CN106210434B - It is a kind of to adapt to artificial reception and automatic received fax transmission system and method simultaneously - Google Patents
It is a kind of to adapt to artificial reception and automatic received fax transmission system and method simultaneously Download PDFInfo
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- CN106210434B CN106210434B CN201610794349.6A CN201610794349A CN106210434B CN 106210434 B CN106210434 B CN 106210434B CN 201610794349 A CN201610794349 A CN 201610794349A CN 106210434 B CN106210434 B CN 106210434B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32005—Automation of particular receiver jobs, e.g. rejecting unwanted calls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32037—Automation of particular transmitter jobs, e.g. multi-address calling, auto-dialing
- H04N1/32048—Auto-dialling or Auto-calling
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Facsimiles In General (AREA)
- Facsimile Transmission Control (AREA)
Abstract
Artificial reception and automatic received fax transmission system and method are adapted to simultaneously the invention discloses a kind of, the fax transmission system includes MCU control module, Modem module, audio decoder, analog switch and DAA circuit module, DAA circuit module is for accessing public switch type telephone network, so that the fax transmission system can be communicated by public switch type telephone network with receiving end.The present invention passes through while sending CNG fax tone signal and the audio analog signals comprising speech identity statement to receiving end, the fax transmission system is enabled to adapt to the artificial reception pattern and automatic reception mode of receiving end simultaneously, to improve the success rate of fax transmission.
Description
Technical field
The present invention relates to automatic picture transmission systems, more particularly to a kind of artificial reception of adaptation simultaneously and automatic received fax to send out
Send system and method.
Background technique
The 1.3.1 articles regulation in automated facsimile agreement ITU-T T.30 agreement: for automated facsimile terminal is included into non-words
Terminal class, it is necessary to send a CNG fax tone signal to route.Eventually because of the automatic caller during call setup and called fax
Twocouese route is held to send single-tone, if as soon as regular phone user inadvertently connect with a terminal, when will receive one persistently
Between sufficiently long tone signal, it is illustrated to be incorrect link.The 1.3.2 articles also provides: in addition, automatic speech notice can be used
To provide terminal iidentification.For example, should issue logical 0.5s immediately after transmitting terminal receives the signal of closing of the circuit, break 3s, and frequency is
Reception terminal is reminded in CNG (CallingTone) the fax tone signal of 1100Hz or verbal announcement, and transmitting terminal is that fax is exhaled
It cries.
But automatic picture transmission system at present on the market is generally only to issue CNG after the signal of closing of the circuit
(Calling Tone) fax tone signal, or verbal announcement is only issued in order to adapt to artificial reception pattern, so that transmitting terminal
Cannot adapt to receiving end simultaneously is that the case where manually answering or receive automatically, that is, will appear these situations: if receiving end is artificial
In the case where answering, if transmitting terminal only issues CNG (Calling Tone) fax tone signal, this signal is not understood manually,
It may refuse to provide reception signal because not knowing other side's identity, cause fax failure；If receiving end is set as receiving automatically
In the case where mode, if transmitting terminal only issues verbal announcement after the signal of closing of the circuit, receiving end will be cannot recognize that
Call intent may directly be hung up or be determined as that call forwarding to answer phone is caused fax failure by call.Due to
Current automatic picture transmission system can not accurate and effective to recognize receiving end be artificial reception pattern or automatic reception mode, such as
Fruit transmitting terminal and the mode of receiving end be not corresponding, is likely to result in the call failure of fax, loses so that facsimile data is sent
It loses.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide it is a kind of adapt to simultaneously it is artificial receive and
Automatic received fax transmission system, the fax transmission system in the prior art that is able to solve can not adapt to simultaneously receiving end and be
The problem of artificial reception pattern and automatic reception mode.
