CN1848987A - Double-standard mobile communication terminal - Google Patents
Double-standard mobile communication terminal Download PDFInfo
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- CN1848987A CN1848987A CNA2006100662869A CN200610066286A CN1848987A CN 1848987 A CN1848987 A CN 1848987A CN A2006100662869 A CNA2006100662869 A CN A2006100662869A CN 200610066286 A CN200610066286 A CN 200610066286A CN 1848987 A CN1848987 A CN 1848987A
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Abstract
A mobile communication terminal of two system type consists of control module with network telephone function module, digital signal processor, storage module, SIM card interface, user control unit, A/D converter, D/A converter, digital modulation/demodulation module, radio frequency transceiving module, audio input and output module, radio USB interface module connected with control module and used for transmitting radio data to external device, path selecting module controlled by control module and used for connecting either A/D converter or D/A converter to digital signal processor or radio USB interface module.
Description
[affiliated technical field]
The present invention relates to a kind of mobile communication terminal of double-standard, be particularly related to a kind of conversation that both can set up based on wireless wide area network and connect, can also utilize the mobile communication terminal of the double-standard of the conversation connection of setting up Wireless USB interface module and being connected of external equipment IP based network.
[background technology]
Along with the development of computer network communication technology, Internet Protocol telephone has had the trend that progressively replaces black phone, and it is that (Internet Protocol IP) carries out that voice transmit by internet protocol.Black phone transmits signal with simulated mode, and voice can be converted to analog signal earlier, by copper cable sound are sent to the other side.The networking telephone then is that sound is converted to data-signal by gateway (gateway), and be compressed into packet (packet), just send out then, when receiving terminal is received packet from the Internet, gateway can decompress it, changes into sound again and listens to the opposing party.The networking telephone utilizes ICP/IP protocol, by specific software the speech of calling party is changed into digital signal, packing then, form the packet of a lot of small data quantities, this packet is freely sought the network free space, voice data transmission to the other side, after the other side's Special Equipment or software receive packet, is reduced the speech data in the packet.
Having disclosed a kind of USB of utilization cable in the prior art is connected with computer, thereby the technology that dials network telephone, see also Chinese patent application number: 200320118813.8, the applying date: on December 3rd, 2003, denomination of invention: a kind of network communication terminal, the network communication terminal of this patent is connected by the USB cable with computer terminal, thereby dial or receive IP phone by computer terminal, the shortcoming of this patent is: this network communication terminal applies scope is less, manufacturing cost is higher, and carries out transfer of data by the USB cable and caused the inconvenience of using.
In addition, please refer to document " Wireless Universal Serial BusSpecification ", be published on May 12nd, 2005, it has disclosed the Wireless USB technology of utilizing a kind of wirelessly transmitting data, can be implemented between wireless USB apparatus within three meters of the distances its message transmission rate can reach 480,000,000/second, in ten meters of equipment room distances its message transmission rate can reach 110,000,000/second.
[summary of the invention]
The object of the present invention is to provide a kind of double-standard mobile communication terminal of new structure, technical problem to be solved is that its conversation that not only can set up wireless wide area network is connected, and can realize dialing or receive the networking telephone, thereby be suitable for practicality more by Wireless USB interface module and the transfer of data that can set up the external equipment that the networking telephone is connected.
The object of the present invention is to provide a kind of double-standard mobile communication terminal, technical problem to be solved is to make it can set up sound, video calling connection, thereby is suitable for practicality more.
