CN201560695U - Anti-theft door and window - Google Patents
Anti-theft door and window Download PDFInfo
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- CN201560695U CN201560695U CN2009202703947U CN200920270394U CN201560695U CN 201560695 U CN201560695 U CN 201560695U CN 2009202703947 U CN2009202703947 U CN 2009202703947U CN 200920270394 U CN200920270394 U CN 200920270394U CN 201560695 U CN201560695 U CN 201560695U
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- theft door
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Abstract
The utility model discloses an anti-theft door and window, comprising a window body and an alarm control circuit, wherein the window body comprises a peripheral frame manufactured by hollow metal pipes and a central protective fence; the peripheral frame and the central protective fence of the window body are internally and respectively provided with more than one wire section; and the wire sections are sequentially connected together in series and are connected with the alarm control circuit to form a conducting path. The anti-theft door and window is characterized in that two ends of the wire sections in each hollow metal pipe arranged at the central protective fence are respectively provided with a first insulator and a second insulator and are used for leading the wire section between the first insulator and the second insulator to be isolated from the corresponding hollow metal pipe; the first insulator is fixed to a first end of the corresponding hollow metal pipe; and the second insulator is fixed to a second end of the corresponding hollow metal pipe by a stressed spring. The anti-theft door and window can send alarm signals when not being damaged or only damaged with a small part, and can effectively avoid the occurrence that a theft damages the protective fence and enters a house for burglary.
Description
Technical field
The utility model relates to a kind of Anti-theft door and window, can be widely used in all kinds of buildings.
Background technology
Along with the development of modern life level, people are more and more higher to the inhabitation safe requirement.For antitheft purpose, the Anti-theft door and window that is used for various buildings is constantly developed, and uses more and more general.Present Anti-theft door and window adopts the moulding of metal mostly, is welded into a closed-in construction fence according to the size of door and window and is packed in door or outside window.Though this simple Anti-theft door and window plays certain antitheft effect, and initial anti-theft effect is better, can be along with the development of society, thief's pilferage means variation, existing Anti-theft door and window can't effectively stop confirmed thief's pilferage behavior, thieves can utilize existing instrument easily Anti-theft door and window to be pried open, and enter in the room, and this not only injures owner's property safety or even life security.For this reason, multiple new-type Anti-theft door and window arises at the historic moment.The Chinese invention patent 94194988.5 of " the broken device of warning sled of security door or burglary-resisting window locking scope and/or hinge scope " by name discloses a kind of external warning device.Yet this device can't the person's of avoiding theft direct violence destroys the behavior of Anti-theft door and window agent structure and then burglary.And this burglar alarm to be installed at burglary-resisting window outer, these devices are easily discerned by the thief, are difficult to reach anti-theft effect, so have much room for improvement.The Chinese utility model patent 00244800.9 of " door window antitheft alarm " by name discloses another door window antitheft alarm, comprises wireless magnetic control inductor that is installed on the doorframe and window frame and the permanent magnets that is installed on the bar.Yet when this device only between doorframe and window frame and bar relative displacement took place, alarm just can send alarm signal., the thief do not separate doorframe and window frame and bar if directly destroying window structure, the consequence that so same existence can't in time be reported to the police.
The utility model content
Based on the above-mentioned problems in the prior art, be necessary to design a kind of early warning type Anti-theft door and window, this Anti-theft door and window needs to be implemented in and does not destroy as yet or during only destroyed sub-fraction, just can in time send alarm signal.
According to an aspect of the present utility model, a kind of Anti-theft door and window is disclosed, this Anti-theft door and window comprises forms and alarm control circuit, wherein said forms comprise peripheral frame and the central roll guard of being made by hollow metal tube, be laid with respectively in the peripheral frame of described forms and the central roll guard more than a conducting line segment, described conducting line segment is cascaded successively, and link to each other with alarm control circuit and to constitute conductive path, it is characterized in that, the two ends that are laid in the conducting line segment in the every hollow metal tube of central roll guard are respectively equipped with first insulating part and second insulating part, are used to make conducting line segment and corresponding hollow metal tube between first insulating part and second insulating part isolated; First insulating part is fixed to first end of corresponding hollow metal tube; And second insulating part is fixed to second end of corresponding hollow metal tube by a stressed spring.
