CN207588847U - Data transmission circuit, data receiver circuit and device - Google Patents
Data transmission circuit, data receiver circuit and device Download PDFInfo
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- CN207588847U CN207588847U CN201721659275.1U CN201721659275U CN207588847U CN 207588847 U CN207588847 U CN 207588847U CN 201721659275 U CN201721659275 U CN 201721659275U CN 207588847 U CN207588847 U CN 207588847U
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Abstract
The utility model provides a kind of data transmission circuit, data receiver circuit and device, in the data transmission circuit, the first end of the primary coil of transformer is connected to the first power supply interface, the second end of the primary coil of transformer is respectively connected to the first end of current limliting module and the first end of the first capacitance, the first end of the secondary coil of transformer is connected to the second power supply interface, the second end of the secondary coil of transformer is connected to the first pin of transmission interface, the second pin ground connection of transmission interface；The second end of current limliting module and the second end of the first capacitance are connected to the input terminal of switch module；The output terminal ground connection of switch module, the control terminal of switch module are connected to main control chip；Main control chip, for when data transmission circuit is to transmission interface transmission data signal, control signal to be sent to the control terminal of switch module；Switch module, for the circuit pathways in the control signal for receiving main control chip transmission, being switched on or switched off between the input terminal of switch module and output terminal.
Description
Technical field
The utility model is related to a kind of electronic technology field more particularly to a kind of data transmission circuit, data receiver circuits
And device.
Background technology
At present, in the implementation distance signal transmission when, position residing for data sending device present position and data sink
It is usually separated by a distance between putting, data transmission circuit and data receiver circuit design it is whether suitable, it will influence signal
The stability and quality of transmission.
Utility model content
The utility model is intended to provide a kind of novel data transmission circuit and data receiver circuit, it is ensured that signal passes
Defeated stability and quality.
The main purpose of the utility model is that provide a kind of data transmission circuit.
The another object of the utility model is to provide a kind of data receiver circuit.
The another object of the utility model is to provide a kind of data sending device.
The another object of the utility model is to provide a kind of data sink.
The another object of the utility model is to provide a kind of data transmission device.
In order to achieve the above objectives, the utility model provides following technical scheme：
Scheme 1, a kind of data transmission circuit, including：For the first DC voltage is provided the first power supply interface, for carrying
For the second power supply interface of the second DC voltage, transmission interface, main control chip, transformer, current limliting module, the first capacitance and switch
Module, the transmission interface include the first pin and second pin；The first end of the primary coil of the transformer is connected to institute
The first power supply interface is stated, the second end of the primary coil of the transformer is respectively connected to first end and the institute of the current limliting module
The first end of the first capacitance is stated, the first end of the secondary coil of the transformer is connected to second power supply interface, the change
The second end of the secondary coil of depressor is connected to the first pin of the transmission interface, and the second pin of the transmission interface connects
Ground；The second end of the current limliting module and the second end of first capacitance are connected to the input terminal of the switch module；Institute
The output terminal ground connection of switch module is stated, the control terminal of the switch module is connected to the main control chip；The main control chip is used
In when the data transmission circuit is to the transmission interface transmission data signal, control is sent to the control terminal of the switch module
Signal processed；The switch module, for when receiving the control signal that the main control chip is sent, being switched on or switched off institute
State the circuit pathways between the input terminal of switch module and output terminal.
Scheme 2, the data transmission circuit according to scheme 1, the current limliting module include first resistor, the switching molding
Block includes metal-oxide-semiconductor or triode.
Scheme 3, a kind of data receiver circuit, including：Receiving interface, the first division module, voltage reduction module, the second partial pressure mould
Block, the second capacitance, filter module, comparator and main control chip, the receiving interface include the first pin and second pin；It is described
The first end of first division module and the first end of second capacitance are connected to the first pin of the receiving interface, described
The second pin ground connection of receiving interface；The second end of first division module and the second end of second capacitance are connected to
First common connection end, first common connection end are connected to the input terminal of the filter module, the filter module it is defeated
Outlet is connected to the negative input end of the comparator, the ground terminal ground connection of the filter module；First common connection end is also
It is connected to the input terminal of the voltage reduction module；The output terminal of the voltage reduction module is connected to the second common connection end, and described second
Common connection end is connected to the positive input terminal of the comparator；Second common connection end is additionally coupled to the second partial pressure mould
The first end of block；The second end ground connection of second division module；The comparator, for passing through in the data receiver circuit
When the receiving interface receives data-signal, the voltage of the positive input terminal is big with the voltage of the negative input end
Small and by the comparator output terminal exports comparison result signal to the main control chip；The main control chip connection
To the output terminal of the comparator, for receiving the comparison result signal of the output terminal of comparator output.
