CN207559230U - A kind of HDMI transmitting devices with intelligent display - Google Patents
A kind of HDMI transmitting devices with intelligent display Download PDFInfo
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- CN207559230U CN207559230U CN201721269899.2U CN201721269899U CN207559230U CN 207559230 U CN207559230 U CN 207559230U CN 201721269899 U CN201721269899 U CN 201721269899U CN 207559230 U CN207559230 U CN 207559230U
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Abstract
The utility model is related to a kind of HDMI transmitting devices with intelligent display, including transmitting terminal, receiving terminal and optoelectronic composite cable for connecting transmitting terminal and receiving terminal, transmitting terminal and receiving terminal include the processing circuit of shell and setting inside the shell.Processing circuit includes information conversion circuit, MCU, current detection circuit, indicating circuit, current direction detection circuit and voltage conversion circuit, and MCU is electrically connected respectively with current detection circuit, indicating circuit, current direction detection circuit and voltage conversion circuit point；It is equipped with through-hole on shell, the indicator light in indicating circuit is arranged in through-hole.The HDMI transmitting devices of the utility model, by setting the indicating circuit in transmitting terminal and receiving terminal is comparable more conveniently to be distinguished to transmitting terminal and receiving terminal, personnel easy to use judge whether installation is correct in time, simultaneously, different types of transmission signal can effectively be distinguished according to the state of indicating circuit, user is facilitated effectively to distinguish different cables, improves the usage experience of user.
Description
Technical field
The utility model is related to field of communication technology more particularly to a kind of HDMI transmitting devices with intelligent display.
Background technology
High-definition multimedia interface (English:High Definition Multimedia Interface, HDMI) be
A kind of digitized video/audio interface technology is the tailored version digital interface for being suitble to image transmission, can transmit audio simultaneously
And video signal, the maximum data transmission speed are 18GB/s.
As the prior art, composite optical cable adds the mode of optical cable to transmit signal using copper cable, and this HDMI composite ropes will
It is divided into transmitting terminal and receiving terminal, on the one hand this cable is needed to do mark in transmitting terminal and receiving terminal to distinguish, can be increased in this way
Production process, and increase production cost, on the other hand, this cable other than identifying and being used for distinguishing transmitting terminal and receiving terminal,
It cannot show the transmission state of cable and whether break down, use inconvenience.
Invention content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of with intelligence
The HDMI transmitting devices of display.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of HDMI transmission with intelligent display
Device, including transmitting terminal, receiving terminal and optoelectronic composite cable for connecting the transmitting terminal and receiving terminal, the transmitting terminal and
Receiving terminal includes shell and the processing circuit being arranged in the shell.
The processing circuit includes information conversion circuit, MCU, current detection circuit, indicating circuit, current direction detection electricity
Road and voltage conversion circuit, the MCU respectively with the current detection circuit, indicating circuit, current direction detection circuit and electricity
Voltage conversion circuit point electrical connection, described information conversion circuit, current direction detection circuit and current detection circuit respectively with outside
Signal source end is electrically connected, and described information conversion circuit is electrically connected with the current detection circuit；Through-hole is equipped on the shell,
Indicator light in the indicating circuit is arranged in the through-hole.
The beneficial effects of the utility model are：The HDMI transmitting devices of the utility model, by being arranged on transmitting terminal and connecing
Indicating circuit in receiving end shows that different colors can eaily distinguish transmitting terminal and receiving terminal, is easy to use
Personnel judge whether installation is correct in time, meanwhile, different types of biography can effectively be distinguished according to the state of the indicating circuit
Defeated signal facilitates user effectively to distinguish different cables, substantially increases the usage experience of user.
Based on the above technical solution, the utility model can also do following improvement：
Further：The MCU uses the microcontroller of model C8051F330.
Further：Described information conversion circuit in the transmitting terminal is using electro-optic conversion chip, in the receiving terminal
Described information conversion circuit uses photoelectric conversion chip.
The advantageous effect of above-mentioned further scheme is：It can be realized in the transmitting terminal by using electro-optic conversion chip
Electric signal is smoothly converted to optical signal, and passes through the photoelectric compound cable and be transmitted to the receiving terminal, turns by using photoelectricity
Change chip can realize the optical signal of the receiving terminal be smoothly converted to electric signal as output, it is ensured that data transmission it is accurate
Property.
Further：The current direction detection circuit include resistance R3, resistance R7, resistance R8, resistance R10, resistance R12,
Capacitance C5, capacitance C6, capacitance C7, capacitance C8, inductance L1 and current detecting chip U2, two electricity of the current detecting chip U2
Sense is connected with the inductance L1 between connecting pin, and the power input of the current detecting chip U2 is electrically connected with external signal source
It connects, and the power input of the current detecting chip U2 is grounded by the capacitance C5, and the resistance R3 and capacitance C6 strings
The both ends of the capacitance C5, the control signal input of the current detecting chip U2, Enable Pin, power saving/same are connected in parallel on after connection
Common end of the input terminal with the resistance R3 and capacitance C6 is walked be electrically connected, the logic ground end of the current detecting chip U2 with
Power ground end is grounded, and the feedback end of the current detecting chip U2 is electrically connected, and in parallel between the two and ground with output terminal
There are the capacitance C7 and capacitance C8, the resistance R7 and resistance R8 are connected between external signal source and ground, and the public affairs of the two
It holds one I/O mouthfuls with the MCU altogether to be electrically connected, the resistance R10 and resistance R12 are connected on external signal source and ground
Between, and another I/O mouthfuls of the common end of the two and the MCU is electrically connected.
The advantageous effect of above-mentioned further scheme is：Electric current can accurately be judged by the current direction detection circuit
Direction, and the MCU distinguishes transmitting terminal and receiving terminal according to sense of current, and controls the instruction electricity in transmitting terminal and receiving terminal
Road shows different colours, the convenient intuitive differentiation receiving terminal of personnel and transmitting terminal can be easy to use in this way, so as to more accurate
Judge grafting installation it is whether correct.
Further：The current detecting chip U2 uses the power conversion chip of model TPS63002.
Further：The current detection circuit includes resistance R14, capacitance C13 and current detecting chip U1, the electric current inspection
It surveys between the electric current cathode output end of chip U1 and electric current cathode output end and is electrically connected by the resistance R14, and electric current anode
Output terminal is also grounded by the capacitance C13, and electric current cathode output end is connect with the negative input end of described information conversion circuit, institute
State the ground terminal ground connection of current detecting chip U1, a reference voltage input and external signal of the current detecting chip U1
Source is electrically connected, another reference voltage input ground connection, and the output terminal of the current detecting chip U1 is another with the MCU's
A I/O electrical connections, power input are electrically connected with external signal source.
The advantageous effect of above-mentioned further scheme is：The electric current that can be accurately picked up by the current detection circuit is big
It is small, it can effectively identify different types of transmission new product, and the indicating circuit is controlled to show different face by the MCU
Color is easy to use the intuitive signal for effectively accurately distinguishing each optoelectronic composite cable transmission of personnel, more convenient, without independent
Detection distinguishes the signal for judging every cable transmission by making marks.
Further：The current detecting chip U1 converts voltage series chip using the electric current of model INA282.
Further：The indicating circuit includes resistance R4, resistance R5, resistance R6, resistance R13 and tri coloured lantern L3；The electricity
One end of resistance R4 is electrically connected with another I/O of the MCU, an input terminal of the other end and the tri coloured lantern L3；The electricity
One end of resistance R5 is electrically connected with another I/O of the MCU, another input terminal of the other end and the tri coloured lantern L3；It is described
One end of resistance R6 is electrically connected with the I/O of the MCU, another input terminal of the other end and the tri coloured lantern L3；Three color
The common end of lamp L3 is grounded by the resistance R13, and the tri coloured lantern L3 is arranged in the through-hole.
The advantageous effect of above-mentioned further scheme is：It on the one hand can be relatively more square by the dispaly state of the tri coloured lantern L3
Being distinguished to transmitting terminal and receiving terminal just, the personnel of being easy to use judge whether installation is correct in time, on the other hand, according to institute
Different types of transmission signal can effectively be distinguished by stating the dispaly state of tri coloured lantern L3, and user is facilitated effectively to distinguish different cables,
Substantially increase the usage experience of user.
