CN108631821A - A kind of digital signal generation device and digital communication system - Google Patents
A kind of digital signal generation device and digital communication system Download PDFInfo
- Publication number
- CN108631821A CN108631821A CN201710178843.4A CN201710178843A CN108631821A CN 108631821 A CN108631821 A CN 108631821A CN 201710178843 A CN201710178843 A CN 201710178843A CN 108631821 A CN108631821 A CN 108631821A
- Authority
- CN
- China
- Prior art keywords
- circuit
- digital signal
- surge current
- generation device
- control signal
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5412—Methods of transmitting or receiving signals via power distribution lines by modofying wave form of the power source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5483—Systems for power line communications using coupling circuits
- H04B2203/5487—Systems for power line communications using coupling circuits cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
A kind of digital signal generation device (200) and digital communication system.The digital signal generation device (200) includes supply port (204), the rectification circuit (201) for connecting supply port (204), the surge current generation circuit (202) for inputting connection rectification circuit (201) and the controller (203) being connected between supply port (204) and surge current generation circuit (202).The controller (203) is for alternately generating first control signal and second control signal.It is switched on when the surge current generation circuit (202) is for first receiving first control signal, and is ended when being subsequently received second control signal, thus execute a fast charging and discharging operation and generate surge current.The surge current is added on the waveform transmitted on power transmission cable, forms the carrier wave for carrying digital signal, and export outward by power transmission cable.
Description
Technical field
The present invention relates to fields of communication technology, more specifically to a kind of digital signal generation device and digital communication
System.
Background technology
Digital signal generation circuit type applied to field of communication technology is various, these digital signal generation circuits are total to
It is with defect：Circuit structure is more complex, and production cost is high, and not easy operation control.
Therefore, to promote digital communication technology popularizing, it is simple how to develop a kind of circuit structure, of low cost,
It quickly can generate and transmit the digital signal generation device of digital signal, it has also become technical problem urgently to be resolved hurrily in the industry.
Invention content
The technical problem to be solved in the present invention is the drawbacks described above for the prior art, provides a kind of circuit structure letter
It is single, of low cost, and can quickly generate digital signal and dexterously carry out the number of the transmission of digital signal using power transmission cable
Word signal generation device and digital communication system.
Technical solution is as follows used by the present invention solves above-mentioned technical problem：A kind of digital signal generation device is provided,
Surge current generation circuit, Yi Jilian including supply port, the rectification circuit of connection supply port, the connection rectification circuit
The controller being connected between supply port and the surge current generation circuit；Wherein：
The rectification circuit is used to the alternating current inputted through supply port being converted into direct current, and the direct current is carried
Supply the surge current generation circuit；
The controller is produced for alternately generating first control signal and second control signal, and to the surge current
Raw circuit sends first control signal and second control signal successively；
It is switched on when the surge current generation circuit is for receiving the first control signal that the controller is sent out, with
And end when receiving the second control signal that the controller is then sent out, it is produced to execute a fast charging and discharging operation
Raw surge current；
The surge current and the addition of waveforms transmitted on power transmission cable, form the carrier wave for carrying digital signal, and borrow
It is exported outward by power transmission cable.
In the above-mentioned digital signal generation device of the present invention, the controller is using power transmission cable as signal transmission matchmaker
It is situated between, exports the carrier wave for carrying digital signal outward by power transmission cable.
In the above-mentioned digital signal generation device of the present invention, the surge current generation circuit is described whole including being separately connected
Current circuit and the controller, for receive first control signal and first control signal effect under be switched on, and receive
Second control signal, and the switch sub-circuit ended under second control signal effect, and the connection switch sub-circuit,
The electric energy provided through the switch sub-circuit for when the switch sub-circuit is switched on, storing the rectification circuit, to
Surge current is generated, and when the switch sub-circuit ends, by the charge and discharge electronic circuit of the electric energy quick release of interim storage.
In the above-mentioned digital signal generation device of the present invention, the switch sub-circuit includes first switch pipe, and described first
Switching tube is silicon-controlled, field-effect tube, the one of which of triode, insulated gate bipolar transistor and relay.
