CN203247962U - Intelligent precaution device - Google Patents
Intelligent precaution device Download PDFInfo
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- CN203247962U CN203247962U CN 201320195705 CN201320195705U CN203247962U CN 203247962 U CN203247962 U CN 203247962U CN 201320195705 CN201320195705 CN 201320195705 CN 201320195705 U CN201320195705 U CN 201320195705U CN 203247962 U CN203247962 U CN 203247962U
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Abstract
The utility model discloses an intelligent precaution device and belongs to the technical field of electronics. The intelligent precaution device is composed of a precaution signal emitting piece, a precaution electronic circuit, a sound system, an alarm switch, an electronic self-locking circuit, a multi-code transmitting circuit and an information processing unit. According to the intelligent precaution device, when the precaution signal emitting piece has a touch signal, the precaution electronic circuit can automatically start the sound system to give an early alarm, the alarm switch is installed above a lock hole, and the precaution signal emitting piece covers the lock hole and the alarm switch; under the condition that a criminal is not stopped by the early alarm, the precaution signal emitting piece becomes loose, the contact of the alarm switch moves and then an alerting starting signal is generated, the alerting starting signal passes through the electronic self-locking circuit and then pushes the sound system to emit alerting sounds, the multi-code transmitting circuit is started at the same time to send out signals, and then outbound personnel is informed by the information processing unit. The intelligent precaution device is matched with a burglarproof safety door for use, and the performance of the products similar to the burglarproof safety door is further improved.
Description
Technical field
Belong to electronic technology field.
Background technology
Family is the bay of happiness; the family of happiness be unable to do without security personnel; anti-theft safety door is the protector of each family's indispensability; but it is far from being enough only having the passivity protection of door; alarm has just become the commonly used antitheft equipment that cooperates with door; can remedy the some shortcomings of anti-theft safety door, but want to become outstanding antitheft series products, it is inadequate that alarm is only arranged.
1, the kind of alarm is a lot of at present; but most products all only has in flagrant delict and is just producing onsite alarming; if imagination just begins crime; just sound a warning; producing a very large benefit is because " from succeeding " has very large lead, and the criminal is understood within doors early has preparation, and " risk " is very large; thereby can receive as early as possible hand, thereby become a kind of " protection initiatively ".And the product with such " initiatively protection " type also lacks very much.
The startup of 2, reporting to the police is critical element, and whether it is concerning reliably to start reports to the police, if generation wrong report or the situation that runs into are not reported, is very serious thing.Show after deliberation, address this problem, must make an effort simultaneously aspect machinery and two in the circuit, cooperatively interact, the effect that just can obtain, but to use what kind of frame for movement, and what kind of circuit of joining be only best processing method, this also is an important topic that is worth research.
3, present senior product often has (maybe must have) wireless link link, mainly be to adopt the solid size radiating circuit emission that coding is arranged and produce now the device radio transmission, this is feasible for general household electrical appliances, but can not satisfy the requirement of precision for the product of higher gears, not only because existing socially wireless remotecontrol has been widely used in various fields, such as the lock of locking of automobile burglar, all will use remote control, and these all become wide interference source.Also there is artificial instrument interference and cracks.The problem of disturbing for solving if adopt high-grade coding integrated circuit, relates to again the series of problems such as cost, therefore which type of encodes to realize thoroughly to stop all interference in the society with, and reaches again low purpose of cost, also becomes a difficult problem.
Because above-described difficult point so present antitheft series products is also not very outstanding, solve the above problems, and also requires further study.
Summary of the invention
Main purpose of the present invention be design a kind of at the beginning of crime, just can produce warn in advance with the supporting anti-theft product of anti-theft safety door, take full advantage of the existing patented technology achievement of inventor, a kind of new technical measures are proposed again, cooperate anti-interference strong multi-code transmitter, strengthen the startup of reporting to the police common the composition, and the beginning of crime or preparatory stage are just being arranged, can send immediately a kind of pre-caution and prevent, further promote the performance of anti-theft security door product.
The technical solution used in the present invention is:
1, the intelligent early-warning device takes out sheet by early warning signal, the early warning electronic circuit, and sound system, alarm switch, electronic self-locking circuit, the multi-code transmitter circuit, several parts of information processor form jointly.
