CN205265691U - Wireless bluetooth adapter - Google Patents
Wireless bluetooth adapter Download PDFInfo
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- CN205265691U CN205265691U CN201520981266.9U CN201520981266U CN205265691U CN 205265691 U CN205265691 U CN 205265691U CN 201520981266 U CN201520981266 U CN 201520981266U CN 205265691 U CN205265691 U CN 205265691U
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- 238000004891 communication Methods 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 6
- UAJUXJSXCLUTNU-UHFFFAOYSA-N pranlukast Chemical compound C=1C=C(OCCCCC=2C=CC=CC=2)C=CC=1C(=O)NC(C=1)=CC=C(C(C=2)=O)C=1OC=2C=1N=NNN=1 UAJUXJSXCLUTNU-UHFFFAOYSA-N 0.000 claims 1
- 229960004583 pranlukast Drugs 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 48
- 238000000034 method Methods 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a wireless bluetooth adapter for the setting is connected through test instrument's serial interface with test instrument on test instrument, is connected through the bluetooth with mobile terminal, specifically includes: through test instrument's serial interface get the electricity, the power supply voltage that provides test instrument carries out the power switching circuit that changes, establish the transceiver that the communication is connected between test instrument and mobile terminal, the transceiver includes, establishs the bluetooth communication unit of wireless bluetooth communication between test instrument and mobile terminal, and be connected with the transceiver, with transceiver received test instrument serial ports signal conversion for wait to launch the bluetooth signal, with transceiver received bluetooth signal conversion for waiting to send the signal conversion circuit for test instrument serial ports signal. The utility model provides a wireless bluetooth adapter realizes through the bluetooth that test instrument is connected with mobile terminal, can make things convenient for the on -the -spot test operation, improves work efficiency.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to a kind of wireless Bluetooth adapter.
Background technology
At present, power test instrument is all to connect to realize by serial ports and computer to communicate by letter mostly,That is to say, while using at the scene power test instrument, should be at power test instrument and tested equipmentOr wiring between device, wiring between power test instrument and computer, more loaded down with trivial details again, especiallyBetween different tested equipment or device, when switch test operation, be subject to the restriction of site work environment,Just between power test instrument and tested equipment or device, do not need to disconnect line, power test instrument andBetween computer, also often need to disconnect line thereupon, very inconvenient.
Therefore, design a kind of intermediate junction device, disconnect the work of line when simplifying on-the-spot test operationAmount, facilitates on-the-spot test operation, and operating efficiency is provided, and becomes necessary.
Utility model content
In view of this, the utility model provides a kind of wireless Bluetooth adapter, for being arranged on testerOn device, be connected with mobile terminal by bluetooth, can facilitate on-the-spot test operation, increase work efficiency.
For achieving the above object, the utility model provides following technical scheme:
A kind of wireless Bluetooth adapter, described wireless Bluetooth adapter is used for being arranged on tester, withTester is connected by the serial interface of described tester, is connected by bluetooth with mobile terminal,Described wireless Bluetooth adapter comprises:
Enter by the serial interface power taking of described tester, supply voltage that described tester is providedThe power-switching circuit of row conversion;
Between described tester and described mobile terminal, set up the transceiver that communication is connected; Described transmitting-receivingDevice comprises, sets up the bluetooth communication of wireless blue tooth communication between described tester and described mobile terminalUnit;
And be connected with described transceiver, the tester rs 232 serial interface signal that described transceiver is received turnsThe Bluetooth signal that is changed to Bluetooth signal to be launched, described transceiver is received is converted to be sent to testThe first signal change-over circuit of instrument rs 232 serial interface signal.
Preferably, the serial interface of described tester is RS232 (asynchronous transmission standard interface) serial portsInterface.
Preferably, described power-switching circuit comprise overvoltage crowbar and with described overvoltage crowbar phaseThe mu balanced circuit connecting.
Preferably, described overvoltage crowbar is made up of a resistance and a diodes in parallel, described steadyVolt circuit is positive voltage adjuster chip.
