CN100535877C - Apparatus and method for transmitting computer data documents by telephone - Google Patents
Apparatus and method for transmitting computer data documents by telephone Download PDFInfo
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- CN100535877C CN100535877C CNB031308945A CN03130894A CN100535877C CN 100535877 C CN100535877 C CN 100535877C CN B031308945 A CNB031308945 A CN B031308945A CN 03130894 A CN03130894 A CN 03130894A CN 100535877 C CN100535877 C CN 100535877C
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Abstract
The present invention discloses the method and device for utilizing telephone and telephone communication network to transmit computer data file. Via telephone calling, the present invention establishes point-to-point computer data transmission link in communication telephone communication network. Then, under the control of microprocessor, local computer data are transmitted to other party via USB interface chip set, modem chip and said link, and the data from the other party are transmitted to the local computer. The present invention has the features of no influence on normal telephone function, no increment in office equipment and simple operation.
Description
Technical field
The present invention relates to a kind of compunication, particularly a kind of method and apparatus that utilizes plain old telephone transmission computer data file.
Background technology
Computer data file transmission now mainly contains dual mode: one is to use computer network, the user can pass through variety of ways such as Ethernet, remote dial, optical fiber, Bluetooth technology, infrared connection with the computing machine access network so that and network in other computing machine shared data files; The 2nd, utilize external memory device to wait swap data such as hard disk, ZIP driver, mobile memory, floppy disk.And the mode of these two kinds of shared computer datas all has its deficiency.Carry out information sharing between the computing machine by network, owing to need to build expensive network, cost is very high.And the safety of generally acknowledging network at present can not guarantee that have connection physically in a network between all computing machines, any in theory computing machine in network can obtain the information of other computing machines in the network by various means.And use external memory device to transmit the strictness restriction that computer data is subjected to space length, then very inconvenient when distance between two computing machines is far away slightly.In addition, black phone and fax are the most frequently used communication modes that exchange information of people, but black phone only possesses phonetic function, and fax can only transmission diagram rubber information, and can not directly transmit abundant computer data.Obviously, these simple functions also are far from excavating the potentiality of existing huge telephone communication network at present.
Summary of the invention
The purpose of this invention is to provide a kind of method and apparatus that utilizes plain old telephone and telephone communication network to transmit computer data file.Utilize existing telephone line, do not influence normal telephone relation function, do not increase local side apparatus, simple to operation.
According to an aspect of the present invention, a kind of method by plain old telephone and telephone communication network transmission computer data file is provided, utilize call on the plain old telephone communication network, to set up the data transmission link of point-to-point computing machine, said method comprising the steps of:
A) data transmission link by the described point-to-point computing machine of setting up on the plain old telephone communication network comprises to the other side's sending computer data
A-1) local computer sends usb data to the USB interface chipset;
A-2) microcontroller detects the USB interface chipset and whether receives described usb data, when detecting described usb data and arrived, read the data in the data buffer register in the USB interface chipset, data are outputed to data bus, simultaneously the MODEM chip is sent control signal and address addressing signal, make the data on the data bus write the MODEM chip;
A-3) the Modem chip becomes simulating signal with the described data-switching of microcontroller forwarding, is sent to the other side via telephone line;
B) data transmission link by the described point-to-point computing machine of setting up on the plain old telephone communication network receives the data that the other side sends, and comprises
B-1) the Modem chip receives the simulated data that the other side transmits via telephone line, and converts the simulated data that is received to wait to be sent to USB interface chipset 2 computer data;
B-2) microcontroller detects the Modem chip and whether receives the other side's data, when detecting the Modem chip and received the other side's data, read the data in the Modem chip high speed buffer memory, data are outputed to data bus, simultaneously the USB interface chipset is sent control signal and address addressing signal, make the reception data on the data bus write the USB interface chipset;
B-3) described USB interface chipset 2 becomes usb data to send to local computer the data conversion of microcontroller forwarding.