Wherein: early warning signal takes out sheet, is made of a sheet metal, is mounted in the lockhole top, and with the end connection early warning signal taking-up sheet of wire, the wire other end connects the early warning electronic circuit.
The early warning electronic circuit is by prestage, amplifying stage, and electronic switch level three parts form.
Prestage is that the end with wire is connected in early warning signal and takes out on the sheet, and the other end of wire is connected on the base stage of a triode, and the colelctor electrode of this triode is by on system power supply, and emitter stage connects the input of amplifying stage.
Amplifying stage is made of with peripheral element jointly a plurality of not gates: link to each other with output with a plurality of not gate inputs, it is the input that has connected second not gate with the output of first not gate, such as the form that is connected in series of many not gates of method generation, every not gate input has been connected a resistance with output; Connected the input of first not gate with the prestage transistor emitter, the output of last not gate is the output of amplifying stage.
The electronic switch level is that the input with several not gates connects together, and becomes this input, and several non-gate output terminals connect together, and become output at the corresponding levels, and the input of this grade is connected in the output of amplifying stage, and output has connected the sound system power supply.
Alarm switch is a mechanical switch, and the position of its installation is on the lockhole of the shop front, and early warning signal takes out under the sheet, with screw early warning signal is taken out sheet and is fixed on the door, and take out the button that this switch is lived in the sheet compressing with early warning signal; Contact with switch has connected the timing feedback circuit.
Electronic self-locking circuit is through having connected the base stage of a NPN triode after the series connection of resistance with vibrating sensor output lead-out wire, the grounded emitter line of this triode, the base stage of this NPN triode, the other end grounding wire of this resistance have been connected with an end of a resistance; The connected rear base stage that connects a PNP triode of another resistance of the colelctor electrode of this NPN triode, the emitter stage of PNP triode has connected 12 volts of power supplys, connected the emitter stage of PNP pipe with an end of another resistance, the other end of this resistance has connected the base stage of PNP pipe; Connected the colelctor electrode of PNP pipe with a utmost point of an electric capacity, this electric capacity has been connected the base stage of NPN pipe in addition behind resistance of extreme series connection and the diode cathode; Another utmost point of this electric capacity has also connected an end of another resistance, the other end ground connection of this resistance; This PNP transistor collector has connected the power input of wireless remotecontrol radiating circuit.
The multi-code transmitter circuit is to export the input that connects respectively a phase inverter with the multichannel of emission programme control circut, the output of each phase inverter, the chip select end that has connected the integrated circuit of a coding, the output of the integrated circuit of polylith coding connects respectively the input of multiterminal or door, the output of multiterminal or door through a resistance after, be connected to the base stage of radiating circuit modulating tube.
Information processor is drawn three groups of lines with the telephone that can store number from its dialing button printed panel, be connected on respectively on the corresponding points that receive programme control circut in the telephone.
2, feedback capacity is electrodeless electric capacity in the electronic self-locking circuit, is to be in series with two electrochemical capacitors.
3, used emitter follower is the low frequency amplifier tube in the early warning electronic circuit.
4, the not gate in the early warning electronic circuit adopts integrated circuit 4069.
5, used coding integrated circuit is two in the multi-code transmitter.
Now to the meaning of each technical measures of the present invention, concrete condition further is explained as follows:
One,Be the clear meaning of understanding the technical program, at first will make the following instructions: the existing achievement in research of the present invention is, to opening the door of security door, without mechanical key, but adopt the wireless remotecontrol method to open the door, and only be a kind of backup with the lockhole that mechanical key opens the door, when breaking down, just enable, so lockhole can seal.
Two,Effect of the present invention is that a kind of band has levels and the alarming device of several functions is arranged.Be that the different triggering starting device of two covers is arranged, two kinds of different cautions, thereby produce two kinds of different effects.
The first level is pre-caution: main purpose is to prevent the heart that crime is arranged, or firm crowd when bud.Function is to rigidly connect at the hand when crime to touch after early warning signal takes out sheet above the lockhole, sound system will send pre-caution, this caution is neutral, can send " please noting " such as the sound, or language such as " please not staying at this " is prevented, benefit one with gender neutral language is will cause very large psychological pressure to the criminal, the 2nd, can not damage being not intended to the person, and the 3rd, more can not cause in terror the neighbours.
