CN203931052U - A kind of Multifunctional touch monitor - Google Patents
A kind of Multifunctional touch monitor Download PDFInfo
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- CN203931052U CN203931052U CN201420368347.7U CN201420368347U CN203931052U CN 203931052 U CN203931052 U CN 203931052U CN 201420368347 U CN201420368347 U CN 201420368347U CN 203931052 U CN203931052 U CN 203931052U
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- lockhole
- door
- switch
- warning circuit
- video
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Abstract
A kind of Multifunctional touch monitor, belongs to alarm technical field, by lockhole cover plate, and lockhole switch, door switch, shoots with video-corder warning circuit and jointly forms, wherein, shooting with video-corder warning circuit amplifies start-up circuit, video recorder, warning circuit and jointly forms by shooting with video-corder signal, lockhole cover plate is covered lockhole switch together with lockhole, in the time having event, hand rigidly connects tactile lockhole cover plate and just produces touch signal, start video recorder and warning circuit through shooting with video-corder after signal amplifies start-up circuit, carry out sound warning and light warning, shoot with video-corder simultaneously, crack lockhole as continued, lockhole cover plate souththern pine is moving, the contact of lockhole switch is no longer subject to the compressing of lockhole cover plate and changes, produce formal warning, as cruelty is forced open the door, in door, automatic recognition system is not received signal, now door and the firm displacement of doorframe, door switch contact is no longer subject to the compressing of doorframe and produces formal warning enabling signal, start warning circuit and video recorder, the utility model simple in circuits, be convenient to produce and promote the use of.
Description
Technical field
Belong to alarm technical field.
Background technology
The said theft of people is all generally the room of forcing open the door, force open the door is exactly to crack lockhole and with lifting jack, door is destroyed, on market, there is skeleton key now, can drive very eurypalynous lock, if person who is ambitious or tenacious of purpose takes skeleton key, can allow people's living safety do not ensured, and present anti-theft safety door protection lockhole is in the majority, if door is destroyed with lifting jack, how about can report to the police? if use video recorder to coordinate with it, an average family, if open year in year out video recorder, the possible a very long time is all useless record, this has just formed a kind of waste, and video recorder long-term work, probably break down inadvertently, and owner does not know, in the time there is thing, cannot record, produce serious consequence, therefore, for the work and study that allow people feel more relieved, enjoy the modern life, the security personnel's performance that promotes anti-theft safety door has become an important development trend.
Summary of the invention
Fundamental purpose of the present invention is a kind of new circuit of design, at the beginning of occurring, event produces pre-warning, shoot with video-corder and report to the police, allow and report to the police in advance, when event occurs, carry out formal shooting with video-corder and reporting to the police, video recorder can't be worked at ordinary times, only just work in the time warning in advance and formally there is something special, fully ensure to shoot with video-corder performance, promote security personnel's performance of anti-theft safety door.
The technical solution used in the present invention is:
1, Multifunctional touch monitor is by a lockhole cover plate, lockhole switch, and door switch, shoots with video-corder warning circuit and jointly forms.
Wherein: shoot with video-corder warning circuit and amplify start-up circuit, video recorder, warning circuit and jointly form by shooting with video-corder signal.
Shooting with video-corder signal amplification start-up circuit is made up of sensitivity adjustable resistance, the first compound amplifier stage, second voltage expansion level, the 3rd power amplifier level.
Lockhole cover plate extension line connects one end of sensitivity adjustable resistance, the input that the other end of sensitivity adjustable resistance connects the first compound amplifier stage is the base stage of first amplifier tube, the base stage of second amplifier tube connects the emitter of first amplifier tube, the collector of first amplifier tube and second amplifier tube links together becomes the output terminal of the first compound amplifier stage, between the output terminal of the first compound amplifier stage and power supply, connect a resistance, the base stage of expansion triode is as the input end of second voltage expansion level, the input end of second voltage expansion level and the output terminal of the first compound amplifier stage link together, between the emitting stage of expansion triode and ground wire, be connected expansion level and adjust element, the collector of expansion triode is as the output termination power amplifier silicon controlled control utmost point of second voltage expansion level, between power amplifier silicon controlled anode and the control utmost point, connect a resistance, power amplifier silicon controlled negative electrode connects power amplifier and adjusts the output terminal that becomes the 3rd power amplifier level after element.