Above-mentioned steps A-2 further comprises: when USB interface chipset 2 receives usb data, send a look-at-me to microcontroller, the request microcontroller is handled data, the look-at-me of microcontroller response USB interface chipset is called interrupt handling routine data is transmitted to the MODEM chip from the USB interface chipset;
Above-mentioned steps B-2 further comprises: after the MODEM chip receives the other side's data, send a look-at-me to microcontroller, microcontroller responds described interruption, calls interrupt handling routine data are transmitted to the USB interface chipset from the MODEM chip.
According to another aspect of the present invention, provide a kind of device, having comprised by plain old telephone and telephone communication network transmission computer data file:
A computer interface chipset receives the computer data of waiting to be sent to the Modem chip from local computer, and will become usb data to send to local computer from the data conversion of Modem chip;
A Modem chip, to become simulating signal from the data-switching of computer interface chipset, be sent to the other side via telephone line, and receive the other side, convert thereof into the computer data of waiting to be sent to the computer interface chipset via the simulated data that telephone line transmits;
A microcontroller, the data of transmitting between computer interface chipset and the Modem chip transmit;
Described microcontroller comprises: a detection module, whether receive in order to the detection computations machine chip whether described computer data and detection Modem chip receive the other side's data;
One read module, when detecting described computer data and arrived, the data that it reads in the data buffer register in the computer interface unit output to data bus with data; When detecting the Modem chip and received the other side's data, then it reads the data in the high-speed cache in the Modem interface arrangement, and data are outputed to data bus;
One sending module sends control signal and address addressing signal to the MODEM chip, makes the data on the data bus write the Modem interface; Or computer interface sent control signal and address addressing signal, make the reception data on the data bus write computer interface.
Preferable, described microcontroller also comprises: an interruption processing module, when the computer interface chipset receives computer data, send a look-at-me to microcontroller, the request microcontroller is handled data, the look-at-me of described interruption processing module responsive computer interface chip group is called interrupt handling routine data form computer interface chip group is transmitted to the MODEM chip;
After the MODEM chip receives the other side's data, send a look-at-me to microcontroller, described interruption processing module responds described interruption, calls interrupt handling routine data are transmitted to the computer interface chipset from the MODEM chip.
Preferable, also comprise: a poll module, data arriving signal in order to poll or interrupt mode detection computations machine interface chip group, detect the data arriving signal of computer interface chipset when described detection module after, read the data in the data buffer register in the computer interface chipset by described read module, data are outputed to data bus, simultaneously the MODEM chip is sent control signal and address addressing signal by described sending module, make the data on the data bus write the MODEM chip, encoded, output to telephone wire after the modulation, described then sending module control computer interface chipset is to handshaking signal of computing machine loopback, data in the expression computer interface chipset in the data buffer register are read, and can send new data.
Preferable, also comprise: a poll module, detect the reception data arriving signal of Modem chip in order to poll or interrupt mode, detect the reception data arriving signal of Modem chip when described detection module after, read data in the Modem chip high speed buffer memory by described read module, data are outputed to data bus, simultaneously the computer interface chipset is sent control signal and address addressing signal by described sending module, make the reception data on the data bus write the computer interface chipset, give local computer data transmission by the internal calculation machine controller startup batch transmission of computer interface chipset.
Aforementioned computer interface can be one of interface of USB interface, IEEE-1394, serial ports, parallel port or other transmission computer datas.
This shows, the application of the invention, the user can use plain old telephone and this device transmission computer data file.
Beneficial effect of the present invention has mainly provided a kind of new method of directly transmitting computer data file by plain old telephone and telephone communication network.It is just the same with facsimile recorder convenient to use.Owing to do not use the resource of other networks, thus when the user when own internal institution phone local office scope uses present technique to transmit computer data file, without any need for communication cost; In the time of transmission data file in local calling area, then only need payment city telephone rate usefulness, rather than present dial up on the telephone payment expenses of surfing in Internet and telephone charge.In addition, the method for this transmission data file is also come safelyr than the mode of network.Seem faster, simple than other methods of transmitting computer data file with external storage.
