objects in an electronic application. The controller apparatus comprises a free-standing graspable controller. The controller apparatus comprises a first optical component and a second optical component to determine the rotation direction and speed of the controller. The direction and speed data are relayed to the electronic device to produce an object manipulation in the electronic application.
摘要翻译：一种用于操纵电子应用中的物体的控制器装置。控制器装置包括一个独立的可掌握的控制器。控制器装置包括第一光学部件和第二光学部件，以确定控制器的旋转方向和速度。方向和速度数据被中继到电子设备以在电子应用中产生物体操纵。

8. 发明申请

US20100014779A1 METHOD AND SYSTEM FOR REDUCING ARTIFACTS IN IMAGE DETECTION 有权
标题翻译：用于减少图像检测中的人造物的方法和系统
公开(公告)号：US20100014779A1
公开(公告)日：2010-01-21
申请号：US12540474
申请日：2009-08-13
申请人： Richard E. Haven , Shalini Venkatesh
发明人： Richard E. Haven , Shalini Venkatesh
IPC分类号： G06K9/40
CPC分类号： G06K9/2018 , G06K9/00604
摘要： An imager captures light reflecting off an object of interest and generates two or more images of the object. A controller identifies one or more non-interpretation regions in one of the captured images and uses the non-interpretation regions to reduce a number of artifacts in a final image.
摘要翻译：成像仪捕获从感兴趣对象反射的光，并生成对象的两个或多个图像。控制器识别所捕获的图像之一中的一个或多个非解释区域，并且使用非解释区域来减少最终图像中的伪像数量。

9. 发明授权

US07580545B2 Method and system for determining gaze direction in a pupil detection system 有权
标题翻译：用于确定瞳孔检测系统中的注视方向的方法和系统
公开(公告)号：US07580545B2
公开(公告)日：2009-08-25
申请号：US11243442
申请日：2005-10-03
申请人： Shalini Venkatesh
发明人： Shalini Venkatesh
IPC分类号： G06K9/00
CPC分类号： G06K9/00604
摘要： A detector captures one or more images of the face, eyes, or pupils of a person using light propagating at two or more angles of incidence with respect to the optical axis of the detector. A difference image is then generated by subtracting one image from another image. A computed location associated with the pupils in the difference image is then compared with a reference location to determine the gaze direction of the pupils.
摘要翻译：检测器利用相对于检测器的光轴以两个或多个入射角传播的光捕获人的面部，眼睛或瞳孔的一个或多个图像。然后通过从另一图像中减去一个图像来生成差异图像。然后将与差分图像中的瞳孔相关联的计算位置与参考位置进行比较以确定瞳孔的凝视方向。

10. 发明授权

US07399954B2 System and method for an optical navigation device configured to generate navigation information through an optically transparent layer and to have skating functionality 有权
标题翻译：用于配置为通过光学透明层产生导航信息并具有滑冰功能的光学导航设备的系统和方法
公开(公告)号：US07399954B2
公开(公告)日：2008-07-15
申请号：US11204913
申请日：2005-08-16
申请人： Shalini Venkatesh
发明人： Shalini Venkatesh
IPC分类号： G06M7/00 , H01J40/14
CPC分类号： G06F3/0317 , G06F3/03543
摘要： A method and system for an optical navigation device configured to generate navigation information through a transparent layer. Specifically, the optical navigation device includes a light source that is configured to illuminate a reflective surface through a layer that is optically transparent to the light source. A sensor is configured to generate navigation information in response to light reflecting off the reflective surface. The sensor is configured with a depth of field to support a distance between the sensor and the reflective surface. A contact sensor is also included to indicate when the optical navigation device is no longer in contact with the transparent layer. The contact sensor allows for skating functionality for the optical navigation device.
摘要翻译：一种用于通过透明层生成导航信息的光学导航装置的方法和系统。具体地说，光学导航装置包括被配置为通过对光源透光的层照射反射表面的光源。传感器被配置为响应于从反射表面反射的光而产生导航信息。该传感器配置有一个景深，以支持传感器和反射表面之间的距离。还包括接触传感器以指示何时光学导航装置不再与透明层接触。接触传感器允许用于光学导航装置的滑冰功能。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式