The protection of the second level is to report to the police.Mainly be for the criminal who does not prevent the pre-caution of living, at this moment, if think formal damage lock port lid, when entering house by cracking lockhole, to send out and displacement by the shift knob of lockhole cap lower compression, thereby the starting warning system will be sent chimes of doom severe and deterrent that give great volume.
Three, the principle of pre-caution generation is: touch the early warning signal taking-up sheet of aspect on the lockhole when hand after, after the base stage of touch signal process prestage emitter follower enters, the amplifying stage that enters into this grade amplifies, after enough voltage has been arranged, touch at last electronic switch at the corresponding levels (being that merit at the corresponding levels enters) and remove to promote to warn in advance acoustics circuit.
Four, implemented the wireless remote control emission in technical scheme 1 and adopted the multi-code transmitter scheme, important meaning is arranged, main benefit is to be difficult for producing malfunction.Structure of the present invention is that the warning firing switch is the lockhole protection switch, and when cracking lockhole, switch contact is subjected to displacement, and sends the command of execution of having reported to the police, and Telephone set just begins telephone call within doors.Because producing telephone call is a very serious thing, if wrong report, unnecessary terrified with causing, consequence is very serious.And use now the apparatus of remote control many, such as locking that car door is protected, with release etc., all want straighforward operation, just formed possible interference source.And adopt the many yards artificial disturbances that just can thoroughly stop afterwards this class.After otherwise the multi-code transmitter circuit has been arranged, must be non-normal door if alarm call is arranged, so have greatly improved the confidence level that the present invention reports to the police.This circuit realizes that its principle of multi-code transmitter is; When the first end output of programme control circut was high-order, it was low that the phase inverter output that connects makes the chip select of this coding integrated circuit of connected, this chip select work of institute, and remaining sheet is not worked.Be output as when high when second, in like manner only have corresponding section's chip select work.The 3rd, the 4th reason is the same.Since each coding integrated circuit with or a door mode be input to modulating tube, so form the form of multi-code transmitter.
Five, used its Main Function that 2 points are arranged in the measure 1, the one, relaxed the requirement to switch, namely be that switch can be key type, it also can be button-type, and on the power of contact without impact, so can adopt miniaturely, the difficulty of installing to reduce switch increases the attractive in appearance of door simultaneously.The 2nd, improved sensitivity and the reliability of the starting of reporting to the police.Because principle of the present invention is, when its people has when cracking lockhole or the action that barbarous mode forces open the door being arranged, the warning initiating signal is sent in the alarming starter action, and electronic timing formula on-off circuit starts immediately, sends initiating signal.
One of (1) form to the pipe amplification that adopts NPN and PNP to constitute jointly has following meaning,, amplification quantity is large; Two, the PNP pipe become saturated after, the loss of voltage of generation little (when being furnished with battery, peculiar meaning); Three, can easily transient signal be changed into a kind of long signal; Four, formed electronic switch volume is urinated in miniaturization.
(2), in the electronic switching circuit that pipe is formed, anti-remaining resistance, namely be that the resistance that connects between PNP pipe emitter stage and the base stage has played important function in circuit, its effect is when NPN pipe no signal, the thorough no-voltage of the output of switch, output for the through engineering approaches that electronic switch uses, has been created essential condition without any remaining electricity.
(3), why between two pipes, add the positive feedback with Capacitance derivative, the one, satisfy this condition, the 2nd, can realize automatic recovery.
(4), why feedback capacity adopts electrodeless reason to be, the electrodeless electric capacity leakage coefficient is little, is used for down to feedback circuit, and circuit is more stable.
Six, two kinds of electronic circuits are arranged in the information processor, a kind of is the radio reception circuit, and it can transmit from the wireless remotecontrol that the user sends by reliable reception; Another kind is to receive programme control circut, connects the lead-out wire from telephone key rosette copper paper tinsel, allows the number of storing in the telephone transfer to successively.
After the invention process, following outstanding advantage is arranged:
1, telephone can as warning device, general the time, be exactly common communication telephones when there is something special.