According to another embodiment of the present utility model, at least one in described first insulating part and second insulating part is the rectangle insulating trip, described rectangle insulating trip corresponding hollow metal tube in the radial direction width and the internal diameter of corresponding hollow metal tube be complementary.Preferably, the rectangle insulating trip is identical or be slightly less than the internal diameter of corresponding hollow metal tube at the internal diameter of corresponding hollow metal tube width in the radial direction and corresponding hollow metal tube.
Preferably, the conducting line segment that is laid in the peripheral frame of forms has insulating outer layer, and the conducting line segment that is laid in the central roll guard of forms exposes.
Preferably, the conducting line segment in every of central roll guard hollow metal tube is to be laid on the axis of corresponding hollow metal tube.
Preferably, first insulating part is first end that is fixed to corresponding hollow metal tube by stressed spring.
Preferably, the peripheral frame of described forms is that hollow square tube constitutes, and the central roll guard of described forms is that hollow circular-tube constitutes.
Preferably, the centre of described forms is provided with horizontal hollow section, and the hollow metal tube that constitutes central roll guard passes described horizontal hollow section.
Preferably, described alarm control circuit comprises work triode, relay, alarm buzzer and power supply, and wherein alarm buzzer and relay normal open switch KA1 is connected in series to both ends of power; The colelctor electrode of work triode is connected to an end of power supply by relay; The emitter stage of work triode is connected to the other end of power supply; And base stage and the emitter stage of work triode are connected with two terminations of the conducting line segment that is cascaded in the above-mentioned forms respectively.。
Preferably, the colelctor electrode of work triode directly links to each other with forms by lead.
Preferably, the conducting line segment of laying in the peripheral frame of described forms and the central roll guard, be by successively the end in the same way of the conducting line segment in the adjacent hollow metal tube of central roll guard being linked together, thereby all conducting line segments in the corresponding hollow metal tube are cascaded, utilize the conducting line segment be laid in the peripheral frame further the series conductor section in the above-mentioned central roll guard to be connected to alarm control circuit then.
The utility model provides a kind of early warning type Anti-theft door and window.This Anti-theft door and window can be when forms be cut disconnection, and signal gives the alarm.According to preferred embodiment of the present utility model, the Anti-theft door and window that the utility model provides even can not destroyed fully as yet or only during destroyed sub-fraction at forms, the signal that just gives the alarm, thus can effectively avoid the burglary of thief's tamper protection hurdle to take place.Particularly in the man man-hour is arranged, can before stealer enters the house, promptly give owner's warning reminding at night.This Anti-theft door and window has possessed the double effects of reporting to the police and stopping.Having overcome existing anti-theft product has warning unobstructed, the alarm free of stopping is arranged, the defective of frequently setting up defences and deploying troops on garrison duty.Anti-theft door and window simple in structure, power consumption is low, reliable, does not have wrong report, not influences such as wind-engaging, rain, thunder, mist, light, electromagnetism, vibrations fully.
Description of drawings
Fig. 1 shows the syndeton schematic diagram according to the early warning type Anti-theft door and window of the utility model preferred embodiment; And
Fig. 2 shows the window structure according to the early warning type Anti-theft door and window of the utility model preferred embodiment.
The specific embodiment
The utility model provides a kind of early warning type Anti-theft door and window, and this Anti-theft door and window can be cut when disconnecting at forms, even is not destroyed fully as yet or only during destroyed sub-fraction, signal just gives the alarm at forms.Thereby can effectively avoid the burglary of thief's tamper protection hurdle to take place.
Fig. 1 shows the syndeton schematic diagram according to the early warning type Anti-theft door and window 100 of the utility model preferred embodiment.As shown in Figure 1, the early warning type Anti-theft door and window 100 according to the utility model preferred embodiment comprises forms 110 and alarm control circuit 120.Wherein, the frame construction of forms 110 is made by hollow section.Preferably, the peripheral frame 111 of forms 110 can be made by hollow square tube, and the central roll guard 112 of forms 110 can be made by hollow pipe.Wherein, above-mentioned hollow circular-tube and hollow square tube are interted and the formation forms 110 that are fixed together mutually.Central roll guard 112 shown in Fig. 1 has 4 hollow sections.But can have more than 4 according to circumstances or be less than 4 hollow section according to central roll guard 112 of the present utility model.4 tubular structures shown in Figure 1 only play illustrational effect, and the utility model is not had any limited significance.