The object of the present invention is to provide a kind of double-standard mobile communication terminal, technical problem to be solved is that it can be connected and switching between the networking telephone of realizing by external equipment is connected in the conversation of wireless wide area network, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of double-standard mobile communication terminal that the utility model proposes, comprise the mobile phone portion that can be used in wireless wide area network, this mobile phone portion comprises: the digital signal processor that is connected with control module, memory module, SIM card interface, user control unit respectively; The A/D converter that is connected with digital signal processor, D/A converter, digital modulation and demodulation module; The radio-frequency (RF) receiving and transmission module that is connected with the digital modulation and demodulation module; And the audio frequency input part and the audio output part that are connected with D/A converter with A/D converter respectively, in addition, double-standard mobile communication terminal of the present invention also comprises: the Wireless USB interface module, be connected with control module, and carry out wireless data transmission with external equipment; The path selected cell, with control module, the Wireless USB interface module, digital signal processor, A/D converter is connected with D/A converter, control by control module, to select one mode A/D converter and D/A converter and digital signal processor or Wireless USB interface module are connected, above-mentioned control module comprises the function of network phone module, whether it sends external equipment by the Wireless USB interface module to external equipment can set up the use request signal that the networking telephone that interrogation signal that the networking telephone connects and request start external equipment is dialed software, and the networking telephone data that mobile communication terminal is exported are added can make external equipment that it is identified as the information code of networking telephone data.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid double-standard mobile communication terminal, wherein said user control unit comprises a switch key, converse when being connected by IP based network or wireless wide area network with the conversation opposite end at mobile communication terminal, the control access selected cell will converse to connect and switch to the connection that another kind is conversed connected mode.
Aforesaid double-standard mobile communication terminal, wherein said function of network phone module sends information to display screen or audio output part and connects to notify the user can set up the networking telephone behind the answer signal that the networking telephone set up that receives the external equipment transmission by the Wireless USB interface module connects.
Aforesaid double-standard mobile communication terminal, wherein said can to set up external equipment that the conversation of IP based network is connected with the conversation opposite end be computer, PDA for linking to each other with gateway.
Aforesaid double-standard mobile communication terminal, wherein said control module are microprocessor or microcontroller; Described digital modulation and demodulation module comprises gauss low frequency filter and frequency modulation voltage controlled oscillator.
Aforesaid double-standard mobile communication terminal, it also comprises information table, this information table is set up corresponding relation with the telephone number and the user-defined contact object title of contact object in wireless wide area network.
Aforesaid double-standard mobile communication terminal, it also comprises information table, this information table is set up corresponding relation with the identification number and the user-defined contact object title of contact object end on IP network.
Aforesaid double-standard mobile communication terminal, it also comprises information table, this information table is set up corresponding relation with the contact object end at the identification number on the IP network, user-defined contact object title, the telephone number of contact object in wireless wide area network, when mobile communication terminal was switched between the conversation based on utilization of the voice of wireless wide area network and IP based network connects, control module can be obtained corresponding contact number.
Aforesaid double-standard mobile communication terminal, wherein said information table can be stored in memory module or with SIM card that the SIM card interface is connected in, and can carry out interpolation, modification, the deletion of information table by user's control.
Aforesaid double-standard mobile communication terminal, it also comprises video encoding module and imageing sensor, the optical imagery that imageing sensor will obtain from the external world changes into digital signal, video encoding module is link control module and imageing sensor simultaneously, is used for sending the Wireless USB interface module to after the digital video signal coding of imageing sensor output, the compression.
Aforesaid double-standard mobile communication terminal, it also comprises display screen and display controller, and display controller is link control module and display screen simultaneously, is used for the work of control display screen, the decoding video signal that will receive through Wireless USB, and send it in the display screen and show.
Aforesaid double-standard mobile communication terminal, wherein said display controller is connected with the path selected cell with video encoding module, and control module control access selected cell passes to digital signal processor or Wireless USB interface module to select one mode with display controller and video encoding module.
Aforesaid double-standard mobile communication terminal, wherein said Wireless USB interface module comprise Wireless USB interface control module that is connected with control module and the Wireless USB that is connected with this Wireless USB interface control module transmitting-receiving interface.
Aforesaid double-standard mobile communication terminal, wherein said Wireless USB transmitting-receiving interface is made of the RTL8170 cake core.
By technique scheme, double-standard mobile communication terminal of the present invention has following advantage at least:
One, double-standard mobile communication terminal of the present invention not only can be set up the conversation connection based on wireless wide area network, can also realize that the conversation of IP based network connects by external equipment, double-standard mobile communication terminal of the present invention both can have been enjoyed the broad covered area of mobile communications network, the advantage clearly of conversing thereby make, but the cheap advantage of enjoy network telephone relation again.
Two, thereby double-standard mobile communication terminal of the present invention is to have set up the function of dialing or receive the networking telephone by Wireless USB interface module and the transfer of data that can set up the external equipment that the networking telephone is connected on the basis of prior art mobile phone, and only carrying out part on prior art mobile phone basis changes, cost is cheap, thereby is suitable for practicality more.
Three, double-standard mobile communication terminal of the present invention can be set up sound, video calling and connects, thereby is convenient to both call sides better, more effectively link up.
Four, the double-standard mobile communication terminal of the present invention conversation that can carry out wireless wide area network connects and switching between the networking telephone of realizing by external equipment is connected, and makes things convenient for the user in time to select.
[description of drawings]
Fig. 1 is the structural representation of double-standard mobile communication terminal of the present invention.
Fig. 2 is the structural representation that the present invention can carry out the double-standard mobile communication terminal of audio frequency and video conversation.
[embodiment]
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the mobile communication terminal of a kind of double-standard that foundation the present invention is proposed, its concrete structure, feature and effect thereof, describe in detail as after.
Seeing also shown in Figure 1ly, is the structural representation of double-standard mobile communication terminal of the present invention.It is by Wireless USB interface module and the connection that can set up the external equipment that the networking telephone is connected, realizes the call function of mobile communication terminal and conversation opposite end IP based network.
Double-standard mobile communication terminal of the present invention comprises: the audio frequency input part, comprise a microphone, and receive outside sound, and outside sound is exported with analoging sound signal; A/D converter, the analoging sound signal that the audio frequency input part is exported is converted to digital audio signal output; Audio output part comprises a loud speaker; User control unit receives the control information that the user sends; Memory module, the various data of storage mobile communication terminal; The SIM card interface is used to insert SIM card, and electrically connects with the metal terminal of SIM card; The digital modulation and demodulation module is carried out demodulation output with the data of wireless receiving, and the data of input are modulated; Radio-frequency (RF) receiving and transmission module is connected with the digital modulation and demodulation module, carries out the work of shift frequency, emission, reception; Control module links to each other with memory module, SIM card interface, user control unit, is used to control the operating state of each parts; Digital signal processor is connected with control module, digital modulation and demodulation module, A/D converter, is used for data are carried out encoding and decoding speech, channel coding/decoding, encrypt/decrypt, equalizing demodulation processing; D/A converter is connected with the input of digital signal processor output and audio output part, and the voice data that receives is converted to analog signal.
Double-standard mobile communication terminal of the present invention also comprises: the Wireless USB interface module, be connected with control module, and carry out transfer of data with external equipment; The path selected cell, be connected with D/A converter with control module, Wireless USB interface module, digital signal processor, A/D converter, by control module control, to select one mode with A/D converter and D/A converter and digital signal processor or the connection of Wireless USB interface module.
Above-mentioned control module comprises the function of network phone module, sends external equipment by the Wireless USB interface module to external equipment and whether can set up the interrogation signal that the networking telephone connects, and connects thereby determine whether to carry out the networking telephone; Its networking telephone that can also send request startup external equipment is dialed the use request signal of software, thereby makes external equipment set up the preparation that the networking telephone connects; Its networking telephone data that mobile communication terminal can also be exported are added can make external equipment be identified as the information code of networking telephone data.