In the above-mentioned digital signal generation device of the present invention, the first switch pipe is field-effect tube, the charge and discharge electronics
Circuit includes first resistor and is connected in parallel on first capacitance at first resistor both ends, wherein the rectification circuit is bridge rectifier electricity
Road has first input end and the second input terminal, and the first input end and the second input terminal are separately connected supply port, described
First output end connects the grid of first switch pipe, and the source electrode of first switch pipe connects described controller one end, the controller
The other end connects supply port, and first switch pipe drains while connecting second capacitance one end and one end of first resistor, the
Two capacitances and the other end of first resistor are all connected to the second output terminal of the rectification circuit.
In the above-mentioned digital signal generation device of the present invention, the controller is that microcontroller, application-specific integrated circuit, scene can
Program gate array, the one of which of central processing unit.
The present invention also provides a kind of digital communication systems, it is characterised in that：Dress is generated including digital signal as described above
It sets；
And the signal processing apparatus remotely being connect with the digital signal generation device by power transmission cable；Wherein：
The signal processing apparatus is for receiving the carrier wave that the digital signal generation device is transmitted through power transmission cable, and root
Carrier wave is demodulated and is obtained according to preset detection rule the digital signal of carrier wave carrying；
The detection rule is specific as follows：In each complete wave period of carrier wave, the signal processing apparatus
It often detects the half-wave waveform for not being superimposed surge current, then exports 0, or detect half destroyed for being superimposed surge current
Wave waveform, then export 1.
In the above-mentioned digital communication system of the present invention, the signal processing apparatus includes：
For being demodulated to the carrier wave transmitted through power transmission cable using the detection rule, the number of carrier wave carrying is obtained
The modulation-demodulation circuit of signal；And
It is connect with the modulation-demodulation circuit, the display circuit for showing the digital signal.
Implement digital signal generation device of the present invention and digital communication system, following advantageous effect can be reached：
The present invention proposes a kind of digital signal generation device that structure is simplified, which can
Surge current is generated by using easy switch on and off control mode, and by the current waveform of surge current and in power transmission cable
The alternating current of upper transmission carries out addition of waveforms, obtains carrying the carrier wave of digital signal through this modulation, and dexterously utilize transmission of electricity electricity
Cable exports the modulated carrier wave for carrying digital signal as transmission signal vector, by power transmission cable outward.Therefore, of the invention
For digital signal generation device is complicated compared to existing circuit structure and expensive various digital signal generation devices,
Extremely simple with circuit structure, easily operated control, it is of low cost, suitable for large-scale promotion application and to be conducive to number logical
Outstanding advantages of popularizing of letter technology.
Description of the drawings
With reference to the accompanying drawings and detailed description, digital signal generation device of the present invention and digital communication system are carried out
Illustrate, wherein：
Fig. 1 is the structure diagram for the digital signal generation device that a preferred embodiment of the present invention provides；
Fig. 2 is the structure diagram of the digital signal generation circuit included by digital signal generation device shown in FIG. 1；
Fig. 3 is the circuit diagram of digital signal generation circuit shown in Fig. 2；
Fig. 4 is the digital communication system that another preferred embodiment of the present invention provides, and the digital communication system includes Fig. 1 institutes
The digital signal generation device and signal processing apparatus shown；
Fig. 5 is the structure diagram for the signal processing apparatus that digital communication system shown in Fig. 4 includes.
Specific implementation mode
In order to make goal of the invention, technical solution and its technique effect of the present invention be more clear, below in conjunction with attached drawing and tool
Body embodiment, the present invention is described in more detail.It should be understood that specific implementation mode described in this specification is only
Merely to explaining the present invention, it is not intended to limit the present invention.