Video recorder is by starting or door, electronic switch, jointly forming with the rest-set flip-flop, time controller, the manual control switch that show.
Warning circuit is made up of jointly light warning circuit and sound warning circuit.
Sound warning circuit is made up of jointly the sheet that pronounces, audio-frequency power amplifier, loudspeaker.
Lockhole switch contact extension line connects, door switch contact extension line connects respectively after an isolating diode and the power supply as sound warning circuit and light warning circuit together with the output of the 3rd power amplifier level, the positive terminal of audio-frequency power amplifier is received in the output of pronunciation sheet, the end of oppisite phase ground connection of audio-frequency power amplifier, the output of audio-frequency power amplifier has connect two-way, one tunnel has connected one end of audio frequency adjustment electric capacity, audio frequency is adjusted the electric capacity other end and is connected audio frequency adjusting resistance, audio frequency adjusting resistance other end ground connection, another road is extremely connected with one of loudspeaker after having connected commissure electric capacity, another utmost point ground connection of loudspeaker.
Light warning circuit is in series with protective resistance by warning lamp: lockhole switch contact extension line connects, door switch contact extension line connects respectively after an isolating diode with together with the output of the 3rd power amplifier level and is connected with the power supply of light warning circuit and one end of protective resistance as sound warning circuit, and the protective resistance other end connects warning lamp.
Lockhole cover plate is a sheet metal, is arranged on that door is upper to be covered lockhole switch together with lockhole, is connected on lockhole cover plate with one end of a wire, and the other end is connected to shoots with video-corder in warning circuit.
It is upper that lockhole switch is arranged on door, lockhole cover plate lid lower time, oppress the contact of travel switch, draw with wire the contact of travel switch, connects enter after an isolating diode start or.
Door switch is a travel switch, be arranged on door and doorframe junction, when after door and doorframe closure, doorframe is oppressed the contact of travel switch, draw with wire the contact of travel switch, connect after an isolating diode, as the power supply of light warning circuit and sound warning circuit, enter simultaneously and start or door.
2, warning lamp is flashing safety warning lamp.
For having a clear understanding of the meaning of the technical program, first will make the following instructions:
Under normal door state, lock-switch can not move, even if door separates with doorframe, door switch can not produce warning enabling signal yet, thereby has identity, and can correctly identify is the situation of crime behavior or owner's normal door.Its reason is that the behavior of opening the door is normally to open the door by electronic technology, instead of opens the door with mechanical key.When normal method is used electronic open-door, identification circuit input has electronic signal, and crime behavior identification circuit is inputted without electronic signal, will start warning system, if electronic open-door goes wrong, one of own side opens the door with mechanical key, because there is one of own side field, so can not produce fear.
For this reason, existing to each technical measures of the present invention, concrete condition is further explained as follows:
One, the present invention is the multifunction antitheft device with multiple warning.
1, ground floor protection is pre-warning: when there being people to attempt to crack lockhole crime; because lockhole is covered by lockhole cover plate; just must first open lockhole cover plate so crack lockhole; and lockhole cover plate has connected to shoot with video-corder and has controlled in warning circuit; so hand produces touch signal once contacting lockhole cover plate, shoot with video-corder control warning circuit and start immediately, send immediately pre-warning; this just probably allows perpetrator halt at this point, so played the initiatively effect of protection.
2, second layer protection is warning device: if pre-warning fails to prevent criminal; continue damage lock port lid sheet; lockhole cover plate souththern pine is moving, and lock-switch button is no longer subject to the compressing of lockhole cover plate and contact is changed produce formal warning enabling signal, shoot with video-corder immediately warning.
3, the protection of tri-layer be shoot with video-corder, sound warning warn with light: be no matter that hand contact the generation of lockhole cover plate and warns in advance; Early warning fails to prevent, and continues to crack lockhole and allows lockhole switch contact change and the formal warning that forms; Or the barbarous formal warning of forcing open the door and allowing door switch contact change and to produce, all possesses same functional effect, and that is shot with video-corder exactly, follow alert sound to prevent, warning lamp sends dazzling ruddiness simultaneously.
Two, produce principle and the effect of shooting with video-corder.
Shooting with video-corder warning circuit amplifies start-up circuit, video recorder, warning circuit and jointly forms by shooting with video-corder signal.
