CN206077530U - It is a kind of at the same adapt to it is artificial receive and automatic reception fax transmission system - Google Patents
It is a kind of at the same adapt to it is artificial receive and automatic reception fax transmission system Download PDFInfo
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- CN206077530U CN206077530U CN201621035025.6U CN201621035025U CN206077530U CN 206077530 U CN206077530 U CN 206077530U CN 201621035025 U CN201621035025 U CN 201621035025U CN 206077530 U CN206077530 U CN 206077530U
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- receiving terminal
- fax transmission
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Abstract
The utility model discloses a kind of while adapting to the artificial fax transmission system received with automatic reception, the fax transmission system includes MCU control module, Modem module, audio decoder, analog switch and DAA circuit modules, DAA circuit modules are used to access public switch type telephone network, so that the fax transmission system can be communicated with receiving terminal by public switch type telephone network.This utility model is by sending CNG fax tone signals and the audio analog signals comprising speech identity statement to receiving terminal simultaneously, the fax transmission system is enabled while adapting to the artificial reception pattern and automatic reception mode of receiving terminal, so as to improve the success rate of fax transmission.
Description
Technical field
This utility model is related to automatic picture transmission system, more particularly to a kind of while adapting to the artificial biography received with automatic reception
It is true to send system.
Background technology
The 1.3.1 article regulation in automated facsimile agreement ITU-T T.30 agreement：It is that automated facsimile terminal is included into non-words
Terminal class, it is necessary to send a CNG fax tone signal to circuit.Because of automatic caller and called fax end during call setup
End twocouese circuit sends single-tone, if regular phone user is inadvertently connected with a terminal, when will receive one persistently
Between sufficiently long tone signal, which is illustrated to be incorrect link.The 1.3.2 article also specifies：In addition, can be notified using automatic speech
To provide terminal iidentification.Such as, after transmitting terminal receives the signal of closing of the circuit, logical 0.5s should be sent immediately, break 3s, frequency is
Reminding receiving terminal, transmitting terminal is exhaled for fax for CNG (Calling Tone) the fax tone signals of 1100Hz or verbal announcement
Cry.
But, automatic picture transmission system on the market is generally, after the signal of closing of the circuit, only to send CNG at present
(Calling Tone) fax tone signal, or verbal announcement is only sent in order to adapt to artificial reception pattern so that transmitting terminal
Can not adapt to simultaneously receiving terminal be manually answer or automatic reception situation, that is, these situations occur：If receiving terminal is artificial
In the case of answering, if transmitting terminal only sends CNG (Calling Tone) fax tone signals, this signal is not manually understood,
May refuse to provide reception signal because not knowing other side's identity, cause fax failure；If receiving terminal is set to automatic reception
In the case of pattern, if transmitting terminal only sends verbal announcement after the signal of closing of the circuit, receiving terminal will cannot recognize that
Call intent, may directly hang up or be judged to call, by call forwarding to answer phone, cause fax failure.Due to
Current automatic picture transmission system can not accurate and effective to recognize receiving terminal be artificial reception pattern or automatic reception mode, such as
Fruit transmitting terminal is not corresponding with the pattern of receiving terminal, is likely to result in the call failure of fax, so that facsimile data sends losing
Lose.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model be provide it is a kind of adapt to simultaneously it is artificial receive with
The fax transmission system of automatic reception, which can solve the problem that in prior art that fax transmission system can not be while adapting to receiving terminal and being
The problem of artificial reception pattern and automatic reception mode.
The purpose of this utility model employs the following technical solutions realization：
This utility model provides a kind of while adapting to the artificial fax transmission system received with automatic reception, including MCU
Control module, Modem module, audio decoder, analog switch and DAA circuit modules, the Modem module, audio decoder,
Analog switch is connected with MCU control module respectively, and the Modem module is also connected with DAA circuit modules by analog switch；Institute
DAA circuit modules are stated for accessing public switch type telephone network；The audio decoder is electrically connected with the analog switch；
The MCU control module for Modem module Sending dialled number order so that Modem module is according to the dialing
Order is dialled；The Modem module generates CNG fax tone signals for the answer signal returned according to receiving terminal,
And public switch type telephone network is sent to by analog switch, DAA circuit modules, so that receiving terminal receives the CNG passing
True tone signal；The audio digital signals that the MCU control module is additionally operable to prestore are sent to audio decoder；It is described
Audio decoder for the audio digital signals are converted to audio analog signals and is sent to DAA circuits by analog switch
Module；The DAA circuit modules for the audio analog signals are sent to receiving terminal by public switch type telephone network,
So that receiving terminal receives the audio analog signals；The audio digital signals include the transmitting terminal Identity claims prerecorded
Speech audio.
