ClassID:

172400

G01S5/22 - CPC Classification

Classification description:

Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements

Recent Application in this class:
#1
20260093008
2026-04-02

DECOUPLING-BASED LOW-COMPLEXITY METHOD FOR SCATTER SIGNATURE ESTIMATION IN THE WIDEBAND MULTI-ANTENNA MULTI-CARRIER SYSTEMS.

#2
20260039962
2026-02-05

System and Method for Gunshot Detection

#3
20250334664
2025-10-30

Methods and Apparatus to Improve Detection of Audio Signatures

#4
20250283973
2025-09-11

SOUND SOURCE POSITION DETERMINATION METHOD, HEAD-MOUNTED DEVICE, AND STORAGE MEDIUM

#5
20250264571
2025-08-21

METHOD AND DEVICE FOR LOCATING A FIREARM

#6
20250251486
2025-08-07

INTEGRATING AUDIO SIGNAL INFORMATION FOR POSITIONING AND SENSING

#7
20250186017
2025-06-12

DEVICE AND A METHOD FOR MONITORING AN IMPLANT

#8
20250147144
2025-05-08

3D GUNSHOT LOCALIZATION, TRACKING, AND AI ENHANCED SYSTEM FOR SUBSTATION SECURITY

#9
20250130307
2025-04-24

INDOOR MIMO ACOUSTIC DETECTION AND LOCALIZATION USING TONE SIGNALS

#10
20250003826
2025-01-02

METHOD OF DETERMINING A LOCATION OF A FAILURE EVENT IN A PRESSURISED FLUID DUCT

#11
20250003825
2025-01-02

METHOD OF CHARACTERISING A FAILURE EVENT IN A PRESSURISED FLUID DUCT

#12
20240329186
2024-10-03

Methods and Apparatus to Improve Detection of Audio Signatures

#13
20240329185
2024-10-03

SIGNAL SOURCE POSITION ESTIMATION APPARATUS, SYSTEM, AND METHOD

#14
20240314863
2024-09-19

SONIC INITIATION OF DEVICE INTERACTIVITY

#15
20240255607
2024-08-01

Sound source identification method and system based on array measurement and sparse prior information

#16
20240175975
2024-05-30

OUTDOOR SOUND SOURCE IDENTIFICATION

#17
20240168126
2024-05-23

Firearm Discharge Location Systems and Methods

#18
20240129633
2024-04-18

System and method for gunshot detection

#19
20240012093
2024-01-11

Improved location of an acoustic source

#20
20230341508
2023-10-26

SONIC POLE POSITION TRIANGULATION IN A LIGHTING SYSTEM

#21
20230324497
2023-10-12

DEVICES AND METHODS FOR 3D POSITION DETERMINATION

#22
20230296723
2023-09-21

METHODOLOGY FOR LOCATING SOUND SOURCES BEHIND A SOLID STRUCTURE

#23
20230273036
2023-08-31

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING PROGRAM, AND AUDIO PROCESSING DEVICE

#24
20230243918
2023-08-03

Methods and apparatus to improve detection of audio signatures

#25
20230243917
2023-08-03

INFORMATION PROCESSING DEVICE, USER TERMINAL, CONTROL METHOD, NON-TRANSITORY COMPUTER-READABLE MEDIUM, AND INFORMATION PROCESSING SYSTEM

#26
20230213611
2023-07-06

METHODS, SYSTEMS, AND MEDIA FOR LOCATING VIBRATION SIGNAL SOURCES

#27
20230184880
2023-06-15

Waveform emission location determination systems and associated methods

#28
20230160993
2023-05-25

High-resolution sound source map obtaining and analyzing method and system using artificial intelligence neural network

#29
20230109995
2023-04-13

UNMANNED AERIAL VEHICLE DETECTOR

#30
20220357417
2022-11-10

Sound source visualization device and method

#31
20220232511
2022-07-21

Data collection device, signal generation position identification system, data collection method, signal generation position identification method, and program

#32
20220196816
2022-06-23

Apparatus, method and system for determining speeding of vessel based on artificial intelligence

#33
20220120895
2022-04-21

System for detecting direction of a vehicle honk and determining location of honking vehicle

