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1. 发明申请

US20230018486A1 OPTICAL PROXIMITY SYSTEM 有权
公开(公告)号：US20230018486A1
公开(公告)日：2023-01-19
申请号：US17379492
申请日：2021-07-19
申请人： A. DOUGLAS MEYER , THOMAS ALAN BOLTON
发明人： A. DOUGLAS MEYER , THOMAS ALAN BOLTON
IPC分类号： G01S17/32 , G01S7/481
摘要： An optical proximity sensor system to detect a distance to a target object is provided. The optical proximity sensor system includes a laser that generates an emitted optical beam at a linear polarization and an optical cavity system that includes an optical cavity defined by a distance between the laser and the target object. The target object reflects the emitted optical beam to generate a reflected optical beam. A partially reflective mirror diverts a portion of the emitted optical beam and/or the reflected optical beam. A photodetector receives the diverted optical beam and generates a proximity signal that has a frequency that is indicative of the distance to the target object based on the diverted portion of the at least one of the emitted optical beam and the reflected optical beam. A proximity processor calculates the distance to the target object based on the frequency of the proximity signal.

2. 发明申请

US20130327146A1 OPTICAL ACCELEROMETER SYSTEM 有权
标题翻译：光学加速度计系统
公开(公告)号：US20130327146A1
公开(公告)日：2013-12-12
申请号：US13907333
申请日：2013-05-31
申请人： A. DOUGLAS MEYER , MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN , ROBERT C. GRIFFITH
发明人： A. DOUGLAS MEYER , MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN , ROBERT C. GRIFFITH
IPC分类号： G01P15/093
CPC分类号： G01P15/093 , G01P15/08 , G01P15/18
摘要： One embodiment includes an accelerometer system. The system includes a laser configured to emit an optical beam at a linear polarization. The system also includes an optical cavity system. The optical cavity system includes a minor that is coupled to an accelerometer housing via a spring and is configured to reflect the optical beam. The optical cavity system also includes at least one photodetector configured to receive at least a portion of at least one of the optical beam and the reflected optical beam and to generate an acceleration signal that is indicative of motion of the mirror resulting from an external acceleration acting upon the accelerometer housing. The system further includes an acceleration processor configured to calculate a magnitude of the external acceleration based on the acceleration signal.
摘要翻译：一个实施例包括加速度计系统。该系统包括被配置为以线偏振发射光束的激光器。该系统还包括光腔系统。光腔系统包括通过弹簧联接到加速度计壳体的小型并且被构造成反射光束。光腔系统还包括至少一个光电检测器，其被配置为接收光束和反射光束中的至少一个的至少一部分，并且产生指示由外部加速度作用产生的反射镜的运动的加速度信号在加速度计外壳上。该系统还包括加速度处理器，该加速度处理器被配置为基于加速度信号来计算外部加速度的大小。

3. 发明申请

US20220299320A1 DIFFUSION BLOCK FOR AN EVACUATED INSTRUMENT SYSTEM 有权
公开(公告)号：US20220299320A1
公开(公告)日：2022-09-22
申请号：US17208809
申请日：2021-03-22
申请人： JAMES M. PAVELL , A. DOUGLAS MEYER
发明人： JAMES M. PAVELL , A. DOUGLAS MEYER
IPC分类号： G01C19/5783
摘要： One example includes an instrument system. The system includes instrument components at least partially disposed in an evacuated chamber within an instrument housing. The system also includes a barrier that is configured to seal the evacuated chamber. The barrier includes a plurality of instrument electrodes that are electrically coupled to the instrument components and extending through the barrier. The system further includes a diffusion block formed of a non-diffusive material and coupled to the instrument housing to seal an evacuated cavity within the instrument housing between the barrier and the diffusion block.

4. 发明申请

US20160187142A1 MAGNETIC ANOMALY TRACKING FOR AN INERTIAL NAVIGATION SYSTEM 有权
标题翻译：用于惯性导航系统的磁异常跟踪
公开(公告)号：US20160187142A1
公开(公告)日：2016-06-30
申请号：US14586207
申请日：2014-12-30
申请人： MICHAEL S. LARSEN , MICHAEL D. BULATOWICZ , A. DOUGLAS MEYER , DENNIS P. BEVAN
发明人： MICHAEL S. LARSEN , MICHAEL D. BULATOWICZ , A. DOUGLAS MEYER , DENNIS P. BEVAN
IPC分类号： G01C21/18 , G01P15/14 , G01C21/20 , G01P15/105
CPC分类号： G01C21/18 , G01C21/08 , G01C21/165 , G01C21/20 , G01P15/105 , G01P15/14
摘要： One example includes an inertial navigation system (INS). The INS includes a navigation controller configured to generate inertial data associated with motion of a vehicle based on at least one navigation sensor configured on the vehicle and based on magnetic anomaly data. The INS also includes a magnetic anomaly INS-aiding system comprising a plurality of magnetometers distributed in a respective plurality of locations on the vehicle. The magnetic anomaly INS-aiding system can be configured to generate the magnetic anomaly data based on magnetic field measurements of a fixed magnetic anomaly at each of the plurality of magnetometers.
摘要翻译：一个例子包括惯性导航系统（INS）。 INS包括导航控制器，其被配置为基于配置在车辆上的至少一个导航传感器并且基于磁异常数据来产生与车辆的运动相关联的惯性数据。 INS还包括磁异常INS辅助系统，其包括分布在车辆上的相应多个位置中的多个磁力计。磁异常INS辅助系统可以被配置为基于多个磁力计中的每个磁力计上的固定磁异常的磁场测量来产生磁异常数据。