Scheme 4, the data receiver circuit according to scheme 3, first division module include second resistance, the drop
Die block includes diode, and second division module includes 3rd resistor.
Scheme 5, the data receiver circuit according to scheme 3, the filter module include：4th resistance and third electricity
Hold；The first end of 4th resistance is connected to the input terminal of the filter module, and the second end of the 4th resistance is connected to
The output terminal of the filter module；The first end of the third capacitance is connected to the output terminal of the filter module, the third
The second end of capacitance is connected to the ground terminal of the filter module.
Scheme 6, a kind of data sending device, including the data transmission circuit as described in scheme 1 or 2.
Scheme 7, a kind of data sink, including such as scheme 3-5 any one of them data receiver circuit.
Scheme 8, a kind of data transmission device, including the data transmission circuit as described in scheme 1 or 2 and as scheme 3-5 appoints
Data receiver circuit described in one.
Scheme 9, the device according to scheme 8, the transmission interface and the receiving interface be same interface, the hair
It is same pin, the second pin of the transmission interface and institute to send the first pin of interface and the first pin of the receiving interface
The second pin for stating receiving interface is same pin.
Scheme 10, the device according to scheme 8, the transmission interface and the receiving interface are distinct interface.
It, can be with through the above technical solutions, using new types of data transmission circuit provided by the utility model and receiving circuit
Ensure the stability and quality during signal transmission.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, without creative efforts, can also be according to these attached drawings for those of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 is a kind of schematic diagram of a kind of data transmission circuit that the utility model embodiment provides；
Fig. 2 is another schematic diagram of a kind of data transmission circuit that the utility model embodiment provides；
Fig. 3 is a kind of schematic diagram of a kind of data receiver circuit that the utility model embodiment provides；
Fig. 4 is another schematic diagram of a kind of data receiver circuit that the utility model embodiment provides；
Fig. 5 is a kind of structure diagram of a kind of data transmission device that the utility model embodiment provides.
Specific embodiment
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities
Apply example.Embodiment based on the utility model, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with attached drawing.
The present embodiment provides a kind of data transmission circuit, as shown in Figure 1, including：
For provide the first DC voltage the first power supply interface, for provide the second DC voltage second power supply connect
Mouth, transmission interface, main control chip, transformer T1, current limliting module, the first capacitance C1 and switch module, the transmission interface include
First pin and second pin；
The first end (1 foot of T1) of the primary coil of the transformer T1 is connected to first power supply interface, the change
The second end (2 feet of T1) of the primary coil of depressor T1 is respectively connected to the first end of the current limliting module and first capacitance
The first end of C1, the first end (3 feet of T1) of the secondary coil of the transformer T1 is connected to second power supply interface, described
The second end (4 feet of T1) of the secondary coil of transformer T1 is connected to the first pin of the transmission interface, the transmission interface
Second pin ground connection；
The second end of the current limliting module and the second end of the first capacitance C1 are connected to the defeated of the switch module
Enter end；
The output terminal ground connection GND of the switch module, the control terminal of the switch module are connected to the main control chip；
The main control chip, for when the data transmission circuit is to the transmission interface transmission data signal, to institute
The control terminal for stating switch module sends control signal；
The switch module, it is described for when receiving the control signal that the main control chip is sent, being switched on or switched off
Circuit pathways between the input terminal and output terminal of switch module.
