CN207910778U - Signal repeater and signal relay system - Google Patents
Signal repeater and signal relay system Download PDFInfo
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- CN207910778U CN207910778U CN201820269312.6U CN201820269312U CN207910778U CN 207910778 U CN207910778 U CN 207910778U CN 201820269312 U CN201820269312 U CN 201820269312U CN 207910778 U CN207910778 U CN 207910778U
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Abstract
The utility model is related to a kind of signal repeaters and signal relay system, belong to wireless communication and internet of things field, by constructing microprocessor, the connection structure of Tag receiver and wireless communication device, microprocessor receives the signal of electronic tag by Tag receiver, the signal of electronic tag is converted, device is outwardly sent by radio communication, the wireless signal of wireless communication device can be received by mobile terminal, mobile terminal is set to obtain the signal of electronic tag, and the signal repeater is simple in structure, it is of low cost, suitable for various electronic tags.
Description
Technical field
The utility model is related to wirelessly communicate and internet of things field, more particularly to a kind of signal repeater and signal
Relay system.
Background technology
Electronic tag is the important component of internet of things equipment, is bound together people and object by it, unique to compile
It number is sent on Tag receiver, achievees the purpose that access network, realize information networking.
For example, when using active electronic label, the communication technology frequency range typically in Sub1G (frequency for being less than 1G)
It works, the active label receiving unit of not integrated Sub1G frequency ranges in currently used mobile device.
Accordingly, it is difficult to obtain the information of electronic tag by common mobile device.
Utility model content
Based on this, it is necessary to the problem of being difficult to obtain the information of electronic tag by mobile device for traditional mode,
A kind of signal repeater and signal relay system are provided.
A kind of signal repeater, including microprocessor, Tag receiver and wireless communication device；
The connection of the universal input/output interface of Tag receiver and microprocessor, wireless communication device and microprocessor lead to
Believe interface connection；
Tag receiver is used to receive the signal of electronic tag and is transmitted to microprocessor, and wireless communication device is for outside
Boundary sends the signal of the electronic tag in microprocessor.
According to above-mentioned signal repeater, by the connection knot for constructing microprocessor, Tag receiver and wireless communication device
Structure, microprocessor are received the signal of electronic tag by Tag receiver, the signal of electronic tag are converted, by wireless
Communication device is outwardly sent, and the wireless signal of wireless communication device can be received by mobile terminal, enable mobile terminal
The signal of electronic tag is obtained, and the signal repeater is simple in structure, it is of low cost, it is suitable for various electronic tags.
Signal repeater further includes the battery and charging circuit being connected with each other in one of the embodiments,；
The power interface of battery and microprocessor connects, and charging circuit by data line with external power supply for being connect.
Signal repeater further includes the battery and voltage check device being connected with each other in one of the embodiments,；
The power interface of battery and microprocessor connects, and the analog-to-digital conversion interface of voltage check device and microprocessor connects
It connects, the voltage signal for detecting battery is simultaneously transmitted to microprocessor.
Signal repeater further includes peripheral reset circuit, peripheral reset circuit and microprocessor in one of the embodiments,
The reseting interface of device connects.
Signal repeater further includes suggestion device in one of the embodiments, suggestion device and microprocessor it is general
Interface connects.
Suggestion device includes sound prompt device or light prompt device in one of the embodiments,；
The general-purpose interface of sound prompt device and microprocessor connects；Alternatively, light prompt device and microprocessor is logical
It is connected with interface.
Wireless communication device includes Bluetooth communication device or WiFi communication device in one of the embodiments,.
Signal repeater further includes touch panel in one of the embodiments, touch panel and signal repeater it is outer
Shell is integrally formed, for generating trigger signal and being transmitted to microprocessor.
A kind of signal relay system, including multiple electronic tags and signal repeater as above；
Signal repeater is communicated by Tag receiver with each electronic tag.
According to above-mentioned signal relay system, filled by constructing electronic tag, microprocessor, Tag receiver and wireless communication
The connection structure set, microprocessor are received the signal of electronic tag by Tag receiver, the signal of electronic tag are turned
It changes, device is outwardly sent by radio communication, and the wireless signal of wireless communication device can be received by mobile terminal, make shifting
Dynamic terminal can obtain the signal of electronic tag, and the signal relay system is simple in structure, of low cost, be suitable for various electricity
Subtab.