An object of the present invention is implemented with the following technical solutions:
Artificial reception and automatic received fax transmission system, including MCU control are adapted to simultaneously the present invention provides a kind of
Module, Modem module, audio decoder, analog switch and DAA circuit module, the Modem module, audio decoder, simulation
Switch is connect with MCU control module respectively, and the Modem module also passes through analog switch and connect with DAA circuit module；It is described
DAA circuit module is for accessing public switch type telephone network；The audio decoder and the analog switch are electrically connected；
The MCU control module is used for Modem module Sending dialled number order, so that Modem module is according to the dialing
Order is dialled；The answer signal that the Modem module is used to be returned according to receiving end generates CNG fax tone signal,
And public switch type telephone network is sent to by analog switch, DAA circuit module, so that receiving end receives CNG biography
True tone signal；The MCU control module is also used to pre-stored audio digital signals being sent to audio decoder；It is described
Audio decoder is for being converted to audio analog signals for the audio digital signals and being sent to DAA circuit by analog switch
Module；The DAA circuit module is used to send receiving end by public switch type telephone network for the audio analog signals,
So that receiving end receives the audio analog signals；The audio digital signals include the transmitting terminal Identity claims prerecorded
Speech audio.
Preferably, the analog switch includes the first input port, the second input port, delivery outlet and control mouth, the audio
Decoder and second input port are electrically connected, and the Modem module and the first input port are electrically connected；The DAA circuit
Module and the delivery outlet are electrically connected；The MCU control module and the control mouth are electrically connected, the MCU control module
It is also used to control the switching of analog switch the first input port and the second input port by control mouth.
Preferably, it is connected between the MCU control module and Modem module by the first digital bus interface；The MCU
It is connected between control module and audio decoder by the second digital bus interface.
Preferably, first digital bus interface is RS232 interface or Local Bus interface, and second number is total
Line interface is IIS interface or AC97 interface or pcm interface or I2C interface.
Preferably, it is connected between the MCU control module and analog switch by electric level interface.
Preferably, the electric level interface is GPIO interface
For overcome the deficiencies in the prior art, the second object of the present invention be to provide it is a kind of adapt to simultaneously it is artificial receive with
Automatic received facsimile transmission method, it is artificial reception pattern that receiving end can not be adapted to simultaneously in the prior art by, which being able to solve,
And the problem of automatic reception mode.
The second object of the present invention is implemented with the following technical solutions:
Artificial reception and automatic received facsimile transmission method are adapted to simultaneously the present invention also provides a kind of, are applied to such as
Adapted to while preceding described it is artificial receive and automatic received fax transmission system, the facsimile transmission method the following steps are included:
S1:MCU control module is to Modem Sending dialled number order, so that Modem module is dialled according to the Dial Number command
Number；
S2: working as dial-up, and Modem module receives the answer signal of receiving end return；
S3:Modem module generates CNG fax tone signal according to the answer signal and passes through analog switch, DAA electricity
Road module is sent to public switch type telephone network, so that CNG fax tone signal is sent to receiving end；
Pre-stored audio digital signals are sent to audio decoder by S4:MCU control module, so that audio decoder
The audio digital signals are converted into audio analog signals and are sent to DAA circuit module by analog switch；
S5: the DAA circuit module sends reception by public switch type telephone network for the audio analog signals
The call phase of fax is completed so that receiving end receives the audio analog signals in end；
S6:MCU control module controls Modem module and sends facsimile data, completes facsimile data transmission phase.
Compared with prior art, the beneficial effects of the present invention are: the present invention to pass through the CNG fax that provides Modem module
What tone signal and MCU control module provided includes the audio digital signals of transmitting terminal Identity claims, is sent to receiving end, makes
Making receiving end receive CNG fax tone signal and audio analog signals with continuous alternate mode, (audio analog signals are
Converted by audio digital signals by audio decoder), carry out while adapting to the artificial reception pattern of receiving end and connects automatically
Receipts mode, to improve the success rate of fax transmission.