The present invention is described in detail with instantiation below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the interior block diagram of a device of the present invention;
The external typical case application drawing that Fig. 2 separates with telephone set for device of the present invention;
Fig. 3 is the incorporate built-in typical application drawing of device of the present invention and telephone set.
Embodiment
Referring to Fig. 1, device by plain old telephone and telephone communication network transmission computer data file of the present invention, comprise: a USB interface chipset 2, this USB interface chipset 2 is via the UBS data of waiting be sent to Modem chip 3 of usb data line reception from the local computer (not shown), and will become usb data, and send to local computer through the usb data line from the data conversion of Modem chip 3; A Modem chip 3, Modem chip 3 will become simulating signal from the data-switching of USB interface chipset 2, be sent to the other side via telephone line, and receive the other side, convert thereof into the computer data of waiting to be sent to USB interface chipset 2 via the simulated data that telephone line transmits; A microcontroller 1, the data of transmitting between USB interface chipset 2 and the Modem interface chip 3 transmit.
Microcontroller 1 detects USB interface chipset 2 and whether receives usb data from local computer.When USB interface chipset 2 receives usb data, send a look-at-me to microcontroller 1,1 pair of data of request microcontroller are handled, the look-at-me of microcontroller 1 response USB interface chipset 2 equipment is called interrupt handling routine data is transmitted to MODEM chip 3 from USB interface chipset 2.Concrete processing procedure is, detect the data arriving signal of USB interface chipset 2 when microcontroller 1 after, read the data in the data buffer register in the USB interface chipset 2, data are outputed to data bus, simultaneously MODEM chip 3 is sent control signal and address addressing signal, make the data on the data bus write MODEM chip 3, output to telephone wire after coding, the modulation.Microprocessor control USB interface chipset 2 to represent that the data in the data buffer register are read in the USB interface chipset 2, can send new data to a handshaking signal of computing machine loopback (ACK) then.In addition, microprocessor 1 also can adopt the poll detection mode to detect the data arriving signal of above-mentioned USB interface chipset 2.
Microcontroller 1 detects MODEM chip 3 and whether receives the other side's data.After MODEM chip 3 receives the other side's data, send a look-at-me to microcontroller 1, the described interruption of microcontroller 1 response is called interrupt handling routine data is transmitted to USB interface chipset 2 from MODEM chip 3.Concrete processing procedure is, detect the reception data arriving signal of Modem chip 3 when microprocessor 1 after, read the data in Modem chip 3 high-speed caches, data are outputed to data bus, simultaneously USB interface chipset 2 is sent control signal and address addressing signal, make the reception data on the data bus write USB interface chipset 2, give computing machine data transmission by the inside USB controller startup batch transmission of USB interface chipset 2.In addition, microprocessor 1 also can adopt the reception data of poll detection mode detection Modem chip 3 to reach signal.
Wherein.
Device of the present invention can have two kinds of application modes.
1, the external hardware unit of plain old telephone, as depicted in figs. 1 and 2, this device comprises the circuit board of a core, microcontroller 1, computer interface chip (such as supporting USB interface, IEEE-1394, serial ports, parallel port etc. and newly-increased in the future computing machine new interface, below realize), MODEM chip 3, key circuit and some accessory circuits have been installed on the circuit board with USB interface.Microcontroller 1 links to each other with MODEM chip 3 with USB interface chipset 2 with control bus by data bus, address bus.The LINE IN of MODEM chip 3 circuit of answering the call, LINE OUT mouth is connected with telephone set.USB interface chipset 2 is connected with USB interface of computer by the USB transmission line.Its workflow is: the phone off-hook makes a call, consult begin to transmit data after, the conversation connection goes to MODEM chip 3 and keeps, and USB interface chipset 2 receives the data of computing machine USB interface transmission, and microcontroller 1 control data outwards transmits through MODEM chip 3 from USB interface; After the other side received data, microcontroller 1 control data transmitted to USB interface of computer through USB interface chipset 2 from MODEM chip 3.