Wherein, send external equipment in the Wireless USB interface module to external equipment and whether can set up the interrogation signal that the networking telephone connects, can set up the information that the conversation of IP based network is connected by the external equipment and the opposite end of conversing thereby whether obtain.Above-mentioned path selected cell control mobile communication terminal is not connected with the conversation of conversation opposite end by the interference of another kind conversation connected mode.Above-mentioned information code is added in each networking telephone packet, is perhaps sent to external equipment by mobile communication terminal when the networking telephone connects or disconnect.
Above-mentioned and mobile communication terminal carry out wireless data transmission, set up external equipment that the networking telephone is connected with the conversation opposite end is to be the computer that links to each other with gateway, PDA etc., and it also is provided with the data-interface that can carry out wireless data transmission with the Wireless USB interface module of double-standard mobile communication terminal.
Double-standard mobile communication terminal of the present invention also comprises information table, and this information table is set up corresponding relation with the telephone number and the user-defined contact object title of contact object in wireless wide area network.Above-mentioned information table also can be for identification number and the user-defined contact object title of contact object end on IP network set up corresponding relation.In addition, above-mentioned information table can also be set up corresponding relation at the identification number on the IP network, user-defined contact object title, the telephone number of contact object in wireless wide area network with the contact object end.
Above-mentioned information table can be stored in memory module or with SIM card that the SIM card interface is connected in, and can carry out the processing such as interpolation, modification, deletion, importing, derivation of information table by user's control.
The idiographic flow that double-standard mobile communication terminal of the present invention dials network telephone is as follows:
(1) the Wireless USB interface module of mobile communication terminal is obtained the signal that can carry out the external equipment of wireless data transmission, and send external equipment by the Wireless USB interface module to external equipment by the function of network phone module and whether can set up the interrogation signal that the networking telephone connects, connect thereby determine whether to carry out the networking telephone.
The process of above-mentioned search external equipment generally is: the external equipment that is in open state sends the declaration information that proof exists self with broadcast mode always, at mobile communication terminal when startup and when being in the scope that to carry out wireless data transmission, as detect declaration information, then proof has the external equipment that can carry out wireless data transmission.(2) whether the external equipment inspection that can discern interrogation signal is set up mobile communication terminal by Wireless USB interface module and IP network and is connected with the networking telephone of conversation opposite end, can't set up networking telephone connection as external equipment and then not send answer signal, can set up the networking telephone as external equipment connects, then send the answer signal that can dial network telephone to mobile communication terminal
If mobile communication terminal is not received answer signal, then stop the transfer of data with this data-interface, and continue search have the networking telephone dial/external equipment of receiving function is until searching or compulsory withdrawal;
(3) after mobile communication terminal receives the answer signal of said external equipment transmission, on display screen, show the prompting that to set up networking telephone connection and/or audio output part sounded that notifying the user can carry out the networking telephone dials/receive, after dialing/receiving of the networking telephone carried out in user's affirmation, import the identification number of contact object end on IP network by the user by user control unit, or the identification number of storing in the gathering information table, and send the use request signal that the networking telephone that request starts external equipment is dialed software to external equipment by the function of network phone module, start the software that is used to dial/receive the networking telephone after making external equipment receive this signal;
(4) mobile communication terminal transfers to external equipment with identification number, and the IP network by external equipment connects and sets up the networking telephone with this contact object and be connected, the Wireless USB interface module is connected with D/A converter with A/D converter simultaneously by control module control access selected cell, and being connected of disconnection A/D converter and D/A converter and digital signal processor; (5) set up mobile communication terminal user with the conversation object the networking telephone be connected after, the analog voice signal that the user sends is converted to digital signal through A/D converter, and the networking telephone data interpolation of mobile communication terminal being exported by the function of network phone module can make external equipment be identified as the information code of networking telephone data, transfer to external equipment by the Wireless USB interface module, is networking telephone data according to information code with the data identification that receives by external equipment, again data are converted to the form that meets networking telephone Data Transport Protocol, and by IP network be sent to the conversation opposite end, in addition, the analog voice signal that the conversation object sends is sent in the external equipment by IP network through the conversion back, this external equipment reduces the data back that receives according to the Data Transport Protocol of the networking telephone, and the data wireless after will reducing transfers to mobile communication terminal, D/A converter through mobile communication terminal is converted to analog voice signal, plays to the user by audio output part.