5. 发明申请

US20150198703A1 POLARIZED MILLIMETER WAVE IMAGING SYSTEM AND METHOD 有权
标题翻译：偏振微波成像系统及方法
公开(公告)号：US20150198703A1
公开(公告)日：2015-07-16
申请号：US14156095
申请日：2014-01-15
申请人： MOSTAFA A. KARAM , KENT ANDERSON , RAJ K. SHORI , A. DOUGLAS MEYER
发明人： MOSTAFA A. KARAM , KENT ANDERSON , RAJ K. SHORI , A. DOUGLAS MEYER
IPC分类号： G01S13/04 , G06K9/46 , G01S13/89
CPC分类号： G06K9/4604 , G01J5/0066 , G01J5/0825 , G01J5/60 , G01J2005/0077 , G01K11/006 , G01S7/499 , G01S13/89 , G01V8/005 , G06K9/00577
摘要： A detection system includes a polarization analyzer that generates one or more null detection values if an object is sensed in a received millimeter wave (MMW) brightness temperature data set. The polarization analyzer analyzes a polarization parameter in the received MMW brightness temperature data set to generate the one or more null detection values. An object detector detects if the object is present based on a comparison of the one or more null detection values to a predetermined threshold. A singular value decomposition (SVD) unit is enabled by the object detector to decompose the MMW brightness temperature data set into a plurality of image layers. Each image layer includes at least one feature of a scene. An identification unit analyzes the plurality of image layers from the SVD unit to determine a shape or a location of the object from the scene.
摘要翻译：检测系统包括如果在接收的毫米波（MMW）亮度温度数据集中感测到物体时产生一个或多个零检测值的偏振分析器。偏振分析器分析所接收的MMW亮度温度数据集中的极化参数以产生一个或多个空检测值。对象检测器基于一个或多个空检测值与预定阈值的比较来检测对象是否存在。通过对象检测器启用奇异值分解（SVD）单元，将MMW亮度温度数据集分解为多个图像层。每个图像层包括场景的至少一个特征。识别单元从SVD单元分析多个图像层以确定来自场景的对象的形状或位置。

6. 发明申请

US20120248314A1 SYSTEMS AND METHODS FOR DETECTING AND/OR IDENTIFYING MATERIALS BASED ON ELECTROMAGNETIC RADIATION 有权
标题翻译：基于电磁辐射检测和/或识别材料的系统和方法
公开(公告)号：US20120248314A1
公开(公告)日：2012-10-04
申请号：US13432606
申请日：2012-03-28
申请人： MOSTAFA A. KARAM , A. DOUGLAS MEYER , CHARLES H. VOLK , AZMAT H. SIDDIQI
发明人： MOSTAFA A. KARAM , A. DOUGLAS MEYER , CHARLES H. VOLK , AZMAT H. SIDDIQI
IPC分类号： G01J5/10
CPC分类号： G01S13/887 , G01J5/10 , G01K11/006 , G01N21/3563 , G01N21/3581
摘要： One embodiment of the invention includes a material detection and/or identification system. The system includes an electromagnetic (EM) sensor system configured to collect EM radiation from a region of interest. The collected EM radiation could comprise orthogonally-polarized EM radiation. The system also includes a processing unit configured to detect and identify a material of interest in the region of interest. As an example, the processing unit could measure reflectivity data associated with a material of interest based on the collected EM radiation and calculate a refractive index of a material of interest based on the measured reflectivity data, such that the material of interest is identified based on the refractive index. The processing unit can also be configured to calculate a surface roughness associated with the material, such that the refractive index can be calculated based on the surface roughness associated with the material.
摘要翻译：本发明的一个实施例包括材料检测和/或识别系统。该系统包括被配置为从感兴趣区域收集EM辐射的电磁（EM）传感器系统。收集的EM辐射可以包括正交极化的EM辐射。该系统还包括处理单元，该处理单元被配置为检测并识别感兴趣区域中的感兴趣的材料。作为示例，处理单元可以基于所收集的EM辐射来测量与感兴趣的材料相关联的反射率数据，并基于所测量的反射率数据计算感兴趣的材料的折射率，使得基于折射率。处理单元还可以被配置为计算与材料相关联的表面粗糙度，使得可以基于与材料相关联的表面粗糙度来计算折射率。

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