In data transmission circuit provided in this embodiment, when switch module disconnects input terminal and the output of the switch module
During circuit pathways between end, the primary coil no current of transformer passes through, and the signal that transmission interface is sent out at this time is straight for first
Galvanic electricity presses corresponding signal, when switch module connects the circuit pathways between the input terminal and output terminal of the switch module,
The primary coil of transformer generates electric current, and then transformer to circuit pathways are formed between ground level in the primary coil of transformer
Secondary coil in also generate electric current, at this point, the signal that the secondary coil of transformer generates will be generated with the second DC voltage
Signal couple, formed different from the first DC voltage signal (this be different from the first DC voltage signal voltage value it is non-
Zero), main control chip sends corresponding control signal according to transmitted data, controls the closure or openness of switch module, and then
Alternately the corresponding signal of the first DC voltage and the signal different from the first DC voltage are sent out, that is, in number in transmission interface
During according to sending, transmission interface uses ac signal transmission data, for example, sending number using the corresponding signal of the first DC voltage
According to 1, using the signal transmission data 0 different from the first DC voltage；Or it is sent using the corresponding signal of the first DC voltage
Data 0, using the signal transmission data 1 different from the first DC voltage.New types of data transmission circuit provided in this embodiment, can
Stability and quality during ensureing that signal is sent.
In the present embodiment, due to transmission interface alternately the corresponding signal of the first DC voltage that sends out and different from first it is straight
The equal non-zero of voltage value of the signal of galvanic electricity pressure, that is, the equal non-zero of the voltage value of data-signal that transmission interface is sent out, with existing skill
It is compared in art in transmission data signal by the way that voltage value is pulled low to zero, on the one hand, can by the data-signal sent
To realize the continued power to data sink, on the other hand, the efficiency of data transmission can be improved, reduce data transmission
Take.
When using data transmission circuit transmission data provided in this embodiment, it is used to implement data transmission pin and is connected with
Second power supply interface, second power supply interface can be VCC, it is, it is to be connected to power supply to be used to implement data to send pin
On line, so as to both realize the transmission powered while also achieve data to data sending device on single line.
As a kind of optional realization method of the present embodiment, the signal that the secondary coil of transformer generates will be with the second direct current
The signal coupling that voltage generates, forms the signal different from the first DC voltage, can be formed higher than the first DC voltage
Signal or the signal for being less than the first DC voltage, demand can accordingly be set, herein not according to the difference of the application
It is restricted.
As a kind of optional realization method of the present embodiment, the main control chip is sent out to the control terminal of the switch module
Send control signal；For example, a kind of letter in high level and low level can be maintained under default conditions, at the control terminal of switch module
Number, switch module to be maintained to be in opening, circuit pathways disconnect at this time, when needing closure switch to connect circuit pathways
When, the control signal of transmission is another signal in high level and low level, and high level closure switch specifically may be used also
It is low level closure switch, the component type used when being realized according to switch module determines that this is not restricted.
As a kind of optional realization method of the present embodiment, above-mentioned data transmission circuit can be applied to middle Distance Transmission,
For example, a kind of illustrative application scenarios：Electronic equipment equipped with wireless card reader, the electronic equipment are sent equipped with above-mentioned data
Circuit, the scene separated by a distance for reading card image；It is, of course, also possible to applied in short range transmission, for example, electronics is set
Standby to be equipped with above-mentioned data transmission circuit and have two line communication interfaces, this is crossed two lines and leads between two such electronic equipments
The scene that letter interface carries out data transmission.This is not restricted.
As a kind of optional realization method of the present embodiment, as shown in Fig. 2, being supplied for providing the first of the first DC voltage
Electrical interface can be specifically the first power supply interface for being connected to DC power supply VCC；For providing the of the second DC voltage
Two power supply interfaces can be specifically the second power supply interface for being connected to chip operating voltage VDD.
As a kind of optional realization method of the present embodiment, voltage can be more than the second power supply interface at the first power supply interface
Locate voltage, can realize and amplify the signal of transmission, so as to fulfill the transmission of medium and long distance signal.For example, the first power supply interface
Place's voltage is 12v, and voltage is 5v at the second power supply interface.Certainly, according to the needs of practical application, voltage at the first power supply interface
Voltage at the second power supply interface can also be equal to or less than.
As a kind of optional realization method of the present embodiment, another schematic diagram of data transmission circuit as shown in Figure 2.
The current limliting module includes first resistor R1, for playing current-limiting protection when circuit forms access, avoids the effect of short circuit.It should
When first resistor is realized, a resistance or multiple parallel resistances or multiple series resistances can be included, this is not restricted.
