ClassID:

172533

G01S7/493 - CPC Classification

Classification description:

Details of systems according to groups of systems according to group; Details of non-pulse systems Extracting wanted echo signals

Recent Application in this class:
#1
20260147102
2026-05-28

LIDAR DEVICE AND OPERATING METHOD THEREOF

#2
20260133321
2026-05-14

SIGNAL PROCESSING DEVICE AND METHOD FOR HIGH-RESOLUTION MULTI-CHANNEL 3D LIDAR

#3
20260023182
2026-01-22

MANAGING DIGITAL PROCESSING FOR BEAMFORMING FOR OPTICAL PHASED ARRAYS

#4
20260003040
2026-01-01

MOE-based optics for FMCW LiDAR

#5
20250389827
2025-12-25

MEASUREMENT APPARATUS, MEASUREMENT SYSTEM, AND MEASUREMENT METHOD

#6
20250341620
2025-11-06

FOURIER EMBEDDING OF AMPLITUDE AND PHASE FOR SINGLE-IMAGE DEPTH RECONSTRUCTION

#7
20250327913
2025-10-23

FREQUENCY SWEEP CONTROL METHOD AND APPARATUS

#8
20250321336
2025-10-16

LIDAR Pixel with Dual Polarization Receive Optical Antenna

#9
20250321327
2025-10-16

LIDAR SYSTEM USING MULTIPLE WAVELENGTHS AND OPERATING METHOD THEREOF

#10
20250306188
2025-10-02

FMCW LIDAR AND SCANNING METHOD THEREFOR

#11
20250306187
2025-10-02

LiDAR SYSTEM USING MULTIPLE WAVELENGTHS AND OPERATING METHOD THEREOF

#12
20250271560
2025-08-28

IDENTIFICATION OF MATERIALS ILLUMINATED BY LIDAR SYSTEMS

#13
20250264610
2025-08-21

TECHNIQUES FOR GHOSTING MITIGATION IN COHERENT LIDAR SYSTEMS USING MULTIPLE CHIRP RATES

#14
20250264582
2025-08-21

DISTANCE MEASURING DEVICE

#15
20250155560
2025-05-15

TIME-OF-FLIGHT DETECTION CIRCUITRY AND TIME-OF-FLIGHT DETECTION METHOD

#16
20250138190
2025-05-01

4D FMCW LiDAR Sensor with Ultra-High Velocity Resolution

#17
20250076465
2025-03-06

RETROREFLECTIVE MECHANISMS ON OPTICAL RANGING, PROXIMITY, AND IMAGE SENSORS TO REDUCE OPTICAL NOISE FROM UNWANTED SOURCES

#18
20250035791
2025-01-30

AUTONOMOUS VEHICLE LIDAR SYSTEM USING A WAVEGUIDE ARRAY

#19
20240377514
2024-11-14

LONG RANGE COHERENT LIDAR

#20
20240361459
2024-10-31

EVENT CAMERA WIDE AREA LASER DETECTION AND RANGING

#21
20240361431
2024-10-31

Sending Apparatus, Detection System, and Detection Method of Lidar

#22
20240345230
2024-10-17

LIDAR AND OPTICAL CHIP

#23
20240302511
2024-09-12

DISTANCE MEASUREMENT SYSTEM

#24
20240288583
2024-08-29

LOCAL OSCILLATOR TAP USING REFLECTION FOR COHERENT LIDAR

#25
20240272288
2024-08-15

Signal processing based on signal subband typing

#26
20240255627
2024-08-01

TECHNIQUES FOR MITIGATING CROSS-CHANNEL INTERFERENCE IN FMCW LIDAR SYSTEMS

#27
20240255623
2024-08-01

Signal Processing Method and Related Apparatus

#28
20240241256
2024-07-18

Method And System For Doppler Detection And Doppler Correction Of Optical Chirped Range Detection