Detailed description of the invention
Fig. 1 is one of the construction module schematic diagram of an embodiment provided by the invention；
Fig. 2 is the two of the construction module schematic diagram of an embodiment provided by the invention；
Fig. 3 is one of the operation principle schematic diagram of an embodiment provided by the invention；
Fig. 4 is the two of the operation principle schematic diagram of an embodiment provided by the invention；
Fig. 5 is the method flow diagram of an embodiment provided by the invention.
In figure: 1, MCU control module；2, Modem module；3, audio decoder；4, analog switch；5, DAA circuit module；
6, public switch type telephone network.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention:
As shown in Figures 1 to 4, artificial reception and automatic received fax transmission system are adapted to simultaneously the present invention provides a kind of
System comprising MCU control module 1, Modem module 2, audio decoder 3, analog switch 4 and DAA circuit module 5, it is described
Modem module 2, audio decoder 3, analog switch 4 are electrically connected with MCU control module 1 respectively, the DAA circuit module 5 with
Analog switch 4 is electrically connected, and the audio decoder 3 is electrically connected with the analog switch 4.
The DAA circuit module 5 is for accessing 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 module 5 and public switch type telephone network 6
Communication.MCU control module 1 is communicated with Modem module 2 by the first data bus interface, 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 interface,
Local Bus interface and other serial or parallel data bus interfaces.Second data bus interface can be IIS
Interface, AC97 interface, pcm interface, I2C interface and other serial or parallels data bus interface.In addition, MCU controls mould
Block 1 and analog switch 4 are electrically connected by electric level interface and analog switch 4, which can be GPIO interface, can also be with
It is other similar interface.MCU control module 1 is used to control the working condition of 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, and the Modem module 2 and the first input port a are electrically connected, DAA circuit
Module 5 is connect with delivery outlet c.The MCU control module 1 and control mouth d is electrically connected, for controlling the first input port a and the
The switching of two input port b, so as to control the connection of Modem module 2 Yu audio decoder 3 and DAA circuit module 5.
Working principle: in fax transmission, can generally divide has several stages, as dialing phase, call phase, data are sent
Stage etc..And in call phase, after needing transmitting terminal and receiving end to be confirmed each other identity, can just it carry out data transmission.Therefore,
Firstly, 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 end returns to 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 module 5, public switch type telephone network 6 is reached, so that connecing
Receiving end receives CNG fax tone signal (stage A as shown in Figure 3).The answer signal refers to the feature of closing of the circuit
Signal, such as " click " audio signal generated when ANSam answer signal or receiving end off-hook, for representing receiving end and sending
Hold dial-up.If receiving end is set as automatic reception mode, receiving end can recognize CNG fax tone signal, thus
So that transmitting terminal and the call phase of receiving end are completed, then can carry out data transmission the stage.But when receiving end is artificial receives
When mode, manually answering is that can not recognize CNG fax tone signal, probably due to not knowing sender's identity and rejection
The signal causes to carry out data transmission.Even if there are also the facsimile machine for sending verbal announcement function in call phase,
For example Modem module 2 is controlled by MCU control module 1 and sends a voice signal to receiving end, if but receiving end is set as oneself
When dynamic reception pattern, since receiving end can not identify verbal announcement, it may think that it is to belong to telephone service, thus by its turn
Enter answer phone etc., such transmitting terminal and receiving end can not establish connection, lead to the transmission failure of fax.For existing automatic
Fax transmission system can not effectively and accurately identify what mode receiving end is arranged, particularly with a large amount of transformation task,
Its success rate faxed will be greatly reduced.
Therefore, in order to adapt to be set as automatic reception mode when receiving end simultaneously or be set as artificial reception pattern,
The present invention proposes after sending CNG fax tone signal to receiving end in Modem module 2, is continued from audio decoder 3 to receiving end
An audio analog signals are sent, CNG fax tone signal and audio analog signals are sent by continuous alternate mode in this way,
Regardless of receiving end is set as artificial reception pattern or automatic reception mode, it can guarantee the transmission success of fax, thus greatly
It is big to improve fax success rate.In addition, the audio analog signals are to be converted audio digital signals by audio decoder 3,
The audio digital signals include the speech audio comprising transmitting terminal Identity claims prerecorded.The Identity claims refer to sending out
The identity of sending end that is to say and inform receiving end with natural language such as Chinese English, is who will send data.