As a kind of optional realization method of the present embodiment, another schematic diagram of data transmission circuit as shown in Figure 2.
The switch module includes metal-oxide-semiconductor Q1 or triode.For example, when switch module uses NMOS tube, the drain D pole of the NMOS tube is made
For the input terminal of the switch module, the output terminal of the source S pole of the NMOS tube as the switch module, the grid of the NMOS tube
Control terminal of the pole G poles as the switch module；For another example, when switch module uses PMOS tube, the source S pole conduct of the PMOS tube
The input terminal of the switch module, the output terminal of the drain D pole of the NMOS tube as the switch module, the grid of the NMOS tube
Control terminal of the G poles as the switch module；For another example, the switch module other can also can be realized open using triode etc.
The component of function is closed, is not limited herein.
As a kind of optional realization method of the present embodiment, in the first end and second end of the primary coil of the transformer
Between be also associated with burr filtering module, such as diode, for the burr signal generated in filtering circuit.Certainly, in circuit
During middle current signal stable, which can not also be set.
As a kind of optional realization method of the present embodiment, in the first end and second end of the secondary coil of the transformer
Between be connected with filter module, for example, inductance, resistance, diode or inductance, resistance and diode these three components are simultaneously
Connection etc..For the burr signal generated in filtering circuit.Certainly, in circuit current signal stable when, this can not also be set
Burr filtering module.
The present embodiment also provides a kind of data receiver circuit, as shown in figure 3, including：Receiving interface, the first division module,
Voltage reduction module, the second division module, the second capacitance C2, filter module, comparator A1 and main control chip, the receiving interface include
First pin and second pin；
The first end of first division module and the first end of the second capacitance C2 are connected to the receiving interface
The first pin, the receiving interface second pin ground connection；
The second end of first division module and the second end of the second capacitance C2 are connected to the first common connection
End, first common connection end are connected to the input terminal of the filter module, and the output terminal of the filter module is connected to institute
State the negative input end of comparator A1, the ground terminal ground connection GND of the filter module；
First common connection end is additionally coupled to the input terminal of the voltage reduction module；
The output terminal of the voltage reduction module is connected to the second common connection end, and second common connection end is connected to described
The positive input terminal of comparator A1；
Second common connection end is additionally coupled to the first end of second division module；
The second end ground connection GND of second division module；
The comparator A1, for when the data receiver circuit receives data-signal by the receiving interface,
The size for comparing the voltage of the positive input terminal and the voltage of the negative input end and the output terminal by the comparator A1
Comparison result signal is exported to the main control chip；
The main control chip is connected to the output terminal of the comparator A1, defeated for receiving the output terminal of the comparator A1
The comparison result signal gone out.
Data receiver circuit provided in this embodiment when the signal that receiving interface receives is ac signal, compares
What the positive input terminal of device received is also ac signal, and the negative input end of comparator is due to being equipped with filter module, can be to exchange
Electric signal is filtered to obtain direct current signal, thus, the negative input end of comparator will receive direct current signal.It is just defeated when comparator
When entering the voltage of AC signal that receives of termination and being more than the negative input end of comparator and receive the voltage of direct current signal, comparator is defeated
The comparison result signal gone out is high level, when the voltage for the AC signal that the positive input terminal of comparator receives is less than comparator
When negative input end receives the voltage of direct current signal, the comparison result signal of comparator output is low level, so as to fulfill data
The reception of signal.New types of data receiving circuit provided in this embodiment, it is ensured that stability and quality when signal receives.
As a kind of optional realization method of the present embodiment, as shown in figure 4, first division module includes second resistance
R2, the voltage reduction module include diode Q2, and second division module includes 3rd resistor R3.Data provided in this embodiment
Receiving circuit when receiving interface receives signal, can be incited somebody to action by the first division module, voltage reduction module and the second division module
The voltage of the signal received is dropped in the voltage range of comparator support, and then ensures that comparator can be normally carried out comparing,
To export comparison result signal.