Preferably, the analog switch includes control mouth, the first input port, the second input port and delivery outlet, the audio frequency
Decoder is electrically connected with second input port, and the Modem module is electrically connected with the first input port；The DAA circuits
Module is electrically connected with the delivery outlet；The MCU control module is electrically connected with the control mouth, the MCU control module
It is additionally operable to the switching of the first input port of analog switch and the second input port is controlled by control mouth.
Preferably, connected by the first digital bus interface between the MCU control module and Modem module；The MCU
Connected by the second digital bus interface between control module and audio decoder.
Preferably, first digital bus interface is RS232 interfaces or Local Bus interfaces, and second numeral is always
Line interface is IIS interfaces or AC97 interfaces or I2C interfaces or pcm interface.
Preferably, connected by electric level interface between the MCU control module and analog switch.
Preferably, the electric level interface is GPIO interface.
Compared to existing technology, the beneficial effects of the utility model are：This utility model is by Modem module provided
The audio digital signals for including transmitting terminal Identity claims that CNG fax tone signals and MCU control module are provided, are sent to and connect
Receiving end, uses continuous alternate mode to cause receiving terminal to receive CNG fax tone signals and audio analog signals (audio frequency simulation
Signal is converted by audio decoder by audio digital signals), simultaneously to adapt to the artificial reception pattern of receiving terminal and
Automatic reception mode, so as to improve the success rate of fax transmission.
Description of the drawings
One of construction module schematic diagram of an embodiment that Fig. 1 is provided for this utility model；
The two of the construction module schematic diagram of the embodiment that Fig. 2 is provided for this utility model；
One of operation principle schematic diagram of an embodiment that Fig. 3 is provided for this utility model；
The two of the operation principle schematic diagram of the embodiment that Fig. 4 is provided for this utility model.
In figure：1st, MCU control module；2nd, Modem module；3rd, audio coder；4th, analog switch；5th, DAA circuit modules；
6th, public switch type telephone network.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, this utility model is described further：
As shown in Figures 1 to 4, this utility model provides a kind of while adapting to the artificial fax transmission received with automatic reception
System, which includes MCU control module 1, Modem module 2, audio decoder 3, analog switch 4 and DAA circuit modules 5, described
Modem module 2, audio decoder 3, analog switch 4 are electrically connected with MCU control module 1 respectively, DAA circuit modules 5 with
Analog switch 4 is electrically connected with, and the audio decoder 3 is electrically connected with the analog switch 4.
The DAA circuit modules 5 are used to access fax telephone line, so that the automatic picture transmission system and public switch type
Telephone network 6 connects, and that is to say that Modem module 2 passes through analog switch 4, DAA circuit modules 5 and public switch type telephone network 6
Communication.MCU control module 1 is communicated by the first data bus interface with Modem module 2, and MCU control module 1 also passes through
Second data bus interface is communicated with audio decoder 3, first data bus interface can be RS232 interfaces,
Local Bus interfaces and other serials or parallel data bus interface.Second data bus interface can be IIS
The data bus interface of interface, AC97 interface pcm interfaces, I2C interfaces and other serial or parallels.In addition, MCU control module
1 is electrically connected with analog switch 4 by electric level interface with analog switch 4, the electric level interface can be GPIO interface, or
Other similar interfaces.MCU control module 1 is used for the working condition for controlling analog switch 4.
Preferably, the analog switch 4 includes the first input port a, the second input port b, delivery outlet c and control mouth d, described
Audio decoder 3 and the second input port b are electrically connected with, and the Modem module 2 and the first input port a are electrically connected with, DAA circuits
Module 5 is connected with delivery outlet c.The MCU control module 1 is electrically connected with control mouth d, for controlling the first input port a and the
The switching of two input port b, such that it is able to control the connection of Modem module 2 and audio decoder 3 and DAA circuit modules 5.
