ClassID:

172317

G01S3/781 - CPC Classification

Classification description:

Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves Details

Recent Application in this class:
#1
20260131790
2026-05-14

METHOD AND SYSTEM FOR DETECTING REFLECTED MM-WAVES

#2
20250277883
2025-09-04

DIRECTION-FINDING DEVICE BASED ON COUPLED AND DETUNED SPOOF LOCALIZED SURFACE PLASMONS

#3
20250244436
2025-07-31

LASER POSITION DETECTOR

#4
20250158563
2025-05-15

METHODS AND SYSTEMS FOR DETECTING SHADING FOR SOLAR TRACKERS

#5
20250116748
2025-04-10

DEVICE AND METHOD FOR MEASURING AZIMUTH ANGLE AND ELEVATION ANGLE OF MID-INFRARED LASER LIGHT

#6
20250052850
2025-02-13

SYSTEMS AND METHODS FOR DETERMINING ABSOLUTE VELOCITY AND POSITION OF A SENSOR DEVICE FOR MEASURING FLUID AND FLUID CONDUIT PROPERTIES

#7
20250035732
2025-01-30

ANGULAR DEVIATION TRACKING AND DETECTOR DEVICE FOR OPTICAL SYSTEMS

#8
20240369669
2024-11-07

SENSOR APPARATUS FOR MOUNTING ON A VEHICLE WINDOW TO DETERMINE THE POSITION OF THE SUN

#9
20240297613
2024-09-05

Methods and systems for detecting shading for solar trackers

#10
20240219203
2024-07-04

Methods and Systems for Calibrating Sensors Using Road Map Data

#11
20230314545
2023-10-05

MEASUREMENT DEVICE OF ZENITH ANGLE

#12
20230296432
2023-09-21

COMPACT WIDE FIELD IMAGER FOR LASER DETECTION

#13
20230291182
2023-09-14

Device including a multiple-wavelength vertical-cavity surface-emitting laser (VCSEL) array

#14
20230189654
2023-06-15

Multifunction magnetic and piezoresistive MEMS pressure sensor

#15
20230099157
2023-03-30

Systems and methods for determining absolute velocity and position of a sensor device for measuring fluid and fluid conduit properties

#16
20230068495
2023-03-02

Warning receiver for detecting and characterizing an optical source

#17
20220190777
2022-06-16

Flexure bearing assembly

#18
20220190776
2022-06-16

Integrated articulated bearing

#19
20220190775
2022-06-16

Row-end cantilevered beam module support

#20
20220190774
2022-06-16

Integrated bearing assembly

#21
20220190677
2022-06-16

Outboard flexure bearing assembly

#22
20220187409
2022-06-16

MECHANICAL STOP ASSEMBLY

#23
20220186982
2022-06-16

Module clip

#24
20220186775
2022-06-16

Thrust surface bearing

#25
20220170783
2022-06-02

LENSLESS IMAGER FOR LASER DETECTION

#26
20220163349
2022-05-26

Methods and systems for calibrating sensors using road map data

#27
20220093842
2022-03-24

Multifunction magnetic and piezoresistive MEMS pressure sensor

#28
20220003829
2022-01-06

Rydberg-molecule-based microwave direction finding

#29
20210273604
2021-09-02

Methods and systems for detecting shading for solar trackers

#30
20210197834
2021-07-01

System and method for sensing with millimeter waves for sleep position detection, vital signs monitoring and/or driver detection

#31
20210091713
2021-03-25

Methods and systems for detecting shading for solar trackers

#32
20200408886
2020-12-31

Passive altimeter system for a platform and method thereof

#33
20200348386
2020-11-05

Smart track a system for tracking and/or controlling change of location based events

#34
20200278417
2020-09-03

System and method of camera-less optical motion capture

#35
20200174094
2020-06-04

Star tracker for multiple-mode detection and tracking of dim targets

#36
20200064516
2020-02-27

Quantum dot lightning detection and warning system and method

#37
20200014464
2020-01-09

Dynamic filter comprising a first and second metasurface for spectral sensing and emitting systems

#38
20190356265
2019-11-21

Methods and systems for detecting shading for solar trackers

#39
20190331756
2019-10-31

APPARATUS AND METHOD FOR RISLEY PRISM BASED STAR TRACKER AND CELESTIAL NAVIGATION SYSTEM

#40
20190316908
2019-10-17

Master control system for satellite image processing

#41
20190257912
2019-08-22

System and method of camera-less optical motion capture

#42
20190170849
2019-06-06

DETECTOR FOR AN OPTICAL DETECTION OF AT LEAST ONE OBJECT

#43
20190146053
2019-05-16

Laser source location system

#44
20190033421
2019-01-31

Sliced lens star tracker

#45
20190004142
2019-01-03

Contamination and defect resistant optical encoder configuration including a normal of readhead plane at a non-zero pitch angle relative to measuring axis for providing displacement signals

#46
20180341003
2018-11-29

Risley prism based star tracker and celestial navigation systems

#47
20180332241
2018-11-15

System and method for detecting adverse atmospheric conditions ahead of an aircraft