In order to which the various digital signal generation circuits for solving to be applied in the prior art digital communicating field are jointly existing
Circuit structure is complicated, operation and control is inconvenient, expensive technological deficiency, the innovation of the invention consists in that：A kind of circuit is provided
It is simple in structure, convenient digital signal generation device 200 is operated, which can be by easily opening
It closes control mode and generates surge current, and the alternating current transmitted on surge current and power transmission cable is subjected to addition of waveforms, generate
The carrier wave of digital signal is carried, and carries the carrier wave of digital signal using power transmission cable remote transmission, realizes digital signal
Quickly generate and dexterously utilize the technique effect of the remote transmission of power transmission cable progress digital signal.
I.e. the present invention is complicated and expensive for the circuit structure present in various digital generation circuits on the market
Technological deficiency provides a kind of carrier wave that can conveniently and efficiently generate and carry digital signal, and is realized and carried by power transmission cable
The digital signal generation device 200 of the remote transmission of wave, it is simple which has both circuit structure, cost
Cheap, operation facility is easily controllable, can be greatly promoted the universal outstanding advantages of the development of digital communication technology.
Embodiment one
The specific implementation of digital signal generation device 200 of the present invention is said below in conjunction with the accompanying drawings and the specific embodiments
It is bright：
As shown in Figure 1, Figure 2 and shown in Fig. 4, the present invention provides a kind of circuit structure is extremely simple, and can be conveniently and efficiently
It generates digital signal and is carried out the digital signal generation device 200 of the remote transmission of digital signal by means of power transmission cable.Wherein：
The signal generation device 200 includes the rectification circuit 201, defeated of supply port 204, input connection supply port 204
Enter to connect the surge current generation circuit 202 of the rectification circuit 201 and be connected to supply port 204 and surge current production
Controller 203 between raw circuit 202；Wherein：
The rectification circuit 201 is used to the alternating current inputted through supply port 204 being converted into direct current, and direct current is supplied
In the surge current generation circuit 202；
The controller 203 is produced for alternately generating first control signal and second control signal, and to the surge current
Raw circuit 202 sends first control signal and second control signal successively；
It is switched on when the surge current generation circuit 202 is for receiving the first control signal that the controller 203 is sent out,
And ended when receiving the second control signal that the control 203 is then sent out, thus execute a fast charging and discharging operation
And generate surge current；The surge current is added on the waveform transmitted on power transmission cable, is generated and is carried digital signal
Carrier wave is simultaneously exported by power transmission cable outward.
Preferably, which can outward be exported using power transmission cable as transmission signal vector by power transmission cable
Carry the carrier wave of digital signal.
Further, as shown in Fig. 2, the surge current generation circuit 202, which includes input, is separately connected the rectification circuit 201
And the controller 203, for receive first control signal and first control signal effect under be switched on, and receive second control
Signal processed, and the switch sub-circuit 2021 ended under second control signal effect, and input connect the switch sub-circuit
2021, when being switched on for the switch sub-circuit 2021, store the electricity that the rectification circuit 201 is provided through the switch sub-circuit 2021
Can, to generate surge current, and when the switch sub-circuit 2021 ends, by the charge and discharge of the electric energy quick release of interim storage
Electronic circuit 2022.
Wherein, which is specifically used for by specific coding rule control surge current generation circuit in transmission of electricity electricity
The surge current that ad hoc rules is generated on cable, to which digital signal to be superimposed upon on the waveform of power transmission cable.
When long-range signal processing apparatus 100 receives the carrier wave transmitted through power transmission cable, advised by preset detection
Then carrier wave is demodulated, reduction obtains the digital signal of carrier wave carrying.
The default detection rule is described in detail below：Each the complete waveform week of signal processing apparatus 100 in carrier wave
In phase, the half-wave waveform for not being superimposed surge current, output 0 are often detected, or detect and be superimposed being destroyed for surge current
Half-wave waveform, then export 1.
Below in conjunction with attached drawing 3, the particular circuit configurations of digital signal generation device 200 of the present invention are illustrated：
As shown in figure 3, the switch sub-circuit 2021 includes first switch pipe M1O, which includes the
One resistance R14 and the first capacitance C12 for being connected in parallel on the both ends first resistor R14.Wherein, the first input end of the rectification circuit 201
And second input terminal be separately connected supply port 204, the first output end of the rectification circuit 201 connection first switch pipe M1O's
The source electrode of grid, first switch pipe M10 connects 203 one end of controller, which connects supply port 204,
First switch pipe M10 drain electrode simultaneously connection second one end capacitance C12 and first resistor R14 one end, the second capacitance C12 and
The other end of first resistor R14 is all connected with the second output terminal of the rectification circuit 201.