Preferably, described transceiver also comprises, serial interface and described the movement eventually of described testerBetween end, set up the serial communication unit of serial communication;
Described wireless Bluetooth adapter also comprises, is connected with described transceiver, and described transceiver is connectThe tester rs 232 serial interface signal of receiving is converted to the signal to mobile terminal to be sent, described transceiver is connectThe signal of the mobile terminal of receiving is converted to the secondary signal conversion electricity of tester rs 232 serial interface signal to be sentRoad.
Preferably, described transceiver is RS232 transceiver.
Preferably, described bluetooth communication unit comprises:
Bluetooth module;
Described bluetooth module comprises the protocol conversion to carrying out protocol conversion between rs 232 serial interface signal and Bluetooth signalCircuit, and be connected with described protocol conversion circuitry, the dual-mode antenna of bluetooth.
Preferably, described bluetooth module adopts the 6th generation or the 7th generation BlueCore Bluetooth chip.
Known via above-mentioned technical scheme, compared with prior art, the utility model provides a kind of nothingLine Bluetooth adapter. The wireless Bluetooth adapter that the utility model provides, wireless Bluetooth adapter is used for establishingPut on tester, be connected by the serial interface of described tester with tester, with movementTerminal is connected by bluetooth, and bluetooth is a kind of mode of radio communication, that is to say, this practicality is newThe wireless Bluetooth adapter that type provides is connected by the mode of radio communication with mobile terminal. Concrete,Described wireless Bluetooth adapter comprises, power-switching circuit, transceiver and first signal change-over circuit, electricityPower-switching circuit, from the serial interface power taking of described tester, is wireless Bluetooth adapter power supply, firstSignaling conversion circuit and transceiver collaborative work, realize the Bluetooth signal of the transmission of mobile terminal offeredUnderground lead-in wire continuity test instrument, and underground lead-in wire continuity test instrument rs 232 serial interface signal is fed back to again eventually mobileEnd, these two processes are all that wireless Bluetooth adapter is connected with mobile terminal by the mode of radio communication.Therefore, can be determined by above-mentioned analysis, tester by this middle device of wireless Bluetooth adapter withBetween mobile terminal, realize the connection of the two by the mode of radio communication, meanwhile, wireless blue tooth adaptationDevice is arranged on tester, because the effective propagation path of bluetooth is much larger than current tester and computerBetween the length of connecting line, meet the needed length of on-the-spot test operation, therefore, apply this practicalityThe novel technical scheme providing, can ensure under the prerequisite of on-the-spot proper testing operation power test instrumentBetween device and computer, do not need wiring again, just saved power test instrument and calculating in prior art yetBetween machine, connect the workload of taking out stitches and forming, only need between tester and tested equipment, disconnect line,Workload obviously reduces, thereby can facilitate person skilled to carry out on-the-spot test operation, raising workEfficiency.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below willAccompanying drawing to required use in embodiment or description of the Prior Art is briefly described, apparently,Accompanying drawing in the following describes is only embodiment of the present utility model, comes for those of ordinary skill in the artSay, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The structure chart of a kind of wireless Bluetooth adapter that Fig. 1 provides for the utility model embodiment;
The structure of power-switching circuit in the wireless Bluetooth adapter that Fig. 2 provides for the utility model embodimentFigure;
The structure chart of bluetooth module in the wireless Bluetooth adapter that Fig. 3 provides for the utility model embodiment;
First signal change-over circuit in the wireless Bluetooth adapter that Fig. 4 provides for the utility model embodimentStructure chart;
Secondary signal change-over circuit in the wireless Bluetooth adapter that Fig. 5 provides for the utility model embodimentStructure chart.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technology in the utility model embodimentScheme is clearly and completely described, and obviously, described embodiment is only one of the utility modelDivide embodiment, instead of whole embodiment. Based on the embodiment in the utility model, this area is commonTechnical staff is not making the every other embodiment obtaining under creative work prerequisite, all belongs to thisThe scope of utility model protection.
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction withThe drawings and specific embodiments are described in further detail prior art and the utility model.