Operation principle：In fax transmission, can typically divide has several stages, such as dialing phase, call phase, data is activation
Stage etc..And in call phase, after needing transmitting terminal and receiving terminal to be confirmed each other identity, can just carry out data transmission.Therefore,
First, MCU control module 1 sends a Dial Number command to Modem module 2 so that Modem module 2 is carried out according to the Dial Number command
Dialing.After dial-up, receiving terminal returns an answer signal, and Modem module 2 can generate a CNG according to the answer signal and pass
True tone signal, passes sequentially through analog switch 4, DAA circuit modules 5, reaches public switch type telephone network 6, so that connecing
Receiving end receives CNG faxes tone signal (stage A as shown in Figure 3).The answer signal refers to the feature of closing of the circuit
Signal, such as ANSam answer signals, for representing receiving terminal and transmitting terminal dial-up.If receiving terminal is set to automatic reception
Pattern, then receiving terminal be capable of identify that CNG fax tone signals so that transmitting terminal is completed with the call phase of receiving terminal,
Can then carry out data transmission the stage.But when receiving terminal is artificial reception pattern, it is to recognize the CNG manually to answer
Fax tone signal, probably due to not knowing sender's identity and the rejection signal, causes to carry out data transmission.Even if
Also there is now the facsimile machine that verbal announcement function is sent in call phase, Modem module 2 is controlled by MCU control module 1 such as
A voice signal is sent to receiving terminal, but if receiving terminal is set to automatic reception mode, as receiving terminal can not be recognized
Verbal announcement, may think which is belonging to telephone service, and so as to be proceeded to answer phone etc., such transmitting terminal can not with receiving terminal
It is enough to set up connection, cause the transmission failure faxed.Effectively and accurately can not know for existing automated facsimile sends system
Other receiving terminal arranges any pattern, and particularly with substantial amounts of transformation task, the success rate of its fax can be substantially reduced.
Therefore, in order to adapt to when receiving terminal is set to automatic reception mode or is set to artificial reception pattern simultaneously,
The utility model proposes after Modem module 2 sends CNG fax tone signals to receiving terminal, being continued to connecing from audio decoder 3
Receiving end sends an audio analog signals, so sends CNG fax tone signals and audio frequency simulation by continuous alternate mode
Signal, no matter receiving terminal is set to artificial reception pattern or automatic reception mode, can ensure the transmission success faxed, from
And greatly improve fax success rate.In addition, the audio analog signals are by audio digital signals conversion by audio decoder 3
Come, the audio digital signals include the speech audio comprising transmitting terminal Identity claims prerecorded.What the Identity claims referred to
Be the identity of transmitting terminal, to that is to say and receiving terminal is informed with for example Chinese English of natural language, be who will send data.
That is to say：When Modem module 2 sends CNG fax tone signals to receiving terminal, MCU control module 1 is by control
Mouth d is controlled the first input port a and is connected with delivery outlet c so that Modem module 2 is communicated with DAA circuit modules 5.Due to the biography
The true switching for sending system by using MCU control module 1 couple of the first input port a and the second input port b, such that it is able to realize
Switching between the both of the communication, audio decoder 3 and DAA circuit modules 5 of Modem module 2 and DAA circuit modules 5,
That is to say realize Modem module 2 transmission CNG fax tone signal and audio decoder 3 send audio analog signals it
Between alternating send.Therefore, after Modem module 2 sends CNG fax tone signals to receiving terminal, MCU control module 1 passes through
The second input port b is connected by control mouth d with delivery outlet c, so that audio decoder 3 is communicated with DAA circuit modules 5.
After Modem module 2 sends CNG fax tone signals to receiving terminal, the digital audio for prestoring is believed by MCU control module 1
Number it is sent to audio decoder 3；The audio digital signals are converted to audio analog signals and are passed through by the audio decoder 3
Analog switch 4 is sent to DAA circuit modules 5, and then the audio analog signals are passed through public switch type by the DAA circuit modules 5
Telephone network 6 is sent to receiving terminal, so that receiving terminal receives the audio analog signals.When receiving terminal is set to artificial reception
During pattern, can hear that the report of audio analog signals, so as to know the identity of transmitting terminal, is connect so as to operate using the people of receiving terminal
Receiving end is set up with transmitting terminal and is connected, and completes the facsimile call stage (stage A as described in Figure 4).Finally, then the transmission faxed
Data phase can complete fax transmission, the fax transmission data no longer this (stage B as described in Figure 4) is discussed in detail.
This utility model is by, in automatic picture transmission system, being believed CNG fax single-tones respectively by way of alternately sending
Number, the audio analog signals that include transmitting terminal Identity claims be sent to receiving terminal such that it is able to while adapting to the people of receiving terminal
Work reception pattern and automatic reception mode, so as to improve the success rate of fax.