#29
20240230849
2024-07-11

Optical Tracking Control System

#30
20240210538
2024-06-27

COHERENT LIDAR SYSTEM FOR CAPTURING THE SURROUNDINGS WITH PHASE MODULATION AND HARDWIRED DIGITAL CIRCUIT

#31
20240201343
2024-06-20

LIDAR SYSTEM WITH SUPRESSED DOPPLER FREQUENCY SHIFT

#32
20240175998
2024-05-30

DUAL-WAVELENGTH PHASE RANGE FINDER FOR IMPROVING MEASUREMENT OF VISION CAPTURE

#33
20240159882
2024-05-16

METHOD AND APPARATUS FOR DETECTING AND/OR IDENTIFYING OBJECTS

#34
20240134012
2024-04-25

Optical Tracking Control System

#35
20240094361
2024-03-21

LASER RADAR DEVICE

#36
20240094329
2024-03-21

DETECTOR FOR OPTICALLY DETECTING AT LEAST ONE OBJECT

#37
20240085518
2024-03-14

DETECTOR AND METHODS FOR AUTHENTICATING AT LEAST ONE OBJECT

#38
20240069200
2024-02-29

Techniques for point cloud processing utilizing point indices

#39
20240019539
2024-01-18

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING SYSTEM

#40
20240012092
2024-01-11

DETECTOR FOR OPTICALLY DETECTING AT LEAST ONE OBJECT

#41
20240004045
2024-01-04

Mitigation of phase noise due to back-scatter in coherent optical sensing

#42
20230417922
2023-12-28

RECEIVING DEVICE OF A DETECTION DEVICE FOR MONITORING AT LEAST ONE MONITORING REGION FOR OBJECTS, DETECTION DEVICE, VEHICLE COMPRISING AT LEAST ONE DETECTION DEVICE, AND METHOD FOR OPERATING A SELECTION DEVICE

#43
20230408639
2023-12-21

RECEIVED-SIGNAL PROCESSING APPARATUS OF A DETECTION DEVICE FOR MONITORING AT LEAST ONE MONITORING REGION, DETECTION DEVICE AND METHOD FOR OPERATING A DETECTION DEVICE

#44
20230400580
2023-12-14

METHOD OF PERFORMING DETECTION USING FREQUENCY MODULATED CONTINUOUS WAVE AND LIDAR

#45
20230400578
2023-12-14

LIDAR pixel with dual polarization receive optical antenna

#46
20230333226
2023-10-19

ELIMINATING SENSOR SELF-HIT DATA

#47
20230267575
2023-08-24

TECHNIQUES FOR FILTERING POINTS IN A LIGHT DETECTION AND RANGING SYSTEM

#48
20230251360
2023-08-10

IDENTIFICATION OF MATERIALS ILLUMINATED BY LIDAR SYSTEMS

#49
20230213651
2023-07-06

Techniques for ghosting mitigation in coherent LIDAR systems using multiple chirp rates

#50
20230213610
2023-07-06

Detector and methods for authenticating at least one object

#51
20230204736
2023-06-29

LIDAR SYSTEM, ECHO SIGNAL PROCESSING METHOD AND APPARATUS, AND ELECTRONIC DEVICE

#52
20230204723
2023-06-29

Lidar control method, terminal apparatus, and computer-readable storage medium

#53
20230161042
2023-05-25

METHOD OF OPERATING A LIDAR SYSTEM FOR DETECTION OF GAS

#54
20230133767
2023-05-04

LIDAR DEVICE AND METHOD FOR OPERATING SAME

#55
20230108515
2023-04-06

Time-of-flight image sensor resolution enhancement and increased data robustness using a binning module

#56
20230102241
2023-03-30

Light detection apparatus

#57
20230090917
2023-03-23

Techniques for using a series cascaded filter to determine range and/or velocity information

#58
20230084817
2023-03-16

Light detection and ranging receiver with avalanche photodiodes

#59
20230072110
2023-03-09

Modulated Wave Time of Flight (mwToF) Sensor

#60
20230052690
2023-02-16

OPTICAL MEASUREMENT DEVICE AND MEASUREMENT METHOD

#61
20230048328
2023-02-16

DISTANCE-MEASURING APPARATUS AND DISTANCE-MEASURING METHOD

#62
20230003891
2023-01-05

MULTI-SENSOR LIDAR

#63
20230003887
2023-01-05

LIDAR WITH A BALANCED DETECTOR

#64
20230003882
2023-01-05

LIDAR AND METHOD FOR RANGE DETECTION USING LIDAR

#65
20220397672
2022-12-15

Method of operating a lidar system for detection of gas

#66
20220373641
2022-11-24

Detector for optically detecting at least one object

#67
20220357447
2022-11-10

LiDAR DEVICE, LiDAR SYSTEM, AND MEASUREMENT METHOD USING LiDAR

#68
20220342056
2022-10-27

Ranging system

#69
20220334235
2022-10-20

Techniques for signal processing based on subband typing

#70
20220308217
2022-09-29

Techniques for ghosting mitigation in coherent LIDAR systems using multiple chirp rates

#71
20220299640
2022-09-22

Techniques for identifying true signals in coherent LIDAR systems

#72
20220283276
2022-09-08

LIDAR waveform calibration system

#73
20220276347
2022-09-01

LIGHT DETECTION AND RANGING SYSTEM

#74
20220244390
2022-08-04

Camera module

#75
20220236388
2022-07-28

TECHNIQUES FOR PARALLEL CASCADE FILTERING IN POINT CLOUDS

#76
20220229165
2022-07-21

Multi-phase correlation vector synthesis ranging method and apparatus

#77
20220221583
2022-07-14

ULTRA-LOW PHASE NOISE MILLIMETER-WAVE OSCILLATOR AND METHODS TO CHARACTERIZE SAME

#78
20220206158
2022-06-30

EVENT DRIVEN SHARED MEMORY PIXEL

#79
20220128703
2022-04-28

Autonomous vehicle LIDAR system using a waveguide array

#80
20220128692
2022-04-28

METHOD FOR DEPTH MEASUREMENT WITH A TIME-OF-FLIGHT CAMERA USING AMPLITUDE-MODULATED CONTINUOUS LIGHT

#81
20220122226
2022-04-21

Techniques for cascade filtering of points of interest in point clouds

#82
20220120880
2022-04-21

ADAPTIVE AVALANCHE PHOTODIODE BIAS SET POINT CALIBRATION SYSTEM AND METHOD

#83
20220120879
2022-04-21

Techniques for point cloud filtering

#84
20220120878
2022-04-21

Techniques for fast point cloud filtering using a parallel cascaded filter

#85
20220113412
2022-04-14

Techniques for ghosting mitigation in coherent lidar systems

#86
20220107392
2022-04-07

Proximity sensor with integrated ALS

#87
20220099834
2022-03-31

Methods of linearizing non-linear chirp signals

#88
20220075076
2022-03-10

Multiple target LIDAR system

#89
20220075075
2022-03-10

Lidar phase noise cancellation system

#90
20220075041
2022-03-10

LIDAR waveform generation system

#91
20220057494
2022-02-24

Signal processing techniques for improving target detection and/or resolution

#92
20210357552
2021-11-18

System for Emulating an Environment for Testing a Time-of-Flight (ToF) Detection and Ranging (LiDAR) System

#93
20210356571
2021-11-18

System for emulating an environment for testing a frequency modulated continuous wave (FMCW) detection and ranging (LiDAR) system

#94
20210356570
2021-11-18

System for Emulating an Environment for Testing a Frequency Modulated Continuous Wave (FMCW) Light Detection and Ranging (LiDAR) System

#95
20210333373
2021-10-28

Eliminating sensor self-hit data

#96
20210311176
2021-10-07

Method for determining and compensating stray light from a 3D laser scanner

#97
20210255290
2021-08-19

LIDAR system for autonomous vehicle

#98
20210231812
2021-07-29

Imaging device and method

#99
20210199770
2021-07-01

Optical redirector device

#100
20210165102
2021-06-03

Autonomous vehicle LIDAR system using a waveguide array

#101
20210096259
2021-04-01

Method and apparatus for dynamic reconfiguration of region of interest in integrated FMCW LIDAR

#102
20210063550
2021-03-04

Lidar receiver with dual analog-to-digital converters

#103
20210063544
2021-03-04

Light detection and ranging receiver with avalanche photodiodes

#104
20210011141
2021-01-14

Laser radar device

#105
20200404246
2020-12-24

Time-of-flight image sensor resolution enhancement and increased data robustness using a binning module

#106
20200386874
2020-12-10

Method and apparatus for compensating stray light caused by an object in a scene that is sensed by a time-of-flight camera

#107
20200292681
2020-09-17

METHODS AND APPARATUS FOR LIDAR OPERATION WITH SEQUENCING OF PULSES

#108
20200252535
2020-08-06

Heterodyne starring array active imager with spread spectrum illuminator

#109
20200200879
2020-06-25

Scanning LiDAR system and method

#110
20200191565
2020-06-18

Distance measuring device and method of controlling distance measuring device

#111
20200183006
2020-06-11

Detector for optically detecting at least one object

#112
20200166647
2020-05-28

Lidar system for autonomous vehicle

#113
20200166617
2020-05-28

LIDAR system for autonomous vehicle

#114
20200096638
2020-03-26

METHOD AND APPARATUS FOR ACQUIRING DEPTH IMAGE, AND ELECTRONIC DEVICE

#115
20190361093
2019-11-28

Proximity sensor with integrated ALS

#116
20190353767
2019-11-21

Detector for optically detecting at least one object

#117
20190339356
2019-11-07

Detector for optically detecting at least one object

#118
20190310372
2019-10-10

Method and system for doppler detection and doppler correction of optical chirped range detection

#119
20190265360
2019-08-29

Time of flight camera

#120
20190219696
2019-07-18

Time of flight camera

#121
20190204441
2019-07-04

Method for processing a signal arising from coherent lidar and associated lidar system

#122
20190178982
2019-06-13

Apparatus and methods for detection of objects using broadband signals

#123
20190104296
2019-04-04

Methods and apparatus for superpixel modulation with ambient light suppression

#124
20190098285
2019-03-28

Methods and apparatus for superpixel modulation with ambient light suppression

#125
20190098284
2019-03-28

Methods and apparatus for superpixel modulation with ambient light suppression

#126
20190086518
2019-03-21

Scanning lidar system and method

#127
20190082163
2019-03-14

Methods and apparatus for superpixel modulation with ambient light suppression

#128
20190079166
2019-03-14

LiDAR apparatus and operating method thereof

#129
20190051004
2019-02-14

3D sensing technology based on multiple structured illumination

#130
20190025414
2019-01-24

Detector device with majority current and a circuitry for controlling the current

#131
20180348371
2018-12-06

Acquisition of distance data with optical ranging systems

#132
20180313955
2018-11-01

Time of flight camera

#133
20180306909
2018-10-25

Active pixel circuit for a time-of-flight system and method for operating the same

#134
20180292516
2018-10-11

Time of flight camera

#135
20180292206
2018-10-11

Distance measuring device and method of controlling distance measuring device

#136
20180275254
2018-09-27

System and method for glare suppression and ranging

#137
20180211398
2018-07-26

System for depth data filtering based on amplitude energy values

#138
20180203123
2018-07-19

Object position detection apparatus

#139
20180203101
2018-07-19

Sensing module for eliminating crosstalk

#140
20180136316
2018-05-17

Single laser LIDAR system

#141
20180106665
2018-04-19

Weighing apparatus with proximity sensor

#142
20180100924
2018-04-12

Stray-light tolerant lidar measurement system and stray-light tolerant lidar measurement method

#143
20180089847
2018-03-29

Time-of-flight (TOF) capturing apparatus and image processing method of reducing distortion of depth caused by multiple reflection

#144
20180068424
2018-03-08

Time-of-flight measuring apparatus and image processing method for reducing blur of depth image therein

#145
20180067197
2018-03-08

Method and system for real-time motion artifact handling and noise removal for ToF sensor images

#146
20180024227
2018-01-25

Signal processing device, signal processing method, recording medium, target detection device, and target detection method

#147
20180012372
2018-01-11

Distance image acquisition apparatus and distance image acquisition method

#148
20170343652
2017-11-30

Direct detection LiDAR system and method with frequency modulation (FM) transmitter and quadrature receiver

#149
20170336498
2017-11-23

Arithmetic processor, arithmetic processing method, and computer readable medium storing computer program

#150
20170328993
2017-11-16

Methods and apparatus for lidar operation with sequencing of pulses

#151
20170322310
2017-11-09

Multipath signal removal in time-of-flight camera apparatus

#152
20170322309
2017-11-09

Specular reflection removal in time-of-flight camera apparatus

#153
20170227643
2017-08-10

Time-of-flight distance measurement device

#154
20170180703
2017-06-22

Methods and apparatus for superpixel modulation with ambient light suppression

#155
20170139041
2017-05-18

Ranging device with imaging capability

#156
20170123067
2017-05-04

TOF camera system and a method for measuring a distance with the system

#157
20170069677
2017-03-09

Detector, detector with lock-in amplifier, substrate, and method for manufacturing a detector