Preferably, first switch pipe M10 is silicon-controlled, field-effect tube, triode, insulated gate bipolar transistor
The one of which of (Insulated Gate Bipolar Translator) and relay.
The controller 203 is microcontroller (Micro Control Unit), application-specific integrated circuit (Application
Specific Integrated Circuit), field programmable gate array (Field Programmable Gate Array),
And the one of which of central processing unit (Central Processing Unit).
Preferably, the chip model of the first switch pipe is SPD06N80C3_L1.
In conjunction with the circuit structure of attached digital signal generation circuit shown in Fig. 3, to digital signal generation device of the present invention
200 digital signal generating principles are described below：
When digital signal generation device 200 of the present invention is powered on, first time interval T of the controller 203 in setting
Open signal/cut-off signals are inside alternately generated, and open signal/cut-off signals are alternately sent to first switch pipe M10.When
When first switch pipe M10 receives the open signal that controller 203 is sent out, it is switched under open signal effect.At this point, rectified current
Road 201 is charged by M10 couples of the second capacitance C12 of first switch pipe, and surge current is generated on power transmission cable；And when first
When switching tube M10 receives the cut-off signals that controller 203 is then sent out, ended under cut-off signals effect.At this point, rectification
Supply access is cut off between circuit 201 and charge and discharge electronic circuit 2022, and the second capacitance C12 is quick by the electric energy of its interim storage
Release, to get ready for the charging (generating surge current again) of next time.The electric energy of second capacitance C12 releases is by first
Resistance R14 is consumed.
In short, the present invention controls the shutdown of first switch pipe M10 by controller 203 by specific coding rule,
Surge current corresponding with coding rule is generated on power transmission cable, and this surge current is superimposed upon on power transmission cable and is transmitted
Alternating current sinusoidal waveform on, through this modulation obtain carry digital signal carrier wave, and using service cable as signal biography
Defeated medium carries the carrier wave of digital signal by service cable to the external output of signal processing apparatus 100.
The signal processing apparatus 100 of distal end receives the carrier wave transmitted through service cable, by preset detection rule to carrying
Wave is demodulated, and the digital signal of carrier wave carrying is obtained.
The detection rule is described in detail below：In each complete wave period of carrier wave, signal processing apparatus 100
It often detects the half-wave waveform for not being superimposed surge current, output 0, or detects the half-wave destroyed for being superimposed surge current
Waveform then exports 1.
In conclusion the present invention proposes a kind of digital signal generation device that circuit structure is simplified 200, the number
Signal generation device 200 can generate surge current by using easy switch on and off control mode, and by surge current
Current waveform and the alternating current transmitted on power transmission cable carry out addition of waveforms, obtain carrying the load of digital signal through this modulation
Wave, and dexterously using power transmission cable as transmission signal vector, export modulated carrying number outward by power transmission cable
The carrier wave of signal.Therefore, digital signal generation device 200 of the present invention is complicated and expensive compared to existing circuit structure
Various digital signal generation devices 200, it is simple, easily operated with circuit structure to control, is of low cost, being suitable for large-scale promotion
Using being conducive to outstanding advantages of popularizing of digital communication technology.