2, as shown in Figure 3, in the inner realization of ordinary telephone set, the structure of circuit board does not change with this device, and the function of chip does not change, we can realize utilizing plain old telephone transmission computer data file under the prerequisite that does not change telephone set shape and outward appearance like this.
The structure and the course of work to apparatus of the present invention is elaborated below:
1, the USB interface chipset 2 main USB technology that adopt, USB is the abbreviation of English Universal Serial Bus, Chinese implication is " USB (universal serial bus) ".It is not a kind of new bus standard, but is applied in the new interface technology in PC field.USB device has four kinds of different data transfer modes: transmission mode when waiting (Isochronous), interruption transmission mode (Interrupt), control transmission mode (Control) and batch (Bulk) transmission mode, these transmission modes respectively have characteristics, are respectively applied for different places.Deng time transmission is stream, real-time Transmission, it to data must with a constant speed or in official hour transmission be of great use.Interrupt the transmission indication equipment and cause a hardware interrupts, this hardware interrupts will produce the quick response of a PC, be suitable for the data of a moderate quatity of transmission in an official hour.Control transmission sends request and the data relevant with configuration with the ability of equipment, is mainly used in the transmission of configuration data.Batch the transmission concerning undemanding data transmission of transmission time of great use, criticizing transmission can send mass data and can not block bus, because this transmission meeting postpones for the transmission of other types, but the bus time spent transmits again by the time, on the bus of a free time, it is very fast criticizing transmission, is fit to transferring large number of data.USB interface chipset 2 receives the new data that usb data maybe will send, and an interrupt pin can signal to microcontroller 1, and 1 pair of data of request microcontroller are handled.The look-at-me of microcontroller 1 response USB interface chipset 2, the interrupt handling routine that calls among the PROM is transmitted to MODEM chip 3 codings, modulation, transmission to data from USB interface chipset 2; After the take over party receives data, MODEM chip 3 also can produce a hardware interrupt to microcontroller 1, microcontroller 1 this interrupt call interrupt handling routine of response is transmitted to USB interface chipset 2 with data from MODEM chip 3, transmits data to USB interface of computer with batch transmission mode by USB interface chipset 2.
2, Modem also is modulator-demodular unit, mainly finishes simulating signal on the ordinary telephone line and the conversion between the computer digit signal.It (is data pump that Modem chip 3 generally comprises data input, comprise DSP processing unit, interface circuit and high-speed cache etc.) and control module, data input is responsible for the modulation and demodulation of signal, control module is responsible for other ability of Modem, comprising: error correcting, fax parameter, compression protocol, interruption AT Command Set, message transmission rate and agreement are regulated.(so-called AT instruction is a whole set of instruction that Modem is programmed of Hayes release then, be specifically designed to the operations of computer control Modem, these orders are used to control communication and other function of Modem, comprising: initialization, dialing, break, be provided with the factory default value, first-selected agreement and connection speed or the like are set.Owing to each instruction all is to take the lead with " AT " to gain the name, AT is the abbreviation of English ATtention, and expression reminds Modem to note.) Modem chip 3 is connected with microcontroller 1, telephone set, telephone line respectively.When transmitting terminal sends data, the data of microcontroller 1 response USB interface chipset 2 arrive look-at-me, usb data is transmitted to Modem chip 3, at receiving end, when Modem chip 3 receives data, produce the reception data to microcontroller 1 and arrive look-at-me, give USB interface chipset 2 with the signal forwarding that Modem receives by microcontroller 1 interrupt response.
3, microprocessor detects the data arriving signal of USB interface chipset 2 and the reception data arriving signal of Modem chip 3 with poll or interrupt mode.Behind the data arriving signal that detects USB interface chipset 2, read the data in the data buffer register in the USB interface chipset 2, data are outputed to data bus, simultaneously MODEM chip 3 is sent control signal and address addressing signal, make the data on the data bus write MODEM chip 3, output to telephone wire after coding, the modulation.Microprocessor control USB interface chipset 2 to represent that the data in the data buffer register are read in the USB interface chipset 2, can send new data to a handshaking signal of computing machine loopback (ACK) then.Behind the reception data arriving signal that detects Modem chip 3, read the data in Modem chip 3 high-speed caches, data are outputed to data bus, simultaneously USB interface chipset 2 is sent control signal and address addressing signal, make the reception data on the data bus write USB interface chipset 2, give computing machine data transmission by the inside USB controller startup batch transmission of USB interface chipset 2.