Shooting with video-corder signal amplification start-up circuit is made up of sensitivity adjustable resistance, the first compound amplifier stage, second voltage expansion level, the 3rd power amplifier level.
The first compound amplifier stage is made up of with collector resistance (5 in Fig. 1) first amplifier tube (4 in Fig. 1), second amplifier tube (6 in Fig. 1).Second voltage expansion level is adjusted element (8 in Fig. 1) by expansion triode (7 in Fig. 1) with expansion level and is formed.The 3rd power amplifier level is adjusted element (12 in Fig. 1) by resistance (9), the 3rd power amplifier level between power amplifier controllable silicon (10 in Fig. 1), power amplifier controllable silicon anode and the control utmost point and is formed.
Video recorder by start or door (19 in Fig. 1), electronic switch (22 in Fig. 1), with show rest-set flip-flop (21 in Fig. 1), time controller (23 in Fig. 1), manual control switch (18 in Fig. 1) jointly form.
1, the principle of overall process is recorded in generation shooting: the extension line of lockhole cover plate connects after sensitivity adjustment resistance, enter the input of compound amplifier stage, therefore, when touching lockhole cover plate, people produces after touch signal, first amplify through the compound amplifier stage being formed by two triodes later, then carrying out voltage amplification through the expansion triode in expansion level, finally encourage power amplifier controllable silicon to carry out power amplifier, thereby started warning circuit.
Although hand has left the lockhole cover plate of lockhole top after forcing open the door, the lock-switch button being pressed under lockhole cover plate is oppressed by lockhole cover plate no longer, and variation has occurred, and lockhole switch is closed, so opened video camera job record.
In circuit, used time controller, as long as preset the time, it will output signal, through starting or behind the door, opening electronic switch, then allows video camera work.
Before generation case, after shooting record, there is displaying principle: in Fig. 1,21 is a kind of rest-set flip-flops with demonstration, thereby there is Memorability, when each or door has output to open electronic switch, all can trigger the rest-set flip-flop of memory, once so after rest-set flip-flop is triggered, additional LED can luminescence display.
The principle of shooting record writing time before generation case: shoot with video-corder at every turn and control or when door has output to open electronic switch, have signal to trigger time controller, so can automatically record the moment of generation.
2, shoot with video-corder in signal amplification start-up circuit and why adopt two triodes to form the first compound amplifier stage, main cause is that such circuit had both had very high current gain, there is again very high voltage gain, so full gain is very high, the feeble signal touching can be taken out, and second voltage expansion level can be triggered reliably.Second voltage expansion level is again power amplifier silicon controlled prestage, and the emitter of expansion triode has connected expansion level and adjusted an element, is conducive to and the mating of the first compound amplifier stage.
3, the 3rd power amplifier level adopts silicon controlled benefit: the one, and power saving, the normal relay that adopts in common circuit, and the electric current of relay is generally wanted tens milliamperes, the required electric current of controllable silicon is little, is therefore convenient to adapted battery, and the 2nd, be that volume is few, be convenient to installing, the 3rd, silicon controlled response speed is rapid, and the reliability of action frequency is more much more than relay, thereby has stronger advantage.
But because controllable silicon has self-sustaining inherency, when after the load of the larger electric current of conducting, disappear once trigger, controllable silicon still can not end, in this circuit, will cause functional failure, thereby must do on the line certain innovation, this circuit is: on power amplifier silicon controlled negative electrode string, power amplifier level is adjusted element, so in the time that second voltage expansion level is low level, because very low level of power amplifier silicon controlled control, and the power amplifier level that this low level is connected lower than power amplifier controllable silicon negative electrode is adjusted the voltage that element forms, theoretical with experimentally all can illustrate, can make power amplifier controllable silicon form reliable cut-off state.So after such processing, controllable silicon has had new feature, controllable silicon has the little feature of saturation conduction pressure drop in the time of conducting, and triggers as " 0 " once trigger end, can end reliably again.Thereby the relation that power amplifier controllable silicon and second voltage expansion level forms in this circuit is, when second voltage expansion level expands the current collection of triode when very high-order, trigger power amplifier controlled silicon conducting, at this moment power amplifier controllable silicon negative electrode can be warning circuit voltage is provided, otherwise when very when low level while being state of saturation (be expansion triode) of the current collection of expansion triode, power amplifier controllable silicon is cut-off state, and makes warning circuit no-voltage.