Embodiment two
Based on Fig. 1 to digital signal generation device 200 shown in Fig. 3, the invention also provides one kind can realize remotely
The digital communication system of digital data transmission.Fig. 1 to Fig. 4 is referred to, which includes：
The digital signal generation device 200 for the carrier wave for carrying digital signal can conveniently and efficiently be generated；And
It is connect with the digital signal generation device 200 by power transmission cable and realizes the signal processing apparatus of telecommunication
100.Wherein：
The signal generation device 200 includes the rectification circuit 201, defeated of supply port 204, input connection supply port 204
Enter to connect the surge current generation circuit 202 of the rectification circuit 201 and be connected to supply port 204 and surge current production
Controller 203 between raw circuit 202；
The rectification circuit 201 is used to the alternating current inputted through supply port 204 being converted into direct current, and direct current is supplied
In the surge current generation circuit 202；
The controller 203 is produced for alternately generating first control signal and second control signal, and to the surge current
Raw circuit 202 sends first control signal and second control signal successively；
It is switched on when the surge current generation circuit 202 is for receiving the first control signal that the controller 203 is sent out,
And end when receiving the second control signal that the controller 203 is then sent out, thus execute a fast charging and discharging operation
And generate surge current.The surge current is added on the waveform transmitted on power transmission cable, is formed and is carried digital signal
Carrier wave, and exported outward by power transmission cable.
Preferably, which can be using power transmission cable as transmission signal vector, by power transmission cable to the signal
The output of processing unit 100 carries the carrier wave of digital signal.
The signal processing apparatus 100 is specifically used for detecting the load that the digital signal generation device 200 is transmitted through power transmission cable
Wave, and carrier wave is demodulated according to preset detection rule to obtain the digital signal of carrier wave carrying；
The detection rule is described in detail below：In each complete wave period of carrier wave, the signal processing apparatus
100 often detect the half-wave waveform for not being superimposed surge current, output 0, or detect and be superimposed being destroyed for surge current
Half-wave waveform, then export 1.
Preferably, the digital signal which carries characterizes the current working status of the digital signal generation device 200, or
Characterize the control command that the digital signal generation device 200 is sent out.
Preferably, which can be the information processing unit that any one carries modulation /demodulation function,
Such as computer, server, mobile terminal etc..
Further, as shown in figure 5, the signal processing apparatus 100 includes：
For being demodulated to the carrier wave transmitted through power transmission cable using above-mentioned detection rule, the number of carrier wave carrying is obtained
The modulation-demodulation circuit 101 of signal；And
It is connect with the modulation-demodulation circuit 101, the display circuit 102 for showing the digital signal carried in the carrier wave.
Shown in sum up, the present invention also provides one kind can be dexterously using power transmission cable as transmission medium, in number
The digital communication system of telecommunication is realized between word signal generation device 200 and information processing unit 100.The digital communication department
System has simple, at low cost, the easy to spread universal outstanding advantages of system structure.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.In addition, although having used some specific terms in this specification, this
A little terms merely for convenience of description, do not limit the present invention in any way.
Claims (8)
1. a kind of digital signal generation device (200) includes the rectification circuit of supply port (204), connection supply port (204)
(201), connect the surge current generation circuit (202) of the rectification circuit (201) and be connected to supply port (204) with
Controller (203) between the surge current generation circuit (202)；Wherein：
The rectification circuit (201) is used to the alternating current inputted through supply port (204) being converted into direct current, and will be described straight
Galvanic electricity is supplied to the surge current generation circuit (202)；
The controller (203) is for alternately generating first control signal and second control signal, and to the surge current
Generation circuit (202) sends first control signal and second control signal successively；
The surge current generation circuit (202) is for quilt when receiving the first control signal that the controller (203) is sent out
End when being connected, and receiving the second control signal that the controller (203) is then sent out, thus executes and once quickly fill
Discharge operation and generate surge current；
The surge current is added on the waveform transmitted on power transmission cable, generate carry digital signal carrier wave and by
Power transmission cable exports outward.
2. digital signal generation device (200) according to claim 1, it is characterised in that：The controller (203) utilizes
Power transmission cable exports the carrier wave for carrying digital signal by power transmission cable outward as transmission signal vector.