2, improve the defence rank, more paid attention to the idea of putting prevention first.Can prevent the symptom of a trend that much may occur in advance.The reason one that why can reach this purpose is, hand rigidly connects when touching locking closure, and (it is reported, be the main channel of committing a crime at present by cracking the lockhole crime) may be the beginning that the heart of crime has just been arranged only, if stopped immediately crime, can not produce such or such consequence.The 2nd, this caution will produce very large pressure at heart to the criminal's, because the criminal knows very well that this distance from " succeeding " is also far, if crime continues to affirm that " risk " is very large.
3, single for alarm, kept all advantages of existing warning product.
4, after the invention process; anti-theft safety door and alarm have been realized the combination of science; the advantage that has possessed two kinds of protectors; usually both can keep the people outside the door; when running into other people and committing a crime; can send two kinds of cautions; to increasing " the initiatively protectiveness " of anti-theft safety door; (its implication is; function of the present invention will suppress the crime behavior generation; and whether waiting for passively its destruction) all be very significant, the situation of the passive defence of anti-theft safety door so this product is through with has fully promoted security personnel's performance of anti-theft safety door all sidedly.
The switch of 5, pacifying in the measure scheme one is the key component that warning of the present invention starts, and also is a bright spot of putting of the present invention, because after the existing achievement of this part and inventor cooperatively interacts, it is more scientific that warning of the present invention has been accomplished, also is the place different from a lot of alarms, and its reason is:
The one, can generation not make us terrified wrong report, this is the most important.Its reason is, the door that is absent from the scene of owner is opened (opening with improper door) within doors, or opens the door by lockhole with ' key ', all is crime behaviors, and warning at this moment all is very significant.
The 2nd, very reliable because the opening the door at closing time of normal life, do not need artificial additional move, do not affect the normal habits and customs of people, thus do not affect the each starting of security system normal operation.
6, the pre-warning line of touch road is sensitive and reliable, and the one, in the line owing to adopted emitter follower input, improved the input internal resistance, so touch signal is easily taked.The 2nd, the amplifying circuit that is comprised of a plurality of not gates has higher multiplication factor.The 3rd, circuit is simplified, and this part adopts an integrated circuit 4069 just can implement.The 4th, power amplifier is served as by a plurality of not gates, has stronger power, and reliable.The 5th, this circuit is strong from motion tracking in addition, and autoshutdown after hand leaves is opened in pre-caution automatically when hand contact lockhole early warning signal takes out sheet.
7, the utilization of timing feedback, benefit has two: one, has relaxed the requirement to switch, reduces the difficulty that switch is installed; The 2nd, improved sensitivity and the reliability of the starting of reporting to the police.
8, emission is used many yards, has stopped to exist in the society various electrical equipment to disturb.
Description of drawings
Fig. 1 is that the present invention warns circuit diagram in advance.
Among the figure: 3, lockhole top early warning signal takes out sheet; 102, signal input stage emitter follower; 103, the amplifier sensitivity adjustment resistance that first order not gate forms in amplifying stage; 104, the amplifier sensitivity adjustment resistance that second level not gate forms in amplifying stage; 105, first order not gate in amplifying stage; 106, second level not gate in amplifying stage; 107, the amplifier sensitivity adjustment resistance that final stage (third level) not gate forms in amplifying stage; 108, final stage not gate (third level) in amplifying stage; 109 electronic switch that is formed by not gate, both power amplifier levels; 110, another not gate that forms electronic switch; 111, sound system.
Fig. 2 is that early warning signal takes out sheet and alarm switch is contained in lockhole top schematic diagram.
Among the figure: 1, the antitheft shop front; 2, early warning signal takes out sheet; 3, early warning signal takes out the sheet lead-in wire; 5, lockhole; 6, welding is reported to the police and is opened printed panel also; 7, alarm switch; 8, alarm switch lead-out wire; 9, alarm switch button.
Fig. 3 is timing feedback circuit figure.
Among the figure: 8, alarm switch lead-out wire; 52, input resistance; 53, NPN amplifying triode; 54, the commissure resistance between two amplifier tubes; 55, anti-remaining resistance; 56, PNP three utmost point amplifier tubes; 57, isolating diode; 58, discharge resistance; 59, feedback capacity; 60, discharge resistance; 61, feedback resistance; 62 feedback diodes; 63, steady resistance; 70, wireless remotecontrol radiating circuit; 71, another electrochemical capacitor that forms electrodeless electric capacity.
Fig. 4 is the multi-code transmitter circuit diagram.
Among the figure: 401 emission programme control circuts; 403, emission programme control circut the first output (also being the input of first phase inverter); 404, emission programme control circut the second output (also being the input of second phase inverter); 405, first phase inverter; 406, second phase inverter; 407, the chip select end line (also being the first phase inverter output line) of first coding integrated circuit; 408, the chip select end line (also being the second phase inverter output line) of second coding integrated circuit; 609, first coding integrated circuit; 610, second coding integrated circuit; 611, first coding integrated circuit modulation output (also being or the family status one input); 612, second coding integrated circuit modulation output (also being or the family status two inputs); 617 or the door; 618, the modulation triode in the radiating circuit.
Fig. 5 is phone lead-in wire figure in the information processor.
Among the figure: 01, reception antenna; 02, radio system; 09, receives programme control circut; The output line of 10, drawing from Hands-free key; The output line of 11, drawing from storing a key; The output line of 12, drawing from storing two keys; 15, Hands-free key; 16, store a key; 17, store two keys; 20, other useless button on the keyboard; 21, telephone key dish.
Fig. 6 is that each several part concerns block diagram
Among the figure: 2, early warning signal takes out sheet; 7, alarm switch; 80, warn in advance electronic circuit; 82, electronic self-locking circuit; 85, multi-code transmitter circuit; 88, information processor; 111, sound system.
The specific embodiment
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 have described the specific embodiment of the present invention jointly.
One, by Fig. 2 early warning signal is installed and is taken out sheet and alarm switch.
1, becomes the garden lid larger than lockhole to become early warning signal of the present invention with a sheet metal punch process and take out sheet.
2, with switch, preferably press button is welded on the bar printing plate and allows switch and printed panel become one, and draws the switch contact lead-in wire from printed panel.
3, taking out sheet at early warning signal, to be positioned on the lockhole installation place punching of the shop front corresponding with it, and status requirement is after early warning signal taking-up sheet is fixed on the shop front, can cover lockhole.The installing hole tapping of the shop front.
4, between early warning signal taking-up film gate, add hollow cushion ring, allow hollow place expose lockhole.
5, early warning signal being taken out sheet is fixed on the shop front.With screw early warning signal is taken out sheet and be fixed on the door, fixedly the time, early warning signal takes out the button that sheet should tightly be pushed down switch.
Two, implement pre-caution part.
1, select 4069 integrated circuits as active of not gate.
2, weld pre-caution amplifier section according to Fig. 1.
3, the early warning signal of lockhole is taken out sheet and connect lead-in wire, the other end of this lead-in wire is connected on the base stage of early warning amplifying circuit emitter follower.
4, the electronic switch both output of power amplifier level is welded on the power supply of gender neutral language.
Three, implement electronic self-locking circuit: by welding shown in Figure 3, the alarm switch lead-out wire is connected in the input of electronic self-locking circuit, adjusts feedback capacity, make feedback time reach requirement.The output of electronic self-locking circuit connects alarm sound system and countdown circuit.
Four, implement the warning part.
The lead-in wire of alarm switch is connected on the timing feedback circuit, and the output of timing feedback circuit is connected on the electronic switch of alarm sound.
Five, implement the multi-code transmitter circuit by Fig. 4, connect first phase inverter input in the integrated circuit with first output of emission programme control circut, this phase inverter output connects the chip select end of first coding integrated circuit, the modulation output connection of this coding integrated circuit or an input of door, connect the output of emission programme control circut second such as method, another of this modulation output connection or door inputted, or connects the modulation transistor base in the radio transmitter circuit after the output series resistance of door.
Six, implement within doors information processor: with the telephone transformations with 3 storage number abilities, first telephone is taken apart, exposed the printed panel corresponding with keyboard.
When 1, being fixed on two wires that Hands-free key is pressed on the keyboard on corresponding two Copper Foils that connect of its conductive rubber.
2, be fixed on the keyboard when storing a key and pressing on corresponding two Copper Foils that connect of its conductive rubber with two wires.
3, be fixed on the keyboard when storing two keys and pressing on corresponding two Copper Foils that connect of its conductive rubber with two wires.
4, the output with radio system is connected on the starting end that receives programme control circut.
5, with the telephone lid involution of dismantling.
