Integrated communication device with interphone and mobile phone function

Abstract

A communication device integrating talkback and mobile phone functions comprises a first switching antenna, a mobile phone radio-frequency signal receiving-transmitting module, a mobile phone baseband signal processing module, and a man-machine interface module that are sequentially connected and used for mobile phone communication, as well as a second switching antennae, a talkback radio-frequency signal module, a talkback signal demodulating module, and a talkback baseband signal processing module that are sequentially connected and used for talkback communication. The mobile phone radio-frequency signal receiving-transmitting module has a clock interface for providing reference clock to the talkback radio-frequency signal module, so that the talkback communication and the mobile phone communication can share one clock, thereby reducing manufacturing cost of a manufacturer and user's purchase cost. Meanwhile, the mobile phone baseband signal processing module performs signal input and output with the talkback baseband signal processing module through idle control interfaces and data interfaces thereof, so as to transmit audio signals and text signals for free through talkback communication, thereby reducing user's service cost.

Description

Technical field [0001] The invention relates to an integrated communication device, in particular to an integrated communication device with intercom and mobile phone functions. Background technique [0002] The mobile phone and walkie-talkie systems are two different wireless communication systems based on different standards. The communication between mobile phone users needs to go through the base station, and the setting of the base station requires corresponding construction costs. Therefore, based on the consideration of profit, the communication service operation Businesses often only set up base stations in user gathering areas, and in order to provide communication services, operators also need to obtain spectrum use licenses from relevant departments. Therefore, mobile phone users will inevitably need to use the services provided by operators Pay the corresponding fee, and at the same time in the area without base station or base station service coverage area, mobile ph...

AI Technical Summary

Problems solved by technology

Therefore, for many people who use both mobile phone communication and walkie-talkie communication, they often need to carry two devices, and the operations of the two devices are often different. interference and cannot quickly adapt to the operation mode of the walkie-talkie, resulting in certain troubles for users

[0003] At present, various manufacturers have also developed various types of intercom phones, which use mobile phones with corresponding functions as intercoms (so-called push-to-talk). Or group calls, however, when this kind of intercom mobile phone is used as a walkie-talkie, the communication between users still needs to rely on the mobile network, rather than point-to-point direct communication in the traditional sense

In addition, my country's utility model patent No. 200420071004.0 describes a multifunctional mobile phone that combines the intercom function and the mobile phone function. It can send and receive audio signals, but has not effectively developed the functions of the mobile phone CPU, which makes it difficult for users to enjoy free text messages, and also wastes the powerful processing capacity of the mobile phone CPU

Furthermore, the radio frequency signal transceiver module of the mobile phone has a reference clock different from that of the radio frequency signal transceiver module of the intercom, and the control interface and data interface of the baseband signal processing module of the mobile phone are different from the baseband signal processing module of the intercom. Manufacturing costs and purchase costs for users

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