公开(公告)号：US09615219B2

公开(公告)日：2017-04-04

申请号：US14890401

申请日：2013-05-29

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： Hui-Min Han ,  Meng-Ke Duan ,  Hai-Qing Hu ,  Han Xiao ,  Li-Cheng Zhao

IPC: H04B1/38 ,  H04W4/10 ,  H04W4/00 ,  G10L15/26 ,  H04W4/02 ,  H04W76/00 ,  H04B1/403 ,  H04W88/06

CPC classification number: H04W4/10 ,  G10L15/26 ,  H04B1/406 ,  H04W4/027 ,  H04W4/80 ,  H04W76/45 ,  H04W88/06

Abstract: A method and apparatus for operating a portable radio communication device is provided. The portable radio communication device receives communications on a primary channel and a secondary channel during a dual-watch mode of operation. The portable radio communication device determines whether the portable radio communication device is proximate to a subject. The portable radio communication device suppresses audio from communications of one of the two channels and plays audio from communications of the other channel when the portable communication device is proximate to the subject. Additionally, the portable radio communication device allows transmission to occur only over the channel in which communication is not suppressed when the portable communication device is proximate to the subject.

公开(公告)号：US10014839B2

公开(公告)日：2018-07-03

申请号：US15506796

申请日：2014-10-06

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： Wei Chu ,  Hui-Min Han ,  De-Ting Kong ,  Jian-Hai Qi ,  Li-Cheng Zhao

IPC: H03G3/30 ,  H03G3/10 ,  H04B1/50

CPC classification number: H03G3/3005 ,  H03G3/10 ,  H04B1/50

Abstract: Disclosed herein are methods and systems for intelligent dual-channel volume adjustment. One embodiment takes the form of a dual-watch mobile radio that includes a first receiver, a second receiver, an audio output port, a one-dimensional (1-D) volume control, and a controller programmed to carry out a set of functions. The set of functions includes receiving first and second audio signals from the first and second receivers, respectively, and generating first and second amplified audio signals at least in part by applying first and second signal gains to the first and second audio signals, respectively, as well as outputting the first and second amplified audio signals via the audio output port. The set of functions also includes receiving volume-control commands from the 1-D volume control, and responsively adjusting the first and second signal gains at least in part by applying a gain function to the first and second signal gains.