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CHENGDU, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for reusing channel frequencies in direct mode
Patent number
9,967,908
Issue date
May 8, 2018
MOTOROLA SOLUTIONS, INC.
Quan-Wen Du
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for incorporating multiple talk groups in a si...
Patent number
9,654,939
Issue date
May 16, 2017
MOTOROLA SOLUTIONS, INC.
Quan-Wen Du
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distance measuring apparatus and distance measuring method
Patent number
9,519,053
Issue date
Dec 13, 2016
JOY TECHNOLOGY(SHEN ZHEN)CO., LTD
Yu-Zheng Zheng
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS AND METHOD FOR INCORPORATING MULTIPLE TALK GROUPS IN A SI...
Publication number
20160286364
Publication date
Sep 29, 2016
MOTOROLA SOLUTIONS, INC.
QUAN-WEN DU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR REUSING CHANNEL FREQUENCIES IN DIRECT MODE
Publication number
20160150579
Publication date
May 26, 2016
MOTOROLA SOLOUTIONS, INC.
Quan-Wen Du
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISTANCE MEASURING APPARATUS AND DISTANCE MEASURING METHOD
Publication number
20150276924
Publication date
Oct 1, 2015
JOY TECHNOLOGY(SHEN ZHEN)CO., LTD
Yu-Zheng ZHENG
G01 - MEASURING TESTING
Information
Patent Application
Device for Monitoring and Recording Driver's Operations and the Per...
Publication number
20090240394
Publication date
Sep 24, 2009
SOUTHWEST JIAOTONG UNIVERSITY
Dake He
B60 - VEHICLES IN GENERAL