So finally formed such effect: controllable silicon had both had the strong advantage of conducting load capacity own, had again the good nature that can close with prime.
4,, because the gain amplifier of compound amplifier stage is high, so sensitivity adjustment can be connected on the input end of compound amplifier stage, also because there has been sensitivity adjustment, institute is so that batch production.
5, in sound warning circuit, use audio-frequency power amplifier, simple in circuits, quiescent dissipation is low, and operating voltage range is wide, and peripheral cell is few, and voltage gain adjustment degree is wide, to advantages such as the degree of distortion of sound are low.
6, the warning lamp in light warning circuit is flashing safety warning lamp, at the beginning of case occurs, follows sound warning, increases suspect's psychological pressure, prevents to a great extent the step of crime.
7, further protection is: fail in pre-warning the criminal who prevents; if think that further cracking lockhole enters room; just open lockhole cover plate; be subject to the lockhole switch of lockhole cover plate compressing to make shift knob that displacement occur because of becoming flexible of lockhole cover plate; start warning system, thereby sent formal warning enabling signal.
Two, being arranged on the lockhole switch on lockhole under lockhole cover plate is a key in the present invention, exactly because there has been lockhole switch, just makes warning of the present invention accomplish more scientific, is also the place different from a lot of alarms, and its reason is:
1, can not produce wrong report.When house owner people stays out, what now produce opens the door, and is not normal door, opening the door if now crack lockhole, must be crime behavior, and warning is now very crucial, open the door by lockhole with key and work as owner oneself, because own on the scene, therefore can not make us terrified.
2, be very reliable, in opening the door normally and closing the door, lockhole switch can not move, thereby lockhole switch can not damage, do not need artificial additional move and open the door to close the door, do not affect the normal habits and customs of people, thereby do not affect the each normal work starting of security system yet.
3, be that lockhole switch is sensitive reliable, lockhole switch can be travel switch, just reports to the police, thereby loss is reduced to minimum in the time that crime behavior is not accomplished.Because in the time that lockhole cover plate is loosening, lockhole switch contact will change and send warning enabling signal.
Three, door switch is arranged on door and doorframe junction, and when after door and doorframe closure, doorframe is oppressed the contact of door switch.Opening the door normally in the situation of closing the door, because the electronic recognition system in door can receive self-opening door people's remote signal, thereby under normal circumstances door separate with doorframe, door switch can not send formal warning enabling signal, but not normal door, because the recognition system in door is not received remote signal, therefore when door and the firm displacement of doorframe, doorframe is no longer oppressed the contact of door switch, thereby door switch sends rapidly formal warning enabling signal.So door switch is not affecting and is opening the door and close the door at ordinary times, also could in the time that there is something special, produce warning without preparing more, very convenient reliable, what form opposite house more enters one deck protection.
After the invention process, promoted the security performance of anti-theft safety door, outstanding advantage is as follows:
1, report to the police and possessed lead; the state of affairs is prevented at the beginning of occurring; allow anti-theft safety door possess " initiatively protection "; be stranger can kept outside of the door at ordinary times; when someone commits a crime, can give warning in advance, can formally produce again warning; the record of also can making a video recording, the situation of the passive defence of anti-theft safety door in the past that is through with completely.
2, shooting record performance excellence.The one, before case, record is given prominence to the key points.The 2nd, there iing the owner that can automatically show announcement after record, can " not leak visit ".The 3rd, there is to do cases and can record overall process.The 4th, shooting records various ways.The 5th, in the time recording, there is time of generation.These 5 meanings have return visit and save time, economize energy, save device resource etc. serial advantage, have really realized workable feature and have been.(in the situation of work strain, family can not impunity carry out " returns visit " to shooting, more impossible in return visit, watch a lot of useless impunities general to record).Thereby for understanding family public security present situation, there is very important positive role.
3, report to the police and start reliably, can not produce wrong report, do not affect opening the door and closing the door in normal life, there is automatic identification function, and at any time all in a kind of " highly waiting " state, protection is tight, does not affect normal habits and customs.
4, easily produce.Its reason one is that circuit is simple, the 2nd, and easy debugging, easily universal, safeguard simple.