Further：The voltage conversion circuit includes capacitance C9, capacitance C10, capacitance C11 and voltage conversion chip U5, institute
It states and the capacitance C9 and capacitance C10, institute is parallel between the operating mode control terminal of voltage conversion chip U5 and power input
The operating mode control terminal for stating voltage conversion chip U5 is electrically connected with Enable Pin, the voltage conversion chip U5 output switching terminals with
One end electrical connection of inductance L2, the other end of the inductance L2 are electrically connected as output terminal with the MCU, and the inductance L2's is another
Feedback input end of the one end also with the voltage conversion chip U5 is electrically connected, the feedback input end of the voltage conversion chip U5 with
It is electrically connected between ground terminal by the capacitance C11.
The advantageous effect of above-mentioned further scheme is：Voltage can be converted by the voltage conversion circuit, it is full
The power supply power demands of the foot MCU, realize the power supply between different circuits.
Further：Indicator light in the indicating circuit is fixed on the corresponding through-hole using transparent plastic cement drop modeling
It is interior.
The advantageous effect of above-mentioned further scheme is：It through the above way can be with the plastic shell of novel transparent, convenient for institute
The light that the indicator light of indicating circuit is sent out is stated to be pierced by, it, on the other hand, can be by the instruction electricity so that user of service accurately discovers
The indicator light on road is stably fixed in the through-hole.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the processing circuit figure of utility model；
Fig. 3 is the MCU pin configuration schematic diagrames of the utility model；
Fig. 4 is the current direction detection circuit diagram of the utility model；
Fig. 5 is the current detection circuit figure of the utility model；
Fig. 6 is the indicating circuit figure of the utility model；
Fig. 7 is the voltage conversion circuit figure of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows：
1st, transmitting terminal, 2, receiving terminal, 3, optoelectronic composite cable.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, the HDMI transmitting devices with intelligent display, including transmitting terminal 1, receiving terminal 2 and for connecting
The optoelectronic composite cable 3 of the transmitting terminal 1 and receiving terminal 2, the transmitting terminal 1 and receiving terminal 2 include shell and are arranged on described
Processing circuit in shell.
As shown in Fig. 2, the processing circuit includes information conversion circuit, MCU, current detection circuit, indicating circuit, electric current
Angle detecting circuit and voltage conversion circuit, the MCU are examined respectively with the current detection circuit, indicating circuit, current direction
Slowdown monitoring circuit and voltage conversion circuit point electrical connection, described information conversion circuit, current direction detection circuit and current detection circuit
It is electrically connected respectively with external signal source, described information conversion circuit is electrically connected with the current detection circuit；On the shell
It is equipped with through-hole, the indicator light in the indicating circuit is arranged in the through-hole.
The HDMI transmitting devices of the utility model, are shown not by the indicating circuit being arranged in transmitting terminal 1 and receiving terminal 2
Same color can eaily distinguish transmitting terminal 1 and receiving terminal 2, and whether the personnel of being easy to use judge installation in time
Correctly, meanwhile, different types of transmission signal can be effectively distinguished according to the state of the indicating circuit, facilitate user's effective district
Divide different cables, substantially increase the usage experience of user.
As shown in Figure 3, it is preferable that in the above-described embodiments, the MCU uses the microcontroller of model C8051F330
Device.
In the present embodiment, the described information conversion circuit in the transmitting terminal 1 is using electro-optic conversion chip, the receiving terminal
Described information conversion circuit in 2 uses photoelectric conversion chip.The transmitting terminal 1 can be realized by using electro-optic conversion chip
In electric signal be smoothly converted to optical signal, and pass through the photoelectric compound cable and be transmitted to the receiving terminal 2, by using light
Electric conversion chip can realize that the optical signal of the receiving terminal 2 is smoothly converted to electric signal as output, it is ensured that data transmission
Accuracy.
As shown in figure 4, in the present embodiment, the current direction detection circuit includes resistance R3, resistance R7, resistance R8, electricity
Hinder R10, resistance R12, capacitance C5, capacitance C6, capacitance C7, capacitance C8, inductance L1 and current detecting chip U2, the current detecting
Be connected with the inductance L1 between two inductance connection ends of chip U2, the power input of the current detecting chip U2 with it is outer
Portion's signal source end electrical connection, and the power input of the current detecting chip U2 is grounded, and the electricity by the capacitance C5
It is connected in parallel on the both ends of the capacitance C5 after resistance R3 and capacitance C6 series connection, the control signal input of the current detecting chip U2,
The common end of Enable Pin, power saving/synchronous input end with the resistance R3 and capacitance C6 is electrically connected, the current detecting chip
The logic ground end and power ground end of U2 is grounded, and the feedback end of the current detecting chip U2 is electrically connected with output terminal, and
The capacitance C7 is parallel between the two and ground and capacitance C8, the resistance R7 and resistance R8 are connected on external signal source and ground
Between, and one I/O mouthfuls of the common end of the two and the MCU are electrically connected, the resistance R10 and resistance R12 are connected on outside
Between signal source end and ground, and another I/O mouthfuls of the common end of the two and the MCU is electrically connected.
Current direction can accurately be judged, and the MCU is according to the side of electric current by the current direction detection circuit
To transmitting terminal 1 and receiving terminal 2 is distinguished, and the indicating circuit in transmitting terminal 1 and receiving terminal 2 is controlled to show different colours, in this way may be used
In order to the convenient intuitive differentiation receiving terminal 2 of user of service and transmitting terminal 1, so as to more whether just accurately judge grafting installation
Really.
Specifically, when HDMI devices connect external equipment, correctly 1 indicating circuit of transmitting terminal shows green light during connection, and
And 2 indicating circuit of receiving terminal shows headlamp；When correct connection is completed, all lamps extinguish, and wait audio, video data to be transmitted；
When transmitting ultra high-definition video, 1 blue lamp of transmitting terminal is lighted；When transmitting SD video, 1 emerald green lamp of transmitting terminal is lighted；Work as transmitting
When end 1 and 2 connection error of receiving terminal, blinking red lamp prompts connection error.By different colours instruction can allow user of service and
When judge whether the installation of oneself correct, and can by indicator light colors come judge HDMI devices transmit audio and video be super
High definition or SD.
Preferably, in the above-described embodiments, the current detecting chip U2 is converted using the power supply of model TPS63002
Chip is intuitively judged by visual effect to people.
As shown in figure 5, in the present embodiment, the current detection circuit includes resistance R14, capacitance C13 and current detecting core
Piece U1 passes through resistance R14 electricity between the electric current cathode output end of the current detecting chip U1 and electric current cathode output end
Connection, and electric current cathode output end is also grounded by the capacitance C13, electric current cathode output end and described information conversion circuit
Negative input end connection, the current detecting chip U1 ground terminal ground connection, a benchmark electricity of the current detecting chip U1
Pressure input terminal is electrically connected with external signal source, another reference voltage input ground connection, the current detecting chip U1's is defeated
Outlet is electrically connected with another I/O of the MCU, and power input is electrically connected with external signal source.
The size of current that can be accurately picked up by the current detection circuit can effectively identify different types of biography
Defeated new product, and the indicating circuit is controlled to show different colors by the MCU, it is easy to use the intuitive effectively accurate area of personnel
The signal that each optoelectronic composite cable 3 is divided to transmit, it is more convenient, judge often to distinguish without individually detecting or by making marks
The signal of root cable transmission.
Preferably, in the above-described embodiments, the current detecting chip U1 is electric using the electric current conversion of model INA282
Press family chip.
As shown in fig. 6, in the present embodiment, the indicating circuit include resistance R4, resistance R5, resistance R6, resistance R13 and
Tri coloured lantern L3；One end of the resistance R4 is electrically connected with another I/O of the MCU, the other end and the one of the tri coloured lantern L3
A input terminal；One end of the resistance R5 is electrically connected with another I/O of the MCU, and the other end is another with the tri coloured lantern L3's
One input terminal；One end of the resistance R6 is electrically connected with the I/O of the MCU, the other end and the tri coloured lantern L3 another
Input terminal；The common end of the tri coloured lantern L3 is grounded by the resistance R13, and the tri coloured lantern L3 is arranged on the through-hole
It is interior.
On the one hand eaily transmitting terminal 1 and receiving terminal 2 can be carried out by the dispaly state of the tri coloured lantern L3
It distinguishes, the personnel of being easy to use judge whether installation is correct in time, on the other hand, can be with according to the dispaly state of the tri coloured lantern L3
Different types of transmission signal is effectively distinguished, user is facilitated effectively to distinguish different cables, substantially increases the usage experience of user.
As shown in fig. 7, in the present embodiment, the voltage conversion circuit includes capacitance C9, capacitance C10, capacitance C11 and voltage
The capacitance C9 is parallel between the operating mode control terminal and power input of conversion chip U5, the voltage conversion chip U5
With capacitance C10, the operating mode control terminal of the voltage conversion chip U5 is electrically connected with Enable Pin, the voltage conversion chip U5
Output switching terminal is electrically connected with one end of inductance L2, and the other end of the inductance L2 is electrically connected as output terminal with the MCU, institute
Feedback input end of the other end of inductance L2 also with the voltage conversion chip U5 is stated to be electrically connected, the voltage conversion chip U5's
It is electrically connected between feedback input end and ground terminal by the capacitance C11.
Voltage can be converted by the voltage conversion circuit, meet the power supply power demands of the MCU, realized
Power supply between different circuits.
Preferably, in the above-described embodiments, the indicator light in the indicating circuit is fixed on using transparent plastic cement drop modeling
In the corresponding through-hole.It through the above way can be with the plastic shell of novel transparent, convenient for the indicator light of the indicating circuit
The light sent out is pierced by, so that user of service accurately discovers, on the other hand, can be consolidated what the indicator light of the indicating circuit was stablized
It is scheduled in the through-hole.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of HDMI transmitting devices with intelligent display, it is characterised in that:Including transmitting terminal (1), receiving terminal (2) and use
In the optoelectronic composite cable (3) for connecting the transmitting terminal (1) and receiving terminal (2), the transmitting terminal (1) and receiving terminal (2) include
Shell and the processing circuit being arranged in the shell；
The processing circuit include information conversion circuit, MCU, current detection circuit, indicating circuit, current direction detection circuit and
Voltage conversion circuit, the MCU turn respectively with the current detection circuit, indicating circuit, current direction detection circuit and voltage
Change circuit point electrical connection, described information conversion circuit, current direction detection circuit and current detection circuit respectively with external signal
Source is electrically connected, and described information conversion circuit is electrically connected with the current detection circuit；Through-hole is equipped on the shell, it is described
Indicator light in indicating circuit is arranged in the through-hole.
2. the HDMI transmitting devices according to claim 1 with intelligent display, it is characterised in that:The MCU uses type
Number be C8051F330 microcontroller.
3. the HDMI transmitting devices according to claim 1 with intelligent display, it is characterised in that:The transmitting terminal (1)
In described information conversion circuit using electro-optic conversion chip, the described information conversion circuit in the receiving terminal (2) uses light
Electric conversion chip.
4. the HDMI transmitting devices according to claim 1 with intelligent display, it is characterised in that:The current direction inspection
Slowdown monitoring circuit includes resistance R3, resistance R7, resistance R8, resistance R10, resistance R12, capacitance C5, capacitance C6, capacitance C7, capacitance C8, electricity
Feel L1 and current detecting chip U2, the inductance L1 be connected between two inductance connection ends of the current detecting chip U2,
The power input of the current detecting chip U2 is electrically connected with external signal source, and the power supply of the current detecting chip U2
Input terminal is grounded by the capacitance C5, and the both ends of the capacitance C5, institute are connected in parallel on after the resistance R3 and capacitance C6 series connection
State the control signal input, Enable Pin, power saving/synchronous input end of current detecting chip U2 with the resistance R3 and capacitance C6
Common end electrical connection, the logic ground end and power ground end of the current detecting chip U2 be grounded, the current detecting
The feedback end of chip U2 is electrically connected with output terminal, and the capacitance C7 and capacitance C8, the resistance are parallel between the two and ground
R7 and resistance R8 are connected between external signal source and ground, and one I/O mouthfuls of the common end of the two and the MCU are electrically connected
It connects, the resistance R10 and resistance R12 are connected between external signal source and ground, and the common end of the two and the MCU's is another
One I/O mouthfuls of electrical connection.
5. the HDMI transmitting devices according to claim 4 with intelligent display, it is characterised in that:The current detecting core
Piece U2 uses the power conversion chip of model TPS63002.
6. the HDMI transmitting devices according to claim 4 with intelligent display, it is characterised in that:The current detecting electricity
Road includes resistance R14, capacitance C13 and current detecting chip U1, the electric current cathode output end and electricity of the current detecting chip U1
It is electrically connected between stream cathode output end by the resistance R14, and electric current cathode output end is also grounded by the capacitance C13,
Electric current cathode output end is connect with the negative input end of described information conversion circuit, the ground connection termination of the current detecting chip U1
Ground, a reference voltage input of the current detecting chip U1 are electrically connected with external signal source, another reference voltage
Input end grounding, the output terminal of the current detecting chip U1 are electrically connected with another I/O of the MCU, power input with
External signal source is electrically connected.
7. the HDMI transmitting devices according to claim 6 with intelligent display, it is characterised in that:The current detecting core
Piece U1 converts voltage series chip using the electric current of model INA282.
8. the HDMI transmitting devices according to claim 6 with intelligent display, it is characterised in that:The indicating circuit packet
Include resistance R4, resistance R5, resistance R6, resistance R13 and tri coloured lantern L3；One end of the resistance R4 and another I/O of the MCU
Electrical connection, an input terminal of the other end and the tri coloured lantern L3；One end of the resistance R5 and another I/O of the MCU
Electrical connection, another input terminal of the other end and the tri coloured lantern L3；One end of the resistance R6 and the I/O of the MCU are electrically connected
It connects, another input terminal of the other end and the tri coloured lantern L3；The common end of the tri coloured lantern L3 is connect by the resistance R13
Ground, and the tri coloured lantern L3 is arranged in the through-hole.
9. the HDMI transmitting devices according to claim 1 with intelligent display, it is characterised in that:The voltage conversion electricity
Road includes the operating mode control of capacitance C9, capacitance C10, capacitance C11 and voltage conversion chip U5, the voltage conversion chip U5
The operating mode that the capacitance C9 and capacitance C10, the voltage conversion chip U5 are parallel between end and power input controls
End is electrically connected with Enable Pin, and the voltage conversion chip U5 output switching terminals are electrically connected with one end of inductance L2, the inductance L2
The other end be electrically connected as output terminal with the MCU, the other end of the inductance L2 is also with the voltage conversion chip U5's
Feedback input end is electrically connected, and passes through capacitance C11 electricity between the feedback input end and ground terminal of the voltage conversion chip U5
Connection.
10. there is the HDMI transmitting devices of intelligent display according to claim 1 to 9 any one of them, it is characterised in that:It is described
Indicator light in indicating circuit is fixed on using transparent plastic cement drop modeling in the corresponding through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721269899.2U CN207559230U (en) | 2017-09-29 | 2017-09-29 | A kind of HDMI transmitting devices with intelligent display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721269899.2U CN207559230U (en) | 2017-09-29 | 2017-09-29 | A kind of HDMI transmitting devices with intelligent display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559230U true CN207559230U (en) | 2018-06-29 |
Family
ID=62676805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721269899.2U Active CN207559230U (en) | 2017-09-29 | 2017-09-29 | A kind of HDMI transmitting devices with intelligent display |
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| Country | Link |
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| CN (1) | CN207559230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834845A (en) * | 2019-04-23 | 2020-10-27 | 宏正自动科技股份有限公司 | Connecting wire of electronic device |
-
2017
- 2017-09-29 CN CN201721269899.2U patent/CN207559230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834845A (en) * | 2019-04-23 | 2020-10-27 | 宏正自动科技股份有限公司 | Connecting wire of electronic device |
| CN111834845B (en) * | 2019-04-23 | 2021-10-01 | 宏正自动科技股份有限公司 | Connecting wire of electronic device |
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