ClassID:

172268

G01S3/023 - 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 radio waves Monitoring or calibrating

Sub-classes:
Recent Application in this class:
#1
20250341604
2025-11-06

COMPRESSIVE SENSING CORRELATION INTERFEROMETER DIRECTION FINDING

#2
20250324215
2025-10-16

MEDIA PLAYBACK BASED ON SENSOR DATA

#3
20250168586
2025-05-22

MEDIA PLAYBACK BASED ON SENSOR DATA

#4
20250168585
2025-05-22

MEDIA PLAYBACK BASED ON SENSOR DATA

#5
20250168584
2025-05-22

MEDIA PLAYBACK BASED ON SENSOR DATA

#6
20250102612
2025-03-27

Automated AoX Test System

#7
20250012886
2025-01-09

Electronic Device Having Angle of Arrival Detection Capabilities

#8
20240364599
2024-10-31

DASHBOARDS FOR P2P MESH NETWORKS TO FACILITATE DEVICE MANAGEMENT

#9
20240329179
2024-10-03

TRACKING RECEIVER WITH INTEGRATED PHASE CALIBRATION AND METHOD

#10
20240214764
2024-06-27

MEDIA PLAYBACK BASED ON SENSOR DATA

#11
20240187812
2024-06-06

MEDIA PLAYBACK BASED ON SENSOR DATA

#12
20240175962
2024-05-30

ELECTRONIC DEVICE FOR DETERMINING ANGLE-OF-ARRIVAL OF SIGNAL, AND METHOD FOR OPERATING ELECTRONIC DEVICE

#13
20240168147
2024-05-23

METHOD AND APPARATUS FOR DETERMINING LOCATION USING PHASE DIFFERENCE OF ARRIVAL

#14
20240019527
2024-01-18

METHOD AND APPARATUS THAT USES A TRANSMISSION FROM A SINGLE TRANSMITTER FOR RECEIVER POSITIONING

#15
20230413006
2023-12-21

MEDIA PLAYBACK BASED ON SENSOR DATA

#16
20230362576
2023-11-09

MEDIA PLAYBACK BASED ON SENSOR DATA

#17
20230341497
2023-10-26

High speed correlation direction finding

#18
20230269555
2023-08-24

Media playback based on sensor data

#19
20230269554
2023-08-24

Media playback based on sensor data

#20
20230262408
2023-08-17

MEDIA PLAYBACK BASED ON SENSOR DATA

#21
20230239648
2023-07-27

Media playback based on sensor data

#22
20230239647
2023-07-27

MEDIA PLAYBACK BASED ON SENSOR DATA

#23
20230209296
2023-06-29

Media playback based on sensor data

#24
20230160991
2023-05-25

Method for jointly estimating gain-phase error and direction of arrival (DOA) based on unmanned aerial vehicle (UAV) array

#25
20230134329
2023-05-04

Method for angle of arrival estimation in an impulse-radio ultra-wideband communications system

#26
20230113592
2023-04-13

Radio direction finding method and system

#27
20230113476
2023-04-13

Method for calibrating an airborne goniometry apparatus for low frequencies

#28
20230098983
2023-03-30

Tracking receiver with integrated phase calibration and method

#29
20220334237
2022-10-20

Method and apparatus for determining location using phase difference of arrival

#30
20220303708
2022-09-22

Media playback based on sensor data

#31
20220244339
2022-08-04

Control device and storage medium

#32
20220240041
2022-07-28

Media playback based on sensor data

#33
20220147048
2022-05-12

Method for locating a mobile target in an automated warehouse

#34
20220043104
2022-02-10

Apparatus, method and computer program for a mobile transceiver and for a base station transceiver

#35
20210396830
2021-12-23

Systems and methods for multiantenna orientation and direction detection

#36
20210377689
2021-12-02

Playback based on user presence detection

#37
20210364591
2021-11-25

High-resolution, accurate, two-dimensional direction-of-arrival estimation method based on coarray tensor spatial spectrum searching with co-prime planar array

#38
20210351494
2021-11-11

Electronic device having angle of arrival detection capabilities

#39
20210321215
2021-10-14

Playback based on acoustic signals

#40
20210263124
2021-08-26

WIRELESS ACCESS CONTROL SYSTEM

#41
20210255274
2021-08-19

Communication device and control method

#42
20210211824
2021-07-08

Media playback based on sensor data

#43
20210141046
2021-05-13

Tracking receiver with integrated phase calibration and method

#44
20210084431
2021-03-18

Playback based on acoustic signals

#45
20210044914
2021-02-11

Grouping based on acoustic signals

#46
20210003656
2021-01-07

Wideband acoustic positioning with precision calibration and joint parameter estimation

#47
20200371188
2020-11-26

Method for connecting to network, non-transitory storage medium, and electronic device

#48
20200264257
2020-08-20

System and method for determining angle of arrival for communications

#49
20200264256
2020-08-20

System and method for determining angle of arrival for communications

#50
20200182957
2020-06-11

Method for establishing the presence of a misalignment of at least one sensor within a sensor group

#51
20200166598
2020-05-28

Method, device, arrangement and software for determining the angle of arrival (AOA) for locating objects

#52
20200096594
2020-03-26

Unmanned arial vehicle recovery mechanism

#53
20200053504
2020-02-13

Playback based on user settings

#54
20190355260
2019-11-21

Method for measuring, in line operation, certain characteristics of the onboard transponder by using the secondary radar

#55
20190331800
2019-10-31

System for testing the accuracy of the automatic positioning means of a signal tracking antenna

#56
20190331783
2019-10-31

Method and apparatus for determining location using phase difference of arrival

#57
20190331782
2019-10-31

METHOD AND APPARATUS FOR DETERMINING LOCATION USING PHASE DIFFERENCE OF ARRIVAL

#58
20190331781
2019-10-31

METHOD AND APPARATUS FOR DETERMINING LOCATION USING PHASE DIFFERENCE OF ARRIVAL

#59
20190331780
2019-10-31

Method and apparatus for determining location using phase difference of arrival

#60
20190280724
2019-09-12

Electromagnetic vector sensor noise mitigation

#61
20190219664
2019-07-18

System and method for range and angle determination to an array of radio receivers

#62
20190195978
2019-06-27

Geolocation calibration for calibrating radio direction finding system by remote control

#63
20190187234
2019-06-20

System and method for detecting fake information about vehicle location

#64
20190181561
2019-06-13

Phased array antenna system including a modular control and monitoring architecture

#65
20190170846
2019-06-06

Tracking receiver with integrated phase calibration and method

#66
20190078893
2019-03-14

Systems and methods for determining position of an object relative to a vehicle

#67
20190033420
2019-01-31

Systems and methods for multiantenna orientation and direction detection

#68
20180331718
2018-11-15

CARRIER RECOVERY FOR USE IN AN ULTRA-WIDEBAND COMMUNICATION SYSTEM

#69
20180267088
2018-09-20

Method for determining features of an electromagnetic wave

#70
20180138941
2018-05-17

Timing recovery for use in an ultra-wideband communication system

#71
20180113194
2018-04-26

Systems and methods for antenna analysis and validation

#72
20170371031
2017-12-28

Method for measuring a direction of incidence of an incident wave for an instantaneous wideband receiver and associated receiver

#73
20170299685
2017-10-19

DISTRIBUTED ANTENNA ARRAY SYSTEMS AND METHODS

#74
20170234961
2017-08-17

Ranging and angle of arrival antenna system for a mobile robot

#75
20170212205
2017-07-27

Angle of arrival estimation

#76
20170131380
2017-05-11

TRANSMITTER CAPABILITIES FOR ANGLE OF DEPARTURE

#77
20170104268
2017-04-13

Phased array antenna system including a modular control and monitoring architecture

#78
20170094626
2017-03-30

Measuring device and measuring method for systematic error detection

#79
20170090016
2017-03-30

Method for joint antenna-array calibration and direction of arrival estimation for automotive applications

#80
20170085293
2017-03-23

Measuring angle of incidence in an ultrawideband communication system

#81
20160353224
2016-12-01

Playback based on number of listeners

#82
20160345286
2016-11-24

Apparatus and method for calibrating a wireless access point comprising an array of multiple antennas

#83
20160277861
2016-09-22

Playback based on wireless signal

#84
20160259030
2016-09-08

METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR CALIBRATION OF ANTENNA ARRAY

#85
20160061928
2016-03-03

System and method for locating a point in space

#86
20150264508
2015-09-17

Sound field calibration using listener localization

#87
20140229039
2014-08-14

Methods and apparatus to mitigate instrument landing system overflight interference

#88
20140210669
2014-07-31

Systems and methods for improving bearing availability and accuracy for a tracking filter

#89
20140159954
2014-06-12

Direction finding using antenna array rotation

#90
20140104092
2014-04-17

Radiation signal measurement system for millimeter wave transceivers

#91
20140002296
2014-01-02

On-board radar apparatus, object detection method, and object detection program

#92
20130170647
2013-07-04

Sound field calibration using listener localization

#93
20130162481
2013-06-27

SYSTEMS AND METHODS FOR CALIBRATION OF INDOOR GEOLOCATION

#94
20130154887
2013-06-20

ANTENNA TESTING ENCLOSURES AND METHODS FOR TESTING ANTENNA SYSTEMS THEREWITH

#95
20130016011
2013-01-17

System and method for locating a point in space

#96
20120223856
2012-09-06

Electromagnetic emitter emitting simultaneously along three orthogonal axes to detect object position and orientation

#97
20120163206
2012-06-28

Method and apparatus for analysis of user traffic within a predefined area

#98
20120127046
2012-05-24

Method for estimating the polarization ellipticity of an antenna response signal to an incident electromagnetic wave

#99
20120086605
2012-04-12

Method of determining the direction of arrival of a high-frequency electromagnetic wave

#100
20120068877
2012-03-22

Systems and methods of providing a TCAS primary radar

#101
20120039599
2012-02-16

METHOD AND SYSTEM FOR TRACKING TWO COMMUNICATIONS PARTICIPANTS OF AN OPTICAL SATELLITE COMMUNICATIONS SYSTEM

#102
20120033761
2012-02-09

Hybrid adaptive antenna array

#103
20120026042
2012-02-02

Near-vertical direction finding and geolocation system

#104
20120013502
2012-01-19

System and method for phase retrieval for radio telescope and antenna control

#105
20110267216
2011-11-03

Systems and methods for providing antenna calibration

#106
20100321244
2010-12-23

Tracking of emergency personnel

#107
20100277363
2010-11-04

User-executable antenna array calibration

#108
20100259439
2010-10-14

System and method for generating a reference signal for phase calibration of a system

#109
20100250138
2010-09-30

Methods and systems of determining bearing when ADS-B data is unavailable

#110
20090154621
2009-06-18

MIMO-adapted distributed antenna system

#111
20090054080
2009-02-26

Method for verifying plotting results

#112
20080192855
2008-08-14

MIMO-adapted distributed antenna system

#113
20080191941
2008-08-14

INDOOR LOCATION DETERMINATION

#114
20080150804
2008-06-26

Performance and power management in direction of arrival determination by utilizing sensor information

#115
20080120032
2008-05-22

Methods and systems of determining bearing when ADS-B data is unavailable

#116
20080111759
2008-05-15

Antenna Arrangement

#117
20080068265
2008-03-20

Performance and power management in direction of arrival determination by utilizing sensor information

#118
20080039028
2008-02-14

Information processing apparatus and method, program and recording medium

#119
20070241949
2007-10-18

Digitizer arrangement

#120
20070222672
2007-09-27

Method for Processing Signals in a Direction-Finding System

#121
20070200760
2007-08-30

Method and arrangement for determining the spatial frequency of a signal

#122
20070191999
2007-08-16

System and method for calibrating on-board aviation equipment

#123
20070178911
2007-08-02

Automatic generation of signal strength map for location determination of mobile devices

#124
20060238413
2006-10-26

Method and system for calibration of a radio direction finder

#125
20060114147
2006-06-01

Calibration method, device and computer program

#126
20060012518
2006-01-19

Method for enhancing the measuring accuracy in an antenna array

#127
20060009909
2006-01-12

Systems and methods for determining bearing

#128
20050156777
2005-07-21

Integrated traffic surveillance apparatus

#129
20050007274
2005-01-13

Method and apparatus for correction of quantization-induced beacon beam errors

#130
18510832
2024-07-23

Method, system, and intelligent terminal for one-bit quantization direction of arrival estimation

#131
17848778
2023-10-24

Boresight method with various methods

#132
16419312
2020-03-31

Selecting optimal directional antenna orientation

#133
15676505
2018-08-21

Method and system for updating configuration record of base station antenna

#134
15671377
2018-07-24

Calibration method of sensor of a satellite antenna

#135
15173025
2019-01-22

Boresight method

#136
15092733
2019-07-23

Directional antenna orientation optimization

#137
14693280
2016-12-27

System and method for detecting and defeating a drone

#138
13751385
2015-10-27

Aligning a radio frequency antenna bore sight

#139
13425956
2015-04-28

Tri-fin TCAS antenna