Seven, the each several part relation as shown in Figure 6.
Claims (5)
1. intelligent early-warning device is characterized in that: take out sheet by early warning signal, and the early warning electronic circuit, sound system, alarm switch, electronic self-locking circuit, the multi-code transmitter circuit, several parts of information processor form jointly;
Wherein: early warning signal takes out sheet, is made of a sheet metal, is mounted in the lockhole top, and with the end connection early warning signal taking-up sheet of wire, the wire other end connects the early warning electronic circuit;
The early warning electronic circuit is by prestage, amplifying stage, and electronic switch level three parts form;
Prestage is that the end with wire is connected in early warning signal and takes out on the sheet, and the other end of wire is connected on the base stage of a triode, and the colelctor electrode of this triode is by on system power supply, and emitter stage connects the input of amplifying stage;
Amplifying stage is made of with peripheral element jointly a plurality of not gates: link to each other with output with a plurality of not gate inputs, it is the input that has connected second not gate with the output of first not gate, such as the form that is connected in series of many not gates of method generation, every not gate input has been connected a resistance with output; Connected the input of first not gate with the prestage transistor emitter, the output of last not gate is the output of amplifying stage;
The electronic switch level is that the input with several not gates connects together, and becomes this input, and several non-gate output terminals connect together, and become output at the corresponding levels, and the input of this grade is connected in the output of amplifying stage, and output has connected the sound system power supply;
Alarm switch is a mechanical switch, and the position of its installation is on the lockhole of the shop front, and early warning signal takes out under the sheet, with screw early warning signal is taken out sheet and is fixed on the door, and take out the button that this switch is lived in the sheet compressing with early warning signal; Contact with switch has connected the timing feedback circuit;
Electronic self-locking circuit is through having connected the base stage of a NPN triode after the series connection of resistance with vibrating sensor output lead-out wire, the grounded emitter line of this triode, the base stage of this NPN triode, the other end grounding wire of this resistance have been connected with an end of a resistance; The connected rear base stage that connects a PNP triode of another resistance of the colelctor electrode of this NPN triode, the emitter stage of PNP triode has connected 12 volts of power supplys, connected the emitter stage of PNP pipe with an end of another resistance, the other end of this resistance has connected the base stage of PNP pipe; Connected the colelctor electrode of PNP pipe with a utmost point of an electric capacity, this electric capacity has been connected the base stage of NPN pipe in addition behind resistance of extreme series connection and the diode cathode; Another utmost point of this electric capacity has also connected an end of another resistance, the other end ground connection of this resistance; This PNP transistor collector has connected the power input of wireless remotecontrol radiating circuit;
The multi-code transmitter circuit is to export the input that connects respectively a phase inverter with the multichannel of emission programme control circut, the output of each phase inverter, the chip select end that has connected the integrated circuit of a coding, the output of the integrated circuit of polylith coding connects respectively the input of multiterminal or door, the output of multiterminal or door through a resistance after, be connected to the base stage of radiating circuit modulating tube;
Information processor is drawn three groups of lines with the telephone that can store number from its dialing button printed panel, be connected on respectively on the corresponding points that receive programme control circut in the telephone.
2. intelligent early-warning device according to claim 1, it is characterized in that: feedback capacity is electrodeless electric capacity in the electronic self-locking circuit, is to be in series with two electrochemical capacitors.
3. intelligent early-warning device according to claim 1, it is characterized in that: used emitter follower is the low frequency amplifier tube in the early warning electronic circuit.
4. intelligent early-warning device according to claim 1 is characterized in that: the not gate employing integrated circuit 4069 in the early warning electronic circuit.
5. intelligent early-warning device according to claim 1, it is characterized in that: used coding integrated circuit is two in the multi-code transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195705 CN203247962U (en) | 2013-04-18 | 2013-04-18 | Intelligent precaution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195705 CN203247962U (en) | 2013-04-18 | 2013-04-18 | Intelligent precaution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203247962U true CN203247962U (en) | 2013-10-23 |
Family
ID=49374408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320195705 Expired - Fee Related CN203247962U (en) | 2013-04-18 | 2013-04-18 | Intelligent precaution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203247962U (en) |
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2013
- 2013-04-18 CN CN 201320195705 patent/CN203247962U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20140418 |