#158
20170023661
2017-01-26

Apparatus and methods for detection of objects using broadband signals

#159
20170019976
2017-01-19

Light reflectance based detection

#160
20160259035
2016-09-08

System and method for phased array material imaging

#161
20160139249
2016-05-19

Low power laser sensing

#162
20160084959
2016-03-24

Person-detecting sensor and automatic water faucet

#163
20160084946
2016-03-24

Phase error correction in synthetic aperture imaging

#164
20160061655
2016-03-03

Measurement system

#165
20160018525
2016-01-21

Quantum imaging for underwater arctic navigation

#166
20150334376
2015-11-19

Method of acquiring depth image and image acquiring apparatus using thereof

#167
20150334318
2015-11-19

Method and apparatus for de-noising data from a distance sensing camera

#168
20150309164
2015-10-29

Method and apparatus using light amount values and determined weight value for controlling gesture sensor

#169
20150253429
2015-09-10

Time of flight camera system which resolves direct and multi-path radiation components

#170
20150177367
2015-06-25

Single laser LIDAR system

#171
20150097715
2015-04-09

Error compensation by measurement of the STC filter function

#172
20140340569
2014-11-20

Methods and apparatus for multi-frequency camera

#173
20140333917
2014-11-13

Interference reduction for TOF systems

#174
20140253905
2014-09-11

Depth pixel and image pick-up apparatus including the same

#175
20140152974
2014-06-05

Method for time of flight modulation frequency detection and illumination modulation frequency adjustment

#176
20140118718
2014-05-01

Modulated laser range finder and method

#177
20140110583
2014-04-24

Method and apparatus for adjusting sensing threshold of infrared proximity sensor

#178
20140103199
2014-04-17

Proximity sensor device with internal channeling section

#179
20140085621
2014-03-27

Proximity sensor and proximity sensing method using event-based vision sensor

#180
20140070078
2014-03-13

Optical proximity sensor with ambient light and temperature compensation

#181
20130341495
2013-12-26

Method and device for detecting an object with background suppression

#182
20130215410
2013-08-22

Velocity measuring system

#183
20130101176
2013-04-25

3D image acquisition apparatus and method of calculating depth information in the 3D image acquisition apparatus

#184
20120019690
2012-01-26

Active imaging device and method for speckle noise reduction

#185
20120010858
2012-01-12

SIGNAL EVALUATING DEVICE AND SIGNAL EVALUATING METHOD

#186
20120004877
2012-01-05

SIGNAL EVALUATING DEVICE AND SIGNAL EVALUATING METHOD

#187
20110295562
2011-12-01

Method and system for noise simulation analysis useable with systems including time-of-flight depth systems

#188
20110285984
2011-11-24

Velocity measuring system

#189
20110181863
2011-07-28

Single-particle LIDAR anemometry method and system

#190
20100328680
2010-12-30

OPTICAL SENSOR

#191
20090122297
2009-05-14

Range image generating apparatus

#192
20090103072
2009-04-23

Method and a system for determining a physical property as a function of position

#193
20090079959
2009-03-26

Method and device for measuring distance

#194
20090045359
2009-02-19

Spatial information detecting apparatus

#195
20080231832
2008-09-25

Ranging apparatus and ranging method

#196
20080231831
2008-09-25

Ranging apparatus and ranging method

#197
20080175596
2008-07-24

Optical correlation apparatus and method

#198
20080029701
2008-02-07

Night-vision imaging apparatus, control method of the same, and headlight module

#199
20080029690
2008-02-07

Photodetector, spatial information detecting device using the photodetector, and photo detection method

#200
20070182949
2007-08-09

Method and arrangement for measuring the distance to an object

#201
20070171396
2007-07-26

Laser radar device and method

#202
20070097349
2007-05-03

Optical distance measuring apparatus

#203
20070057209
2007-03-15

Range image sensor

#204
20050213075
2005-09-29

Target identification system and method

#205
20050178946
2005-08-18

Light receiving device with controllable sensitivity and spatial information detecting apparatus with charge discarding device using the same

#206
20050160822
2005-07-28

Method and apparatus for laser vibrometry

#207
20050156121
2005-07-21

Method enabling a standard CMOS fab to produce an IC to sense three-dimensional information using augmented rules creating mask patterns not otherwise expressible with existing fab rules

#208
20050145773
2005-07-07

Spatial information detecting device using intensity-modulated light and a beat signal

#209
20050083512
2005-04-21

Method and device for distance measurement

#210
17896159
2023-03-21

Techniques for point cloud processing utilizing point indices

#211
17836280
2023-04-04

LIDAR pixel with dual polarization receive optical antenna

#212
16550153
2021-12-07

Reducing noise in sensor data

#213
14250200
2017-07-18

Velocity measuring system