According to an embodiment of the present utility model, forms 110 (comprising peripheral frame 111 and central roll guard 112) are made by stainless steel or aluminium alloys.And the lead 114 and 115 in the forms 110 is stainless steel wires.According to another embodiment of the present utility model, forms 110 and lead 114,115 can be made by other conductive materials that is fit to.
According to another embodiment of the present utility model, forms 110 can be reinforced with horizontal hollow section 113 (for example, square hollow) in the centre, and the hollow section that wherein constitutes central roll guard 112 passes hollow section 113.
By top description as can be known, the forms 110 shown in Fig. 1 only are preferred embodiments of forms of the present utility model, but not the utility model itself.For example, forms of the present utility model need not to have the reinforcing hollow section 113 shown in Fig. 1, and the peripheral frame of the utility model forms needs not to be the rectangle frame 111 that illustrates, but can adopt any suitable shape.In addition, Fig. 1 only shows lead 114 in the forms 110 and a kind of tandem-type connection of 115.The those of ordinary skill of electronic circuit field can be easy to expect lead 114 and 115 is carried out other suitable tandem-type connections, as long as can realize being connected with the path of external control circuit.
Fig. 1 further shows the alarm control circuit 120 according to the early warning type Anti-theft door and window 100 of the utility model preferred embodiment.As shown in Figure 1, alarm control circuit 120 is a transistor switching circuit, mainly comprises work triode V, relay K A, alarm buzzer BL and power supply.Wherein, relay K A is connected in series on the colelctor electrode c of triode V.Alarm buzzer BL connects with the normal open switch KA1 of relay K A, and then is connected to the two ends of power supply U.The colelctor electrode c of work triode V is connected to the end of power supply U by relay K A, and the emitter e of work triode V is connected to the other end of power supply U.Further, the base stage b of work triode V and emitter e respectively with forms 110 in two termination a1 of leads (114,115) of series connection be connected with a2, thereby the lead of above-mentioned series connection 114,115 totally plays the effect of resistance between the base stage b of triode V and emitter e.In addition, the colelctor electrode c of work triode V is directly connected to the metal framework structure of forms 110 by lead 130.
As shown in Figure 1, preferably, alarm control circuit 120 can also comprise: be connected the base stage b of work triode and the base stage protective resistance R between the colelctor electrode c, be used to adjust the bias current of work triode; With relay K A diode connected in parallel D1, be used for the self-induction of loop of protective relay KA; And the light emitting diode D2 that connects with relay K A, be used for sending light during by electric current, and then indicating relay KA is in running order at relay K A.According to another embodiment of the present utility model, relay K A also comprises the normal open switch KA2 that is used for carrying out relay K A self-locking, and normal open switch KA2 is connected between the colelctor electrode c and emitter e of work triode.
This alarm control circuit 120 takes triode V on-off circuit to drive relay K A, the relay contact output signal, can realize on-the-spot sound and light alarm, the convenient multiple functions such as realizing dialing the police emergency number, sending note, lockset interlock, monitoring interlock that is connected with the brand alarm host machine.The concrete operating principle of alarm control circuit 120 is described below in conjunction with Fig. 1.
As shown in Figure 1, above-mentioned alarm control circuit 120 be connected with the lead of forms 110 finish after, under the intact situation of forms 110, triode V is in off-state, relay K A no current passes through, K switch A1, KA2 are in normally open.When forms 110 structure of hollow pipes (for example, central authorities' roll guard 112) when being cut off, can cause the lead (for example stainless steel wire 115) in the hollow section to disconnect, cause opening circuit between the base stage b of triode V and the emitter e, thereby the voltage of the base stage b of triode V raises triode V conducting, there is electric current to pass through relay K A, relay K A triggers normal open switch KA1 and closes, thereby makes alarm buzzer BL energising, the signal that gives the alarm (for example luminous or sounding alarm).Simultaneously, relay K A can also trigger normal open switch KA2 and close, thereby realizes the self-locking of relay K A.
