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公开(公告)号：US4996430A
公开(公告)日：1991-02-26
申请号：US416197
申请日：1989-10-02
Applicant: Neelam Gupta
Inventor： Neelam Gupta
CPC classification number: F42C13/023 , G01S17/87 , G01S17/88
Abstract: An apparatus for detecting target objects which exhibit ratios of reflectance values that are substantially the same at two separated wavelengths when compared with background objects having reflectance values that are substantially different at the same two wavelengths has a two channel active optical sensor and logic circuitry. A first signal is transmitted at a wavelength lambda-1 which is different from a second signal which is transmitted at a wavelength lambda-2. The two signals are directed towards an object which reflects the signals therefrom. The reflected signals are received and a ratio is calculated. The ratio is compared with a predetermined threshold value to indicate when a target object has been identified.
Abstract translation: 用于检测目标对象的装置具有双通道有源光学传感器和逻辑电路，该装置显示出在两个分离波长处基本上相同的反射率值与具有相同两个波长上的反射率值的背景物体相比较的目标物体的比率。 以与波长λ-2发送的第二信号不同的波长λ-1发送第一信号。 两个信号指向反映其信号的对象。 接收反射信号并计算一个比率。 将该比率与预定阈值进行比较，以指示目标物体何时被识别。
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公开(公告)号：US07535617B2
公开(公告)日：2009-05-19
申请号：US11208123
申请日：2005-08-18
Applicant: Neelam Gupta , Vladislov I Pustovoit
Inventor： Neelam Gupta , Vladislov I Pustovoit
CPC classification number: G02F1/116 , G01J3/02 , G01J3/0224 , G01J3/1256 , G01N21/65 , G01N2021/6417 , G01N2201/0221 , G02F1/0322
Abstract: A portable acousto-optical (AO) spectrometer system comprised of at least one AO crystal cell device specially designed for cancellation of side-lobe noise at a desired tuned wavelength of operation. Each AO crystal cell device has a transducer attached and forms an AO tunable filter (AOTF) and forms part of a photo-head assembly. The system can include an optical fiber link between the AO spectrometer photo-head assembly and additional features such as an optical alignment coupling attachment that couple an excitation source such as a laser that operates in either pulse or continuous mode, a probing fiber that provides a hand-held member that can emit a source radiation and in turn observe radiation reflected from an observed sample. There are two embodiment of the AO crystal cell device. Either embodiment of the AO crystal cell design can be used in the system, providing a vibration-insensitive AO spectrometer instrument having high sensitivity, accuracy and resolution capabilities. The types of spectroscopic measurements that can be performed using the invention include fluorescence, Raman, absorption and emission.
Abstract translation: 一种便携式声光（AO）光谱仪系统，包括至少一个专门设计用于消除所需调谐波长工作波长的旁瓣噪声的AO晶体元件。 每个AO晶体元件都安装有传感器，并形成一个AO可调谐滤波器（AOTF），并形成光头组件的一部分。 该系统可以包括在AO光谱仪光头组件和附加特征之间的光纤链路，例如耦合诸如以脉冲或连续模式操作的激光器的激发源的光学对准耦合附件，提供 可以发射源辐射的手持构件，然后观察从观察到的样品反射的辐射。 AO晶体元件的两个实施例。 可以在系统中使用AO晶体设计的任一实施例，提供具有高灵敏度，精确度和分辨率能力的不振动的AO光谱仪器。 可以使用本发明进行的光谱测量的类型包括荧光，拉曼，吸收和发射。
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公开(公告)号：US5325388A
公开(公告)日：1994-06-28
申请号：US57140
申请日：1993-05-05
Applicant: Neelam Gupta , Charles Garvin , George Simonis
Inventor： Neelam Gupta , Charles Garvin , George Simonis
CPC classification number: B82Y20/00 , G02F1/01708 , G02F1/025 , G06N3/0675 , H01S5/026 , G02F2001/0157 , H01S5/4068 , H01S5/50
Abstract: GaAs base optical waveguide-based structure for a neural network is discld which may form the basic functional building block of a neural architecture in which the waveguide architecture contains at least three electrically active components which are electrically isolated from each other. The waveguide parameters are such that the laser light propagating through the waveguide is a single-mode in both transverse and lateral directions. A superlattice structure is incorporated in the waveguide core and results in electroabsorption of the input laser light. An electric field is supplied to the active components in order to change the transmission properties of the core material, thus modulating the light passing through the core material.