Particularly, the work that starts the software that is used for dialing/receive the networking telephone in the external equipment in the above-mentioned steps (3) can be carried out in step (2).
Above-mentioned can to set up external equipment that the conversation of IP based network is connected with the conversation opposite end be to be the computer that is provided with data-interface or PDA etc., and it can carry out wireless data transmission with mobile communication terminal by the Wireless USB interface module.Above-mentioned control module is microprocessor (CPU) or microcontroller (MCU).Above-mentioned digital modulation and demodulation module comprises gauss low frequency filter and frequency modulation voltage controlled oscillator, and data are carried out modulation.
The Wireless USB interface module of double-standard mobile communication terminal of the present invention comprises Wireless USB interface control module that is connected with control module and the Wireless USB that is connected with this Wireless USB interface control module transmitting-receiving interface.Particularly, above-mentioned Wireless USB transmitting-receiving interface is made of the RTL8170 cake core that Taiwan Ruiyu Semiconductor Co. Ltd produces.
The path selected cell of double-standard mobile communication terminal of the present invention, control by control module, can make the mobile communication terminal and the conversation of conversation opposite end be connected wireless wide area network (Wireless Wide Area Network, be called for short WWAN) and based on voice transfer (the Voice over Internet Protocal of I P network, be called for short VoIP, the promptly aforesaid networking telephone) between switch.Set up conversation when being connected at mobile communication terminal by wireless wide area network and conversation opposite end, digital signal processor is connected with D/A converter with A/D converter, and being connected of cut-out Wireless USB interface module and A/D converter and D/A converter; When mobile communication terminal is connected with the conversation opposite end networking telephone,, and connect Wireless USB interface module and A/D converter and D/A converter with digital signal processor and A/D converter and D/A converter cut-out.
After control module having of obtaining by the Wireless USB interface module that external equipment makes interrogation signal set up the answer signal that the networking telephone connects, above-mentioned path selected cell can carry out connecting the switching that the conversation to the IP based network of realizing by external equipment connects from the conversation based on wireless wide area network automatically.
Obtaining at mobile communication terminal can't be with after the information that the conversation of IP based network is connected be set up in the conversation opposite end, and above-mentioned control module control access selected cell carries out connecting to the switching based on the conversation connection of wireless wide area network from the conversation of IP based network.Particularly, can't be with can set up external equipment that the networking telephone is connected and carry out wireless data transmission the time in the Wireless USB interface module, perhaps external equipment can't be when the conversation opposite end be set up the networking telephone and is connected, and what above-mentioned mobile communication terminal can receive all that Wireless USB interface module or external equipment send can't set up the information that the networking telephone is connected with the opposite end of conversing.
Above-mentioned user control unit comprises a switch key, converses when being connected by IP based network or wireless wide area network with the conversation opposite end at mobile communication terminal, and the selected cell connection of will conversing in control access switches to the connection of another kind of talking mode.
Above-mentioned wireless wide area network comprises global system for mobile communications (Global System forMobile communication, abbreviation GSM), use GPRS (the General Packet Radio Service of existing gsm system, abbreviation GPRS), Enhanced GPRS (Enhanced General Packet Radio Service, be called for short EGPRS) and the GSM evolution technology communication systems such as (Enhanced Data Rate forGSM Evolution are called for short EDGE) that improves data rate.
In addition, the information table of double-standard mobile communication terminal of the present invention is set up corresponding relation with telephone number in the wireless wide area network and the identification number of conversation opposite end on IP network, make control module in information table, obtain corresponding with it networking telephone identification number or telephone number according to the telephone number of conversation object or the identification number of the networking telephone.In addition, in above-mentioned information table, the telephone number of above-mentioned conversation object or networking telephone contact number can be set up corresponding relation with user-defined conversation object oriented.