The present invention realizes utilizing the workflow of plain old telephone transmission computer data file as follows:
1, establishes a communications link, after calling party receives that callee's preparation receives data-signal, on-hook goes to MODEM chip 3 with connection, computing machine USB interface driver sends to the USB interface chipset 2 of device with data, and microcontroller 1 is forwarded to MODEM chip 3 with data from USB interface chipset 2.Converting the digital data into modulated-analog signal by the built-in communications protocol (as PPP) of MODEM chip 3 transmits on telephone line.
2, after take over party's device receives modulated-analog signal, be responsible for work such as demodulation, decoding, be reduced into digital signal, under the control of microcontroller 1, data are passed to the computing machine of reception through USB interface chipset 2 by MODEM chip 3.The USB interface of computer driver is responsible for giving operating system with data and is handled.
3, after telephone line begins to transmit computer data, the user can normally make a phone call.Conversation can not be affected.
4, transmission data file is big or small unrestricted, as long as the time allows, hard disc of computer enough can transmit many arbitrarily files greatly.
Below be the example application of a realization with plain old telephone and telephone communication network transmission computer data file:
(1) be the example (see figure 2) with the external device, party A-subscriber's telephone number is 84650001, and party B-subscriber's telephone number is 84650002, now party A-subscriber and party B-subscriber all oneself telephone set and telephone wire between be connected in series external device of the present invention.Now the party A-subscriber will be transmitted certain file " test.doc " on the own computing machine to the party B-subscriber.
(2) party A-subscriber at first links to each other the USB interface data line of this device with USB interface of computer.When being connected with the computing machine USB interface for the first time, operating system meeting Auto-Sensing is to the USB peripheral hardware and load the respective drive program.The party A-subscriber begins to dial party B-subscriber's phone 84650002 then, tell the party B-subscriber to transmit some files after the connection to him, then the party B-subscriber is connected the usb data line of this device and his computing machine USB interface equally, when being connected with the computing machine USB interface for the first time, operating system meeting Auto-Sensing is to the USB peripheral hardware and load the respective drive program.Simultaneously the party B-subscriber by lower device begin prepare to get final product on-hook behind the button of received data file.Want this moment the party A-subscriber of transfer files to press the button on-hook afterwards of the beginning transfer files of external device.
(3) at this moment party A-subscriber and party B-subscriber have set up and have communicated to connect.Need party A-subscriber's file " test.doc " that the copy needs transmit in the file of representing device USB peripheral hardware on computers of transmission data file simultaneously, begin transmission.
(4) after party A-subscriber's transmission data file finishes, computing machine can be pointed out party A-subscriber's file end of transmission.Party B-subscriber's computing machine also can point out party B-subscriber's file successfully to receive, and whether continues transfer files.If select to continue then connect to keep, can continue to transmit alternative document.If do not select to continue then connect to disconnect, transfer files then needs to dial again the other side's phone and connects again.Built-in application and external are basic identical.In sum, the present invention can increase an autonomous device on the basis of original phone, also can under the prerequisite that does not change telephone set shape and outward appearance device be implemented in telephone set inside, can directly transmit computer data file on phone.
Computer data file is meant files such as the text, scale-of-two, video, image, voice of the various forms that can store on the computing machine and kind.Above said computer interface can be computer general-purpose interfaces such as existing serial ports, parallel port, USB interface, IEEE-1394 interface, also can be the computing machine new interface that may occur in the future.
The present invention has following characteristics:
1, core of the present invention is a computer data telephone relay device, comprises the USB interface core of core Sheet group 2 modules, MODEM chip 3 modules, microcontroller 1 module.