#34
20220099829
2022-03-31

ULTRASONIC SYSTEM AND METHOD FOR DETERMINING THE LOCATION OF A DRIVER OF A VEHICLE

#35
20220091223
2022-03-24

Methods and apparatus to improve detection of audio signatures

#36
20220041101
2022-02-10

Vehicle alarm device

#37
20220034994
2022-02-03

TIME DIFFERENCE OF ARRIVAL ESTIMATOR BASED ON A JOINT-OPTIMIZATION FORMULATION

#38
20220026518
2022-01-27

SYSTEM FOR LOCALIZATION OF SOUND SOURCES

#39
20220011400
2022-01-13

METHODS AND APPARATUS TO ADJUST TIME DIFFERENCE OF ARRIVAL DISTANCE VALUES USED FOR SOURCE LOCALIZATION

#40
20210405148
2021-12-30

AN ARTIFICIAL INTELLIGENCE APPARATUS FOR PROVIDING SERVICE BASED ON PATH OF USER AND METHOD FOR THE SAME

#41
20210389818
2021-12-16

System and method for human interaction with virtual objects

#42
20210389412
2021-12-16

Firearm discharge location systems and methods

#43
20210302556
2021-09-30

Method for determining change in distance, location prompting method and apparatus and system thereof

#44
20210293918
2021-09-23

Acoustic collision detection and localization for robotic devices

#45
20210141050
2021-05-13

Positioning system for determining a location of an object

#46
20210112336
2021-04-15

Sound Source Localization and Sound System

#47
20210082260
2021-03-18

SECURITY SYSTEM FOR DETECTING HAZARDOUS EVENTS AND OCCUPANTS IN A BUILDING

#48
20210082259
2021-03-18

Security system for detecting hazardous events and occupants in a building

#49
20210037337
2021-02-04

Audio apparatus adaptable to user position

#50
20210012627
2021-01-14

SECURITY SYSTEM FOR DETECTING HAZARDOUS EVENTS AND OCCUPANTS IN A BUILDING

#51
20200408874
2020-12-31

Methods and apparatus to improve detection of audio signatures

#52
20200371195
2020-11-26

Method and apparatus for evaluating accuracy in positioning a receiver point

#53
20200333429
2020-10-22

SONIC POLE POSITION TRIANGULATION IN A LIGHTING SYSTEM

#54
20200271780
2020-08-27

Underwater acoustic tracking and two way messaging system

#55
20200226892
2020-07-16

Security system for detecting hazardous events and occupants in a building

#56
20200225313
2020-07-16

Security System for Detecting Hazardous Events and Occupants in a Building

#57
20200130524
2020-04-30

Method and device for locating a vehicle for an inductive energy transmission

#58
20200059744
2020-02-20

Audio apparatus adaptable to user position

#59
20200042078
2020-02-06

System and method for human interaction with virtual objects using reference device with fiducial pattern

#60
20200025864
2020-01-23

Ultrasonic signal triangulation

#61
20190324116
2019-10-24

OPERATION SOUND BASED DETERMINATION OF A TOOL POSITION

#62
20190293745
2019-09-26

Method, apparatus, and system for tracking arbitrary motion of an inspection probe in multiple dimensions

#63
20190285745
2019-09-19

Acoustic spatial diagnostics for smart home management

#64
20190274003
2019-09-05

Real-time location smart speaker notification system

#65
20190271761
2019-09-05

POSITIONING SYSTEM AND POSITIONING METHOD

#66
20190266422
2019-08-29

System and methods for identifying unoccupied parking positions

#67
20190262691
2019-08-29

Method and system for localization of ball hit events

#68
20190227166
2019-07-25

Using direction of arrival with unique audio signature for object location detection

#69
20190215795
2019-07-11

Location aware networking for ad-hoc networks and method therefor

#70
20190208483
2019-07-04

Collaborating sensor array and method therefor

#71
20190187264
2019-06-20

Method for determining change in distance, location prompting method and apparatus and system thereof

#72
20190187243
2019-06-20

Aircraft acoustic position and orientation detection method and apparatus

#73
20190137637
2019-05-09

Ship-towed hydrophone volumetric array system apparatus

#74
20190132906
2019-05-02

Mesh ranging and network message and slot structure for ad-hoc networks and method therefor