Signal relay system further includes mobile terminal in one of the embodiments, for receiving wireless communication device hair
The signal of the electronic tag sent.
Description of the drawings
Fig. 1 is the structural schematic diagram of the signal repeater of one embodiment；
Fig. 2 is the structural schematic diagram of the signal repeater of another embodiment；
Fig. 3 is the structural schematic diagram of the signal repeater of another embodiment；
Fig. 4 is the structural schematic diagram of the signal repeater of further embodiment；
Fig. 5 is the structural schematic diagram of the signal repeater including peripheral reset circuit of one embodiment；
Fig. 6 is the structural schematic diagram of the signal repeater including suggestion device of one embodiment；
Fig. 7 is the structural schematic diagram of the signal relay system of one embodiment；
Fig. 8 is the structural schematic diagram of the signal relay system of another embodiment；
Fig. 9 is structural schematic diagram of the signal relay system of one embodiment under concrete application scene.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to the accompanying drawings and embodiments,
The utility model is described in further detail.It should be appreciated that the specific embodiments described herein are only used to solve
The utility model is released, the scope of protection of the utility model is not limited.
It is shown in Figure 1, it is the structural schematic diagram of the signal repeater of one embodiment, in this embodiment, in signal
After device include microprocessor 100, Tag receiver 200 and wireless communication device 300；
Tag receiver 200 is connect with the universal input/output interface of microprocessor 100, wireless communication device 300 with it is micro-
The communication interface of processor 100 connects；
Tag receiver 200 is used to receive the signal of electronic tag and is transmitted to microprocessor 100, wireless communication device
300 signal for outwardly sending the electronic tag in microprocessor 100.
In the present embodiment, pass through the connection of construction microprocessor 100, Tag receiver 200 and wireless communication device 300
Structure, microprocessor 100 are received the signal of electronic tag by Tag receiver 200, the signal of electronic tag are converted,
Device 300 is outwardly sent by radio communication, and the wireless signal of wireless communication device 300 can be received by mobile terminal,
Mobile terminal is set to obtain the signal of electronic tag, and the signal repeater is simple in structure, it is of low cost, it is suitable for various
Electronic tag.
In one embodiment, as shown in Fig. 2, signal repeater further includes the battery 410 and charging circuit being connected with each other
420；
Battery 410 is connect with the power interface of microprocessor 100, and charging circuit 420 is used to pass through data line and external electrical
Source connects.
In the present embodiment, battery 410 can be that microprocessor 100 is powered, and shifting is being carried convenient for signal repeater
It uses when dynamic, can charge to battery 410 moreover, connecting external power supply by charging circuit 420, ensure that battery 410 is held
It is continuous available.
Optionally, battery 410 can be rechargeable lithium battary, and the external charging interface of charging circuit 420 can be compatible with
Mobile terminal general-purpose interface, such as USB interface can use the data line of mobile terminal and power supply suitable when connecting external power supply
Orchestration charges, and without using exclusive data connecting line, improves the applicability of charging circuit 420.
In one embodiment, as shown in figure 3, signal repeater further includes the battery 410 being connected with each other and voltage detecting
Device 430；
Battery 410 is connect with the power interface of microprocessor 100, the modulus of voltage check device 430 and microprocessor 100
Translation interface connects, and the voltage signal for detecting battery 410 is simultaneously transmitted to microprocessor 100.
In the present embodiment, voltage check device 430 is connect with battery 410, can detect the voltage signal of battery 410 simultaneously
It is transmitted to microprocessor 100, microprocessor 100 is obtained the detection of voltage check device 430 by analog-to-digital conversion interface ADC interface
Voltage analog signal be converted to voltage digital signal and handled, judge the remaining capacity of battery 410, and then realize low electricity section
It can pattern.
Optionally, peripheral sample circuit may be used in voltage check device, can also be integrated in microprocessor 100；It is micro-
Processor 100, can be automatically into suspend mode when judging the remaining capacity deficiency of battery 410.
In one embodiment, as shown in figure 4, signal repeater further includes peripheral reset circuit 500, peripheral reset circuit
500 connect with the reseting interface of microprocessor 100.
