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Inventor
Zhao li-cheng
CN
2 patents
Patents
2 patents
US9615219B2
Apr 4, 2017
Method and apparatus for operating a portable radio communication device in a dual-watch mode
MOTOROLA SOLUTIONS INC
0 citations
39
US10014839B2
Jul 3, 2018
Methods and systems for intelligent dual-channel volume adjustment
MOTOROLA SOLUTIONS INC
0 citations
26