#75
20190132878
2019-05-02

Hybrid time division multiple access (TDMA) and carrier sense multiple access (CSMA) for interference avoidance method therefor

#76
20190086508
2019-03-21

Acoustic ranging based positioning of objects using sound recordings by terminals

#77
20190079162
2019-03-14

Electronic device movement detection

#78
20190069109
2019-02-28

Audio apparatus adaptable to user position

#79
20190011531
2019-01-10

Following method and device for unmanned aerial vehicle and wearable device

#80
20180364325
2018-12-20

Sensor receiver nulls and null steering

#81
20180333135
2018-11-22

Portable ultrasonic facilities diagnosis device

#82
20180321355
2018-11-08

Electronic device with laser marking function and laser marking method

#83
20180284246
2018-10-04

Using Acoustic Signals to Modify Operation of a Lidar System

#84
20180266999
2018-09-20

Position location system, position location method, and non-transitory computer readable storage medium

#85
20180210065
2018-07-26

Adaptive algorithm and software for recognition of ground-based, airborne, underground, and underwater low frequency events

#86
20180198535
2018-07-12

Method and system for ultrasonic proximity service

#87
20180164403
2018-06-14

Sound source position detection device, sound source position detection method, sound source position detection program, and recording medium

#88
20180143290
2018-05-24

Remote unit data registration

#89
20180074163
2018-03-15

METHOD AND SYSTEM FOR POSITIONING SOUND SOURCE BY ROBOT

#90
20180049004
2018-02-15

Arrangement for, and method of, locating a mobile device in a venue by inferring transit timer values of ranging signals received by the mobile device in a time difference of arrival (TDOA)-based ultrasonic locationing system

#91
20180032161
2018-02-01

PEN, DISTANCE MEASUREMENT METHOD AND DISTANCE MEASUREMENT DEVICE

#92
20170350958
2017-12-07

Method and apparatus for locating a mobile device

#93
20170343687
2017-11-30

Ship-towed hydrophone volumetric array system apparatus

#94
20170328983
2017-11-16

Systems and methods for transient acoustic event detection, classification, and localization

#95
20170302779
2017-10-19

Electronic device control system, and method for operating electronic device control system

#96
20170285168
2017-10-05

Object detection device

#97
20170263126
2017-09-14

Method for providing sound detection information, apparatus detecting sound around a vehicle, and a vehicle including the same

#98
20170241805
2017-08-24

Position sensor and method for determining a position of a timepiece setting stem

#99
20170234966
2017-08-17

DEVICE FOR UAV DETECTION AND IDENTIFICATION

#100
20170219685
2017-08-03

Displacement and rotation measurement for unmanned aerial vehicles

#101
20170213459
2017-07-27

SYSTEM AND METHOD OF IDENTIFYING A VEHICLE AND DETERMINING THE LOCATION AND THE VELOCITY OF THE VEHICLE BY SOUND

#102
20170154638
2017-06-01

Determining audio event based on location information

#103
20170131384
2017-05-11

Mobile device indoor navigation

#104
20170067993
2017-03-09

Underwater acoustic tracking and two way messaging system

#105
20170038455
2017-02-09

Locating and ranging using coherent array reconciliation tomography

#106
20170031001
2017-02-02

Arrangement for, and method of, enhancing the accuracy of position detection and tracking of a mobile device movable in a venue

#107
20170010343
2017-01-12

POSITION AND BEHAVIORAL TRACKING SYSTEM AND USES THEREOF

#108
20160356876
2016-12-08

Method and apparatus for locating a mobile device within an indoor environment

#109
20160341813
2016-11-24

Systems and methods for detecting physical asset locations

#110
20160334500
2016-11-17

System and method for identifying location of gunfire from a moving object

#111
20160171965
2016-06-16

Vibration source estimation device, vibration source estimation method, and vibration source estimation program

#112
20160165467
2016-06-09

Position detection system, method therefor, and computer-readable medium

#113
20160139245
2016-05-19

Sparsity-driven passive tracking of acoustic sources

#114
20160116568
2016-04-28

POSITIONING METHOD AND DEVICE

#115
20160109596
2016-04-21

Sensor receiver nulls and null steering

#116
20160109557
2016-04-21

SENSOR ARRAY MEASUREMENTS USING SELECT SENSOR PAIRS

#117
20160084937
2016-03-24

SYSTEMS AND METHODS FOR DETERMINING POSITION INFORMATION USING ACOUSTIC SENSING

#118
20150380003
2015-12-31

Mobile device indoor navigation

#119
20150331084
2015-11-19

DEVICE AND METHOD FOR MEASURING POSITION OF ELECTRONIC DEVICE

#120
20150331007
2015-11-19

Method and system for the continuous remote tracking of a pig device and detection of anomalies inside a pressurized pipeline

#121
20150177363
2015-06-25

Mobile gunshot detection

#122
20150163616
2015-06-11

Location aware self-configuring loudspeaker

#123
20150131411
2015-05-14

USE OF HYBRID TRANSDUCER ARRAY FOR SECURITY EVENT DETECTION SYSTEM

#124
20150088495
2015-03-26

Encoding apparatus and method for encoding sound code, decoding apparatus and method for decoding the sound code

#125
20150062091
2015-03-05

Acoustic position tracking system

#126
20150029825
2015-01-29

System for ultrasound localization of a tool in a workspace, corresponding method and program product

#127
20140376334
2014-12-25

ACOUSTIC MONITORING SYSTEM AND A METHOD OF ACOUSTIC MONITORING

#128
20140313858
2014-10-23

Ultrasonic location determination

#129
20140285338
2014-09-25

Mobile device indoor navigation

#130
20140239969
2014-08-28

Method of locating an event transmitting a signal

#131
20140204715
2014-07-24

Acoustic positioning system and method

#132
20140179432
2014-06-26

Interactive toys

#133
20140135077
2014-05-15

Echo cancellation for ultrasound

#134
20140112104
2014-04-24

Ultrasonic locationing using only time difference of arrival measurements

#135
20140026213
2014-01-23

Card for interaction with a computer

#136
20130329525
2013-12-12

Locationing via phase difference correlation between two frequency pulses derived from a single frequency emitter ultrasonic burst

#137
20130244531
2013-09-19

Interactive toys

#138
20130202120
2013-08-08

Methods and apparatus for acoustic event detection

#139
20130197743
2013-08-01

Positioning apparatus for excavating and similar equipment

#140
20130170320
2013-07-04

Method and system for remote sound speed measurement

#141
20130118809
2013-05-16

System and method for steering a relief well

#142
20130107668
2013-05-02

CONVOY-BASED SYSTEMS AND METHODS FOR LOCATING AN ACOUSTIC SOURCE

#143
20120327746
2012-12-27

Time difference of arrival determination with direct sound

#144
20120314542
2012-12-13

System and method for estimating projectile trajectory and source location

#145
20120300587
2012-11-29

Gunshot locating system and method

#146
20120294119
2012-11-22

DEVICE FOR DETECTING ACOUSTIC WAVES AND A SYSTEM FOR LOCATING A SOURCE OF ACOUSTIC WAVES

#147
20120275273
2012-11-01

Acoustic survey methods in weapons location systems

#148
20120275272
2012-11-01

WEARABLE SHOOTER LOCALIZATION SYSTEM

#149
20120275270
2012-11-01

Measurement of 3D coordinates of transmitter

#150
20120230153
2012-09-13

SYSTEMS AND METHODS FOR DISTRIBUTED SENSOR CLUSTERS

#151
20120226452
2012-09-06

Distributed fibre optic sensing

#152
20120214515
2012-08-23

Mobile device indoor navigation

#153
20120182837
2012-07-19

Systems and methods of locating weapon fire incidents using measurements/data from acoustic, optical, seismic, and/or other sensors

#154
20120182834
2012-07-19

WEARABLE SHOOTER LOCALIZATION SYSTEM

#155
20120177219
2012-07-12

WEARABLE SHOOTER LOCALIZATION SYSTEM

#156
20120170413
2012-07-05

HIGHLY PORTABLE SYSTEM FOR ACOUSTIC EVENT DETECTION

#157
20120083682
2012-04-05

Acoustic system for monitoring the performance of left ventricle assist devices and other mechanical devices implanted in a patient's body

#158
20120082006
2012-04-05

Self calibrating shooter estimation

#159
20120076316
2012-03-29

Microphone array system

#160
20120063270
2012-03-15

Methods and Apparatus for Event Detection and Localization Using a Plurality of Smartphones

#161
20120058705
2012-03-08

Interactive toys

#162
20120051184
2012-03-01

Method of acoustic ranging

#163
20120044786
2012-02-23

Acoustic position-determination system

#164
20110232989
2011-09-29

Estimating a sound source location using particle filtering

#165
20110182445
2011-07-28

Electronic device and method of configuring thereof

#166
20110149690
2011-06-23

Obstacle detection device

#167
20110144836
2011-06-16

Underwater investigation system providing unmanned underwater vehicle (UUV) guidance based upon updated position state estimates and related methods

#168
20110123054
2011-05-26

METHOD AND SYSTEM FOR DETERMINING RELATIVE POSITIONS OF MULTIPLE LOUDSPEAKERS IN A SPACE

#169
20110122730
2011-05-26

Apparatus and method of sniper localization

#170
20110116345
2011-05-19

Position detection system, transmission device, reception device, position detection method and position detection program

#171
20110069585
2011-03-24

Gunshot detection sensor with display

#172
20110064025
2011-03-17

Wireless position sensing in three dimensions

#173
20110057830
2011-03-10

Method for validating aircraft traffic control data

#174
20110038230
2011-02-17

Underwater acoustic positioning system

#175
20110034251
2011-02-10

Interactive toys

#176
20100322034
2010-12-23

Acoustic communication and locating devices for underground mines

#177
20100302907
2010-12-02

Method and system for remote sound speed measurement

#178
20100290316
2010-11-18

Real-time robust method for determining the trajectory of one or more cetaceans by means of passive acoustics, using a laptop computer

#179
20100278013
2010-11-04

System and method for precision acoustic event detection

#180
20100246328
2010-09-30

SECURITY EVENT DETECTION, RECOGNITION AND LOCATION SYSTEM

#181
20100226210
2010-09-09

Vigilante acoustic detection, location and response system

#182
20100214873
2010-08-26

System and method for automatic determination of the physical location of data center equipment

#183
20100214068
2010-08-26

Location detection

#184
20100198528
2010-08-05

Systems and methods for an impact location and amplitude sensor

#185
20100157738
2010-06-24

Sonic wave output device, voice communication device, sonic wave output method and program

#186
20100135119
2010-06-03

Method, apparatus or software for determining the location of an acoustic emission emitter in a structure

#187
20100102965
2010-04-29

Location system for asset or personnel tracking using multi-frequency ultrasonic transducers and goertzel filters

#188
20100061187
2010-03-11

Positioning system

#189
20090264205
2009-10-22

Interactive toys

#190
20090251996
2009-10-08

OBJECT POSITION ESTIMATION

#191
20090207694
2009-08-20

Ultrasonic in-building positioning system based on phase difference array with ranging

#192
20090204364
2009-08-13

Systems and methods for estimating distances using multi-resolution functions

#193
20090147997
2009-06-11

METHOD AND SYSTEM FOR CORRECTING DISTANCE USING LINEAR REGRESSION AND SMOOTHING IN AMBIENT INTELLIGENCE DISPLAY

#194
20090109796
2009-04-30

System and method for precision acoustic event detection

#195
20090086577
2009-04-02

Acoustic source localization system and applications of the same

#196
20090067291
2009-03-12

Computer communications using acoustic signals

#197
20090002494
2009-01-01

SYSTEM AND METHOD FOR ARCHIVING DATA FROM A SENSOR ARRAY

#198
20080298176
2008-12-04

Systems and methods of identifying/locating weapon fire using envelope detection

#199
20080267013
2008-10-30

Systems and methods of identifying/locating weapon fire including aerial deployment