#48
20180267130
2018-09-20

Estimating a source location of a projectile

#49
20180231376
2018-08-16

DETECTOR FOR AN OPTICAL DETECTION OF AT LEAST ONE OBJECT

#50
20180213351
2018-07-26

In-vehicle device position determination

#51
20180172794
2018-06-21

System and method for rank estimation of electromagnetic emitters

#52
20180088204
2018-03-29

Mobile devices for tracking a radiation disk light source and methods using same

#53
20180081027
2018-03-22

Linear optical sensor arrays (LOSA) tracking system for active marker based 3D motion tracking

#54
20180081022
2018-03-22

Polyhedral sensor arrangement and method for operating a polyhedral sensor arrangement

#55
20180005404
2018-01-04

Wireless transmitting/receiving system, wireless receiving device and wireless transmitting/receiving method

#56
20180003554
2018-01-04

Systems and methods for flash localization using at least two photodiodes

#57
20170363741
2017-12-21

Optical detector

#58
20170305549
2017-10-26

Signaling print locations

#59
20170276766
2017-09-28

Self-position estimation apparatus and self-position estimation method

#60
20170115160
2017-04-27

Polarization filtering for window self-emission due to aero-thermal heating

#61
20170038454
2017-02-09

METHOD AND SYSTEM FOR ESTIMATING SIGNAL GENERATION POSITION BASED ON SIGNAL STRENGTH

#62
20160334793
2016-11-17

Pose detection and control of unmanned underwater vehicles (UUVs) utilizing an optical detector array

#63
20160327432
2016-11-10

System for detection and imaging by spectral analysis in several wavelength bands

#64
20160291115
2016-10-06

Compound eye laser tracking device

#65
20160266257
2016-09-15

Detector having a transversal optical sensor and a longitudinal optical sensor

#66
20160216356
2016-07-28

Non-contact fiber optic localization and tracking system

#67
20160182768
2016-06-23

Method and device for acquiring stream of the precisely time-stamped images

#68
20160161587
2016-06-09

Asynchronous pulse detection through sequential time sampling of optically spread signals

#69
20160123801
2016-05-05

Vector light sensor and array thereof

#70
20160123383
2016-05-05

Mounting device for a photovoltaic module

#71
20160097834
2016-04-07

Device and method for positioning a star tracker on a structure

#72
20160073088
2016-03-10

Variable resolution pixel

#73
20160047911
2016-02-18

System and method for summing outputs in a lateral effect position sensing detector array

#74
20150331082
2015-11-19

Apparatus and methods for locating source of and analyzing electromagnetic radiation

#75
20150286849
2015-10-08

Apparatus and method for identifying and localizing objects

#76
20150276913
2015-10-01

SENSOR ARRANGEMENT AND METHOD FOR OPERATING A SENSOR ARRANGEMENT

#77
20150260825
2015-09-17

Solar tracking system using periodic scan patterns with a shielding tube

#78
20150192411
2015-07-09

Two axis interferometer tracking device and method

#79
20150123793
2015-05-07

TRACKING SYSTEM AND METHOD

#80
20150077284
2015-03-19

Estimating a source location of a projectile

#81
20150075584
2015-03-19

TECHNIQUES FOR MONITORING SOLAR ARRAY PERFORMANCE AND APPLICATIONS THEREOF

#82
20140368836
2014-12-18

Positioning device comprising a light beam

#83
20140312161
2014-10-23

Dual-mode SAL/IR imaging

#84
20140291480
2014-10-02

Detector comprising a transversal optical sensor for detecting a transversal position of a light beam from an object and a longitudinal optical sensor sensing a beam cross-section of the light beam in a sensor region

#85
20140240820
2014-08-28

Afocal telescope configured as three or four mirror anastigmat for back-scanned imagery

#86
20140231650
2014-08-21

Digitally scanned multi-cell electro-optic sensor

#87
20140203391
2014-07-24

Integrated circuit including a directional light sensor

#88
20140192414
2014-07-10

Variable length light shield for an electro-optical sensor within a nose cone

#89
20140086454
2014-03-27

ELECTRO-OPTICAL RADAR AUGMENTATION SYSTEM AND METHOD

#90
20140063299
2014-03-06

Movable pixelated filter array

#91
20130306836
2013-11-21

Solar cell system

#92
20130168538
2013-07-04

Light source determining apparatus, light source determining method and optical tracking apparatus

#93
20130120763
2013-05-16

Measurement system of a light source in space

#94
20130048829
2013-02-28

SOLAR CONCENTRATOR POSITIONING SYSTEM AND METHOD

#95
20130021342
2013-01-24

NOISE REDUCTION AND FOCUSING ALGORITHMS FOR GMAPD

#96
20130014584
2013-01-17

Tracking apparatus

#97
20120327219
2012-12-27

Solar tracker device and system

#98
20120292431
2012-11-22

Optical window and detection system employing the same

#99
20120287423
2012-11-15

Miniature laser seeker electro-optics

#100
20120286147
2012-11-15

Wide-angle laser signal sensor having a 360 degree field of view in a horizontal plane and a positive 90 degree field of view in a vertical plane

#101
20120229818
2012-09-13

High-resolution optical position sensing with sparse, low-resolution detectors

#102
20120191350
2012-07-26

System and method for detecting adverse atmospheric conditions ahead of an aircraft

#103
20120159796
2012-06-28

Quasi-uniaxial solar trajectory tracking transit system

#104
20120154794
2012-06-21

Optical angle-of-arrival measurement system and method for multiple light sources

#105
20120150484
2012-06-14

Threat detection systems and methods using position-sensing photodiodes

#106
20120113408
2012-05-10

Radiation sensor for detecting the position and intensity of a radiation source

#107
20110304737
2011-12-15

GIMBAL POSITIONING WITH TARGET VELOCITY COMPENSATION

#108
20110240862
2011-10-06

Solar sensor for the detection of the direction of incidence and the intensity of solar radiation

#109
20110176214
2011-07-21

Baffles and methods for distributed-aperture sensors

#110
20110066401
2011-03-17

SYSTEM FOR AND METHOD OF MONITORING AND DIAGNOSING THE PERFORMANCE OF PHOTOVOLTAIC OR OTHER RENEWABLE POWER PLANTS

#111
20110025521
2011-02-03

Body mounted detector and method for detecting flash in solar blind ultraviolet spectral region

#112
20100327105
2010-12-30

Optical system for a missile, and method for imaging an object

#113
20100302557
2010-12-02

Method for determining position, laser beam detector and detector-reflector device for a system for determining position

#114
20100290026
2010-11-18

Radiation sensor for detecting the position and intensity of a radiation source

#115
20100264253
2010-10-21

Projectile guidance system including a compact semi-active laser seeker

#116
20100263710
2010-10-21

Single axis solar tracker

#117
20100245588
2010-09-30

TAG TRACKING SYSTEM

#118
20100192940
2010-08-05

Sun Following Sensor Unit And A Sun Following Apparatus Having The Same Therewith

#119
20100123121
2010-05-20

Thyristor radiation detector array and applications thereof

#120
20100108860
2010-05-06

Techniques for monitoring solar array performance and applications thereof

#121
20100059658
2010-03-11

Light source direction detection device and method for detecting light source direction

#122
20100002242
2010-01-07

Interferometric tracking device

#123
20090326816
2009-12-31

Attitude correction apparatus and method for inertial navigation system using camera-type solar sensor

#124
20090262197
2009-10-22

Moving object image tracking apparatus and method

#125
20090249787
2009-10-08

Method for controlling the alignment of a heliostat with respect to a receiver, heliostat device and solar power plant

#126
20090122301
2009-05-14

Light angle detection device, method for fabrication thereof and electronic device employing same

#127
20090101821
2009-04-23

Infrared array sensor

#128
20090101793
2009-04-23

Absolute target system enhanced by combining a star sensor and a formation flight optical metrological sensor

#129
20090027663
2009-01-29

Method of detecting sources of coherent radiation and a device utilising the method

#130
20090008495
2009-01-08

Exclusion zone guidance method for spacecraft

#131
20090000803
2009-01-01

Synthetic material end for a DC electric cable

#132
20080258065
2008-10-23

Electromagnetic Energy Propagation Direction Sensor and Method of Using Same

#133
20080187176
2008-08-07

Video camera tracking system based on geoposition data feedback

#134
20080068711
2008-03-20

Peripheral filtering star tracker telescope

#135
20080061973
2008-03-13

Apparatus and method for determining the position of a mobile platform

#136
20080030822
2008-02-07

Scanning imaging apparatus

#137
20070290096
2007-12-20

Methods and apparatus for guidance systems

#138
20070237473
2007-10-11

Light source orientation detector

#139
20070237357
2007-10-11

Visual sensing for large-scale tracking

#140
20060249297
2006-11-09

Synthetic material end for a DC electric cable

#141
20060163446
2006-07-27

Method and apparatus of using optical distortion in a directed countermeasure system to provide a variable field of view

#142
20060139482
2006-06-29

Image acquisition module for monitoring applications of the external surroundings of a vehicle

#143
20060054792
2006-03-16

Technique for lensless optical positioning with a plurality of light collectors

#144
20060049985
2006-03-09

Apparatus and methods for detecting and locating signals

#145
20050213096
2005-09-29

Pattern recognition system

#146
20050206773
2005-09-22

Optical tracking system using variable focal length lens

#147
20050167569
2005-08-04

Laser receiver and laser receiving system

#148
20050105101
2005-05-19

Sensor for determining the angular position of a radiating point source in two dimensions and method of operation

#149
20050018879
2005-01-27

Object tracking method and object tracking apparatus

#150
19056637
2025-09-02

Direction-finding device based on coupled and detuned spoof localized surface plasmons

#151
16998849
2023-02-14

Optical detector system

#152
16939797
2022-03-29

Methods and systems for calibrating sensors using road map data

#153
15649117
2019-11-12

System and method for rank estimation of electromagnetic emitters

#154
14750532
2017-10-31

Fiber optic directional sensor with wide-field optical field expanding element and method

#155
14218607
2017-06-06

Electromagnetic sensor and optical detection system for detecting angle of arrival of optical signals and a range of a source of the optical signals