2, the built-in PPP of MODEM chip 3 modules, TCP/IP, FTP etc. or other communications Agreement.
3, the built-in EPROM of microcontroller 1 chip module or other memory stores programmed instruction are responsible for Finish the data dispatch work between MODEM chip 3 modules and USB interface chipset 2 modules.
4, device can have two kinds of patterns: external and built-in. External refers to this device and original Telephone set is separate, and just this device of serial connection gets final product between original telephone wire and telephone set. Built-in Formula refers to that this device in the inner realization of telephone set, substitutes original phone with the telephone set that this device has been installed Machine can possess the function of transmission computer data file.
Claims (9)
1. the method by plain old telephone and telephone communication network transmission computer data file utilizes call to set up the data transmission link of point-to-point computing machine on the plain old telephone communication network, said method comprising the steps of:
A) data transmission link by the described point-to-point computing machine of setting up on the plain old telephone communication network comprises to the other side's sending computer data
A-1) local computer sends usb data to the USB interface chipset;
A-2) microcontroller detects the USB interface chipset and whether receives described usb data, when detecting described usb data and arrived, read the data in the data buffer register in the USB interface chipset, data are outputed to data bus, simultaneously the MODEM chip is sent control signal and address addressing signal, make the data on the data bus write the MODEM chip;
A-3) the Modem chip becomes simulating signal with the described data-switching of microcontroller forwarding, is sent to the other side via telephone line;
B) data transmission link by the described point-to-point computing machine of setting up on the plain old telephone communication network receives the data that the other side sends, and comprises
B-1) the Modem chip receives the simulated data that the other side transmits via telephone line, and converts the simulated data that is received to wait to be sent to the USB interface chipset computer data;
B-2) microcontroller detects the Modem chip and whether receives the other side's data, when detecting the Modem chip and received the other side's data, read the data in the Modem chip high speed buffer memory, data are outputed to data bus, simultaneously the USB interface chipset is sent control signal and address addressing signal, make the reception data on the data bus write the USB interface chipset;
B-3) described USB interface chipset becomes usb data to send to local computer the data conversion of microcontroller forwarding.
2. method according to claim 1, wherein
Steps A-2 further comprises: when the USB interface chipset receives usb data, send a look-at-me to microcontroller, the request microcontroller is handled data, the look-at-me of microcontroller response USB interface chipset is called interrupt handling routine data is transmitted to the MODEM chip from the USB interface chipset;
Step B-2 further comprises: after the MODEM chip receives the other side's data, send a look-at-me to microcontroller, microcontroller responds described interruption, calls interrupt handling routine data are transmitted to the USB interface chipset from the MODEM chip.
3. method according to claim 1 and 2, wherein said microcontroller detects the data arriving signal of USB interface chipset with poll or interrupt mode, behind the data arriving signal that detects the USB interface chipset, read the data in the data buffer register in the USB interface chipset, data are outputed to data bus, simultaneously the MODEM chip is sent control signal and address addressing signal, make the data on the data bus write the MODEM chip, encoded, output to telephone wire after the modulation, microprocessor controls USB interface chipset is to handshaking signal of computing machine loopback then, data in the expression USB interface chipset in the data buffer register are read, and can send new data.
4. method according to claim 1 and 2, wherein said microcontroller detects the reception data arriving signal of Modem chip with poll or interrupt mode, behind the reception data arriving signal that detects the Modem chip, read the data in the Modem chip high speed buffer memory, data are outputed to data bus, simultaneously the USB interface chipset is sent control signal and address addressing signal, make the reception data on the data bus write the USB interface chipset, give local computer data transmission by the inside USB controller startup batch transmission of USB interface chipset.