Especially, when the hollow section of window structure 110 (for example, central authorities' roll guard 112) is bent to a certain degree and do not destroyed fully constantly as yet, (for example can cause the interior lead of hollow section tube wall and pipe, stainless steel wire 115) short circuit between, because the existence of lead 130, this short circuit promptly causes the colelctor electrode c of triode V and the short circuit between the emitter e.The colelctor electrode c of triode V and the short circuit between the emitter e make relay K A conducting, thereby trigger normal open switch KA1 and KA2 closes, and make the alarm buzzer BL signal that gives the alarm.Because the structure of forms 110 do not destroyed fully in such cases, the thief still can not inlet chamber in, therefore, reporting to the police this moment has warning function, can more effectively organize the generation of pilferage.
According to an embodiment of the present utility model, alarm buzzer BL can also comprise alarm lamp L except that having warning with the loudspeaker, is used for sending the flash of light of reporting to the police when sending alarm sound (for example police whistle sound or warning voice), with the fright thief, prevents crime.According to another embodiment of the present utility model, power supply U shown in Figure 1 can be 4.5 volts of 12 volts of battery supplies, voltage-stabilized power supply or UPS.
Relay K A shown in Figure 1 can be any a brand relay product of public offering on the market.According to an embodiment of the present utility model, relay K A can comprise other switch trigger gears KA3, to realize other warnings and prompting function.For example, switching device KA3 can be connected with note dispensing device (not shown), after the destroyed and then trigger switch device KA3 closure, the note dispensing device can send to the mode of warning information with short message on owner's the mobile phone at forms, thereby realizes the reminding alarm function.Instruction and enlightenment according to the application, those of ordinary skills can be easy to utilize switch trigger gear KA3 to visualize other type of alarm, for example directly dial 110 after the switch trigger gear KA3 closure, start the video record monitoring, inform where the owner fans door and window and destroyed etc.
By top description as can be known, the alarm control circuit 120 shown in Fig. 1 only is a preferred embodiment of alarm control circuit of the present utility model, but not the utility model itself.For example, alarm control circuit of the present utility model need not to have base stage protective resistance R, the light emitting diode D2 shown in Fig. 1, protection diode D1, a plurality of normal open switch KAn, alarm lamp L etc.According to indication of the present utility model and instruction, the those of ordinary skill of electronic circuit field can be easy to expect the warning circuit that is equal to Fig. 1, and these warning circuits also fall within the protection domain that claim of the present utility model limits.
Fig. 2 shows the concrete structure according to the forms 210 of the early warning type Anti-theft door and window 100 of the utility model preferred embodiment.Similar with the structure of the forms 110 shown in Fig. 1, forms 210 comprise peripheral frame 211 and the central roll guard of being made by hollow section 212, and constitute central roll guard 212 hollow section two end portions penetrate (and not whole penetrating) peripheral frame 211, and formation forms that are fixed together with it.And, be furnished with many leads 214 and 215 respectively in the peripheral frame 211 of forms 210 and the central roll guard 212.All leads 214 are connected with the mode of series connection with 215, and two terminations of lead cascaded structure and then link together with the alarm control circuit 220 of outside constitute conductive path.Fig. 2 shows a kind of series system of forms 210 inside conductors, promptly by successively the end in the same way of the lead 215 in the adjacent vacant core barrel of central roll guard 212 being linked together, thereby all leads 215 in the hollow section 212 are cascaded, and around peripheral frame 211 laid inside, last alarm control circuit 220 with the outside is connected with two termination leads 214 of above-mentioned lead 215 cascaded structures.Here need to particularly point out, Fig. 2 only shows lead 214 in the forms 210 and a kind of tandem-type connection of 215.The those of ordinary skill of electronic circuit field can be easy to expect lead 214 and 215 is carried out other suitable tandem-type connections, as long as can realize being connected with the path of external control circuit.
Here preferably, the lead 214 in the peripheral frame 211 has insulating protective layer, needn't worry to be short-circuited between lead 214 and the peripheral frame 211 thereby lead 214 can be laid in the peripheral frame 211.Different with the lead 214 in being laid on peripheral frame 211, the lead 215 naked toppings in the central roll guard 212.Lead 215 is set on the axis of hollow section of central roll guard 212 when mounted, and is isolated by insulation device and hollow section 212, causes short circuit thereby avoid contacting with the hollow tube wall of central roll guard 212.
Fig. 2 has specifically illustrated a kind of preferred mounting means of lead 215.As shown in Figure 2, lead 215 in every section hollow metal tube of central roll guard 212 is the two ends that are fixed on hollow section 212 by insulating trip and spring structure.Specifically, at the initial stage of making forms 210, one section lead 215 suitable with hollow section 212 length is passed hollow section 212 along the axis of hollow section 212, and (for example be equiped with two insulating trips 217 at the two ends of lead 215, by punching on insulating trip 217, the end of lead 215 is fixed on the insulating trip 217).The insulating trip 217 here mainly is to be used for preventing that lead 215 from contacting with hollow section 212 is short-circuited.Insulating trip 217 can be the insulating trip of rectangle, its along hollow section 212 width radially can with the internal diameter of hollow section 212 quite or smaller, like this when the lead 215 that the end is provided with this insulating trip 217 is inserted in the hollow section 212, because lead 215 two ends insulating trips 217 rely on the tube wall of hollow section 212, the lead 215 that is arranged on hollow section 212 central authorities (on the axis) can not contact with the tube wall of hollow section 212 under stressed stretching situation.Here particularly point out, the manufacturing process of collets 217 is simple, be easy to realize, and compares with other insulation devices, being connected and fixed of realization more easily and lead or hollow section (for example mode that articulates with simple punching).
The end that two ends are provided with the lead 215 of insulating trip 217 is fixed on an end of hollow section 212, and the other end of this lead 215 further links to each other with spring 216.According to an embodiment of the present utility model, a section of spring 216 is fixed on the insulating trip 217 of 215 1 sections settings of lead, and the other end of spring 216 is fixed to another end of hollow section 212.Spring 216 should be suitably stressed after installing, and it mainly makes lead 215 be in linear state, prevents lead 215 because tired or expand with heat and contract with cold and contact with hollow section 212 and to cause short circuit.
The inner lead 215 of hollow section 212 is after as above setting completed, a plurality of hollow sections 212 parts that can will have lead 215 penetrate among the peripheral frame 211, a plurality of hollow sections 212 are punched successively penetrate operation in, can be in peripheral frame 211 route wires 214 correspondingly, to realize the series connection of a plurality of leads 215, two terminations with the whole cascaded structure of lead further are connected to outside alarm control circuit 220 at last.Because the series connection joint technology to a plurality of leads belongs to general knowledge known in this field, therefore here repeat no more.
In addition, the central roll guard 212 shown in Fig. 2 has 4 hollow sections.But can have more than 4 according to circumstances or be less than 4 hollow section according to central roll guard 212 of the present utility model.4 tubular structures shown in Figure 2 only play illustrational effect, and the utility model is not had any limited significance.
It should be noted that above-described only is a preferred embodiment of the present utility model.Specific implementation of the present utility model is not limited thereto.Those of ordinary skills can visualize multiple other embodiments under indication of the present utility model and instruction.For example, can spring 216 all be set, perhaps insulating trip 217 can be replaced to the size insulated column piece suitable with hollow section 212 internal diameters at the two ends of lead 215.In addition, lead 214 and 215 series system also are not limited to the disclosed form of Fig. 2.The scheme of any realization lead series connection all drops within the protection domain of the present utility model.
The utility model provides a kind of early warning type Anti-theft door and window.This Anti-theft door and window can be when forms be cut disconnection, and signal gives the alarm.According to preferred embodiment of the present utility model, the Anti-theft door and window that the utility model provides even can not destroyed fully as yet or only during destroyed sub-fraction at forms, the signal that just gives the alarm, thus can effectively avoid the burglary of thief's tamper protection hurdle to take place.Particularly in the man man-hour is arranged, can before stealer enters the house, promptly give owner's warning reminding at night.This Anti-theft door and window has possessed the double effects of reporting to the police and stopping.Having overcome existing anti-theft product has warning unobstructed, has to stop alarm-free defective.Anti-theft door and window simple in structure, reliable do not have wrong report, not influences such as wind-engaging, rain, thunder, mist, light, electromagnetism, vibrations fully.