That is to say: when Modem module 2 sends CNG fax tone signal to receiving end, MCU control module 1 passes through control
Mouth d controls the first input port a and connect with delivery outlet c, so that Modem module 2 is communicated with DAA circuit module 5.Due to the biography
The true switching for sending system by using MCU control module 1 to the first input port a and the second input port b, so as to realize
Switching between the communication of Modem module 2 and DAA circuit module 5, audio decoder 3 and the both of DAA circuit module 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 signal to receiving end, MCU control module 1 passes through
The second input port b is connect by control mouth d with delivery outlet c, so that audio decoder 3 is communicated with DAA circuit module 5.
After Modem module 2 sends CNG fax tone signal to receiving end, MCU control module 1 believes pre-stored digital audio
Number it is sent to audio decoder 3；The audio digital signals are converted to audio analog signals and passed through by the audio decoder 3
Analog switch 4 is sent to DAA circuit module 5, and then the audio analog signals are passed through public switch type by the DAA circuit module 5
Telephone network 6 is sent to receiving end, so that receiving end receives the audio analog signals.When receiving end is set as manually receiving
When mode, the casting of audio analog signals can be heard to know the identity of transmitting terminal, so that operation connects using the people of receiving end
Receiving end and transmitting terminal establish connection, complete facsimile call stage (stage A as described in Figure 4).Finally, the transmission faxed again
The transmission of fax can be completed in data phase, the fax transmission data no longer this (stage B as described in Figure 4) is discussed in detail.
The present invention is respectively faxed CNG tone signal, packet by way of alternately sending by automatic picture transmission system
Audio analog signals containing transmitting terminal Identity claims are sent to receiving end, so as to adapt to the artificial reception of receiving end simultaneously
Mode and automatic reception mode, to improve the success rate of fax.
As shown in figure 5, artificial reception and automatic received facsimile transmission method are adapted to simultaneously the present invention also provides a kind of,
Itself the following steps are included:
S1:MCU control module is to Modem Sending dialled number order, so that Modem module is dialled according to the Dial Number command
Number；
MCU control module first has to transmission one Dial Number command control Modem module and dials, and that is to say the dialing of fax
Stage.
S2: when dial-up, Modem module receives the answer signal of receiving end return；
When dial-up, receiving end can return to an answer signal to transmitting terminal, come so that receiving end is connect with transmitting terminal
Confirmation.
S3:Modem module generates CNG fax tone signal according to the answer signal and passes through analog switch, DAA circuit
Module is sent to public switch type telephone network, so that CNG fax tone signal is sent to receiving end；
Wherein, after dial-up, transmitting terminal and receiving end is needed to carry out the confirmation of identity, therefore Modem module is to connecing
Receiving end sends CNG fax tone signal, to show the identity of transmitting terminal to receiving end.When receiving end is set as receiving mould automatically
When formula, receiving end can recognize CNG fax tone signal, to confirm transmitting terminal identity.
Pre-stored audio digital signals are sent to audio decoder by S4:MCU control module, so that audio decoder
The audio digital signals are converted into audio analog signals and are sent to DAA circuit module by analog switch；
When receiving end is set as artificial reception pattern, receiving end is can not to recognize CNG fax tone signal, because
This, after Modem module sends CNG fax tone signal to receiving end, MCU control module believes pre-stored digital audio
Number it is sent to audio decoder, so that the audio digital signals are converted to audio analog signals and by simulating by audio decoder
Switch is sent to DAA circuit module.It include the transmitting terminal identity prerecorded in the pre-stored audio digital signals
The speech audio of statement, the audio digital signals can be converted to audio analog signals by audio decoder, pass through public exchange
Formula telephone network is sent to receiving end, so that receiving end is broadcasted.