Double-standard mobile communication terminal of the present invention is carrying out in the communication process with the voice utilization of wireless wide area network with the conversation opposite end, conversation can be connected the conversation that switches to the IP based network that utilizes the external equipment realization connects, its concrete changing method is to converse when being connected by wireless wide area network with the conversation opposite end at the double-standard mobile communication terminal, inquire signal by the transmission of function of network phone module, confirm that the conversation opposite end whether can be by the networking telephone connection of conversing, and whether have can with the external equipment of Wireless USB interface module wirelessly transmitting data, and this external equipment can be set up the networking telephone and connect, confirming and to be undertaken by external equipment after the networking telephone is connected with the conversation opposite end, send to start the signal of the software that is used to dial/receive the networking telephone to external equipment by the function of network phone module, in addition, in information table, obtain and the corresponding networking telephone identification number of the telephone number of contact object by control module, and identification number is sent to external equipment, make external equipment prepare to connect with conversation opposite end with this identification number, send the signal that request switches to the conversation connection of IP based network by wireless wide area network or IP network to the conversation opposite end again, be connected the back with its conversation in converse opposite end agreement and cut-out and be connected, thereby the realization mobile communication terminal is connected with the conversation of the opposite end IP based network of conversing with the conversation that IP based network is set up in the conversation opposite end.
Double-standard mobile communication terminal of the present invention carries out in the communication process being connected with the conversation of IP based network with the conversation opposite end, can switch to the voice that utilize wireless wide area network and use.At first be by wireless wide area network or IP network notice conversation opposite end by control module, request call transfer to the conversation of wireless wide area network connects, after agreeing, cut off and be connected with the conversation of external equipment, dismounting communicating data stream, in information table, obtain telephone number with the identification number corresponding wireless wide area network of contact object in IP network by control module, and will converse that to connect calling transfer be to be connected with the conversation of this telephone number in the wireless wide area network.Above-mentioned switching can be between mobile communication terminal and Correspondent Node the conversation of IP based network be connected when interrupting and carry out automatically.
Double-standard mobile communication terminal of the present invention comprises that also one switches the selection module, this switching selects module in that receive can be with information that the networking telephone is connected be carried out in the conversation opposite end by external equipment after, send the notice that can switch to networking telephone connection to the user, and select whether to switch by the user, select to switch as the user, then trigger control module connects the conversation connection that switches to IP based network with the phone of wireless wide area network.In addition, above-mentioned switching selects module can be set by the user the priority that networking telephone connection is connected with the phone of wireless wide area network, thereby makes control module select above-mentioned conversation connected mode automatically according to priority.
Double-standard mobile communication terminal of the present invention also comprises video encoding module and imageing sensor, the optical imagery that imageing sensor will obtain from the external world changes into digital signal, video encoding module is link control module and imageing sensor simultaneously, be used for and send the Wireless USB interface module to after the digital video signal coding of imageing sensor output, the compression, to outside device transmission, make the conversation opposite end obtain the audio files that video data that imageing sensor obtains and audio frequency input part obtain by the Wireless USB interface module with the transmission of the audio/video of IP based network.
Double-standard mobile communication terminal of the present invention also comprises display screen and display controller, display controller is link control module and display screen simultaneously, be used for the work of control display screen, the decoding video signal that will receive through Wireless USB, and send it in the display screen and show.In addition, above-mentioned display controller can also be with the decoding video signal through the output of above-mentioned video encoding module, and sends it in the display screen and show.As shown in Figure 2, be the structural representation that the present invention can carry out the double-standard mobile communication terminal of audio frequency and video conversation.
Because audio frequency and the required data packets for transmission of visual telephone are drawn together: view data and voice data.Because of the flow of voice data much smaller than view data, so voice data can be ignored to the influence of bandwidth.Resolution with video image is 640 * 480ppi, and the distinguishable live image of human eye was 24 frame/seconds, and color is 32 calculating, then carries out the required message transmission rate of video Data Transmission and is:
640×480×32×24＝225Mbps
According to above result of calculation as can be known, the Wireless USB interface module of double-standard mobile communication terminal of the present invention can receive and send video data, and utilize the audio frequency that Wireless USB interface module and external equipment carry out and the transmission of video data, can realize that mobile communication terminal is connected and video list/two-way connection with voice between the conversation opposite end.In addition, double-standard mobile communication terminal of the present invention can be connected the conversation of the audio frequency and video of above-mentioned IP based network to be connected with the conversation of wireless wide area network and switches by above-mentioned handover module.
In addition, when wireless wide area network also can carry out above-mentioned video telephone connection, display controller is connected with the path selected cell with video encoding module, and control module control access selected cell passes to digital signal processor or Wireless USB interface module to select one mode with display controller and video encoding module.In addition, above-mentioned video data is switched to digital signal processor or Wireless USB interface module with the path identical with voice data, thereby makes the video data of input and output only carry out the video transmission of wireless wide area network or the video transmission of the networking telephone.The above-mentioned video telephone based on wireless wide area network or IP network connects also can carry out the switching identical as voice call, and its concrete handoff procedure repeats no more.
Claims (10)
1, a kind of double-standard mobile communication terminal comprises the mobile phone portion that is used in wireless wide area network, and this mobile phone portion comprises: the digital signal processor that is connected with control module, memory module, SIM card interface, user control unit respectively; The A/D converter that is connected with digital signal processor, D/A converter, digital modulation and demodulation module; The radio-frequency (RF) receiving and transmission module that is connected with the digital modulation and demodulation module; And the audio frequency input part and the audio output part that are connected with D/A converter with A/D converter respectively, it is characterized in that the double-standard mobile communication terminal also comprises:
The Wireless USB interface module is connected with control module, carries out wireless data transmission with external equipment;
The path selected cell, be connected with D/A converter with control module, Wireless USB interface module, digital signal processor, A/D converter, by control module control, to select one mode with A/D converter and D/A converter and digital signal processor or the connection of Wireless USB interface module
Above-mentioned control module comprises the function of network phone module, whether it sends external equipment by the Wireless USB interface module to external equipment can set up the use request signal that the networking telephone that interrogation signal that the networking telephone connects and request start external equipment is dialed software, and the networking telephone data that mobile communication terminal is exported are added can make external equipment that it is identified as the information code of networking telephone data.
2, double-standard mobile communication terminal according to claim 1, it is characterized in that wherein said user control unit comprises a switch key, converse when being connected by IP based network or wireless wide area network with the conversation opposite end at mobile communication terminal, the control access selected cell will converse to connect and switch to the connection that another kind is conversed connected mode.
3, double-standard mobile communication terminal according to claim 1, it is characterized in that wherein said function of network phone module behind the answer signal that the networking telephone set up that receives the external equipment transmission by the Wireless USB interface module connects, send information to display screen or audio output part and connect to notify the user can set up the networking telephone.
4, double-standard mobile communication terminal according to claim 1 is characterized in that wherein said can to set up external equipment that the conversation of IP based network is connected with the conversation opposite end be computer, PDA for linking to each other with gateway; Described control module is microprocessor or microcontroller; Described digital modulation and demodulation module comprises gauss low frequency filter and frequency modulation voltage controlled oscillator.
5, double-standard mobile communication terminal according to claim 1 is characterized in that it also comprises information table, and this information table is set up corresponding relation with the telephone number and the user-defined contact object title of contact object in wireless wide area network; Or identification number and the user-defined contact object title of contact object end on IP network set up corresponding relation.
6, double-standard mobile communication terminal according to claim 1, it is characterized in that it also comprises information table, this information table is set up corresponding relation with the contact object end at the identification number on the IP network, user-defined contact object title, the telephone number of contact object in wireless wide area network, when mobile communication terminal was switched between the conversation based on utilization of the voice of wireless wide area network and IP based network connects, control module can be obtained corresponding contact number.
7, according to claim 5 or 6 described double-standard mobile communication terminals, it is characterized in that wherein said information table can be stored in memory module or with SIM card that the SIM card interface is connected in, and can carry out interpolation, modification, the deletion of information table by user's control.
8, double-standard mobile communication terminal according to claim 1, it is characterized in that it also comprises video encoding module, imageing sensor, display screen and display controller, the optical imagery that imageing sensor will obtain from the external world changes into digital signal, video encoding module is link control module and imageing sensor simultaneously, is used for sending the Wireless USB interface module to after the digital video signal coding of imageing sensor output, the compression; Described display controller is link control module and display screen simultaneously, is used for the work of control display screen, the decoding video signal that will receive through Wireless USB, and send it in the display screen and show.
9, double-standard mobile communication terminal according to claim 8, it is characterized in that wherein said display controller is connected with the path selected cell with video encoding module, control module control access selected cell passes to digital signal processor or Wireless USB interface module to select one mode with display controller and video encoding module.
10, double-standard mobile communication terminal according to claim 1, it is characterized in that wherein said Wireless USB interface module comprises Wireless USB interface control module that is connected with control module and the Wireless USB that is connected with this Wireless USB interface control module transmitting-receiving interface, this Wireless USB transmitting-receiving interface is made of the RTL8170 cake core.
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| CNB2006100662869A CN100442894C (en) | 2006-03-31 | 2006-03-31 | Double-standard mobile communication terminal |
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| CNB2006100662869A CN100442894C (en) | 2006-03-31 | 2006-03-31 | Double-standard mobile communication terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257685B (en) * | 2008-03-14 | 2011-06-22 | 宇龙计算机通信科技(深圳)有限公司 | Multi-module communication terminal, audio system and control method thereof |
| CN101252743B (en) * | 2008-03-31 | 2011-07-13 | 宇龙计算机通信科技(深圳)有限公司 | Multi-module communication terminal, audio system and control method thereof |
| CN109120303A (en) * | 2018-10-23 | 2019-01-01 | 武汉中元通信股份有限公司 | A kind of communication radio station for parachuting |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI577166B (en) * | 2015-03-17 | 2017-04-01 | 神雲科技股份有限公司 | Communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7039027B2 (en) * | 2000-12-28 | 2006-05-02 | Symbol Technologies, Inc. | Automatic and seamless vertical roaming between wireless local area network (WLAN) and wireless wide area network (WWAN) while maintaining an active voice or streaming data connection: systems, methods and program products |
| CN1204700C (en) * | 2001-12-29 | 2005-06-01 | 联想(北京)有限公司 | Radio communication system combining with long and short distance technology and its realizing method |
| WO2004051969A1 (en) * | 2002-12-04 | 2004-06-17 | Koninklijke Philips Electronics N.V. | Method and apparatus for a dual mode telephone |
| CN2645354Y (en) * | 2003-08-14 | 2004-09-29 | 浙江浙大网新易盛网络通讯有限公司 | Wireless USB telephone set |
| CN1303838C (en) * | 2005-03-18 | 2007-03-07 | 杭州斯达康通讯有限公司 | Dual-mode/multi-mode portable device and intelligent switching method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257685B (en) * | 2008-03-14 | 2011-06-22 | 宇龙计算机通信科技(深圳)有限公司 | Multi-module communication terminal, audio system and control method thereof |
| CN101252743B (en) * | 2008-03-31 | 2011-07-13 | 宇龙计算机通信科技(深圳)有限公司 | Multi-module communication terminal, audio system and control method thereof |
| CN109120303A (en) * | 2018-10-23 | 2019-01-01 | 武汉中元通信股份有限公司 | A kind of communication radio station for parachuting |
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| CN100442894C (en) | 2008-12-10 |
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