As a kind of optional realization method of the present embodiment, as shown in figure 4, the filter module includes：4th resistance R4
With third capacitance C3；The first end of the 4th resistance R4 is connected to the input terminal of the filter module, the 4th resistance R4
Second end be connected to the output terminal of the filter module；The first end of the third capacitance C3 is connected to the filter module
Output terminal, the second end of the third capacitance C3 are connected to the ground terminal of the filter module.In the present embodiment, the filter module
More smooth DC signal can will be obtained after ac signal rectifying and wave-filtering.
As a kind of optional realization method of the present embodiment, as shown in figure 4, in the positive input terminal of the comparator A1 and defeated
Outlet is also associated with anti-shaking module, which includes resistance R6, for preventing circuit from shaking, certainly, is put down in circuit
Under the premise of steady, which can not also use setting.
The present embodiment also provides a kind of data sending device, including above-mentioned data transmission circuit shown in fig. 1 or fig. 2.It should
Data sending device can be information read device, such as card reader, the electronics that need to read information from electric signing tools are set
Standby (such as PC machine, mobile phone).
The present embodiment also provides a kind of data sink, including the data receiver circuit shown in above-mentioned Fig. 3 or 4.The number
Can be to carry the electronic equipment of information, such as smart card, electric signing tools etc. according to reception device.
The present embodiment also provides a kind of data transmission device, including above-mentioned data transmission circuit shown in fig. 1 or fig. 2 and
Data receiver circuit shown in above-mentioned Fig. 3 or 4.The data transmission device, for example, it may be the card reader and intelligence that cooperate
Card, can be host computer (such as PC machine, mobile phone etc.) and electric signing tools.
As a kind of optional realization method of the present embodiment, transmission interface and receiving interface are same interface, wherein, it is described
First pin of transmission interface and the first pin of the receiving interface are same pin, the second pin of the transmission interface and
The second pin of the receiving interface is same pin, for example, the data used in data transmission device as shown in Figure 5 are sent
In circuit and data receiver circuit, transmission interface and receiving interface realize that the coffret includes by the coffret in Fig. 5
First pin and second pin, wherein, for sending or receiving data-signal, second pin ground connection, which connects the first pin
First pin of mouth is used to implement the function of the first pin of transmission interface and the first pin of receiving interface, the coffret
Second pin is used to implement the function of the second pin of transmission interface and the second pin of receiving interface, is filled by the data transmission
Put can be in both threads pin on realize that data send and receive.
Meanwhile it in the device using data transmission circuit provided in this embodiment and data receiver circuit, is used to implement
The pin that data send and receive is connected with the second power supply interface, which can be VCC, it is, for real
The pin that existing data send and receive is to connect on the power line, so as to both realized to data transmission device on single line
Power supply also achieves sending and receiving for data simultaneously.
Certainly, the transmission interface and the receiving interface may be distinct interface, be carried out with specific reference to application demand
Setting.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It is combined in an appropriate manner in any one or more embodiments or example.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be construed as a limitation of the present invention, those of ordinary skill in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.The scope of the utility model is by appended scheme and its equivalent limits.
Claims (10)
1. a kind of data transmission circuit, which is characterized in that including：For providing the first power supply interface of the first DC voltage, using
In provide the second power supply interface of the second DC voltage, transmission interface, main control chip, transformer, current limliting module, the first capacitance and
Switch module, the transmission interface include the first pin and second pin；
The first end of the primary coil of the transformer is connected to first power supply interface, the primary coil of the transformer
Second end is respectively connected to the first end of the current limliting module and the first end of first capacitance, the secondary wire of the transformer
The first end of circle is connected to second power supply interface, and the second end of the secondary coil of the transformer is connected to the transmission and connects
First pin of mouth, the second pin ground connection of the transmission interface；
The second end of the current limliting module and the second end of first capacitance are connected to the input terminal of the switch module；
The output terminal ground connection of the switch module, the control terminal of the switch module are connected to the main control chip；
The main control chip, for when the data transmission circuit is to the transmission interface transmission data signal, being opened to described
The control terminal for closing module sends control signal；
The switch module, it is described for when receiving the control signal that the main control chip is sent, being switched on or switched off
Circuit pathways between the input terminal and output terminal of switch module.
2. data transmission circuit according to claim 1, which is characterized in that the current limliting module includes first resistor, institute
It states switch module and includes metal-oxide-semiconductor or triode.
