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Patents Grants
last 30 patents
Information
Patent Grant
Test method and system for PLC security defense device
Patent number
10,356,118
Issue date
Jul 16, 2019
Lun Xie
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Filter circuit in radio frequency power detection circuit
Patent number
10,263,593
Issue date
Apr 16, 2019
Beijing BBEF Science & Technology Co.,Ltd.
Liang Zhao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power-adjustable radio frequency output circuit
Patent number
10,014,827
Issue date
Jul 3, 2018
Beijing BBEF Science & Technology Co., Ltd.
Xuewen Liu
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Filter circuit in radio frequency power detection circuit
Publication number
20170353172
Publication date
Dec 7, 2017
Beijing BBEF Science & Technology Co., Ltd.
Liang Zhao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Power-adjustable radio frequency output circuit
Publication number
20170244364
Publication date
Aug 24, 2017
Beijing BBEF Science & Technology Co.,Ltd.
Xuewen Liu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TEST METHOD AND SYSTEM FOR PLC SECURITY DEFENSE DEVICE
Publication number
20170013009
Publication date
Jan 12, 2017
University of Science and Technology Beijing
Lun Xie
H04 - ELECTRIC COMMUNICATION TECHNIQUE