CN103561483A - Indoor positioning terminal with temperature detection function and control method and system - Google Patents
Indoor positioning terminal with temperature detection function and control method and system Download PDFInfo
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- CN103561483A CN103561483A CN201310557734.5A CN201310557734A CN103561483A CN 103561483 A CN103561483 A CN 103561483A CN 201310557734 A CN201310557734 A CN 201310557734A CN 103561483 A CN103561483 A CN 103561483A
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Abstract
The invention provides an indoor positioning terminal with a temperature detection function. The indoor positioning terminal with the temperature detection function is used for obtaining the temperature information of the surrounding environment in real time, comprises a main control unit and a Bluetooth module, and is characterized by further comprising a temperature detection unit and a temperature sensing module. Through the matching between the temperature detection unit and the temperature sensing module, an ordinary indoor terminal with a positioning function can be changed into the indoor positioning terminal with the temperature detection function, and therefore a mobile terminal adaptive to the functions of the indoor positioning terminal can obtain the temperature information of the surrounding environment in real time, and great convenience is provided for the mobile terminal. The indoor positioning terminal with the temperature detection function has the advantages of being simple in structure, low in cost and the like, and is applied to the market conveniently.
Description
Technical field
The present invention relates to signal and communication and temperature information collecting device, signal and communication and ambient temperature information collecting device in particular for location, particularly, relate to the terminal equipment based on Bluetooth technology, especially the mobile phone indoor positioning terminal based on Bluetooth technology and ambient temperature information collecting device.
Background technology
At present, Bluetooth technology is reached perfection.In subrange, Bluetooth communication has the advantages such as better reliability, fail safe and fault-tolerant energy are strong.These advantages make the application of Bluetooth technology on commercial market also more and more extensive, and mobile phone periphery accessory is exactly its typical case and ripe application.Application based on Bluetooth of mobile phone, has also brought new development space to bluetooth, utilizes bluetooth, and people can utilize mobile phone remote to obtain ambient temperature information, realize the indoor positioning of mobile phone.Locating cellphone can offer population with special need when in danger a key report to the police require assistance, target locations are determined in 110,120 rescues fast, the head of a family is to the go out warning locating cellphone of walking position inquiry, safety custody of old children, also can obtain warning message from locating cellphone, be " nurse with oneself " of individual security protection, emotional affection love.Applicable with have meet robs, be in distress, get lost, wander away, acute disease (heart, hypertension) burst, chance calamity are possible needs seek help crowd and children, old man, amentia etc. of emergency alarm to need monitoring crowd.Also can orientate user as by accurate hand provides route guidance, periphery service for life to consult etc. simultaneously, improves the using value of mobile phone and the service range of operator.
Under such applied environment, people are also more and more diversified for the demand based on mobile terminal application, and for example part demand requires to realize location by mobile terminal and also can obtain in real time the temperature information of surrounding environment.But also do not have at present similar product to occur.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of indoor positioning terminal and corresponding control method and corresponding mobile application system with temperature detecting function.
According to an aspect of the present invention, provide a kind of indoor positioning terminal with temperature detecting function, its temperature information for Real-time Obtaining surrounding environment and mobile phone indoor positioning function, comprising:
Main control unit, it is at least for receiving described temperature information and processing;
Bluetooth module, it is electrically connected to described main control unit, and at least for receiving from the control information of described main control unit and processing;
It is characterized in that, also comprise temperature detecting unit and temperature sensing module, described temperature detecting unit is at least electrically connected to described temperature sensing module, described temperature sensing module is also at least electrically connected to described main control unit, and described temperature sensing module transfers to described main control unit for the temperature information of the surrounding environment obtained from described temperature detecting unit.
Preferably, described bluetooth module comprises bluetooth module; Radio-frequency antenna, it is for external transmitting information; Crystal oscillator 3; Storage chip 4, it is for storing data; TTL RS 232 module 5; Supply module, it is for powering to described bluetooth module 1; Described radio-frequency antenna 2, crystal oscillator 3, storage chip 4, TTL RS 232 module 5, supply module are connected with described bluetooth module 1 respectively.
Preferably, described storage chip 4 is also connected with described main control unit.
Preferably, described supply module comprises that 5V turns 3.3V voltage module and power supply, and described 5V turns 3.3V voltage module and connects respectively described power supply and described bluetooth module, and described 5V turns 3.3V voltage module and preferably includes a variable resistor module.
Preferably, described power supply is preferably lithium battery 7.
Preferably, also comprise interface circuit, described interface circuit, for connecting described main control unit and described bluetooth module to realize exchanges data between the two, connects described main control unit and described temperature detecting unit to realize exchanges data between the two.
Preferably, also comprise auxiliary circuit.
According to another aspect of the present invention, also provide a kind of and it is characterized in that according to carrying out the control method of temperature detection in above-mentioned indoor positioning terminal, comprise the steps:
A. described temperature detecting unit obtains the temperature information of surrounding environment;
B. described temperature detecting unit is transferred to described temperature sensing module by described temperature information;
C. described temperature sensing module is transferred to described main control unit by described temperature information;
D. described main control unit generates bluetooth storage information based on described temperature information;
E. described bluetooth storage information is stored in described storage chip;
Wherein, all or part of unique identification information as described indoor positioning terminal of described bluetooth storage information.
Preferably, described steps d comprises the steps:
D1. described main control unit obtains configurable command information from described bluetooth module;
D2. described main control unit generates described bluetooth storage information based on described temperature information and described configurable command information.
Preferably, described steps d can also comprise the steps:
D1 '. described main control unit is transferred to described bluetooth module by described temperature information;
D2 '. described bluetooth module generates described bluetooth storage information based on described temperature information and configurable command information.
Preferably, described configurable command information at least comprises one or more in following information:
-Bluetooth broadcast address;
-address airtime gap; And
-address broadcast signal strength.
According to a further aspect of the invention, a kind of mobile application system of temperature information that can Real-time Obtaining surrounding environment is also provided, it is characterized in that, comprise: one or more according to above-mentioned indoor positioning terminal, and, one or more mobile terminals, described mobile terminal at least comprises bluetooth receiver module, temperature information display module, described temperature information display module is connected with the display control chip of described bluetooth receiver module and described mobile terminal at least respectively, described temperature information display module sends to described display control chip after receiving the temperature information obtaining from described bluetooth receiver module.
Preferably, described temperature information display module generates and shows data message based on described temperature information, and described demonstration data message is sent to described display control chip.
Preferably, in described demonstration data message, at least comprise one or more in following information:
-current time information;
-current humidity information;
The latitude and longitude information of mobile terminal position ,-place;
-dressing the information corresponding with described temperature information.
The present invention coordinates by temperature detecting unit and temperature sensing module, make common have can positioning function indoor terminal change the indoor positioning terminal with temperature detecting function into, thereby make to have the temperature information that the mobile terminal that adapts with this indoor positioning termination function can Real-time Obtaining surrounding environment, for mobile terminal provides larger convenience.By such terminal and mobile application system, can increase the audient of mobile terminal, thereby drive market sale.And the feature such as that the present invention has is simple in structure, cost is low is convenient to market application.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates according to the first embodiment of the present invention, has the partial structurtes schematic diagram of the indoor positioning terminal of temperature detecting function;
Fig. 2 illustrates according to the first embodiment of the present invention, has the structural representation that 5V in the bluetooth module of indoor positioning terminal of temperature detecting function turns 3.3V voltage module; And
Fig. 3 illustrates according to the first embodiment of the present invention, the topological diagram of the mobile application system of temperature information that can Real-time Obtaining surrounding environment.
Label declaration:
1. bluetooth module, 2. radio-frequency antenna,
3. crystal oscillator, 4. storage chip,
5.TTL RS 232 module, 6.5V turns 3.3V voltage module,
7. lithium battery, 8. temperature sensing module
Embodiment
It will be appreciated by those skilled in the art that in the present invention, in the existing terminal-based that can realize indoor positioning, increased the function of detected temperatures, thereby made described indoor positioning terminal there is the function of detected temperatures.Particularly, described in there is the indoor positioning terminal of temperature detecting function, it,, for the temperature information of Real-time Obtaining surrounding environment, comprising:
Main control unit, it is at least for receiving described temperature information and processing;
Bluetooth module, it is electrically connected to described main control unit, and at least for receiving from the control information of described main control unit and processing;
It is characterized in that, also comprise temperature detecting unit and temperature sensing module, described temperature detecting unit is at least electrically connected to described temperature sensing module, described temperature sensing module is also at least electrically connected to described main control unit, and described temperature sensing module transfers to described main control unit for the temperature information of the surrounding environment obtained from described temperature detecting unit.
Further, those skilled in the art understand, described temperature detecting unit obtains the temperature information of surrounding environment, described temperature detecting unit is transferred to described temperature sensing module by described temperature information, described temperature sensing module is transferred to described main control unit by described temperature information, and then described main control unit can be so that described bluetooth module externally sends temperature information, thereby can be obtained described temperature information by various mobile terminals.
Further, those skilled in the art understand, preferably, the mobile terminal with bluetooth module can receive described temperature information, and then can directly on these mobile terminals, show described temperature information, also, after these temperature informations can being processed, for example, be presented on described mobile terminal after increasing current temporal information and other information.Preferably, described mobile terminal should be provided with the application program corresponding with above-mentioned functions or control device, thereby can show better described temperature information.
On this basis, Fig. 1 illustrates according to the first embodiment of the present invention, has the partial structurtes schematic diagram of the indoor positioning terminal of temperature detecting function.Preferably, by embodiment illustrated in fig. 1, described bluetooth module comprises bluetooth module; Radio-frequency antenna 2, it is for external transmitting information; Crystal oscillator 3; Storage chip 4, it is for storing data; TTL RS 232 module 5; Supply module (in figure not label), it is for to described bluetooth module 1 power supply; Described radio-frequency antenna 2, crystal oscillator 3, storage chip 4, TTL RS 232 module 5, supply module are connected with described bluetooth module 1 respectively.
Preferably, described supply module comprises that 5V turns 3.3V voltage module 6 and power module 7, and described 5V turns 3.3V voltage module 6 and connects respectively described power module 7 and described bluetooth module 1.Described 5V turns 3.3V voltage module 6 and preferably includes a variable resistor module, and embodiment describes as shown in Figure 2 particularly, does not repeat them here.
Preferably, in the present embodiment, also show described temperature sensing module 8, described temperature sensing module 8 is also preferably connected with described bluetooth module 1 in the present embodiment, does not repeat them here.
In a variation example embodiment illustrated in fig. 1, described storage chip 4 is also connected with described main control unit, not shown.In such variation example, described main control unit directly writes temperature information or other data in described storage chip 4, does not repeat them here.
Further, those skilled in the art can, with reference to the function of existing techniques in realizing said radio-frequency antenna 2 and crystal oscillator 3, not repeat them here.
Fig. 2 illustrates according to the first embodiment of the present invention, has the structural representation that 5V in the bluetooth module of indoor positioning terminal of temperature detecting function turns 3.3V voltage module.In the present embodiment, described input is for input voltage, and output, for output voltage, meanwhile, also comprises variable resistor.Described input voltage is by variable-resistance size decision, and variable resistor increases output voltage and increases, and variable resistor reduces output voltage and reduces, and when output voltage changes, the transmitting power of Bluetooth chip can increase thereupon or reduce.
With reference to above-mentioned Fig. 1 and Fig. 2, preferably, those skilled in the art understand, described power module 7 in Fig. 1 preferably adopts battery, lithium battery for example, and change in example at one, described power module also can adopt city power supply to add the pattern of transformer, and this does not affect technology contents of the present invention.
Fig. 3 illustrates according to the first embodiment of the present invention, the topological diagram of the mobile application system of temperature information that can Real-time Obtaining surrounding environment.Preferably, in the present embodiment, the mobile application system of described temperature information that can Real-time Obtaining surrounding environment comprises one or more according to above-mentioned indoor positioning terminal 91, 92 ... 9N, and, one or more mobile terminals 51, 52, 53, 54 ... 5N, described mobile terminal at least comprises bluetooth receiver module, temperature information display module (not shown in Fig. 3), described temperature information display module is connected with the display control chip of described bluetooth receiver module and described mobile terminal at least respectively, described temperature information display module sends to described display control chip after receiving the temperature information obtaining from described bluetooth receiver module.
In the present embodiment, preferably, described bluetooth receiver module receives temperature information from described indoor positioning terminal, preferably directly described temperature information is sent to described temperature information display module, described temperature information display module does not carry out any processing to described temperature information, directly described temperature information is sent to described display control chip, described display control chip directly shows described temperature information on the display of described mobile terminal.
It will be appreciated by those skilled in the art that described display control chip can adopt described mobile terminal, the former display control chip in a mobile phone for example, the control chip group that for example described display is corresponding, does not repeat them here.
At another, change in example, preferably, described temperature information display module generates and shows data message based on described temperature information, and described demonstration data message is sent to described display control chip.Preferably, in described demonstration data message, at least comprise one or more in following information:
-current time information;
-current humidity information;
The latitude and longitude information of mobile terminal position ,-place;
-dressing the information corresponding with described temperature information.
Further, it will be appreciated by those skilled in the art that described demonstration data message can be a combined information of described temperature information and described current time information, and can show with different data formats, this does not affect technology contents of the present invention, does not repeat them here.
With reference to above-mentioned Fig. 1, to embodiment illustrated in fig. 3, it will be appreciated by those skilled in the art that in above-mentioned indoor positioning terminal, by following control method, realize temperature detection and temperature information transfers to outside process, preferably include following steps:
A. described temperature detecting unit obtains the temperature information of surrounding environment;
B. described temperature detecting unit is transferred to described temperature sensing module by described temperature information;
C. described temperature sensing module is transferred to described main control unit by described temperature information;
D. described main control unit generates bluetooth storage information based on described temperature information;
E. described bluetooth storage information is stored in described storage chip;
Wherein, all or part of unique identification information as described indoor positioning terminal of described bluetooth storage information.
Those skilled in the art understand, in the situation that described bluetooth storage information is as the unique identification information of described indoor positioning terminal, between a plurality of described indoor positioning terminals, can not clash, thereby described mobile terminal can receive and identify received temperature information exactly comes from for which indoor positioning terminal, does not repeat them here.
Further, described main control unit and described bluetooth module all can write described bluetooth storage information in described storage chip, so steps d of the present invention can realize by different modes, have adopted different control flows.In a preferred embodiment, described steps d comprises the steps:
D1. described main control unit obtains configurable command information from described bluetooth module;
D2. described main control unit generates described bluetooth storage information based on described temperature information and described configurable command information.
In such embodiments, by main control unit, to described storage chip, write described bluetooth storage information, described main control unit plays main control, processing capacity.
And change in example at another, described steps d can comprise the steps:
D1 '. described main control unit is transferred to described bluetooth module by described temperature information;
D2 '. described bluetooth module generates described bluetooth storage information based on described temperature information and configurable command information.
In such variation example, described bluetooth module plays main processing effect, and it processes accordingly from described main control unit obtains temperature information, does not repeat them here.
Further, it will be appreciated by those skilled in the art that
Preferably, described configurable command information at least comprises one or more in following information:
-Bluetooth broadcast address;
-address airtime gap; And
-address broadcast signal strength.
Further, those skilled in the art understand, in a preferred embodiment, by terminal provided by the invention and system, mobile phone indoor positioning terminal Bluetooth module and ambient temperature detecting sensor can be integrated together, form the terminal equipment that a mobile phone indoor positioning based on Bluetooth technology and ambient temperature information gather.
Mobile phone indoor positioning terminal with temperature sense, is mainly comprised of Single-chip Controlling unit, bluetooth module, temperature detecting unit, interface circuit and other auxiliary circuit, and system configuration as shown in Figure 1 above.The core that control unit single-chip microcomputer (MCU) is whole system, changes, transmits the temperature data detecting.Bluetooth module comprises bluetooth module 1, . radio-frequency antenna 2, . crystal oscillator 3, storage chip 4, TTL RS 232 module 5, .5V turn 3.3V voltage module 6, lithium battery 7, temperature sensing module 8, be responsible for carrying out wireless connections and transfer of data with Bluetooth control terminal, bluetooth module carries RAM memory interface, be connected with storage chip, when temperature detecting unit senses after information, temperature detecting unit is by responded to temperature information, interface by temperature sense module and MCU is transferred to MCU control unit, there is MCU this information of temperature information to be set to a part for Bluetooth chip title.While arranging, bluetooth module 1 stores configurable command information in storage chip 4 into simultaneously, such as Bluetooth broadcast address, address airtime gap and address broadcast signal strength, can be kept in storage chip 4, thereby guarantee the stability of the broadcast address of this bluetooth cellular phone indoor positioning terminal equipment, and can not produce address conflict with other modules, cause situation about cannot be identified by cell phone apparatus.
Embodiment, selects a kind of modified model intelligent temperature sensor 8 to be connected with bluetooth module group 1, voltage transformation module 6 as shown in Figure 1.By 5V lithium battery 7 for temperature sensor provides power supply, temperature sensor 9 ground connection, but temperature sensor collects and exports 10 by temperature sensor signal after temperature signal and be connected with the single-chip microcomputer of bluetooth module group 1.After the temperature information that single-chip microcomputer receives, the temperature information of 9～12 is initialized as to the part in the title of bluetooth module, as set first 12 of bluetooth module address, encodes for temperature information.After completing, setting outwards broadcasts bluetooth MAC Address and title by Bluetooth chip.Other bluetooth checkout equipments only need to enter the title that bluetooth locating terminal detected with the mobile phone locating terminal signal cover (0～20 meter) of temperature sense function as " band bluetooth enabled cell phone ", and front 12 bit value that intercept Bluetooth terminal title by the indoor positioning APP installing on mobile phone are resolved the real time temperature information that just can obtain current environment.
Preferably, described temperature detecting unit adopts DS18B02 type transducer, is a kind of modified model intelligent temperature sensor, compares with traditional temperature elements such as thermistor, it can directly read dut temperature, and can by programming, realize according to actual requirement the digital value reading mode of 9～12.The interface circuit of temperature sensor and single-chip microcomputer as shown in Figure 2, due to temperature sensor support " one-wire bus " interface, therefore only temperature sensor signal line need be received on 1 I/O line of single-chip microcomputer, and on 1 I/O line, can articulate a plurality of transducers and realize multipoint temperature measuring.
Further, those skilled in the art can realize foregoing, not repeat them here in conjunction with foregoing invention content and for Fig. 1～explanation embodiment illustrated in fig. 3.
Extremely embodiment illustrated in fig. 3 in conjunction with above-mentioned Fig. 1, those skilled in the art understand, on basis based on bluetooth locating terminal, increase temperature sense function, as long as cellphone subscriber is provided with in mobile phone indoor positioning terminal APP and the range of signal in mobile phone locating terminal module and just can obtains the temperature information of region, thereby can realize easily by the effect of mobile terminal Real-time Obtaining ambient temperature information, it is simple, low to the cost of prior art transformation that system realizes, be convenient to realize, do not repeat them here.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned particular implementation, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (14)
1. an indoor positioning terminal with temperature detecting function, it,, for the temperature information of Real-time Obtaining surrounding environment, comprising:
Main control unit, it is at least for receiving described temperature information and processing;
Bluetooth module, it is electrically connected to described main control unit, and at least for receiving from the control information of described main control unit and processing;
It is characterized in that, also comprise temperature detecting unit and temperature sensing module, described temperature detecting unit is at least electrically connected to described temperature sensing module, described temperature sensing module is also at least electrically connected to described main control unit, and described temperature sensing module transfers to described main control unit for the temperature information of the surrounding environment obtained from described temperature detecting unit.
2. indoor positioning terminal according to claim 1, is characterized in that, described bluetooth module comprises:
Bluetooth module (1),
Radio-frequency antenna (2), it is for external transmitting information;
Crystal oscillator (3),
Storage chip (4), it is for storing data;
TTL RS 232 module (5),
Supply module, it is for to described bluetooth module (1) power supply,
Described radio-frequency antenna (2), crystal oscillator (3), storage chip (4), TTL RS 232 module (5), supply module are connected with described bluetooth module (1) respectively.
3. indoor positioning terminal according to claim 2, is characterized in that, described storage chip (4) is also connected with described main control unit.
4. according to the indoor positioning terminal described in claim 2 or 3, it is characterized in that, described supply module comprises that 5V turns 3.3V voltage module (6) and power supply, described 5V turns 3.3V voltage module (6) and connects respectively described power supply and described bluetooth module (1), and described 5V turns 3.3V voltage module (6) and preferably includes a variable resistor module.
5. indoor positioning terminal according to claim 4, is characterized in that, described power supply is preferably lithium battery (7).
6. according to the indoor positioning terminal described in claim 1 or 2 or 3 or 5, it is characterized in that, also comprise interface circuit, described interface circuit, for connecting described main control unit and described bluetooth module to realize exchanges data between the two, connects described main control unit and described temperature detecting unit to realize exchanges data between the two.
7. indoor positioning terminal according to claim 6, is characterized in that, also comprises auxiliary circuit.
8. according to carrying out a control method for temperature detection in indoor positioning terminal described in any one in claim 1 to 7, it is characterized in that, comprise the steps:
A. described temperature detecting unit obtains the temperature information of surrounding environment;
B. described temperature detecting unit is transferred to described temperature sensing module by described temperature information;
C. described temperature sensing module is transferred to described main control unit by described temperature information;
D. described main control unit generates bluetooth storage information based on described temperature information;
E. described bluetooth storage information is stored in described storage chip;
Wherein, all or part of unique identification information as described indoor positioning terminal of described bluetooth storage information.
9. control method according to claim 8, is characterized in that, described steps d comprises the steps:
D1. described main control unit obtains configurable command information from described bluetooth module;
D2. described main control unit generates described bluetooth storage information based on described temperature information and described configurable command information.
10. control method according to claim 8, is characterized in that, described steps d comprises the steps:
D1 '. described main control unit is transferred to described bluetooth module by described temperature information;
D2 '. described bluetooth module generates described bluetooth storage information based on described temperature information and configurable command information.
11. according to the control method described in claim 9 or 10, it is characterized in that, described configurable command information at least comprises one or more in following information:
-Bluetooth broadcast address;
-address airtime gap; And
-address broadcast signal strength.
12. 1 kinds can Real-time Obtaining surrounding environment the mobile application system of temperature information, it is characterized in that, comprising:
It is one or more according to the indoor positioning terminal described in any one in claim 1 to 7,
One or more mobile terminals, described mobile terminal at least comprises bluetooth receiver module, temperature information display module, described temperature information display module is connected with the display control chip of described bluetooth receiver module and described mobile terminal at least respectively, and described temperature information display module sends to described display control chip after receiving the temperature information obtaining from described bluetooth receiver module.
13. mobile application systems according to claim 12, is characterized in that, described temperature information display module generates and shows data message based on described temperature information, and described demonstration data message is sent to described display control chip.
14. mobile application systems according to claim 13, is characterized in that, at least comprise one or more in following information in described demonstration data message:
-current time information;
-current humidity information;
The latitude and longitude information of mobile terminal position ,-place;
-dressing the information corresponding with described temperature information.
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| CN201310557734.5A CN103561483A (en) | 2013-11-11 | 2013-11-11 | Indoor positioning terminal with temperature detection function and control method and system |
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| CN104080168A (en) * | 2014-07-07 | 2014-10-01 | 百度在线网络技术（北京）有限公司 | Location method and device |
| CN106453934A (en) * | 2016-10-26 | 2017-02-22 | 珠海市魅族科技有限公司 | Temperature control method for terminal and terminal equipment |
| CN108414976A (en) * | 2018-01-17 | 2018-08-17 | 石化盈科信息技术有限责任公司 | Explosion-proof type bluetooth positioning device |
| CN109341875A (en) * | 2018-11-09 | 2019-02-15 | 山东药品食品职业学院 | A kind of moisture recorder and method |
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| CN103323567A (en) * | 2013-06-04 | 2013-09-25 | 深圳先进技术研究院 | Air quality monitoring method, sensor monitoring nodes and receiving terminal |
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| CN101423008A (en) * | 2008-12-10 | 2009-05-06 | 无锡彩丰科技有限公司 | Automobile tire pressure monitoring system using blue-tooth technique |
| CN202798713U (en) * | 2012-09-20 | 2013-03-13 | 无锡康森斯克电子科技有限公司 | Bluetooth communication device based on sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104080168A (en) * | 2014-07-07 | 2014-10-01 | 百度在线网络技术（北京）有限公司 | Location method and device |
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| CN106453934A (en) * | 2016-10-26 | 2017-02-22 | 珠海市魅族科技有限公司 | Temperature control method for terminal and terminal equipment |
| CN108414976A (en) * | 2018-01-17 | 2018-08-17 | 石化盈科信息技术有限责任公司 | Explosion-proof type bluetooth positioning device |
| CN109341875A (en) * | 2018-11-09 | 2019-02-15 | 山东药品食品职业学院 | A kind of moisture recorder and method |
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Application publication date: 20140205 |