Abstract translation: 公开了一种用于神经网络的基于GaAs基光波导的结构，其可以形成神经结构的基本功能构建块，其中波导结构包含彼此电隔离的至少三个电活性组件。 波导参数使得通过波导传播的激光在横向和横向都是单模式。 超晶格结构结合在波导芯中并导致输入激光的电吸收。 为了改变芯材的透射特性，向有源元件供给电场，从而调制通过芯材的光。
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Patent Agency Ranking
4.发明授权公开(公告)号：US08218143B2
公开(公告)日：2012-07-10
申请号：US12687469
申请日：2010-01-14
Applicant: Neelam Gupta
Inventor： Neelam Gupta
IPC: G01J3/28
CPC classification number: G01J3/1256 , A61B5/0097 , A61B5/14551 , A61B5/14552 , G01J3/02 , G01J3/0224 , G01J3/027 , G01J3/2823
Abstract: A method of detecting oxygen and/or chemical content in a subject, comprising generating at least one spectral image of the subject; generating at least one spectral image of a reference object; comparing spectrum from the subject image to the reference image to thereby reveal the relative oxygen content of the subject. A system for determining the level of oxygenation of the blood of a subject body part comprising: a hyperspectral image generator for generating a plurality of spectral images; an image capture device for capturing the spectral images; a processor for generating hyperspectral image cubes such that the spectrum of the body part is extracted and normalized using the spectrum from the reference object to cancel out the spectral response of the light source and the imager; said processor comparing spectral from a subject image to reference images to thereby reveal the relative oxygen content of the subject.
Abstract translation: 一种检测受试者中氧和/或化学含量的方法，包括产生所述受试者的至少一个光谱图像; 生成参考对象的至少一个光谱图像; 将来自对象图像的光谱与参考图像进行比较，从而显示对象的相对氧含量。 一种用于确定被摄体体部分的血液氧合水平的系统，包括：用于产生多个光谱图像的高光谱图像发生器; 用于捕获光谱图像的图像捕获装置; 用于产生高光谱图像立方体的处理器，使得使用来自参考对象的光谱提取和归一化身体部分的光谱，以抵消光源和成像器的光谱响应; 所述处理器将来自对象图像的光谱与参考图像进行比较，从而显示对象的相对氧含量。
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公开(公告)号：US06721049B1
公开(公告)日：2004-04-13
申请号：US09532851
申请日：2000-03-22
Applicant: Neelam Gupta , Rachid Dahmani
Inventor： Neelam Gupta , Rachid Dahmani
IPC: G01J328
CPC classification number: G01J3/02 , G01J1/04 , G01J1/0422 , G01J1/0425 , G01J1/0451 , G01J3/0216 , G01J3/0218 , G01J3/024 , G01N21/65 , G01N2021/651
Abstract: A spectrometric or photo-detector device accessory for illumination of a sample and highly efficient collection of light therefrom includes an ellipsoidal mirror having focal points f1 and f2; a first optical fiber leg having a terminus positioned at or near f1 and containing fibers for conveying light to f1 and collecting light emitted from a sample positioned at f1, a second optical fiber having a terminus positioned at or near f2, for collecting light reflected by the mirror and focussed at f2 and a rigid stand for holding the mirror and fiber optic cables in fixed alignment.
Abstract translation: 用于照射样品并高效收集光的光谱测量或光电检测器装置附件包括具有焦点f1和f2的椭圆面镜; 具有位于f1附近或附近的第一光纤腿，并且包含用于将光传输到f1并收集从位于f1处的样品发射的光的光纤，具有位于或接近f2的终点的第二光纤，用于收集由 镜子和聚焦在f2和刚性支架用于保持镜子和光纤电缆固定对齐。
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6.发明申请公开(公告)号：US20100185067A1
公开(公告)日：2010-07-22
申请号：US12687469
申请日：2010-01-14
Applicant: Neelam Gupta
Inventor： Neelam Gupta
IPC: A61B5/00
CPC classification number: G01J3/1256 , A61B5/0097 , A61B5/14551 , A61B5/14552 , G01J3/02 , G01J3/0224 , G01J3/027 , G01J3/2823
Abstract: A method of detecting oxygen and/or chemical content in a subject, comprising generating at least one spectral image of the subject; generating at least one spectral image of a reference object; comparing spectrum from the subject image to the reference image to thereby reveal the relative oxygen content of the subject. A system for determining the level of oxygenation of the blood of a subject body part comprising: a hyperspectral image generator for generating a plurality of spectral images; an image capture device for capturing the spectral images; a processor for generating hyperspectral image cubes such that the spectrum of the body part is extracted and normalized using the spectrum from the reference object to cancel out the spectral response of the light source and the imager; said processor comparing spectral from a subject image to reference images to thereby reveal the relative oxygen content of the subject.
Abstract translation: 一种检测受试者中氧和/或化学含量的方法，包括产生所述受试者的至少一个光谱图像; 生成参考对象的至少一个光谱图像; 将来自对象图像的光谱与参考图像进行比较，从而显示对象的相对氧含量。 一种用于确定被摄体体部分的血液氧合水平的系统，包括：用于产生多个光谱图像的高光谱图像发生器; 用于捕获光谱图像的图像捕获装置; 用于产生高光谱图像立方体的处理器，使得使用来自参考对象的光谱提取和归一化身体部分的光谱，以抵消光源和成像器的光谱响应; 所述处理器将来自对象图像的光谱与参考图像进行比较，从而显示对象的相对氧含量。
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公开(公告)号：US07733484B1
公开(公告)日：2010-06-08
申请号：US11239460
申请日：2005-09-26
Applicant: Neelam Gupta , Ronald G. Driggers
Inventor： Neelam Gupta , Ronald G. Driggers
IPC: G01J3/28
CPC classification number: G01J3/1256 , G01J3/0208 , G01J3/10 , G01J3/2823
Abstract: Embodiments of hyperspectral scene projection/generation systems and methods are disclosed. One method embodiment, among others, comprises dispersing a beam of light at one of a plurality of selectable wavelengths, the beam of light corresponding to a scene, and displaying a spectral image of the scene corresponding to the dispersed beam of light at one of the plurality of selectable wavelengths.
Abstract translation: 公开了高光谱场景投影/生成系统和方法的实施例。 一个方法实施例，其中包括将光束分散在多个可选择波长中的一个，对应于场景的光束，以及与分散的光束对应的场景的光谱图像显示在 多个可选择的波长。
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公开(公告)号：US20070041075A1
公开(公告)日：2007-02-22
申请号：US11208123
申请日：2005-08-18
Applicant: Neelam Gupta , Vladislov Pustovoit
Inventor： Neelam Gupta , Vladislov Pustovoit
IPC: G02F1/11
CPC classification number: G02F1/116 , G01J3/02 , G01J3/0224 , G01J3/1256 , G01N21/65 , G01N2021/6417 , G01N2201/0221 , G02F1/0322
Abstract: A portable acousto-optical (AO) spectrometer system comprised of at least one AO crystal cell device specially designed for cancellation of side-lobe noise at a desired tuned wavelength of operation. Each AO crystal cell device has a transducer attached and forms an AO tunable filter (AOTF) and forms part of a photo-head assembly. The system can include an optical fiber link between the AO spectrometer photo-head assembly and additional features such as an optical alignment coupling attachment that couple an excitation source such as a laser that operates in either pulse or continuous mode, a probing fiber that provides a hand-held member that can emit a source radiation and in turn observe radiation reflected from an observed sample. There are two embodiment of the AO crystal cell device. Either embodiment of the AO crystal cell design can be used in the system, providing a vibration-insensitive AO spectrometer instrument having high sensitivity, accuracy and resolution capabilities. The types of spectroscopic measurements that can be performed using the invention include fluorescence, Raman, absorption and emission.
Abstract translation: 一种便携式声光（AO）光谱仪系统，包括至少一个专门设计用于消除所需调谐波长工作波长的旁瓣噪声的AO晶体元件。 每个AO晶体元件都安装有传感器，并形成一个AO可调谐滤波器（AOTF），并形成光头组件的一部分。 该系统可以包括在AO光谱仪光头组件和附加特征之间的光纤链路，例如耦合诸如以脉冲或连续模式操作的激光器的激发源的光学对准耦合附件，提供 可以发射源辐射的手持构件，然后观察从观察到的样品反射的辐射。 AO晶体元件的两个实施例。 可以在系统中使用AO晶体设计的任一实施例，提供具有高灵敏度，精确度和分辨率能力的不振动的AO光谱仪器。 可以使用本发明进行的光谱测量的类型包括荧光，拉曼，吸收和发射。
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