In addition, this utility model additionally provides the scheme of another replacement：By using MCU control module and Modem
Module sends CNG fax tone signals and speech audio analogue signal realizing continuous alternate mode, that is to say that CNG faxes are single
Message number can be sent to receiving terminal by Modem module, and speech audio digital signal can be sent to by MCU control module
Modem module, is then converted to speech audio analogue signal via Modem module and is sent to receiving terminal, so that the fax
Transmission system can adapt to the artificial reception pattern and automatic reception mode of receiving terminal simultaneously.
Or using MCU control module and audio decoder module realizing sending CNG faxes singly in continuous alternate mode
Message number and speech audio analogue signal, that is to say that CNG fax tone signals and speech audio digital signal are all controlled by MCU
Module is sent to audio decoder module, is then converted to CNG fax tone signals and speech audio mould via audio decoder module
Intend signal be sent to receiving terminal so that the fax transmission system can adapt to simultaneously the artificial reception pattern of receiving terminal and from
Dynamic reception pattern.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of this utility model claim
Within the scope of.
Claims (6)
1. a kind of at the same adapt to it is artificial receive and automatic reception fax transmission system, it is characterised in that control mould including MCU
Block, Modem module, audio decoder, analog switch and DAA circuit modules, the Modem module, audio decoder, simulation are opened
Pass is connected with MCU control module respectively, and the Modem module is also connected with DAA circuit modules by analog switch；The DAA
Circuit module is used to access public switch type telephone network；The audio decoder is electrically connected with the analog switch；
The MCU control module for Modem module Sending dialled number order so that Modem module is according to the Dial Number command
Dialled；The Modem module generates CNG fax tone signals for the answer signal returned according to receiving terminal, and leads to
Cross analog switch, DAA circuit modules and be sent to public switch type telephone network, so that receiving terminal receives the CNG fax lists
Message number；The audio digital signals that the MCU control module is additionally operable to prestore are sent to audio decoder；The audio frequency
Decoder for the audio digital signals are converted to audio analog signals and is sent to DAA circuit moulds by analog switch
Block；The DAA circuit modules for the audio analog signals are sent to receiving terminal by public switch type telephone network, from
And cause receiving terminal to receive the audio analog signals；The audio digital signals include the transmitting terminal Identity claims prerecorded
Speech audio.
2. the fax transmission system of artificial reception and automatic reception is adapted to as claimed in claim 1 simultaneously, it is characterised in that described
Analog switch includes control mouth, the first input port, the second input port and delivery outlet, the audio decoder and the described second input
Mouth is electrically connected with, and the Modem module is electrically connected with the first input port；The DAA circuit modules are electrical with the delivery outlet
Connection；The MCU control module is electrically connected with the control mouth, and the MCU control module is additionally operable to by control mouth control
The first input port of analog switch and the switching of the second input port.
3. the fax transmission system of artificial reception and automatic reception is adapted to as claimed in claim 1 simultaneously, it is characterised in that described
Connected by the first digital bus interface between MCU control module and Modem module；The MCU control module and audio decoder
Connected by the second digital bus interface between device.
4. the fax transmission system of artificial reception and automatic reception is adapted to as claimed in claim 3 simultaneously, it is characterised in that described
First digital bus interface is RS232 interfaces or Local Bus interfaces, second digital bus interface be IIS interfaces or
AC97 interfaces or I2C interfaces or pcm interface.
5. the fax transmission system of artificial reception and automatic reception is adapted to as claimed in claim 1 simultaneously, it is characterised in that described
Connected by electric level interface between MCU control module and analog switch.
6. the fax transmission system of artificial reception and automatic reception is adapted to as claimed in claim 5 simultaneously, it is characterised in that described
Electric level interface is GPIO interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035025.6U CN206077530U (en) | 2016-08-31 | 2016-08-31 | It is a kind of at the same adapt to it is artificial receive and automatic reception fax transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035025.6U CN206077530U (en) | 2016-08-31 | 2016-08-31 | It is a kind of at the same adapt to it is artificial receive and automatic reception fax transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077530U true CN206077530U (en) | 2017-04-05 |
Family
ID=58436822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621035025.6U Active CN206077530U (en) | 2016-08-31 | 2016-08-31 | It is a kind of at the same adapt to it is artificial receive and automatic reception fax transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206077530U (en) |
-
2016
- 2016-08-31 CN CN201621035025.6U patent/CN206077530U/en active Active
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