5, sound warning is followed in light warning, and alarming effect is obvious, and deterrent force is strong, mixes and shoots with video-corder record, and protection more comprehensively.
Brief description of the drawings
Fig. 1 shoots with video-corder warning circuit figure.
In figure: 1, lockhole cover plate; 2, lockhole cover plate extension line; 3, sensitivity adjustment resistance; 4, first amplifying triode; 5, collector resistance; 6, second amplifying triode; 7, expansion triode; 8, expansion level is adjusted element; 9, power amplifier controllable silicon anode and the resistance of controlling the utmost point; 010, power amplifier controllable silicon; 12, power amplifier level is adjusted element; 13, lockhole switch contact extension line; 15, the isolating diode of lock-switch contact extension line; 14, door switch contact extension line; 16, the isolating diode of door switch contact extension line; 17, lockhole switch; 18, manual control switch; 19, shoot with video-corder and start or door; 20, time controller; 21, with the rest-set flip-flop showing; 22, electronic switch; 23, photorecorder; 24, protective resistance; 25, warning lamp; 26, voice sheet; 27, audio-frequency power amplifier; 28, gain adjusting resistance; 29, electric capacity is adjusted in gain; 30, audio frequency is adjusted electric capacity; 31, audio frequency adjusting resistance; 32, commissure electric capacity; 33, loudspeaker.
Fig. 2 is lockhole cover plate, lockhole switch, door switch scheme of installation.
In figure: 1, lockhole cover plate; 2, lockhole cover plate extension line; 13, lockhole switch contact extension line; 14, door switch contact extension line; 16, door switch; 17, lockhole switch; 35, the box of door switch is installed; 36, the printed panel of welding lockhole switch; 37, anti-theft safety door; 39, lockhole.
Embodiment
Fig. 1 and Fig. 2 have described the mode of concrete enforcement.
One, according to Fig. 2 embodiment, lockhole cover plate, lockhole switch, door switch are installed.
1, strike out the lockhole cover plate larger than lockhole with a metal material.
2, spile at the periphery of lockhole cover plate, the place punching that lockhole cover plate is installed at shop front lockhole is corresponding with it, the mounting hole tapping of the shop front.
3, between lockhole cover plate and door, add hollow cushion ring, allow hollow place expose lockhole.
4, lockhole cover plate is fixed in the shop front.Should note fixing between lockhole cover plate and door when fixing time, pad last layer insulant is as plastic washer.
5, connect lockhole cover plate with one end of a wire, the other end connects the input of shooting with video-corder warning circuit.
6, lockhole switch is welded on a bar printing plate, the printed panel that has welded switch is fixed on door lock hole.
7, lockhole switch contact is drawn and is connected the power supply that becomes warning circuit after isolating diode with wire.
8, lockhole cover plate is oppressed lockhole shift knob after fixing.
9, door switch is to be first arranged in a box.
10, the box that has filled door switch is arranged on door and doorframe junction again, and when after door and doorframe closure, doorframe is oppressed the contact of door switch.
11, rear connection two-way is drawn with wire in the contact of door switch, becomes the power supply of warning circuit after an isolating diode of a road connection.Electronic recognition system after another road connects another isolation two extremely and in door joins.
Two, implement to give warning in advance circuit.
1, selectors; Compound amplifier stage triode is all selected high-power NPN triode with expansion triode.
2, weld according to Fig. 1.After being connected isolating diode with lockhole switch contact extension line, the output of power amplifier level becomes respectively the power supply of warning circuit.
3, Circuit tuning: adjust sensitivity adjustment resistance, sensitivity is met the requirements.Adjust gain adjusting resistance and gain adjusting resistance, the gain of audio frequency power amplifier is met the requirements, adjust audio frequency adjusting resistance and audio frequency and adjust electric capacity, make sound undistorted.
Claims (2)
1. a Multifunctional touch monitor, is characterized in that: by lockhole cover plate, and lockhole switch, door switch, shoots with video-corder warning circuit and jointly forms;
Wherein: shoot with video-corder warning circuit and amplify start-up circuit, video recorder, warning circuit and jointly form by shooting with video-corder signal;
Shooting with video-corder signal amplification start-up circuit is made up of sensitivity adjustable resistance, the first compound amplifier stage, second voltage expansion level, the 3rd power amplifier level;
Lockhole cover plate extension line connects one end of sensitivity adjustable resistance, the input that the other end of sensitivity adjustable resistance connects the first compound amplifier stage is the base stage of first amplifier tube, the base stage of second amplifier tube connects the emitter of first amplifier tube, the collector of first amplifier tube and second amplifier tube links together becomes the output terminal of the first compound amplifier stage, between the output terminal of the first compound amplifier stage and power supply, connect a resistance, the base stage of expansion triode is as the input end of second voltage expansion level, the input end of second voltage expansion level and the output terminal of the first compound amplifier stage link together, between the emitting stage of expansion triode and ground wire, be connected expansion level and adjust element, the collector of expansion triode is as the output termination power amplifier silicon controlled control utmost point of second voltage expansion level, between power amplifier silicon controlled anode and the control utmost point, connect a resistance, power amplifier silicon controlled negative electrode connects power amplifier and adjusts the output terminal that becomes the 3rd power amplifier level after element,
Video recorder is by starting or door, electronic switch, jointly forming with the rest-set flip-flop, time controller, the manual control switch that show;
Warning circuit is made up of jointly light warning circuit and sound warning circuit;
Sound warning circuit is made up of jointly the sheet that pronounces, audio-frequency power amplifier, loudspeaker;
Lockhole switch contact extension line connects, door switch contact extension line connects respectively after an isolating diode and the power supply as sound warning circuit and light warning circuit together with the output of the 3rd power amplifier level, the positive terminal of audio-frequency power amplifier is received in the output of pronunciation sheet, the end of oppisite phase ground connection of audio-frequency power amplifier, the output of audio-frequency power amplifier has connect two-way, one tunnel has connected one end of audio frequency adjustment electric capacity, audio frequency is adjusted the electric capacity other end and is connected audio frequency adjusting resistance, audio frequency adjusting resistance other end ground connection, another road is extremely connected with one of loudspeaker after having connected commissure electric capacity, another utmost point ground connection of loudspeaker,
Light warning circuit is in series with protective resistance by warning lamp: lockhole switch contact extension line connects, door switch contact extension line connects respectively after an isolating diode with together with the output of the 3rd power amplifier level and is connected with the power supply of light warning circuit and one end of protective resistance as sound warning circuit, and the protective resistance other end connects warning lamp;
Lockhole cover plate is a sheet metal, is arranged on that door is upper to be covered lockhole switch together with lockhole, is connected on lockhole cover plate with one end of a wire, and the other end is connected to shoots with video-corder in warning circuit;
It is upper that lockhole switch is arranged on door, lockhole cover plate lid lower time, oppress the contact of travel switch, draw with wire the contact of travel switch, connects enter after an isolating diode start or;
Door switch is a travel switch, be arranged on door and doorframe junction, when after door and doorframe closure, doorframe is oppressed the contact of travel switch, draw with wire the contact of travel switch, connect after an isolating diode, as the power supply of light warning circuit and sound warning circuit, enter simultaneously and start or door.
2. a kind of Multifunctional touch monitor according to claim 1, is characterized in that: warning lamp is flashing safety warning lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368347.7U CN203931052U (en) | 2014-07-06 | 2014-07-06 | A kind of Multifunctional touch monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368347.7U CN203931052U (en) | 2014-07-06 | 2014-07-06 | A kind of Multifunctional touch monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931052U true CN203931052U (en) | 2014-11-05 |
Family
ID=51826828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368347.7U Expired - Fee Related CN203931052U (en) | 2014-07-06 | 2014-07-06 | A kind of Multifunctional touch monitor |
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| CN (1) | CN203931052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781255A (en) * | 2014-12-22 | 2016-07-20 | 重庆宁来科贸有限公司 | Touch type monitor capable of achieving active informing when fault occurs |
-
2014
- 2014-07-06 CN CN201420368347.7U patent/CN203931052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781255A (en) * | 2014-12-22 | 2016-07-20 | 重庆宁来科贸有限公司 | Touch type monitor capable of achieving active informing when fault occurs |
| CN105781255B (en) * | 2014-12-22 | 2018-08-28 | 重庆宁来科贸有限公司 | A kind of touch monitor actively reported in the event of failure |
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Granted publication date: 20141105 Termination date: 20160706 |
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