5. the device by plain old telephone and telephone communication network transmission computer data file is characterized in that: comprise
A computer interface chipset receives the computer data of waiting to be sent to the Modem chip from local computer, and will become usb data to send to local computer from the data conversion of Modem chip;
A Modem chip, to become simulating signal from the data-switching of computer interface chipset, be sent to the other side via telephone line, and receive the other side, convert thereof into the computer data of waiting to be sent to the computer interface chipset via the simulated data that telephone line transmits;
A microcontroller, the data of transmitting between computer interface chipset and the Modem chip transmit;
Described microcontroller comprises: a detection module, whether receive in order to the detection computations machine chip whether described computer data and detection Modem chip receive the other side's data;
One read module, when detecting described computer data and arrived, the data that it reads in the data buffer register in the computer interface unit output to data bus with data; When detecting the Modem chip and received the other side's data, then it reads the data in the high-speed cache in the Modem interface arrangement, and data are outputed to data bus;
One sending module sends control signal and address addressing signal to the MODEM chip, makes the data on the data bus write the Modem interface; Or computer interface sent control signal and address addressing signal, make the reception data on the data bus write computer interface.
6. the device by plain old telephone and telephone communication network transmission computer data file according to claim 5 is characterized in that:
Described microcontroller also comprises: an interruption processing module, when the computer interface chipset receives computer data, send a look-at-me to microcontroller, the request microcontroller is handled data, the look-at-me of described interruption processing module responsive computer interface chip group is called interrupt handling routine data form computer interface chip group is transmitted to the MODEM chip;
After the MODEM chip receives the other side's data, send a look-at-me to microcontroller, described interruption processing module responds described interruption, calls interrupt handling routine data are transmitted to the computer interface chipset from the MODEM chip.
7. according to claim 5 or 6 described devices by plain old telephone and telephone communication network transmission computer data file, it is characterized in that: also comprise: a poll module, data arriving signal in order to poll or interrupt mode detection computations machine interface chip group, detect the data arriving signal of computer interface chipset when described detection module after, read the data in the data buffer register in the computer interface chipset by described read module, data are outputed to data bus, simultaneously the MODEM chip is sent control signal and address addressing signal by described sending module, make the data on the data bus write the MODEM chip, encoded, output to telephone wire after the modulation, described then sending module control computer interface chipset is to handshaking signal of computing machine loopback, data in the expression computer interface chipset in the data buffer register are read, and can send new data.
8. according to claim 5 or 6 described devices by plain old telephone and telephone communication network transmission computer data file, it is characterized in that: also comprise: a poll module, detect the reception data arriving signal of Modem chip in order to poll or interrupt mode, detect the reception data arriving signal of Modem chip when described detection module after, read data in the Modem chip high speed buffer memory by described read module, data are outputed to data bus, simultaneously the computer interface chipset is sent control signal and address addressing signal by described sending module, make the reception data on the data bus write the computer interface chipset, give local computer data transmission by the internal calculation machine controller startup batch transmission of computer interface chipset.
9. the device by plain old telephone and telephone communication network transmission computer data file according to claim 5 is characterized in that: described computer interface is one of interface of USB interface, IEEE-1394, serial ports, parallel port or other transmission computer datas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031308945A CN100535877C (en) | 2003-05-21 | 2003-05-21 | Apparatus and method for transmitting computer data documents by telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031308945A CN100535877C (en) | 2003-05-21 | 2003-05-21 | Apparatus and method for transmitting computer data documents by telephone |
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| Publication Number | Publication Date |
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| CN1549138A CN1549138A (en) | 2004-11-24 |
| CN100535877C true CN100535877C (en) | 2009-09-02 |
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| CNB031308945A Expired - Lifetime CN100535877C (en) | 2003-05-21 | 2003-05-21 | Apparatus and method for transmitting computer data documents by telephone |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100455085C (en) * | 2006-02-15 | 2009-01-21 | 华为技术有限公司 | User terminal for carrying out point-to-point file transmission and its transmission method |
| CN107590049B (en) * | 2017-08-07 | 2021-05-04 | 硅谷数模半导体（北京）有限公司 | Data processing method based on independent operation mode and client |
| CN109491714B (en) * | 2018-11-05 | 2021-08-10 | 杭州华移技术有限公司 | Data communication device and method |
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