3. digital signal generation device (200) according to claim 1, it is characterised in that：The surge current generates electricity
Road (202) includes being separately connected the rectification circuit (201) and the controller (203), for receiving first control signal simultaneously
It is switched under first control signal effect, and receives second control signal, and ended under second control signal effect
Switch sub-circuit (2021), and the connection switch sub-circuit (2021) is used in switch sub-circuit (2021) quilt
When conducting, the electric energy that the rectification circuit (201) is provided through the switch sub-circuit (2021) is stored, to generate surge electricity
Stream, and when the switch sub-circuit (2021) is ended, by the charge and discharge electronic circuit of the electric energy quick release of interim storage
(2022)。
4. digital signal generation device (200) according to claim 1, it is characterised in that：The switch sub-circuit
(2021) include first switch pipe (M1O), the first switch pipe (M10) is silicon-controlled, field-effect tube, triode, insulated gate
The one of which of bipolar transistor (Insulated Gate Bipolar Translator) and relay.
5. digital signal generation device (200) according to claim 4, it is characterised in that：The first switch pipe (M10)
For field-effect tube, the charge and discharge electronic circuit (2022) includes first resistor (R14) and is connected in parallel on the both ends first resistor (R14)
First capacitance (C12), wherein the rectification circuit (201) is bridge rectifier, has first input end and the second input
End, the first input end and the second input terminal are separately connected supply port (204), and first output end connects first switch
The grid of (M1O) is managed, the source electrode of first switch pipe (M10) connects described controller (203) one end, and the controller (203) is another
One end connects supply port (204), and the drain electrode of first switch pipe (M10) connects the second capacitance one end (C12) and first simultaneously
The other end of one end of resistance (R1), the second capacitance (C12) and first resistor (R14) is all connected to the rectification circuit (201)
Second output terminal.
6. digital signal generation device (200) according to claim 2, it is characterised in that：The controller (203) is single
Piece machine (Micro Control Unit), application-specific integrated circuit (Application Specific Integrated
Circuit), field programmable gate array (Field Programmable Gate Array), central processing unit (Central
Processing Unit) one of which.
7. a kind of digital communication system, it is characterised in that：It include the digital signal generation as described in any in claim 1 to 6
Device (200)；And
The signal processing apparatus (100) remotely being connect with the digital signal generation device (200) by power transmission cable；Wherein：
The signal processing apparatus (100) is for receiving the load that the digital signal generation device (200) is transmitted through power transmission cable
Wave, and according to preset detection rule to carrier wave demodulated and obtain carrier wave carrying digital signal；
The detection rule is specific as follows：In each complete wave period of carrier wave, the signal processing apparatus (100)
It often detects the half-wave waveform for not being superimposed surge current, then exports 0, or detect half destroyed for being superimposed surge current
Wave waveform, then export 1.
8. system according to claim 7, it is characterised in that：The signal processing apparatus (100) includes：
For being demodulated to the carrier wave transmitted through power transmission cable using the detection rule, the digital signal of carrier wave carrying is obtained
Modulation-demodulation circuit；And
It is connect with the modulation-demodulation circuit, the display circuit for showing the digital signal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178843.4A CN108631821A (en) | 2017-03-23 | 2017-03-23 | A kind of digital signal generation device and digital communication system |
| PCT/CN2018/079739 WO2018171612A1 (en) | 2017-03-23 | 2018-03-21 | Digital signal generating apparatus and digital communication system |
| GB1913948.4A GB2574565B (en) | 2017-03-23 | 2018-03-21 | Digital signal generating apparatus and digital communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178843.4A CN108631821A (en) | 2017-03-23 | 2017-03-23 | A kind of digital signal generation device and digital communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108631821A true CN108631821A (en) | 2018-10-09 |
Family