S5: the DAA circuit module sends reception by public switch type telephone network for the audio analog signals
The call phase of fax is completed so that receiving end receives the audio analog signals in end；
Wherein, which is sent in public switch type telephone network by DAA circuit module, using public affairs
Switch type telephone network is sent to receiving end altogether.When receiving end is set as artificial reception pattern, people's energy of receiving end is used
(audio analog signals are converted by audio digital signals to the speech audio for enough understanding in the audio analog signals, therefore
Also include the speech audio of transmitting terminal Identity claims in the audio analog signals), it can be true using the people of receiving end to allow
Recognize the identity of transmitting terminal, make it establish connection with receiving end to operate transmitting terminal, completes the call phase of fax.
S6:MCU control module controls Modem module and sends facsimile data, completes facsimile data transmission phase.
This step is referred to that the data of fax are sent, the transmission data of fax is completed using existing technology.
The present invention by facsimile transmission system sent in a manner of continuous alternate caller single-tone CNG fax tone signal and
The artificial reception pattern and automatic reception mode of receiving end are come while being adapted to speech audio digital signal, improve fax at
Power.
In addition, the present invention also provides the schemes of another substitution: by using MCU control module and Modem module
To realize, continuously alternate mode sends CNG fax tone signal and speech audio analog signal, that is to say CNG fax single-tone letter
Number receiving end can be sent to by Modem module, speech audio digital signal can be sent to Modem mould by MCU control module
Then block is converted to speech audio analog signal via Modem module and is sent to receiving end, so that the fax transmission system
The artificial reception pattern and automatic reception mode of receiving end can be adapted to simultaneously.
Or realized using MCU control module and audio decoder module by it is continuous it is alternate in a manner of send CNG fax it is single
Sound signal and speech audio analog signal that is to say that CNG fax tone signal and speech audio digital signal all pass through MCU control
Module is sent to audio decoder module, is then converted to CNG fax tone signal and speech audio mould via audio decoder module
Quasi- signal is sent to receiving end so that the fax transmission system can adapt to simultaneously receiving end artificial reception pattern and from
Dynamic reception pattern.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (7)
1. a kind of adapt to artificial reception and automatic received fax transmission system simultaneously, which is characterized in that control mould including MCU
Block, Modem module, audio decoder, analog switch and DAA circuit module, the Modem module, audio decoder, simulation are opened
Pass is connect with MCU control module respectively, and the Modem module also passes through analog switch and connect with DAA circuit module；The DAA
Circuit module is for accessing public switch type telephone network；The audio decoder and the analog switch are electrically connected；
The MCU control module is used for Modem module Sending dialled number order, so that Modem module is according to the Dial Number command
It dials；The answer signal that the Modem module is used to be returned according to receiving end generates CNG fax tone signal, and leads to
Cross analog switch, DAA circuit module is sent to public switch type telephone network so as to receive CNG fax single for receiving end
Sound signal；The MCU control module is also used to pre-stored audio digital signals being sent to audio decoder；The audio
Decoder is for being converted to audio analog signals for the audio digital signals and being sent to DAA circuit mould by analog switch
Block；The DAA circuit module is used to send receiving end by public switch type telephone network for the audio analog signals, from
And receiving end is made to receive the audio analog signals；The audio digital signals include the transmitting terminal Identity claims prerecorded
Speech audio；Wherein, MCU control module is also used to control the work of analog switch, and then realizes Modem module and audio decoder
The switching of device, so that tone signal passes sequentially through DAA circuit module, public switch type telephone network is sent to and connects by CNG fax
After receiving end, then audio analog signals are passed sequentially through into DAA circuit module, public switch type telephone network is sent to receiving end.
2. adapting to artificial reception and automatic received fax transmission system simultaneously as described in claim 1, which is characterized in that described
Analog switch includes the first input port, the second input port, delivery outlet and control mouth, and the audio decoder and described second input
Mouth is electrically connected, and the Modem module and the first input port are electrically connected；The DAA circuit module and the delivery outlet are electrical
Connection；The MCU control module and the control mouth are electrically connected, and the MCU control module is also used to control by control mouth
The switching of analog switch the first input port and the second input port.
3. adapting to artificial reception and automatic received fax transmission system simultaneously as described in claim 1, which is characterized in that described
It is connected between MCU control module and Modem module by the first digital bus interface；The MCU control module and audio decoder
It is connected between device by the second digital bus interface.
4. adapting to artificial reception and automatic received fax transmission system simultaneously as claimed in claim 3, which is characterized in that described
First digital bus interface be RS232 interface or Local Bus interface, second digital bus interface be IIS interface or
AC97 interface or pcm interface or I2C interface.
5. adapting to artificial reception and automatic received fax transmission system simultaneously as described in claim 1, which is characterized in that described
It is connected between MCU control module and analog switch by electric level interface.
6. adapting to artificial reception and automatic received fax transmission system simultaneously as claimed in claim 5, which is characterized in that described
Electric level interface is GPIO interface.
7. a kind of adapt to artificial reception and automatic received facsimile transmission method simultaneously, it is applied to as claim 1-6 is any
One adapts to artificial receive and automatic received fax transmission system while described, which is characterized in that the facsimile transmission method
The following steps are included:
S1:MCU control module is to Modem Sending dialled number order, so that Modem module dials according to the Dial Number command；
S2: working as dial-up, and Modem module receives the answer signal of receiving end return；
S3:Modem module generates CNG fax tone signal according to the answer signal and passes through analog switch, DAA circuit mould
Block is sent to public switch type telephone network, so that CNG fax tone signal is sent to receiving end, then executes S4；
Pre-stored audio digital signals are sent to audio decoder by S4:MCU control module, so that audio decoder should
Audio digital signals are converted to audio analog signals and are sent to DAA circuit module by analog switch；
S5: the DAA circuit module sends receiving end by public switch type telephone network for the audio analog signals, from
And receiving end is made to receive the audio analog signals, complete the call phase of fax；
S6:MCU control module controls Modem module and sends facsimile data, completes facsimile data transmission phase.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610794349.6A CN106210434B (en) | 2016-08-31 | 2016-08-31 | It is a kind of to adapt to artificial reception and automatic received fax transmission system and method simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610794349.6A CN106210434B (en) | 2016-08-31 | 2016-08-31 | It is a kind of to adapt to artificial reception and automatic received fax transmission system and method simultaneously |
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| CN106210434A CN106210434A (en) | 2016-12-07 |
| CN106210434B true CN106210434B (en) | 2019-01-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044563A (en) * | 1990-02-21 | 1990-08-08 | 四川省乐山市无线电厂 | Facsimile machine/telephone set automatic forwarding method |
| CN2867750Y (en) * | 2004-12-29 | 2007-02-07 | 成都卫士通信息产业股份有限公司 | Wired phone/FAX automatic discerning and mutual controlling two in one cipherer |
| CN101287053A (en) * | 2008-04-21 | 2008-10-15 | 刘强 | Channel merging technique for voice facsimile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015002552A (en) * | 2013-06-18 | 2015-01-05 | キヤノン株式会社 | Image communication device and control method thereof |
-
2016
- 2016-08-31 CN CN201610794349.6A patent/CN106210434B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044563A (en) * | 1990-02-21 | 1990-08-08 | 四川省乐山市无线电厂 | Facsimile machine/telephone set automatic forwarding method |
| CN2867750Y (en) * | 2004-12-29 | 2007-02-07 | 成都卫士通信息产业股份有限公司 | Wired phone/FAX automatic discerning and mutual controlling two in one cipherer |
| CN101287053A (en) * | 2008-04-21 | 2008-10-15 | 刘强 | Channel merging technique for voice facsimile |
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| Publication number | Publication date |
|---|---|
| CN106210434A (en) | 2016-12-07 |
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