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Details
Inventors: McKinney, John; Avanic, Branko L.; Dang, Hiep T.; Medvid, Joseph J.; Phang, Wayne M.;
Assignee: Motorola, Inc. (Schaumburg, IL)
Primary Examiner: Appiah; Charles
Assistant Examiner: Doan; Phuoc
Attorney, Agent or Firm:

A communication device (105) includes a first communication block (205) for operation within a first communication network (150); and a second communication block (210) for operation within a second communication network (160). The communication device (105) further includes an audio control (245) for at least one microphone (250). The audio control (245) is coupled to the first communication block (205) for receiving a first audio input for operation of the first communication block (205) and is coupled to the second communication block (210) for receiving a second audio input for operation of the second communication block (210). A low noise ground (315) is isolated from a common ground (320) of the communication device (105) to facilitate the sharing of the at least one microphone (250) between the two communication blocks.

DETAILED DESCRIPTION As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be embodied in various forms.
Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.
Further, the terms and phrases used herein are not intended to be limiting; but rather, to provide an understandable description of the invention.
The terms a or an, as used herein, are defined as one or more than one.
The term plurality, as used herein, is defined as two or more than two.
The term another, as used herein, is defined as at least a second or more.
The terms including and/or having, as used herein, are defined as comprising (i.
e.
, open language).
The term coupled, as used herein, is defined as connected, although not necessarily directly, and not necessarily mechanically.
The terms program, software application, and the like as used herein, are defined as a sequence of instructions designed for execution on a computer system.
A program, computer program, or software application may include a subroutine, a function, a procedure, an object method, an object implementation, an executable application, an applet, a servlet, a source code, an object code, a shared library/dynamic load library and/or other sequence of instructions designed for execution on a computer system.
FIG.
1 is a block diagram of a system 100 having one or more communication devices which operate within more than one communication network.
A communication device 105 within the system 100 has the capability to communicate within more than one communication network such as a first communication network 150 and a second communication network 160.
It will be appreciated by those of ordinary skill in the art that each of the first communication network 150 and the second communication network 160 can be a cellular telephone network, a cordless telephone network, a wireless local area network, a two way radio network and the like



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