ClassID:

172255

G01S1/76 - CPC Classification

Classification description:

Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves Systems for determining direction or position line

Sub-classes:
Recent Application in this class:
#1
20250231269
2025-07-17

INDOOR LOCATION POSITION SYSTEM AND METHOD

#2
20250044394
2025-02-06

INTERFERENCE AREA INFORMATION OUTPUT APPARATUS, INTERFERENCE AREA INFORMATION OUTPUT SYSTEM, INTERFERENCE AREA INFORMATION OUTPUT METHOD, AND RECORDING MEDIUM

#3
20230319523
2023-10-05

Location determination system having mesh infrastructure to reduce power consumption

#4
20220144395
2022-05-12

Unmanned underwater vehicle (UUV) based underwater communications network including short-range navigation device and related methods

#5
20220082650
2022-03-17

Indoor location position system and method

#6
20210141045
2021-05-13

FPGA-based real-time processing system and method applied to underwater acoustic positioning and realizing reconfigurability and multiple output

#7
20210058750
2021-02-25

Location determination system having mesh infrastructure to reduce power consumption

#8
20200049788
2020-02-13

Device, system, and method for controlling the focus of a laser to induce plasmas that emit signals with high directivity

#9
20190064317
2019-02-28

Location system using ultrasound

#10
20180365981
2018-12-20

INFORMATION PROVISION APPARATUS AND INFORMATION PROVISION SYSTEM

#11
20180329025
2018-11-15

Ultrasonic locationing system using a doubly symmetrical transmission sequence

#12
20180120128
2018-05-03

METHOD AND STRUCTURE FOR POSITION DETECTION

#13
20170278326
2017-09-28

Driver indentification using vehicle approach vectors

#14
20160124081
2016-05-05

METROLOGY METHOD AND DEVICE FOR CALIBRATING THE GEOMETRY OF A NETWORK OF UNDERWATER ACOUSTIC BEACONS

#15
20150268327
2015-09-24

Ultrasound-based localization of client devices with inertial navigation supplement in distributed communication systems and related devices and methods

#16
20150117154
2015-04-30

APPARATUS FOR TRANSMITTING POSITIONING SIGNAL AND METHOD FOR INDOOR POSITIONING USING THE SAME

#17
20140025805
2014-01-23

Home network of connected consumer devices

#18
20140022061
2014-01-23

HOME NETWORK OF CONNECTED CONSUMER DEVICES

#19
20130322213
2013-12-05

Acoustic absolute position encoder and method

#20
20120185525
2012-07-19

Filtering discrete time signals using a notch filter

#21
20050099890
2005-05-12

Guided underwater object

#22
20050003774
2005-01-06

Synchronization of optical signaling beacons

#23
16423328
2020-04-28

Systems and methods for locating a mobile phone in a vehicle