In the present embodiment, peripheral reset circuit 500 is connect with the reseting interface of microprocessor 100, for microprocessor
Device 100 carries out reset operation, prevents microprocessor 100 from crashing.
In one embodiment, as shown in figure 5, signal repeater further includes suggestion device 600, suggestion device 600 with it is micro-
The general-purpose interface of processor 100 connects.
In the present embodiment, microprocessor 100 can be with the work of abstract factory receiver 200 and wireless communication device 300
State, suggestion device 600 are connect with the general-purpose interface of microprocessor 100, can be used for prompting microprocessor 100, label to receive
The working condition of device 200 and wireless communication device 300 operates signal repeater according to prompt convenient for user.
In one embodiment, suggestion device 600 includes sound prompt device or light prompt device；
Sound prompt device is connect with the general-purpose interface of microprocessor 100；Alternatively, light prompt device and microprocessor
100 general-purpose interface connection.
In the present embodiment, a variety of different operating modes can be arranged in sound prompt device or light prompt device, use
In the different working condition for indicating microprocessor 100, Tag receiver 200 and wireless communication device 300.
Optionally, sound prompt device 600 can be buzzer etc., and light prompt device 600 can be Multicolor LED lamp
Deng suggestion device 600 can also be sound and light alarm device, can be used for sending out light prompt signal and sound standby signal.
Specifically, when microprocessor 100 is in sleep state, LED light is gone out；It is waken up or empty in microprocessor 100
At not busy 60 seconds, the bright 50ms of LED light, go out 1s, and luminescent color is blue, while when wirelessly communicating connection and establishing, and luminescent color is green
Color；When microprocessor 100 receives the signal of electronic tag by Tag receiver 200, the bright 50ms of LED light, go out 3s, shines
Color is blue, while when wirelessly communicating connection and establishing, and luminescent color is green；It is less than in the powering quantity of microprocessor 100
When preset value, LED light switchs to blinking red lamp；When the battery to microprocessor 100 charges, LED light switchs to red light and is always on,
When electricity is full of, LED light switchs to green light and is always on；When the signal for the electronic tag that microprocessor 100 receives occurs abnormal,
LED light switchs to when red 100ms, and go out 1s, while buzzer is rung.
In one embodiment, wireless communication device 300 includes Bluetooth communication device or WiFi communication device.
In the present embodiment, microprocessor 100 can be carried out by Bluetooth communication device or Wifi communication devices with extraneous
Wireless communication, general mobile terminal can receive the wireless signal of this two kinds of forms, and then obtain the information of electronic tag.
By taking Bluetooth communication device as an example, when Bluetooth communication connection is established, electronics that microprocessor 100 can will receive
The signal of label is converted into corresponding Bluetooth signal and outwardly sends, and light prompt device 600 connects if Multicolor LED lamp, bluetooth
Luminescent color when connecing can be green.
In one embodiment, as shown in fig. 6, signal repeater further includes touch panel 700, touch panel 700 and letter
The shell of number repeater is integrally formed, for generating trigger signal and being transmitted to microprocessor 100.
In the present embodiment, touch panel 700 can be used for touching and generate trigger signal, and trigger signal can be to signal
Repeater is adjusted, such as activation or suspend mode microprocessor 100, is turned on and off Tag receiver 200 and wireless communication device
300 etc., touch panel 700 and the shell of signal repeater are integrally formed, without after button is arranged on device, ensureing letter in the signal
The integrality of number repeater appearance.
Optionally, touch panel 700 can be capacitive type touch pad etc..
It is shown in Figure 7, it is the structural schematic diagram of the signal relay system of one embodiment, in this embodiment, signal
Relay system includes multiple electronic tags 800 and signal repeater as above；
Signal repeater is communicated by Tag receiver with each electronic tag.
In the present embodiment, pass through the connection of construction electronic tag, microprocessor, Tag receiver and wireless communication device
Structure, microprocessor are received the signal of electronic tag by Tag receiver, the signal of electronic tag are converted, nothing is passed through
Line communication device is outwardly sent, and the wireless signal of wireless communication device can be received by mobile terminal, enable mobile terminal
The signal of electronic tag is enough obtained, and the signal relay system is simple in structure, it is of low cost, it is suitable for various electronic tags.