Protection domain of the present utility model is not limited to the cited specific embodiment of the above-mentioned specific embodiment, as long as but the protection domain that satisfies the utility model claim just fallen within the protection domain of the present utility model.
Claims (10)
1. Anti-theft door and window, comprise forms and alarm control circuit, wherein said forms comprise peripheral frame and the central roll guard of being made by hollow metal tube, be laid with respectively in the peripheral frame of described forms and the central roll guard more than a conducting line segment, described conducting line segment is cascaded successively, and link to each other with alarm control circuit and to constitute conductive path, it is characterized in that
The two ends that are laid in the conducting line segment in the every hollow metal tube of central roll guard are respectively equipped with first insulating part and second insulating part, are used to make conducting line segment and corresponding hollow metal tube between first insulating part and second insulating part isolated;
First insulating part is fixed to first end of corresponding hollow metal tube; And
Second insulating part is fixed to second end of corresponding hollow metal tube by a stressed spring.
2. Anti-theft door and window as claimed in claim 1, it is characterized in that, in described first insulating part and second insulating part at least one is the rectangle insulating trip, described rectangle insulating trip along corresponding hollow metal tube in the radial direction width and the internal diameter of corresponding hollow metal tube be complementary.
3. Anti-theft door and window as claimed in claim 1 or 2 is characterized in that, the conducting line segment that is laid in the peripheral frame of forms has insulating outer layer, and the conducting line segment that is laid in the central roll guard of forms exposes.
4. Anti-theft door and window as claimed in claim 1 or 2 is characterized in that, the conducting line segment in the every hollow metal tube of central roll guard is to be laid on the axis of corresponding hollow metal tube.
5. Anti-theft door and window as claimed in claim 1 or 2 is characterized in that, first insulating part is first end that is fixed to corresponding hollow metal tube by stressed spring.
6. Anti-theft door and window as claimed in claim 2 is characterized in that, the peripheral frame of described forms is that hollow square tube constitutes, and the central roll guard of described forms is that hollow circular-tube constitutes.
7. Anti-theft door and window as claimed in claim 6 is characterized in that the centre of described forms is provided with horizontal hollow section, and the hollow metal tube that constitutes central roll guard passes described horizontal hollow section.
8. Anti-theft door and window as claimed in claim 2 is characterized in that described alarm control circuit comprises work triode, relay, alarm buzzer and power supply, and wherein alarm buzzer and relay normal open switch is connected in series to both ends of power; The colelctor electrode of work triode is connected to an end of power supply by relay; The emitter stage of work triode is connected to the other end of power supply; And base stage and the emitter stage of work triode are connected with two terminations of the conducting line segment that is cascaded in the above-mentioned forms respectively.
9. Anti-theft door and window as claimed in claim 8 is characterized in that, the colelctor electrode of work triode directly links to each other with forms by lead.
10. Anti-theft door and window as claimed in claim 1 or 2, it is characterized in that, the conducting line segment of laying in the peripheral frame of described forms and the central roll guard, be by successively the end in the same way of the conducting line segment in the adjacent hollow metal tube of central roll guard being linked together, thereby all conducting line segments in the corresponding hollow metal tube are cascaded, utilize the conducting line segment be laid in the peripheral frame further the series conductor section in the above-mentioned central roll guard to be connected to alarm control circuit then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202703947U CN201560695U (en) | 2009-12-01 | 2009-12-01 | Anti-theft door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202703947U CN201560695U (en) | 2009-12-01 | 2009-12-01 | Anti-theft door and window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560695U true CN201560695U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202703947U Expired - Fee Related CN201560695U (en) | 2009-12-01 | 2009-12-01 | Anti-theft door and window |
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| Country | Link |
|---|---|
| CN (1) | CN201560695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464563A (en) * | 2016-02-01 | 2016-04-06 | 南昌英卫斯伯贸易有限公司 | Invisible shielding window |
-
2009
- 2009-12-01 CN CN2009202703947U patent/CN201560695U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464563A (en) * | 2016-02-01 | 2016-04-06 | 南昌英卫斯伯贸易有限公司 | Invisible shielding window |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yu Youdong Document name: Notification to Pay the Fees |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121201 |