3. a kind of data receiver circuit, which is characterized in that including：Receiving interface, the first division module, voltage reduction module, second point
Die block, the second capacitance, filter module, comparator and main control chip, the receiving interface include the first pin and second pin；
The first end of first division module and the first end of second capacitance are connected to the first of the receiving interface
Pin, the second pin ground connection of the receiving interface；
The second end of first division module and the second end of second capacitance are connected to the first common connection end, described
First common connection end is connected to the input terminal of the filter module, and the output terminal of the filter module is connected to the comparator
Negative input end, the filter module ground terminal ground connection；
First common connection end is additionally coupled to the input terminal of the voltage reduction module；
The output terminal of the voltage reduction module is connected to the second common connection end, and second common connection end is connected to the comparison
The positive input terminal of device；
Second common connection end is additionally coupled to the first end of second division module；
The second end ground connection of second division module；
The comparator, for when the data receiver circuit receives data-signal by the receiving interface, comparing institute
It states the size of the voltage of positive input terminal and the voltage of the negative input end and is compared by the output terminal output of the comparator
Consequential signal is to the main control chip；
The main control chip is connected to the output terminal of the comparator, for receiving the comparison of the output terminal of comparator output
Consequential signal.
4. data receiver circuit according to claim 3, which is characterized in that first division module includes the second electricity
Resistance, the voltage reduction module include diode, and second division module includes 3rd resistor.
5. data receiver circuit according to claim 3, which is characterized in that the filter module includes：4th resistance and
Third capacitance；
The first end of 4th resistance is connected to the input terminal of the filter module, and the second end of the 4th resistance is connected to
The output terminal of the filter module；
The first end of the third capacitance is connected to the output terminal of the filter module, and the second end of the third capacitance is connected to
The ground terminal of the filter module.
6. a kind of data sending device, which is characterized in that including data transmission circuit as claimed in claim 1 or 2.
7. a kind of data sink, which is characterized in that including such as claim 3-5 any one of them data receiver circuit.
8. a kind of data transmission device, which is characterized in that including data transmission circuit as claimed in claim 1 or 2 and as weighed
Profit requires 3-5 any one of them data receiver circuits.
9. device according to claim 8, which is characterized in that the transmission interface and the receiving interface connect to be same
Mouthful, wherein, the first pin of the transmission interface and the first pin of the receiving interface are same pin, the transmission interface
The second pin of second pin and the receiving interface be same pin.
10. device according to claim 8, which is characterized in that the transmission interface and the receiving interface connect for difference
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659275.1U CN207588847U (en) | 2017-12-01 | 2017-12-01 | Data transmission circuit, data receiver circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659275.1U CN207588847U (en) | 2017-12-01 | 2017-12-01 | Data transmission circuit, data receiver circuit and device |
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| Publication Number | Publication Date |
|---|---|
| CN207588847U true CN207588847U (en) | 2018-07-06 |
Family
ID=62735323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721659275.1U Active CN207588847U (en) | 2017-12-01 | 2017-12-01 | Data transmission circuit, data receiver circuit and device |
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| CN (1) | CN207588847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109582635A (en) * | 2018-11-14 | 2019-04-05 | 青岛海信日立空调系统有限公司 | HBS chip data sends compatible circuit |
| WO2019105338A1 (en) * | 2017-12-01 | 2019-06-06 | 天地融科技股份有限公司 | Data transmitting circuit and apparatus, and data receiving circuit and apparatus |
-
2017
- 2017-12-01 CN CN201721659275.1U patent/CN207588847U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105338A1 (en) * | 2017-12-01 | 2019-06-06 | 天地融科技股份有限公司 | Data transmitting circuit and apparatus, and data receiving circuit and apparatus |
| US11043982B1 (en) | 2017-12-01 | 2021-06-22 | Tendyron Corporation | Data transmitting circuit, data receiving circuit and data transferring apparatus |
| CN109582635A (en) * | 2018-11-14 | 2019-04-05 | 青岛海信日立空调系统有限公司 | HBS chip data sends compatible circuit |
| CN109582635B (en) * | 2018-11-14 | 2022-12-27 | 青岛海信日立空调系统有限公司 | HBS chip data transmission compatible circuit |
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