#200
20080267012
2008-10-30

Systems and methods of communications for weapon detection systems

#201
20080266084
2008-10-30

Systems and methods of directing a camera to image weapon fire

#202
20080247566
2008-10-09

Sound source localization system and sound source localization method

#203
20080221793
2008-09-11

SYSTEMS AND METHODS OF TRACKING AND/OR AVOIDING HARM TO CERTAIN DEVICES OR HUMANS

#204
20080219100
2008-09-11

Systems and Methods Related to Identifying and/or Locating Weapon Fire Incidents

#205
20080192574
2008-08-14

Gunshot detection sensor with display

#206
20080173717
2008-07-24

Card for interaction with a computer

#207
20080165621
2008-07-10

Systems and methods of identifying/locating weapon fire including return fire, targeting, laser sighting, and/or guided weapon features

#208
20080165047
2008-07-10

Systems and methods of tracking and/or avoiding harm to certain devices or humans

#209
20080162089
2008-07-03

System and method for identifying a muzzle blast using a multi-sensor total energy approach

#210
20080159078
2008-07-03

Systems and methods for determining shooter locations with weak muzzle detection

#211
20080095401
2008-04-24

Ultrasonic camera tracking system and associated methods

#212
20080008044
2008-01-10

Mobile acoustic event detection, recognition and location system

#213
20070237030
2007-10-11

Systems and methods for determining shooter locations with weak muzzle detection

#214
20070237029
2007-10-11

Frequency matched relative position tracking system

#215
20070230270
2007-10-04

System and method for archiving data from a sensor array

#216
20070230269
2007-10-04

Acoustic source localization system and applications of the same

#217
20070230268
2007-10-04

System and method for determining positions of towed marine source-array elements

#218
20070171769
2007-07-26

Systems and method for compensation of sensor degradation in shooter detection systems

#219
20070160241
2007-07-12

Determination of the adequate measurement window for sound source localization in echoic environments

#220
20070104031
2007-05-10

Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor

#221
20070099630
2007-05-03

External operation signal recognition system of a mobile communication terminal

#222
20070030763
2007-02-08

System and method for disambiguating shooter locations

#223
20060291332
2006-12-28

Determination of time difference of arrival in distributed sensor networks

#224
20060280033
2006-12-14

System and method for protecting the location of an acoustic event detector

#225
20060256660
2006-11-16

Real time acoustic event location and classification system with camera display

#226
20060256659
2006-11-16

Method and apparatus for passive acoustic ranging

#227
20060245601
2006-11-02

Robust localization and tracking of simultaneously moving sound sources using beamforming and particle filtering

#228
20060161339
2006-07-20

System and method for precision acoustic event detection

#229
20060136544
2006-06-22

Computer communications using acoustic signals

#230
20060114749
2006-06-01

Gunshot detection sensor with display

#231
20060060123
2006-03-23

Method and arrangement for inspection of an object

#232
20060050610
2006-03-09

System and method for determining the location of an acoustic event

#233
20060044943
2006-03-02

System and method for disambiguating shooter locations

#234
20060044942
2006-03-02

Self-calibrating shooter estimation

#235
20060044941
2006-03-02

Compact shooter localization system and method

#236
20050237186
2005-10-27

Highly portable system for acoustic event detection

#237
20050232081
2005-10-20

Method and system for increased update rate in acoustic positioning

#238
20050080334
2005-04-14

Method and system for determining the location of a medical probe using a reference transducer array

#239
20050063252
2005-03-24

Method for the detection of damage to spacecraft caused by the impact of foreign bodies

#240
20050058023
2005-03-17

Acoustic propagation delay measurements using transmission of known broad bandwidth waveforms

#241
20050001755
2005-01-06

Externally cued aircraft warning and defense

#242
18805373
2025-04-01

Method and system for acoustic indoor positioning based on CDMA

#243
17969653
2023-06-27

Acoustic positioning system and method for smartphone and wearable device, and terminal

#244
17965648
2023-10-17

System and method for local gunshot detection and camera positioning

#245
17501093
2023-04-11

Beam rejection in multi-beam microphone systems

#246
17025441
2024-12-10

Sound source localization audio type detection

#247
16925046
2021-11-16

Beam rejection in multi-beam microphone systems

#248
16711203
2023-03-07

System and process to passively determine the 3-dimensional position, the course line and the speed of a signal source

#249
16279017
2022-06-07

Phase-based passive source location in three-dimensions

#250
16157657
2019-07-30

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