In one embodiment, as shown in figure 8, signal relay system further includes mobile terminal 900, for receiving channel radio
The signal for the electronic tag that T unit 300 is sent.
In the present embodiment, mobile terminal 900 is carried out wireless communication with the wireless communication device 300 in signal repeater,
The signal for the electronic tag that wireless communication device 300 is sent is received, realizes the signal of acquisition for mobile terminal electronic tag.
Optionally, mobile terminal 900 may include the terminal devices such as smart mobile phone, notebook, tablet computer, smartwatch
At least one of, it can be communicated with wireless communication Zhang Zhi 300.
In one embodiment, signal relay system can be applied in the scene of vehicle active electronic label identification.Ginseng
As shown in Figure 9, signal relay system includes Micro-processor MCV, Tag receiver, Bluetooth communication device, lithium battery, charging electricity
Road, voltage check device, reset circuit, suggestion device, capacitive touch panel, active electronic label and mobile terminal etc.；It is above-mentioned
Micro-processor MCV, Bluetooth communication device, lithium battery, charging circuit, voltage check device, reset circuit, carries Tag receiver
Showing device is encapsulated in the shell of signal repeater, and the shell of capacitive touch panel and signal repeater is integrally formed, active electrical
Subtab is arranged on vehicle.
After touch event occurs for capacitive touch panel, trigger signal is generated, wakes up Micro-processor MCV, Tag receiver
And Bluetooth communication device, Tag receiver starts to receive the signal of the active electronic label of vehicle, and is filled by Bluetooth communication
Set and upload to mobile terminal, to realize vehicle active electronic label relaying action.
Lithium battery, charging circuit are powered for circuit, can be used the 5V chargings of generic USB adapter, be needed 5 hours full of,
It can be used 48 hours after being full of.
Voltage check device is to be detected to the voltage of lithium battery using peripheral sample circuit, and detection data is passed through
ADC interface is transmitted to Micro-processor MCV, and Micro-processor MCV judges the residue electricity of lithium battery by detecting obtained cell voltage
Amount, and then realize low electric energy saver mode.
Reset circuit can carry out reset operation to Micro-processor MCV, prevent Micro-processor MCV from crashing, and may be used outer
Enclose circuit realization.
Bluetooth communication device is connected by the UART interface of data circuit and Micro-processor MCV, and broadcast number is sent after activation
Mobile terminal can be sent data to, and show phase on mobile terminals after establishing communication connection with mobile terminal according to packet
The data answered；In the application scenarios of vehicle active electronic tag, a dedicated APP can also be set on mobile terminals,
Relevant information for showing vehicle active electronic tag.
Tag receiver can be used for searching for the signal for receiving Sub1G active electronic labels, and be stored in microprocessor
In the caching of MCU, mobile terminal is sent to by Bluetooth communication device and is shown.
The shell of capacitive touch panel and signal repeater is integrally formed, and the specific position of capacitive touch panel is touched i.e.
The functions such as activation, suspend mode can be achieved, without in addition setting button, ensure the complete appearance of signal repeater.
Buzzer may be used in suggestion device and Multicolor LED lamp is realized, makes in capacitive touch panel generation trigger signal micro-
Processor MCU, Tag receiver, Bluetooth communication device enter equal acousto-optic prompt when suspend mode, activation；
Specifically, when Micro-processor MCV is in sleep state, LED light is gone out；It is waken up or empty in microprocessor 100
When 60 seconds not busy, the bright 50ms of LED light, go out 1s, and luminescent color is blue, while Bluetooth communication connects when establishing, and luminescent color is green
Color；When Micro-processor MCV receives the signal of active electronic label by Tag receiver, the bright 50ms of LED light, go out 3s, hair
Light color is blue, while Bluetooth communication connects when establishing, and luminescent color is green；It is low in the powering quantity of Micro-processor MCV
When preset value, LED light switchs to blinking red lamp；When the battery to Micro-processor MCV charges, it is normal that LED light switchs to red light
Bright, when electricity is full of, LED light switchs to green light and is always on；Occur in the signal for the active electronic label that Micro-processor MCV receives different
Chang Shi, LED light switch to when red 100ms, and go out 1s, while buzzer is rung, and when buzzer is rung, pass through touching for capacitive touch panel
Hair can control the alarm of cancelling signal exception.
Can have in the application scenarios of vehicle active electronic tag, in the storage medium in Micro-processor MCV registered
Regular vehicle active electronic label information list, in the active electronic mark for receiving target vehicle by Tag receiver
When signing information, it can be parsed, and be compared with the information in the information list of the active electronic label of storage, if
It is not consistent with the information in list, shows that the corresponding vehicle of active electronic label information is not registered, belong to illegal vehicle, this
When can carry out alarm by suggestion device, Micro-processor MCV, can be by after receiving the information of active electronic label
It is screened and is filtered according to the tag data format of lower section, effective label data is uploaded to movement by Bluetooth signal form
Terminal, with the format transmission of data frame, specific format is as follows：
| Field | Function code (1 byte) | Tag ID (4 byte) | Parameter 1 (1 byte) | Parameter 1 (1 byte) | Verification and (1 byte) |
| Meaning | Frame identification of function code | ID after being encrypted | Encrypted random number | It is spare | It is cumulative and |
| Example | 0x0A | 0x12345678 | 0Xxx | 0x00 | 0Xxx |
In addition, signal repeater can also receive the operational order that mobile terminal is sent by Bluetooth communication device, such as obtain
It takes the battery capacity of signal repeater, obtain data format version number, setting active electronic label search listing and setting letter
The operating parameter etc. of number repeater realizes various interactive processes of signal repeater and mobile terminal.
After the startup particular acquisition search instruction for receiving mobile terminal transmission after device in the signal, stops directly output and connect
The active electronic label information received, ability when only receiving the active electronic label information in active electronic label search listing
Corresponding active electronic label information is exported, and sends " labeling task mode setting " instruction to the active electronic label at once,
Instruction format is as follows, makes active electronic label switching working mode, improves the frequency of active electronic label transmission data, with
Just tracking inspection in real time is carried out with to the corresponding vehicle of the active electronic label；Tag receiver is provided simultaneously with transmission letter at this time
Number function, be referred to as tag transceiver.
| Field | Function code (1bytes) | Tag ID (4bytes) | Period (12bits) | Number (4bits) | Remarks |
| Meaning | Operating mode is arranged | Tag ID | Sending cycle unit ms | Continue number unit 10 times | Mode setting frame |
| Example | 0x8A | 0x12345678 | 0x200 | 0xF | Period 512ms continues 150 times |
Signal repeater is a portable low power-consumption equipment, is strict to the management of power consumption.Therefore it realizes low
Power consumption function is necessary, the Bluetooth communication device in signal repeater use low-power consumption bluetooth equipment, and only with movement
Terminal is established after Bluetooth communication connection, just the signal receiving function of wake-up Tag receiver, when not having Bluetooth communication connection into
Enter low-power consumption battery saving mode；Furthermore it is possible to force to wake up or reenter suspend mode by capacitive touch switch.
The combination of said modules is realized to the search of Sub1G active electronic labels, bluetooth connection, bluetooth forwarding, low-power consumption
Super long standby time touches the functions such as activation/suspend mode.
The general work flow of signal repeater is as follows：Capacitive touch panel on touch signal repeater shell, signal
Repeater is activated wake-up, and Bluetooth communication device starts to work and sends broadcast data packet, the upper signal relaying of mobile terminal connection
After the Bluetooth signal of device, Tag receiver is started to work, and is received the data frame content of active electronic label, is filled by Bluetooth communication
It sets and is forwarded to mobile terminal, realize signal relay function.Signal repeater is examined by lithium battery power supply, cell voltage by voltage
Device is surveyed to be monitored in real time by the ADC interface of microprocessor, when there is the low electricity either inadequate situation of capacity by bluetooth or
Acousto-optic hint device prompts user to carry out battery charging operation.
In the above embodiments, the specific works mistake of signal repeater and signal relay system is merely illustrated
Journey, above-mentioned all parts can realize corresponding function using existing hardware product, but the improvement of the utility model is not
It is the improvement to data handling procedure in signal repeater and signal relay system, but various components and its connection is utilized to close
It is to realize the function of the utility model.
In the description of this specification, the description of reference term " one embodiment ", " one of embodiment " etc. means
At least one embodiment of the utility model is contained in conjunction with the embodiment particular features, structures, materials, or characteristics described
In.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment.Moreover, the tool of description
Body characteristics, structure, material or feature can be combined in any suitable manner in any one or more embodiments.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of signal repeater, which is characterized in that including microprocessor (100), Tag receiver (200) and wireless communication dress
It sets (300)；
The Tag receiver (200) connect with the universal input/output interface of the microprocessor (100), the wireless communication
Device (300) is connect with the communication interface of the microprocessor (100)；
The Tag receiver (200) is used to receive the signal of electronic tag and is transmitted to the microprocessor (100), the nothing
Line communication device (300) is used to outwardly send the signal of the electronic tag in the microprocessor (100).
2. signal repeater according to claim 1, which is characterized in that further include be connected with each other battery (410) and fill
Circuit (420)；
The battery (410) connect with the power interface of the microprocessor (100), and the charging circuit (420) is for passing through
Data line is connect with external power supply.
3. signal repeater according to claim 1, which is characterized in that further include the battery (410) and electricity being connected with each other
Press detection device (430)；
The battery (410) connect with the power interface of the microprocessor (100), the voltage check device (430) and institute
The analog-to-digital conversion interface for stating microprocessor (100) connects, and the voltage signal for detecting the battery (410) is simultaneously transmitted to described
Microprocessor (100).
4. signal repeater according to claim 1, which is characterized in that further include peripheral reset circuit (500), it is described outer
Reset circuit (500) is enclosed to connect with the reseting interface of the microprocessor (100).
5. signal repeater according to claim 1, which is characterized in that further include suggestion device (600), the prompt dress
(600) are set to connect with the general-purpose interface of the microprocessor (100).
6. signal repeater according to claim 5, which is characterized in that the suggestion device (600) includes auditory tone cues
Device or light prompt device；
The sound prompt device is connect with the general-purpose interface of the microprocessor (100)；Alternatively, the light prompt device with
The general-purpose interface of the microprocessor (100) connects.
7. signal repeater according to claim 1, which is characterized in that the wireless communication device (300) includes bluetooth
Communication device or WiFi communication device.
8. signal repeater as claimed in any of claims 1 to 7, which is characterized in that further include touch panel
(700), the touch panel (700) and the shell of signal repeater are integrally formed, for generating trigger signal and being transmitted to institute
State microprocessor (100).
9. a kind of signal relay system, which is characterized in that including multiple electronic tags (800) and as claim 1 to 8 is any one
Signal repeater described in；
The signal repeater is communicated by the Tag receiver (200) with each electronic tag (800).
10. signal relay system according to claim 9, which is characterized in that further include mobile terminal (900), for connecing
Receive the signal of the electronic tag of the wireless communication device (300) transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269312.6U CN207910778U (en) | 2018-02-24 | 2018-02-24 | Signal repeater and signal relay system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269312.6U CN207910778U (en) | 2018-02-24 | 2018-02-24 | Signal repeater and signal relay system |
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| Publication Number | Publication Date |
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| CN207910778U true CN207910778U (en) | 2018-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220029852A1 (en) * | 2020-07-24 | 2022-01-27 | Ite Tech. Inc. | Signal relay system with reduced power consumption |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220029852A1 (en) * | 2020-07-24 | 2022-01-27 | Ite Tech. Inc. | Signal relay system with reduced power consumption |
| US11627015B2 (en) * | 2020-07-24 | 2023-04-11 | Ite Tech. Inc. | Signal relay system with reduced power consumption |
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Address after: 510250 room 441, East Rui mansion, 2 ancestral hall street, Che Po East, Tianhe District, Guangzhou, Guangdong Patentee after: Guangzhou all things information Polytron Technologies Inc Address before: 510250 room 441, East Rui mansion, 2 ancestral hall street, Che Po East, Tianhe District, Guangzhou, Guangdong Patentee before: GUANGZHOU VANVOV INFORMATION TECHNOLOGY CO., LTD. |