Embodiment
Refer to Fig. 1, the structure of a kind of wireless Bluetooth adapter that Fig. 1 provides for the utility model embodimentFigure. The wireless Bluetooth adapter that the utility model embodiment provides, for being arranged on tester, withTester is connected by the serial interface of described tester, is connected by bluetooth with mobile terminal.As shown in Figure 1, this wireless Bluetooth adapter, comprising:
Enter by the serial interface power taking of described tester, supply voltage that described tester is providedThe power-switching circuit 101 of row conversion;
Concrete, the serial interface of described tester is RS232 (asynchronous transmission standard interface) serial portsInterface, that is to say, wireless Bluetooth adapter is by RS232 serial interface and the tester of testerDevice is connected. Concrete, described mobile terminal can lead to for smart mobile phone, panel computer etc. possess bluetoothThe intelligent terminal of communication function.
Refer to Fig. 2, power supply conversion in the wireless Bluetooth adapter that Fig. 2 provides for the utility model embodimentThe structure chart of circuit. As shown in Figure 2, concrete, described power-switching circuit 101 comprises:
Overvoltage crowbar and the mu balanced circuit being connected with described overvoltage crowbar, described overvoltage protectionCircuit forms by a resistance R 1 is in parallel with diode D1, and described mu balanced circuit is positive voltage adjustmentDevice chip 1011, optional, shown in positive voltage adjuster chip 1011 be high accuracy, low-power consumption, ultralowThe positive voltage adjuster chip of pressure drop. Concrete, shown in power-switching circuit 101 in the time of work, from J1The DC voltage of interface (interface being connected with described tester RS232 interface) input 3V～6V,After power-switching circuit conversion, output 3.3V DC voltage, this 3.3V direct current is as wireless indigo plantThe power supply of tooth adapter.
Between described tester and described mobile terminal, set up the transceiver 102 that communication is connected;
Concrete, described transceiver respectively with output and the described test of described power-switching circuit 101The serial interface of instrument is connected, and is connected by the mode of Bluetooth wireless communication with described mobile terminal.Concrete, the output of described power-switching circuit 101 is described transceiver power supply; Described transceiver is logicalCross with the serial interface of described tester and be connected, realize the control signal of mobile terminal is sent to instituteState tester, receive the rs 232 serial interface signal of tester feedback; Described transceiver and described mobile terminal are logicalThe mode of crossing Bluetooth wireless communication is connected, and realizes the bluetooth to tester that mobile terminal receive sendsSignal (being specially control signal), and mobile terminal sends the rs 232 serial interface signal (tool of tester feedbackBody comprises test result signal).
Concrete, in the wireless Bluetooth adapter that the utility model embodiment provides, described transceiver 102Comprise RS232 transceiver.
Concrete, described transceiver 102 comprises, between described tester and described mobile terminal, buildsThe bluetooth communication unit of vertical wireless blue tooth communication, this bluetooth communication unit is connected with RS232 transceiver,Receive the rs 232 serial interface signal of the tester of described RS232 transceiver forwarding. Concrete, described bluetooth communicationUnit comprises:
Bluetooth module;
Described bluetooth module comprises the protocol conversion to carrying out protocol conversion between rs 232 serial interface signal and Bluetooth signalCircuit, and be connected with described protocol conversion circuitry, the dual-mode antenna of bluetooth.
Refer to Fig. 3, bluetooth module in the wireless Bluetooth adapter that Fig. 3 provides for the utility model embodimentStructure chart.
Optionally, described bluetooth module adopts the 6th generation or the 7th generation BlueCore Bluetooth chip. The 6th generationOr the 7th generation BlueCore Bluetooth chip, can provide broad bluetooth coverage, the reliability of communicationVery high, can be good at meeting the requirement of on-the-spot test operation to signal transmission distance and signal transmission quality.
And be connected with described transceiver 102, the tester serial ports letter that described transceiver is receivedThe Bluetooth signal that number be converted to Bluetooth signal to be launched, described transceiver is received be converted to be sent toThe first signal change-over circuit 103 of tester rs 232 serial interface signal;
That is to say, described first signal change-over circuit 103 is connected with described transceiver 102, forThe tester rs 232 serial interface signal that described transceiver is received is converted to Bluetooth signal to be launched, by described receiptsThe Bluetooth signal that hair device receives is converted to be sent to tester rs 232 serial interface signal,, realizes described receipts that isThe automatic conversion of hair device 102 receiving and transmitting signals.
Concrete, refer to Fig. 4, in the wireless Bluetooth adapter that Fig. 4 provides for the utility model embodimentThe structure chart of first signal change-over circuit. As shown in Figure 4, described first signal change-over circuit 103 comprises:
The first conversion electronic circuit 1031 and the second conversion electronic circuit 1032;
The tester of diode D2 in the first conversion electronic circuit 1031 for described transceiver is receivedDevice rs 232 serial interface signal is converted to Bluetooth signal to be launched;
The bluetooth letter of diode D3 in the second conversion electronic circuit 1032 for described transceiver is receivedNumber be converted to the rs 232 serial interface signal to tester to be sent, the metal-oxide-semiconductor in the second conversion electronic circuit 1032Q2 is for realizing the compatibility of first signal change-over circuit to level, is specially 3V～5V level signalCompatible.
Concrete, described transceiver 102, described first signal change-over circuit 103 turn with described power supply respectivelyChange circuit 101 and be connected, accept its electric power supply, that is to say, described power-switching circuit 101 fromThe serial interface power taking of described tester is wireless Bluetooth adapter power supply.
The wireless Bluetooth adapter that the utility model embodiment provides, for being arranged on tester, withTester is connected by the serial interface of described tester, is connected by bluetooth with mobile terminal,And bluetooth is a kind of mode of radio communication, that is to say the wireless blue tooth adaptation that the utility model providesDevice is connected by the mode of radio communication with mobile terminal. Concrete, described wireless Bluetooth adapter bagDraw together, power-switching circuit, transceiver and first signal change-over circuit, power-switching circuit is from described testThe serial interface power taking of instrument is wireless Bluetooth adapter power supply, first signal change-over circuit and transceiverCollaborative work, realizes the Bluetooth signal of the transmission of mobile terminal is offered to underground lead-in wire continuity test instrument,And underground lead-in wire continuity test instrument rs 232 serial interface signal is fed back to mobile terminal again, these two processes are all nothingsLine Bluetooth adapter is connected with mobile terminal by the mode of radio communication. Therefore, can by above-mentioned analysisTo determine, tester is by passing through nothing between this middle device of wireless Bluetooth adapter and mobile terminalThe mode of line communication realizes the connection of the two, and meanwhile, wireless Bluetooth adapter is arranged on tester,Because the effective propagation path of bluetooth is much larger than the length of connecting line between current tester and computer,Meet the needed length of on-the-spot test operation, therefore, the technical scheme that application the utility model provides,Under the prerequisite of on-the-spot proper testing operation, between power test instrument and computer, do not need can ensureWiring again, has also just saved in prior art and has connect the work of taking out stitches and forming between power test instrument and computerMeasure, only need between tester and tested equipment, disconnect line, workload obviously reduces, fromAnd can facilitate person skilled to carry out on-the-spot test operation, increase work efficiency.
For the reliability of the wireless Bluetooth adapter that further raising the utility model provides, this practicality is newType also provides another one embodiment.
In the another one embodiment that the utility model provides, described transceiver 102 also comprises:
Between described tester and described mobile terminal, set up the serial communication unit of wire communication.
Concrete, described transceiver 102 is RS232 transceiver,, described serial communication unit is passableBe arranged on described RS232 transceiver inside.
Serial communication unit is set, can avoid bluetooth communication cell operation undesired time, returns in timeWired connection, that is, be arranged on the basis on tester at wireless Bluetooth adapter, directly by wirelessBluetooth adapter again with mobile terminal wired connection, thereby can proceed test jobs, can enter oneStep improves the reliability of on-the-spot test operation.
Concrete, when described transceiver 102 also comprises serial communication unit, the nothing that the utility model providesLine Bluetooth adapter, also comprises:
Be connected with described transceiver 102, the tester rs 232 serial interface signal that described transceiver is received turnsBeing changed to the signal to mobile terminal signal, mobile terminal that described transceiver is received to be sent is converted toThe secondary signal change-over circuit of tester rs 232 serial interface signal to be sent.
That is to say, described secondary signal change-over circuit is connected with described transceiver 102, for by institute(controlling) signal of stating the mobile terminal that transceiver receives is converted to the serial ports that sends to testerSignal, the tester rs 232 serial interface signal that described transceiver is received (being test result signal) is converted toSend to the signal of mobile terminal.
Concrete, refer to Fig. 5, in the wireless Bluetooth adapter that Fig. 5 provides for the utility model embodimentThe structure chart of secondary signal change-over circuit. As shown in Figure 5, described secondary signal change-over circuit comprises:
The 3rd conversion electronic circuit 1041 and the 4th conversion electronic circuit 1042;
The tester of diode D4 in the 3rd conversion electronic circuit 1041 for described transceiver is receivedDevice rs 232 serial interface signal is converted to the signal to mobile terminal to be sent;
Diode D5 in the 4th conversion electronic circuit 1042 is eventually mobile for what described transceiver was receivedThe signal of end is converted to the rs 232 serial interface signal to tester to be sent, in the second conversion electronic circuit 1042Metal-oxide-semiconductor Q2, for realizing the compatibility of secondary signal change-over circuit to level, is specially the level to 3V-5VThe compatibility of signal.
Certainly, described the second change-over circuit is also connected with the output of described power-switching circuit 101,Receive its electric power supply.
Concrete, diode D2 is in parallel with diode D4, and diode D3 is in parallel with diode D5.
Optionally, in the utility model embodiment, diode D2, D3, D4 and D5 are Zener twoUtmost point pipe, metal-oxide-semiconductor is N-type metal-oxide-semiconductor.
Known via above-mentioned technical scheme, compared with prior art, the utility model provides a kind of nothingLine Bluetooth adapter. The wireless Bluetooth adapter that the utility model provides, wireless Bluetooth adapter is used for establishingPut on tester, be connected by the serial interface of described tester with tester, with movementTerminal is connected by bluetooth, and bluetooth is a kind of mode of radio communication, that is to say, this practicality is newThe wireless Bluetooth adapter that type provides is connected by the mode of radio communication with mobile terminal. Concrete,Described wireless Bluetooth adapter comprises, power-switching circuit, transceiver and first signal change-over circuit, electricityPower-switching circuit, from the serial interface power taking of described tester, is wireless Bluetooth adapter power supply, firstSignaling conversion circuit and transceiver collaborative work, realize the Bluetooth signal of the transmission of mobile terminal offeredUnderground lead-in wire continuity test instrument, and underground lead-in wire continuity test instrument rs 232 serial interface signal is fed back to again eventually mobileEnd, these two processes are all that wireless Bluetooth adapter is connected with mobile terminal by the mode of radio communication.Therefore, can be determined by above-mentioned analysis, tester by this middle device of wireless Bluetooth adapter withBetween mobile terminal, realize the connection of the two by the mode of radio communication, meanwhile, wireless blue tooth adaptationDevice is arranged on tester, because the effective propagation path of bluetooth is much larger than current tester and computerBetween the length of connecting line, meet the needed length of on-the-spot test operation, therefore, apply this practicalityThe novel technical scheme providing, can ensure under the prerequisite of on-the-spot proper testing operation power test instrumentBetween device and computer, do not need wiring again, just saved power test instrument and calculating in prior art yetBetween machine, connect the workload of taking out stitches and forming, only need between tester and tested equipment, disconnect line,Workload obviously reduces, thereby can facilitate person skilled to carry out on-the-spot test operation, raising workEfficiency.
Finally, also it should be noted that, in this article, the relational terms such as the first and second gradesOnly be used for an entity or operation and another entity or operating space to separate, and not necessarily requirementOr imply the relation or the order that between these entities or operation, there are any this reality. And, artLanguage " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, therebyThe process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, andAlso comprise other key elements of clearly not listing, or be also included as this process, method, article orThe key element that person's equipment is intrinsic. In the situation that there is no more restrictions, by statement " comprising ... "The key element limiting, and be not precluded within process, method, article or the equipment that comprises described key element and also depositAt other identical element.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stressesBe and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe utility model. To be aobvious for those skilled in the art to the multiple amendment of these embodimentAnd easily see, General Principle as defined herein can not depart from spirit or scope of the present utility modelSituation under, in other embodiments realize. Therefore, the utility model will can not be restricted to institute hereinThese embodiment that show, but to meet consistent with principle disclosed herein and features of novelty the widestScope.
