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Patents Grants
last 30 patents
Information
Patent Grant
Method for measuring angular velocity and angular acceleration base...
Patent number
11,816,844
Issue date
Nov 14, 2023
GUIZHOU UNIVERSITY
Ming Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Six-degree-of-freedom measurement method by machine vision based on...
Patent number
11,788,831
Issue date
Oct 17, 2023
National Institute of Metrology, China
Chenguang Cai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for calibrating linear vibration and angular vibration based...
Patent number
11,754,595
Issue date
Sep 12, 2023
National Institute of Metrology, China
Chenguang Cai
G01 - MEASURING TESTING
Information
Patent Grant
Method for calibrating phase-frequency characteristic of low freque...
Patent number
11,067,596
Issue date
Jul 20, 2021
National Institute of Metrology
Chenguang Cai
G01 - MEASURING TESTING
Information
Patent Grant
Method for performing ADC phase-frequency response test
Patent number
10,090,849
Issue date
Oct 2, 2018
Chenguang Cai
G01 - MEASURING TESTING
Information
Patent Grant
Multi-directivity sound device
Patent number
9,451,356
Issue date
Sep 20, 2016
Nokia Technologies Oy
Liangfeng Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus, methods and computer programs for configuring output of...
Patent number
9,201,255
Issue date
Dec 1, 2015
Nokia Technologies Oy
Liangfeng Xu
G02 - OPTICS
Information
Patent Grant
Dual-mode loudspeaker
Patent number
8,116,508
Issue date
Feb 14, 2012
Nokia Corporation
Liangfeng Leon Xu
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MEASURING ANGULAR VELOCITY AND ANGULAR ACCELERATION BASE...
Publication number
20220114737
Publication date
Apr 14, 2022
Guizhou University
Ming YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR CALIBRATING LINEAR VIBRATION AND ANGULAR VIBRATION BASED...
Publication number
20220113333
Publication date
Apr 14, 2022
NATIONAL INSTITUTE OF METROLOGY, CHINA
Chenguang CAI
G01 - MEASURING TESTING
Information
Patent Application
MONOCULAR VISION-BASED METHOD FOR MEASURING DISPLACEMENT AND TRAJEC...
Publication number
20220044422
Publication date
Feb 10, 2022
Guizhou University
Ming YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SIX-DEGREE-OF-FREEDOM MEASUREMENT METHOD BY MACHINE VISION BASED ON...
Publication number
20220042786
Publication date
Feb 10, 2022
NATIONAL INSTITUTE OF METROLOGY, CHINA
Chenguang CAI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR CALIBRATING PHASE-FREQUENCY CHARACTERISTIC OF LOW FREQUE...
Publication number
20210109125
Publication date
Apr 15, 2021
NATIONAL INSTITUTE OF METROLOGY, CHINA
Chenguang CAI
G01 - MEASURING TESTING
Information
Patent Application
Apparatus, Methods and Computer Programs for configuring Output of...
Publication number
20130057790
Publication date
Mar 7, 2013
Nokia Corporation
Liangfeng Xu
G02 - OPTICS
Information
Patent Application
Multi-directivity sound device
Publication number
20100158287
Publication date
Jun 24, 2010
Nokia Corporation
Liangfeng Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RESISTIVE MULTI TOUCH SCREEN
Publication number
20100141604
Publication date
Jun 10, 2010
Nokia Corporation
Chenguang Cai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Dual-mode loudspeaker
Publication number
20100080409
Publication date
Apr 1, 2010
Nokia Corporation
Liangfeng Leon Xu
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL