CN108777477A - Mobile communication positioning system based on bracelet and its working method - Google Patents
Mobile communication positioning system based on bracelet and its working method Download PDFInfo
- Publication number
- CN108777477A CN108777477A CN201810151818.1A CN201810151818A CN108777477A CN 108777477 A CN108777477 A CN 108777477A CN 201810151818 A CN201810151818 A CN 201810151818A CN 108777477 A CN108777477 A CN 108777477A
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- China
- Prior art keywords
- circuit
- output end
- cathode
- connects
- accumulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010295 mobile communication Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 14
- 238000004891 communication Methods 0.000 claims abstract description 27
- 230000036760 body temperature Effects 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 210000000707 wrist Anatomy 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The mobile communication positioning system based on bracelet that the present invention relates to a kind of, including：Positioning bracelet and the slave that communication is matched with the positioning bracelet short distance；The wherein described positioning bracelet is suitable for being worn at pulse, and includes：Main processor modules, the temperature collecting module being connected with the processor module, the first GPS module, Zigbee communication modules and the first GSM communication modules；The temperature collecting module is suitable for acquisition body temperature, and is sent to main processor modules；The slave includes：From processor module, with the 2nd Zigbee communication modules being connected from processor module and alarm module；When human body temperature data are not detected in main processor modules, judge that positioning bracelet is detached from human body by main processor modules, and will judge that data are sent to slave by Zigbee communication modules immediately, slave carries out warning reminding.
Description
Technical field
The mobile communication positioning system based on bracelet that the present invention relates to a kind of.
Background technology
Currently, Intelligent bracelet becomes increasingly popular, but when not used, often abandon indoors, is not easy to find, be brought to using
It is inconvenient.How to realize and alarm immediately when bracelet is detached from human body, avoids losing, being this field will solve the problems, such as.
Invention content
The mobile communication positioning system based on bracelet that the object of the present invention is to provide a kind of, to be detached from human body Times in bracelet
It is alert.
The mobile communication positioning system based on bracelet that in order to solve the above technical problem, the present invention provides a kind of, including：
Positioning bracelet and the slave that communication is matched with the positioning bracelet short distance；The wherein described positioning bracelet is suitable for being worn at wrist,
And include：Main processor modules, the temperature collecting module being connected with the processor module, the first GPS module, Zigbee communicate mould
Block and the first GSM communication modules；The temperature collecting module is suitable for acquisition body temperature, and is sent to main processor modules；
The slave includes：From processor module, with the 2nd Zigbee communication modules being connected from processor module and alarm module；
When human body temperature data are not detected in main processor modules, judge that positioning bracelet is detached from human body by main processor modules, and
It will judge that data are sent to slave by Zigbee communication modules immediately, slave carries out warning reminding.
The slave includes：Shell, the shell are equipped with keyhole.The main processor modules are also associated with pulse biography
Sensor, and the pulse data of wearer, temperature data, position data are sent to by server by GSM communication modules.
It is described to be also associated with the second GPS module and the 2nd GSM communication modules from processor module；It is described from processor module
When being detached from human body suitable for record location bracelet, slave position, and position data is also uploaded to server.
The positioning bracelet includes：The power supply that anti-reverse battery protection circuit and chargeable storage are constituted；Anti- battery is anti-
Connecing protection circuit includes：Input terminal and output end for connecting accumulator；A control is connected between input terminal and output end
Circuit processed, when accumulator positive connects, the control circuit is suitable for control input, output end conducting constitutes charge circuit, Yi Ji
When reverse connection of accumulator, the cathode of cathode and output end that the control circuit is suitable for control signal disconnects, and is charged back with cut-out
Road.
The control circuit includes：First switch circuit, by the second switch circuit of the first switch circuit control；It is located at
It connects between the cathode of input terminal and the cathode of output end a thyristor；It is connect in accumulator positive or when reversal connection, first switch circuit
Pass through second switch circuit control turn on thyristors or closing；The first switch circuit includes：PNP triode, the PNP tri-
The emitter connection input of pole pipe, the positive line of output end, the base stage of the PNP triode connects a bleeder circuit, described
The both ends of bleeder circuit be separately connected input, output end positive and negative electrode line；And the second switch circuit includes NPN tri-
Pole pipe, the collector of the PNP triode connect the base stage of the NPN triode, the collector of the NPN triode by a resistance
A high level is connected, emitter connects the gate pole of thyristor；When accumulator positive connects, the base level of the PNP triode
Less than emitter level, cathode voltage is accessed to the base stage of NPN triode, makes NPN triode by the PNP triode conducting
Saturation conduction constitutes the charge circuit so that gate pole obtains high level, i.e. turn on thyristors；It is described in reverse connection of accumulator
The base level of PNP triode is higher than emitter level, the PNP triode cut-off, and NPN triode is ended, and thyristor is closed,
Cut off the charge circuit.
The base stage of the NPN triode is connected with the first RC parallel circuits over the ground；The cathode connection input of the thyristor
The cathode at end, anode connect the cathode of output end, and it is in parallel to be connected between cathode of the gate pole with input terminal the 2nd RC
Circuit.
The working method of above-mentioned mobile communication positioning system, the anti-reverse battery protection circuit include：Input terminal and use
In the output end of connection accumulator；A control circuit is connected between input terminal and output end；Mobile communication positioning system
The working method of system includes：When accumulator positive connects, the control circuit is suitable for control input, output end conducting is constituted and charged back
Road, in reverse connection of accumulator, the cathode of cathode and output end that the control circuit is suitable for control signal disconnects, and is filled with cut-out
Electrical circuit.
The control circuit includes：First switch circuit, by the second switch circuit of the first switch circuit control；It is located at
It connects between the cathode of input terminal and the cathode of output end a thyristor；It is connect in accumulator positive or when reversal connection, first switch circuit
Pass through second switch circuit control turn on thyristors or closing.
The first switch circuit includes：PNP triode, the emitter connection input of the PNP triode, output end
Positive line, the base stage of the PNP triode connect a bleeder circuit, and the both ends of the bleeder circuit are separately connected input, defeated
The positive and negative electrode line of outlet；The second switch circuit includes NPN triode, and the collector of the PNP triode passes through an electricity
Resistance connects the base stage of the NPN triode, and the collector of the NPN triode connects a high level, and emitter connects thyristor
Gate pole；When accumulator positive connects, the base level of the PNP triode is less than emitter level, and the PNP triode is connected,
The base stage that cathode voltage is accessed to NPN triode makes NPN triode saturation conduction, so that gate pole obtains high level, i.e., brilliant lock
Pipe is connected, and constitutes the charge circuit；In reverse connection of accumulator, the base level of the PNP triode is higher than emitter level,
The PNP triode cut-off, NPN triode cut-off, thyristor are closed, and the charge circuit is cut off.
A kind of bracelet, including：Power supply adaptor, anti-reverse battery protection circuit；The DC output end of power supply adaptor with
The input terminal of anti-reverse battery protection circuit is connected, and by above-mentioned anti-reverse battery protection circuit to the accumulator in bracelet into
Row charging.
The invention has the advantages that the mobile communication positioning system based on bracelet of (1) present invention, avoids positioning bracelet
It is easy to lose, when positioning bracelet is detached from human body, is alarmed, and then wearer's bracelet is reminded to extract, dropped by slave immediately
The possibility of low loss.(2) anti-reverse battery protection circuit of the invention and its working method, charger in accumulator by reversal connection
After can effectively prevent accumulator over-discharge, extend the service life of accumulator, prevented security risk, and also at
Charger caused by work(prevents accumulator polarity reversal connection damages.
Description of the drawings
Fig. 1 is the functional block diagram of the mobile communication positioning system based on bracelet of the present invention；
Fig. 2 is the circuit diagram of the anti-reverse battery protection circuit of the present invention.
Specific implementation mode
Such as Fig. 1, a kind of mobile communication positioning system based on bracelet, including：Positioning bracelet and with the positioning bracelet short distance
Slave from matching communication；The wherein described positioning bracelet is suitable for being worn at wrist, and includes：Main processor modules, and at this
Manage the connected temperature collecting module of device module, the first GPS module, Zigbee communication modules, six axle sensor (models
) and the first GSM communication modules MPU6050；Six axis in six axle sensors include：Three axis accelerometer, three-axis gyroscope；
The temperature collecting module is suitable for acquisition body temperature, and is sent to main processor modules；The slave includes：From processor die
Block, with the 2nd Zigbee communication modules being connected from processor module and alarm module；When main processor modules are not detected
When human body temperature data, judge that positioning bracelet is detached from human body by main processor modules, and pass through Zigbee communication modules immediately
Judgement data are sent to slave, slave carries out warning reminding.The slave includes：Shell, the shell are equipped with keyhole.
This positioning bracelet be suitable for be worn in wrist, the slave be suitable for wear with key chain on, distance meet bluetooth into
Row matching communication.It is suitable for after positioning bracelet is detached from human body based on the mobile communication positioning system of bracelet, by slave in indigo plant
Actuation of an alarm is made in tooth communication context immediately, the alarm module uses sound and light alarm module.
The main processor modules are also associated with pulse transducer, and by GSM communication modules by the Pulse Rate of wearer
According to, temperature data, position data be sent to server.Therefore, this positioning bracelet not only has anti-lost function, also has to life
The function that sign is measured in real time.
It is described to be also associated with the second GPS module and the 2nd GSM communication modules from processor module；It is described from processor module
When being detached from human body suitable for record location bracelet, slave position, and position data is also uploaded to server；Specifically, working as
After positioning bracelet is lost, it is to lose position that the slave locks and records current location immediately；If wearer is at that time not to be noted
Warning message, when wearer's discovery positioning bracelet loss, can also be known far from position is lost and lose place, convenient for looking for.
The master and slave processor module uses MSP430F5529 or arm processor, first and second GPS module to use
The miniature GPS modules of VK1097U7M3, the first, second Zigbee communication modules use the integration module of model QAZ2000, pulse
Sensor uses the miniature pulse transducers of SC0073, the first, second GSM communication modules to use GSM/GPRS modules M160.
The positioning bracelet includes：Anti- reverse battery protection circuit and chargeable storage are (using lithium battery or ni-mh electricity
Pond or ferric phosphate lithium cell) constitute power supply.
The anti-reverse battery protection circuit being arranged in the shell of the positioning bracelet, including：Input terminal and for connect store
The output end of battery；A control circuit, the accumulator in the battery case are connected with wherein between input terminal and output end
When just connecing, the control circuit is suitable for control input, output end conducting constitutes charge circuit；In reverse connection of accumulator, the control
The cathode for the cathode and output end that circuit processed is suitable for control signal disconnects, to cut off charge circuit.
The definition that accumulator positive connects in the technical scheme is that the anode of accumulator is connected with the anode of output end, accumulator
Cathode be connected with the cathode of output end；Reverse connection of accumulator, then accumulator anode be connected with the cathode of output end, accumulator
Cathode is connected with the anode of output end.
Such as Fig. 2, the control circuit includes：First switch circuit, by the second switch electricity of the first switch circuit control
Road；Connect a thyristor Q1 between the cathode of input terminal and the cathode of output end；It is connect in accumulator positive or when reversal connection, first
Switching circuit passes through second switch circuit control thyristor Q1 on and off.
The first switch circuit includes：Emitter connection input, the output of PNP triode V1, the PNP triode V1
The positive line at end, the base stage of the PNP triode V1 connect a bleeder circuit, and the both ends of the bleeder circuit are separately connected defeated
Enter, the positive and negative electrode line of output end；And the second switch circuit includes NPN triode V2, the PNP triode V1's
Collector connects the base stage of NPN triode V2 by a resistance R3, and the collector of NPN triode V2 connects a high level,
Its emitter connects the gate pole of thyristor Q1；When accumulator positive connects, the base level of the PNP triode V1 is less than emitter
Cathode voltage, is accessed to the base stage of NPN triode V2, NPN triode V2 is made to be saturated by level, the PNP triode V1 conductings
Conducting, so that gate pole obtains high level, i.e. thyristor Q1 conductings constitute the charge circuit；It is described in reverse connection of accumulator
The base level of PNP triode V1 is higher than emitter level, the PNP triode V1 cut-offs, NPN triode V2 cut-offs, brilliant lock
Pipe Q1 is closed, and cuts off the charge circuit；The anode of thyristor Q1 is connected with one end of bleeder circuit.
The base stage of the NPN triode V2 is connected with the first RC parallel circuits, the cathode connection of the thyristor Q1 over the ground
The cathode of input terminal, anode connect the cathode of output end, and the 2nd RC is connected between gate pole and the cathode of input terminal
Parallel circuit.
The first RC parallel circuits include resistance R6 and capacitance C02；2nd RC parallel circuits include resistance R4 and capacitance
C01.Influence of the pulse voltage to NPN triode V2 base stages can be effectively prevented by the first RC parallel circuits, is effectively kept away
Exempt to trigger NPN triode saturation conduction due to pulse voltage；And arteries and veins can effectively be prevented by the 2nd RC parallel circuits
Influence of the voltage to gate circuit transistor gate is rushed, is effectively avoided since pulse voltage triggers turn on thyristors.
The working method of above-mentioned anti-reverse battery protection circuit, including：When accumulator positive connects, the control circuit is suitable for
Control input, output end conducting constitute charge circuit, and in reverse connection of accumulator, the control circuit is suitable for control signal
Cathode and output end cathode disconnect, to cut off charge circuit.
The control circuit includes：First switch circuit, by the second switch circuit of the first switch circuit control；It is located at
Connect a thyristor Q1 between the cathode of input terminal and the cathode of output end；It is connect in accumulator positive or when reversal connection, first switch electricity
Road passes through second switch circuit control thyristor Q1 on and off.
The first switch circuit includes：Emitter connection input, the output of PNP triode V1, the PNP triode V1
The positive line at end, the base stage of the PNP triode V1 connect a bleeder circuit, and the both ends of the bleeder circuit are separately connected defeated
Enter, the positive and negative electrode line of output end；And the second switch circuit includes NPN triode V2, the PNP triode V1's
Collector connects the base stage of NPN triode V2 by a resistance, and the collector of NPN triode V2 connects a high level,
Emitter connects the gate pole of thyristor Q1；When accumulator positive connects, the base level of the PNP triode V1 is less than emitter electricity
Flat, cathode voltage is accessed to the base stage of NPN triode V2, NPN triode V2 saturations is made to lead by the PNP triode V1 conductings
Logical, so that gate pole obtains high level, i.e. thyristor Q1 conductings constitute the charge circuit；In reverse connection of accumulator, the PNP
The base level of triode V1 is higher than emitter level, the PNP triode V1 cut-offs, NPN triode V2 cut-offs, thyristor Q1
It closes, cuts off the charge circuit.
When normal use, using the input of the DC output end and anti-reverse battery protection circuit of external power supply adaptor
End is connected, and is charged to accumulator by the anti-reverse battery protection circuit.
Claims (7)
1. a kind of working method of the mobile communication positioning system based on bracelet, which is characterized in that including：
Positioning bracelet and the slave that communication is matched with the positioning bracelet short distance；Wherein
The positioning bracelet is suitable for being worn at wrist, and includes：Main processor modules, the temperature being connected with the processor module
Acquisition module, the first GPS module, Zigbee communication modules and the first GSM communication modules；
The temperature collecting module is suitable for acquisition body temperature, and is sent to main processor modules；
The slave includes：From processor module, with the 2nd Zigbee communication modules being connected from processor module and alarm
Module；
When human body temperature data are not detected in main processor modules, judge that positioning bracelet is detached from people by main processor modules
Body, and will judge that data are sent to slave by Zigbee communication modules immediately, slave carries out warning reminding.
2. working method according to claim 1, which is characterized in that
The positioning bracelet includes：The power supply that anti-reverse battery protection circuit and chargeable storage are constituted；
Anti- reverse battery protection circuit includes：Input terminal and output end for connecting accumulator；Input terminal and output end it
Between be connected with a control circuit, when accumulator positive connects, the control circuit be suitable for control input, output end conducting constitute charging
Circuit, and in reverse connection of accumulator, the cathode of cathode and output end that the control circuit is suitable for control signal disconnects, with
Cut off charge circuit.
3. working method according to claim 2, which is characterized in that
The control circuit includes：First switch circuit, by the second switch circuit of the first switch circuit control；Positioned at input
It connects between the cathode at end and the cathode of output end a thyristor；It is connect in accumulator positive or when reversal connection, first switch circuit passes through
Second switch circuit control turn on thyristors or closing；
The first switch circuit includes：PNP triode, the emitter connection input of the PNP triode, the anode of output end
The base stage of line, the PNP triode connects a bleeder circuit, and the both ends of the bleeder circuit are separately connected input, output end
Positive and negative electrode line；And the second switch circuit includes NPN triode, and the collector of the PNP triode passes through an electricity
Resistance connects the base stage of the NPN triode, and the collector of the NPN triode connects a high level, and emitter connects thyristor
Gate pole；When accumulator positive connects, the base level of the PNP triode is less than emitter level, and the PNP triode is connected,
The base stage that cathode voltage is accessed to NPN triode makes NPN triode saturation conduction, so that gate pole obtains high level, i.e., brilliant lock
Pipe is connected, and constitutes the charge circuit；In reverse connection of accumulator, the base level of the PNP triode is higher than emitter level,
The PNP triode cut-off, NPN triode cut-off, thyristor are closed, and the charge circuit is cut off.
4. working method according to claim 3, which is characterized in that
The base stage of the NPN triode is connected with the first RC parallel circuits over the ground；
The cathode of the cathode connection input terminal of the thyristor, anode connect the cathode of output end, and in gate pole and input
The 2nd RC parallel circuits are connected between the cathode at end.
5. working method according to claim 1, which is characterized in that including：The anti-reverse battery protection circuit includes：
Input terminal and output end for connecting accumulator；Wherein
A control circuit is connected between input terminal and output end；
The working method includes：
When accumulator positive connects, the control circuit is suitable for control input, output end conducting constitutes charge circuit, and
In reverse connection of accumulator, the cathode of cathode and output end that the control circuit is suitable for control signal disconnects, with cut-out
Charge circuit.
6. working method according to claim 5, which is characterized in that
The control circuit includes：First switch circuit, by the second switch circuit of the first switch circuit control；
It connects between the cathode of input terminal and the cathode of output end a thyristor；
It is connect in accumulator positive or when reversal connection, first switch circuit passes through second switch circuit control turn on thyristors or closing.
7. working method according to claim 6, which is characterized in that
The first switch circuit includes：PNP triode, the emitter connection input of the PNP triode, the anode of output end
The base stage of line, the PNP triode connects a bleeder circuit, and the both ends of the bleeder circuit are separately connected input, output end
Positive and negative electrode line；And
The second switch circuit includes NPN triode, and the collector of the PNP triode connects the NPN tri- by a resistance
The collector of the base stage of pole pipe, the NPN triode connects a high level, and emitter connects the gate pole of thyristor；
When accumulator positive connects, the base level of the PNP triode is less than emitter level, and the PNP triode conducting will
Cathode voltage accesses to the base stage of NPN triode, makes NPN triode saturation conduction, so that gate pole obtains high level, i.e. thyristor
Conducting, constitutes the charge circuit；
In reverse connection of accumulator, the base level of the PNP triode is higher than emitter level, and the PNP triode is ended,
NPN triode is ended, and thyristor is closed, and the charge circuit is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151818.1A CN108777477A (en) | 2018-02-01 | 2018-02-01 | Mobile communication positioning system based on bracelet and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151818.1A CN108777477A (en) | 2018-02-01 | 2018-02-01 | Mobile communication positioning system based on bracelet and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108777477A true CN108777477A (en) | 2018-11-09 |
Family
ID=64033534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810151818.1A Withdrawn CN108777477A (en) | 2018-02-01 | 2018-02-01 | Mobile communication positioning system based on bracelet and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777477A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204517702U (en) * | 2015-04-03 | 2015-07-29 | 江苏江禾高科电子有限公司 | A kind of anti-battery reversal connection circuit |
| CN106385743A (en) * | 2015-07-29 | 2017-02-08 | 南京海印通信设备有限公司 | Adjustable light building lighting system based on wireless communication |
| CN106655145A (en) * | 2016-11-17 | 2017-05-10 | 深圳市科陆电子科技股份有限公司 | Battery bus voltage reverse connection protection circuit |
| CN206627633U (en) * | 2017-03-13 | 2017-11-10 | 南京信息职业技术学院 | A kind of portable mobile communication alignment system |
-
2018
- 2018-02-01 CN CN201810151818.1A patent/CN108777477A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204517702U (en) * | 2015-04-03 | 2015-07-29 | 江苏江禾高科电子有限公司 | A kind of anti-battery reversal connection circuit |
| CN106385743A (en) * | 2015-07-29 | 2017-02-08 | 南京海印通信设备有限公司 | Adjustable light building lighting system based on wireless communication |
| CN106655145A (en) * | 2016-11-17 | 2017-05-10 | 深圳市科陆电子科技股份有限公司 | Battery bus voltage reverse connection protection circuit |
| CN206627633U (en) * | 2017-03-13 | 2017-11-10 | 南京信息职业技术学院 | A kind of portable mobile communication alignment system |
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Application publication date: 20181109 |