Invention Grant
- Patent Title: Microphone expansion unit for teleconference phone calls
- Patent Title (中): 麦克风扩展单元,用于电话会议电话
-
Application No.: US11844686Application Date: 2007-08-24
-
Publication No.: US08483099B2Publication Date: 2013-07-09
- Inventor: Dwayne R. James , William G. O'Farrell , Arthur G. Ryman
- Applicant: Dwayne R. James , William G. O'Farrell , Arthur G. Ryman
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Cantor Colburn LLP
- Agent Libby Toub
- Main IPC: H04L12/16
- IPC: H04L12/16

Abstract:
A portable teleconference phone system includes a plurality of portable computers each having a microphone disposed therein, the microphone configured to receive a plurality of analog audio signals from a plurality of users at a first location, the analog audio signals being converted into one of a plurality of digital audio signals at the portable computers; and a portable teleconference unit located at the first location configured to receive the digital audio signals from the portable computers over a wireless link using a Bluetooth communication protocol, the portable teleconference unit configured to multiplex the digital audio signals into a single digital audio signal, convert the single digital audio signal into a single analog audio signal representative of the analog audio signals, and send the single analog audio signal over a communication wire to a remote communication device operated by a plurality of users at a second location forming a teleconference.
Public/Granted literature
- US20090052351A1 MICROPHONE EXPANSION UNIT FOR TELECONFERENCE PHONE CALLS Public/Granted day:2009-02-26
Information query