Portable device for communication among multiple parties

A portable device and multi-party call technology, which is applied in the direction of selection device, telephone communication, subscriber special service, etc., can solve the problems of user inconvenience, high cost, long telephone connection time, etc., and achieve reduction of call cost, short connection time, The effect of exempting password authentication
CN100334909CActive Publication Date: 2007-08-29LENOVO (BEIJING) LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LENOVO (BEIJING) LTD
Publication Date
2007-08-29

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Abstract

The invention consists of: multi communication link modules used to implement communication between multi communication terminals, each communication link module includes an RF module and a base band module; an audio input and output module connecting to multi communication link module and base band module; audio link unit used to build multi audio link between multi communication link and base band module. The RF module above receives external audio signal and retransmits it to all base band module in communication link module through audio link unit. The audio signal is sent out through relevant RF module.
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Description

technical field

[0001] The invention relates to the field of mobile communication, in particular to a portable device with multi-party communication. Background technique

[0002] Portable devices such as mobile phones provide convenience for people's instant communication. Existing mobile phones usually include a communication link module for transmitting and receiving signals, a microphone for receiving voice signals transmitted by the user to the mobile phone, and a microphone for sending voice signals to the user. The speaker that sends the voice. The current mobile phone achieves voice communication between a mobile phone user and another phone user through a communication link module, a microphone and a loudspeaker. However, modern society has more and more requirements for communication, and there are more and more demands for three-party and more than three-party communication. Although the existing mobile phones support the call hold function, because the existing ...

Claims

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