ID=63585036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710178843.4A Pending CN108631821A (en) | 2017-03-23 | 2017-03-23 | A kind of digital signal generation device and digital communication system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108631821A (en) |
| GB (1) | GB2574565B (en) |
| WO (1) | WO2018171612A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404638A (en) * | 2019-12-16 | 2020-07-10 | 王振江 | Digital signal transmission method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531178B (en) * | 2022-01-28 | 2023-03-21 | 珠海昇生微电子有限责任公司 | Charging and bidirectional communication system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169630A (en) * | 2009-01-26 | 2010-08-05 | Shindengen Electric Mfg Co Ltd | Surge tester |
| CN202033430U (en) * | 2011-01-06 | 2011-11-09 | 浙江瑞德电子科技有限公司 | Surge interfering signal generator |
| CN103248339A (en) * | 2013-04-24 | 2013-08-14 | 深圳市中电华星电子技术有限公司 | High energy surge rectangular-wave signal generation circuit |
| CN105992419A (en) * | 2015-03-04 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system, and zero-crossing switched-on detection method and device of switch tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1128162A (en) * | 1977-11-17 | 1982-07-20 | Paul E. Belcher | Remote ac power control with control pulses at the zero crossing of the ac wave |
| US5691691A (en) * | 1997-01-06 | 1997-11-25 | Motorola, Inc. | Power-line communication system using pulse transmission on the AC line |
-
2017
- 2017-03-23 CN CN201710178843.4A patent/CN108631821A/en active Pending
-
2018
- 2018-03-21 GB GB1913948.4A patent/GB2574565B/en active Active
- 2018-03-21 WO PCT/CN2018/079739 patent/WO2018171612A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169630A (en) * | 2009-01-26 | 2010-08-05 | Shindengen Electric Mfg Co Ltd | Surge tester |
| CN202033430U (en) * | 2011-01-06 | 2011-11-09 | 浙江瑞德电子科技有限公司 | Surge interfering signal generator |
| CN103248339A (en) * | 2013-04-24 | 2013-08-14 | 深圳市中电华星电子技术有限公司 | High energy surge rectangular-wave signal generation circuit |
| CN105992419A (en) * | 2015-03-04 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system, and zero-crossing switched-on detection method and device of switch tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404638A (en) * | 2019-12-16 | 2020-07-10 | 王振江 | Digital signal transmission method |
| CN111404638B (en) * | 2019-12-16 | 2022-10-04 | 王振江 | Digital signal transmission method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2574565B (en) | 2022-03-16 |
| GB2574565A (en) | 2019-12-11 |
| GB201913948D0 (en) | 2019-11-13 |
| WO2018171612A1 (en) | 2018-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107664969B (en) | Intelligent double-control switch and control system and the control method of control system work | |
| CN102823111B (en) | Power transmitting device, and waveform monitoring circuit used in same | |
| CN105162228A (en) | Intelligent charger and charging control circuit thereof | |
| CN204559536U (en) | Commutation circuit and charging device | |
| EP3258424B1 (en) | Electronic equipment | |
| CN203894394U (en) | Power supply circuit and electronic apparatus provided with current monitoring function | |
| CN105491473A (en) | Bluetooth earphone with continuous power supply | |
| CN108631821A (en) | A kind of digital signal generation device and digital communication system | |
| CN105937863A (en) | Communication circuit and method of electronic detonator | |
| CN106793314A (en) | Lamp light control system based on POE and infrared induction technology | |
| CN103425220B (en) | A kind of Power control module, device and equipment | |
| CN104269709A (en) | Quick charge adapter connector and control method thereof, and electronic devices | |
| CN105160862A (en) | M-BUS (METER-BUS) slave communication circuit | |
| CN205430550U (en) | Last bluetooth headset of power supply | |
| CN110492569A (en) | Mobile power source and its control method, device | |
| CN105701049B (en) | System, method, apparatus and the mobile terminal of charge flag position is written | |
| CN205679145U (en) | A kind of communicating circuit of electric detonator | |
| CN207967989U (en) | A kind of charging circuit and charger for lithium battery | |
| CN209217749U (en) | Wireless charger | |
| CN209184265U (en) | Vehicle-mounted wireless charging device | |
| CN207490566U (en) | For the mobile power of fan for cooling clothes | |
| CN206370678U (en) | A kind of USB interface of computer output voltage detects protection circuit | |
| CN205721154U (en) | A kind of food processing machine control circuit | |
| CN206804177U (en) | The temperature and/or vibration detection device of a kind of high-voltage motor | |
| CN204559245U (en) | A kind of distribution terminal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20181009 |