Claims (8)
1. a wireless Bluetooth adapter, is characterized in that, described wireless Bluetooth adapter is used for being arranged onOn tester, be connected by the serial interface of described tester with tester, with mobile terminalBe connected by bluetooth, described wireless Bluetooth adapter comprises:
Enter by the serial interface power taking of described tester, supply voltage that described tester is providedThe power-switching circuit of row conversion;
Between described tester and described mobile terminal, set up the transceiver that communication is connected; Described transmitting-receivingDevice comprises, sets up the bluetooth communication of wireless blue tooth communication between described tester and described mobile terminalUnit;
And be connected with described transceiver, the tester rs 232 serial interface signal that described transceiver is received turnsThe Bluetooth signal that is changed to Bluetooth signal to be launched, described transceiver is received is converted to be sent to testThe first signal change-over circuit of instrument rs 232 serial interface signal.
2. wireless Bluetooth adapter according to claim 1, is characterized in that, described testerSerial interface be RS232 (asynchronous transmission standard interface) serial interface.
3. wireless Bluetooth adapter according to claim 1, is characterized in that, described power supply conversionCircuit comprises overvoltage crowbar and the mu balanced circuit being connected with described overvoltage crowbar.
4. wireless Bluetooth adapter according to claim 3, is characterized in that, described overvoltage protectionCircuit is made up of a resistance and a diodes in parallel, and described mu balanced circuit is positive voltage adjuster chip.
5. wireless Bluetooth adapter according to claim 1, is characterized in that, described transceiver alsoComprise, between the serial interface of described tester and described mobile terminal, set up the serial ports of serial communicationCommunication unit;
Described wireless Bluetooth adapter also comprises, is connected with described transceiver, and described transceiver is connectThe tester rs 232 serial interface signal of receiving is converted to the signal to mobile terminal to be sent, described transceiver is connectThe signal of the mobile terminal of receiving is converted to the secondary signal conversion electricity of tester rs 232 serial interface signal to be sentRoad.
6. wireless Bluetooth adapter according to claim 1 and 2, is characterized in that, described transmitting-receivingDevice is RS232 transceiver.
7. wireless Bluetooth adapter according to claim 1, is characterized in that, described bluetooth communicationUnit comprises:
Bluetooth module;
Described bluetooth module comprises the protocol conversion to carrying out protocol conversion between rs 232 serial interface signal and Bluetooth signalCircuit, and be connected with described protocol conversion circuitry, the dual-mode antenna of bluetooth.
8. wireless Bluetooth adapter according to claim 7, is characterized in that, described bluetooth moduleAdopt the 6th generation or the 7th generation BlueCore Bluetooth chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520981266.9U CN205265691U (en) | 2015-11-27 | 2015-11-27 | Wireless bluetooth adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520981266.9U CN205265691U (en) | 2015-11-27 | 2015-11-27 | Wireless bluetooth adapter |
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| Publication Number | Publication Date |
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| CN205265691U true CN205265691U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520981266.9U Active CN205265691U (en) | 2015-11-27 | 2015-11-27 | Wireless bluetooth adapter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337643A (en) * | 2015-11-27 | 2016-02-17 | 国家电网公司 | Wireless bluetooth adapter |
| CN109168153A (en) * | 2018-10-17 | 2019-01-08 | 杭州兆华电子有限公司 | A kind of Bluetooth audio equipment test method based on double Bluetooth adapter unipaths |
-
2015
- 2015-11-27 CN CN201520981266.9U patent/CN205265691U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337643A (en) * | 2015-11-27 | 2016-02-17 | 国家电网公司 | Wireless bluetooth adapter |
| CN109168153A (en) * | 2018-10-17 | 2019-01-08 | 杭州兆华电子有限公司 | A kind of Bluetooth audio equipment test method based on double Bluetooth adapter unipaths |
| CN109168153B (en) * | 2018-10-17 | 2020-11-10 | 杭州兆华电子有限公司 | Bluetooth audio equipment testing method based on double Bluetooth adapters and single channel |
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Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Patentee after: WENZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co. Patentee before: WENZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co. |
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Effective date of registration: 20210207 Address after: 325000 200 Yucang East Road, Puzhou street, Longwan District, Wenzhou City, Zhejiang Province Patentee after: WENZHOU CHANGTAI ELECTRIC POWER SWITCH BRANCH COMPANY, ZHEJIANG POWER TRANSFORMER Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Patentee before: WENZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |