CN106792361A - A kind of telefax loudspeaker control system - Google Patents
A kind of telefax loudspeaker control system Download PDFInfo
- Publication number
- CN106792361A CN106792361A CN201710097217.2A CN201710097217A CN106792361A CN 106792361 A CN106792361 A CN 106792361A CN 201710097217 A CN201710097217 A CN 201710097217A CN 106792361 A CN106792361 A CN 106792361A
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- CN
- China
- Prior art keywords
- loudspeaker
- telefax
- voice
- main frame
- control system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
Abstract
The present invention relates to loudspeaker control system technical field, and in particular to a kind of telefax loudspeaker control system, control circuit, LAN, communication system, single-call DTE, PC series source of sound, voice module, input terminal and treatment main frame are included；It is connected with treatment main frame by LAN between input terminal of the invention, treatment main frame passes through holding wire and single-call DTE, single-call DTE can be connected by controlling circuit with main loudspeaker, or be directly connected with the loudspeaker of different zones by power amplifier, PC series sources of sound directly can be connected with single-call DTE, voice module is voice input module, voice module includes phonetic entry, voice signal conversion and voice transfer, communication system includes the conversion of optical networking system, firewall system and gateway protocol, and treatment main frame is connected by communication system with remote port.Remote control is realized in simple structure of the present invention, simple operation, safer with very strong creativeness.
Description
Technical field
The present invention relates to loudspeaker control system technical field, and in particular to a kind of telefax loudspeaker control system
System.
Background technology
The original paper that facsimile machine need to will send resolves into many small lists according to the order of regulation by optical scanning system
Unit, is then transformed into electric signal, amplified, coding or tune by the monochrome information of these minute cells by photoactor order
Channel is delivered to after system.Signal that receiver will be received amplifies, after decoding or demodulation, according to transmitter identical sweep speed and
Sequentially, recording the copy that form copies original paper.Facsimile machine can be divided into black and white facsimile machine and by occupancy frequency by its transmission color
Band can be divided into narrow band facsimile apparatus, wideband facsimile apparatus.1 document fascimile apparatus of speech channel is taken, according to different transmission speed and tune
Mode processed can be divided into following a few classes：1. double sideband modulation technology is used, every page of transfer rate about 6 minutes, a referred to as class machine；②
Using band compression technique, every page of transfer rate about 3 minutes, referred to as two class machines；3. using the numeral for reducing information source redundance
Treatment technology, every page of transfer rate about 1 minute, referred to as three class machines；4. can it is grid-connected with computer, can store information, transmission
Speed is close to real-time facsimile machine, it is determined as four class machines.Can be divided into weather chart facsimile apparatus, photograph facsimile equipment, file by purposes to pass
Prototype, newspaper facsimile system etc..The multiplex electrolysis of recording mode, electromagnetism, burn, take a picture, sensible heat and electrostatic recording etc..Loudspeaker is one
The energy transducer for electric signal being changed into acoustical signal is planted, the good and bad influence to tonequality of performance of loudspeaker is very big.Loudspeaker is in sound
It is a most weak device in the equipment of sound, and for acoustics, it is again a most important part.Loudspeaker
Species is various, and price differs greatly.Audio electric energy makes its cone or diaphragm vibration by electromagnetism, piezoelectricity or electrostatic effect
And produce resonance with the air of surrounding and send sound.At present, most electronic installation is all equiped with loudspeaker, to play sound
Message number.Loudspeaker generally also need collocation audio amplifier could operate.Audio amplifier is used to amplify simulated sound signal simultaneously
And drive the speaker.Audio amplifier is the conventional element of general consumer electronic device.However, audio amplifier is in switch
Will be produced along with sonic boom, its chief reason is caused to be input into isolation capacitance, output isolation capacitance, output stage discharge and recharge etc.
Voltage level change.In the patent document of Patent No. CN201210363998, a kind of loudspeaker control system is disclosed, its
Comprising a loudspeaker；One audio amplifier, is electrically connected at the loudspeaker, is used to drive the loudspeaker, audio amplifier tool
There are a closing contact and reference voltage input contact；One switching circuit a, first end of the switching circuit is electrically connected at
One second end of the closing contact and the switching circuit is electrically connected at reference voltage input contact；And a processor, electricity
Property be connected to the closing contact and the first end, when the processor exports a first voltage signal, the audio amplifier is caused
Can and the reference voltage input contact maintain a reference voltage, when the processor export a second voltage signal when, the message
Amplifier is disabled and the switching circuit makes reference voltage input contact be pulled low to low potential from the reference voltage.
Above-mentioned patent document controls opening for audio amplifier using switching circuit together with the closing contact of audio amplifier
Close.Thereby, you can sonic boom generation is prevented effectively from when audio amplifier shuts down.But for how to provide a simple structure,
Simple operation, realizes remote control, and safer telefax loudspeaker control system lacks technical solution.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the invention provides a kind of telefax loudspeaker control system, for solving
How a simple structure to be provided, and remote control is realized in simple operation, safer telefax loudspeaker control system
Problem.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
A kind of telefax loudspeaker control system, including facsimile machine and loudspeaker, it is characterised in that：Including control electricity
Road, LAN, communication system, single-call DTE, PC series source of sound, voice module, input terminal and treatment main frame, the input
It is connected with the treatment main frame by LAN between terminal, the treatment main frame passes through holding wire and the single-call DTE,
The single-call DTE can be connected by controlling circuit with main loudspeaker, or by power amplifier directly with the loudspeaker phase of different zones
Even, the PC series source of sound directly can be connected with the single-call DTE, and the voice module is voice input module, institute's predicate
Sound module includes phonetic entry, voice signal conversion and voice transfer, and the communication system includes optical networking system, fire wall system
System and gateway protocol conversion, the treatment main frame are connected by the communication system with remote port.
Preferably, the input terminal is the audio input end of the facsimile machine, and it is the audio signal that facsimile machine is received.
Preferably, the control circuit includes SCM system, work instruction, power supply, input system, phonetic incepting mould
Block, audio amplifier circuit and warning system.
Preferably, the work indicates the normal work for indicating SCM system, and the input system is for being input into
To SCM system, the warning system is used control signal for the circuit alarm that goes wrong.
Preferably, as long as audio amplifier circuit increase R3 can improve the gain of amplifier, in R3 two ends electricity in parallel
Hold C4, for providing high frequency low impedance path filtering, prevent high-frequency self-excitation.
Preferably, the J1 of the audio amplifier circuit is wire jumper, when J1 is connected, 1 pin ground connection, total power amplification work；
When J1 disconnects, 1 pin is VDD, and Micro Energy Lose shut-off, amplifier does not work.
Preferably, the wire jumper J2 of the audio amplifier circuit also can control amplifier work whether, when J2 disconnects ,+
IN ends make amplifier not work without bias current, and connection then works.
Preferably, fire wall and signal base station are provided with the LAN, the fire wall includes hardware components and software
Part.
(3) beneficial effect
It is connected with treatment main frame by LAN between input terminal of the invention, treatment main frame passes through holding wire and single-pass
Road terminal, single-call DTE can be connected by controlling circuit with main loudspeaker, or directly be raised one's voice with different zones by power amplifier
Device is connected, and PC series sources of sound directly can be connected with single-call DTE, and voice module is voice input module, and voice module includes language
Sound input, voice signal conversion and voice transfer, communication system turn including optical networking system, firewall system and gateway protocol
Change, treatment main frame is connected by communication system with remote port.Remote control is realized in simple structure of the present invention, simple operation, is more pacified
There is very strong creativeness entirely.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is control circuit theory diagrams of the invention；
Fig. 2 is audio amplifier circuit schematic diagram of the invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of telefax loudspeaker control system as shown in Fig. 1 and Tu, including facsimile machine and loudspeaker, its feature
It is：Including control circuit, LAN, communication system, single-call DTE, PC series source of sound, voice module, input terminal and place
Reason main frame, is connected by LAN between input terminal with treatment main frame, and treatment main frame is single by holding wire and single-call DTE
Channel end can be connected by controlling circuit with main loudspeaker, or be directly connected with the loudspeaker of different zones by power amplifier, PC
Serial source of sound directly can be connected with single-call DTE, and voice module is voice input module, and voice module includes phonetic entry, language
Message number is changed and voice transfer, and communication system includes the conversion of optical networking system, firewall system and gateway protocol, processes main frame
It is connected with remote port by communication system.
Input terminal is the audio input end of facsimile machine, and it is the audio signal that facsimile machine is received.
Control circuit includes that SCM system, work instruction, power supply, input system, speech reception module, audio amplify electricity
Road and warning system.
Work indicates the normal work for indicating SCM system, and input system is for being input into control signal to single-chip microcomputer
System, warning system is used for the circuit alarm that goes wrong.
As long as audio amplifier circuit increase R3 can improve the gain of amplifier, in R3 two ends shunt capacitance C4, for right
High frequency provides low impedance path filtering, prevents high-frequency self-excitation.
The J1 of audio amplifier circuit is wire jumper, when J1 is connected, 1 pin ground connection, total power amplification work；When J1 disconnects, 1
Pin is VDD, and Micro Energy Lose shut-off, amplifier does not work.
The wire jumper J2 of audio amplifier circuit also can control amplifier work whether, when J2 disconnects ,+IN ends are without bias current
Amplifier is set not work, connection then works.
Fire wall and signal base station are provided with LAN, fire wall includes hardware components and software section.
It is connected with treatment main frame by LAN between input terminal of the invention, treatment main frame passes through holding wire and single-pass
Road terminal, single-call DTE can be connected by controlling circuit with main loudspeaker, or directly be raised one's voice with different zones by power amplifier
Device is connected, and PC series sources of sound directly can be connected with single-call DTE, and voice module is voice input module, and voice module includes language
Sound input, voice signal conversion and voice transfer, communication system turn including optical networking system, firewall system and gateway protocol
Change, treatment main frame is connected by communication system with remote port.Remote control is realized in simple structure of the present invention, simple operation, is more pacified
There is very strong creativeness entirely.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (8)
1. a kind of telefax loudspeaker control system, including facsimile machine and loudspeaker, it is characterised in that：Including control electricity
Road, LAN, communication system, single-call DTE, PC series source of sound, voice module, input terminal and treatment main frame, the input
It is connected with the treatment main frame by LAN between terminal, the treatment main frame passes through holding wire and the single-call DTE,
The single-call DTE can be connected by controlling circuit with main loudspeaker, or by power amplifier directly with the loudspeaker phase of different zones
Even, the PC series source of sound directly can be connected with the single-call DTE, and the voice module is voice input module, institute's predicate
Sound module includes phonetic entry, voice signal conversion and voice transfer, and the communication system includes optical networking system, fire wall system
System and gateway protocol conversion, the treatment main frame are connected by the communication system with remote port.
2. telefax loudspeaker control system according to claim 1, it is characterised in that：The input terminal is institute
The audio input end of facsimile machine is stated, it is the audio signal that facsimile machine is received.
3. telefax loudspeaker control system according to claim 1, it is characterised in that：The control circuit includes
SCM system, work instruction, power supply, input system, speech reception module, audio amplifier circuit and warning system.
4. telefax loudspeaker control system according to claim 3, it is characterised in that：The work indicates to be used for
Indicating the normal work of SCM system, the input system is used to be input into control signal to SCM system, the alarm system
Unite and used for the circuit alarm that goes wrong.
5. telefax loudspeaker control system according to claim 3, it is characterised in that：The audio amplifier circuit
As long as increase R3 can improve the gain of amplifier, in R3 two ends shunt capacitance C4, for providing high frequency low impedance path filtering,
Prevent high-frequency self-excitation.
6. telefax loudspeaker control system according to claim 3, it is characterised in that：The audio amplifier circuit
J1 be wire jumper, when J1 is connected, 1 pin be grounded, total power amplification work；When J1 disconnects, 1 pin is VDD, and Micro Energy Lose is turned off,
Amplifier does not work.
7. telefax loudspeaker control system according to claim 3, it is characterised in that：The audio amplifier circuit
Wire jumper J2 also can control amplifier work whether, when J2 disconnects ,+IN ends make amplifier not work without bias current, connection
Then work.
8. telefax loudspeaker control system according to claim 1, it is characterised in that：It is provided with the LAN
Fire wall and signal base station, the fire wall include hardware components and software section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097217.2A CN106792361A (en) | 2017-02-22 | 2017-02-22 | A kind of telefax loudspeaker control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097217.2A CN106792361A (en) | 2017-02-22 | 2017-02-22 | A kind of telefax loudspeaker control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106792361A true CN106792361A (en) | 2017-05-31 |
Family
ID=58958926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710097217.2A Pending CN106792361A (en) | 2017-02-22 | 2017-02-22 | A kind of telefax loudspeaker control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106792361A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040091087A1 (en) * | 1996-08-13 | 2004-05-13 | Dan Kikinis | Electronic document answering machine |
| CN1575460A (en) * | 2001-08-22 | 2005-02-02 | 皮尔雷斯系统公司 | Output management system and method for enabling printing via wireless devices |
| CN1748407A (en) * | 2002-12-19 | 2006-03-15 | 詹姆斯·伯克 | System and method for routing voice/video/fax mail and viewing a fax document. |
| CN1893508A (en) * | 2005-06-27 | 2007-01-10 | 兄弟工业株式会社 | Facsimile equipment |
| CN1914893A (en) * | 2003-12-05 | 2007-02-14 | C.D.C.股份有限公司 | Method and apparatus for unified management of different type of communications over lan,wan and internet networks,using a web browser |
| US20110053610A1 (en) * | 1992-11-09 | 2011-03-03 | Adc Technology Inc. | Portable communicator |
| CN104272672A (en) * | 2012-04-30 | 2015-01-07 | 国际商业机器公司 | Providing services to virtual overlay network traffic |
-
2017
- 2017-02-22 CN CN201710097217.2A patent/CN106792361A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110053610A1 (en) * | 1992-11-09 | 2011-03-03 | Adc Technology Inc. | Portable communicator |
| US20040091087A1 (en) * | 1996-08-13 | 2004-05-13 | Dan Kikinis | Electronic document answering machine |
| CN1575460A (en) * | 2001-08-22 | 2005-02-02 | 皮尔雷斯系统公司 | Output management system and method for enabling printing via wireless devices |
| CN1748407A (en) * | 2002-12-19 | 2006-03-15 | 詹姆斯·伯克 | System and method for routing voice/video/fax mail and viewing a fax document. |
| CN1914893A (en) * | 2003-12-05 | 2007-02-14 | C.D.C.股份有限公司 | Method and apparatus for unified management of different type of communications over lan,wan and internet networks,using a web browser |
| CN1893508A (en) * | 2005-06-27 | 2007-01-10 | 兄弟工业株式会社 | Facsimile equipment |
| CN104272672A (en) * | 2012-04-30 | 2015-01-07 | 国际商业机器公司 | Providing services to virtual overlay network traffic |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |