CN220353746U - Intelligent anti-theft door - Google Patents
Intelligent anti-theft door Download PDFInfo
- Publication number
- CN220353746U CN220353746U CN202321490172.2U CN202321490172U CN220353746U CN 220353746 U CN220353746 U CN 220353746U CN 202321490172 U CN202321490172 U CN 202321490172U CN 220353746 U CN220353746 U CN 220353746U
- Authority
- CN
- China
- Prior art keywords
- door body
- door
- wall
- side wall
- intelligent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses an intelligent anti-theft door, which comprises a door body, wherein a wall body is arranged on one side of the door body, a plurality of locking grooves are formed in the side wall of the wall body, a first through groove is formed in the door body, a motor is fixedly arranged in the first through groove, and the output end of the motor is in transmission connection with a screw rod; if the intelligent lock mechanism breaks down, the first gear can be enabled to rotate by inserting the key into the lock hole, the second gear is driven to rotate after the first gear rotates, at the moment, the second gear rotates to drive the screw to rotate, the moving plate can move left and right under the limiting effect of the moving plate and the inside of the door body, the locking strip leaves the locking groove, the fixation between the door body and the wall body is released, namely the door body can rotate through the rotation of the first rotating shaft, so that the door body can enter a room, and the practical performance of the intelligent lock mechanism can be enhanced by entering the room through the mechanical lock under the condition of the fault of the intelligent lock mechanism.
Description
Technical Field
The utility model relates to the technical field of burglary-resisting doors, in particular to an intelligent burglary-resisting door.
Background
The anti-theft door is called as an anti-theft safety door. It has both anti-theft and safety performances. According to general technical condition of anti-theft safety door, the qualified anti-theft door can not be pried or opened with 615 square centimeter opening on the door leaf or 38 square millimeter opening in 150 square millimeter semicircle of locking point by using common hand tools such as chisel, screwdriver, crow bar and the like and portable electric tools such as electric hand drills and the like within 15 minutes. The lockset used on the burglary-resisting door is a special lock for the burglary-resisting door with the function of preventing drilling, which is detected to be qualified by a detection center of a public security department. The anti-theft door can be made of different materials, but can be called as an anti-theft door only if the anti-theft door meets the standard and is qualified in detection and the standard product of the security protection product is taken.
Because of the development of technology, the existing burglary-resisting door basically uses intelligent locks such as coded locks and fingerprint locks to replace original mechanical locks, the coded locks bring a lot of convenience to me due to new times of products such as fingerprint locks, the burglary-resisting door does not need to go out to carry keys, and the unlocking speed is high, but the existing intelligent burglary-resisting door technology needs to solve the following difficulties and pain.
1. The electronic components inside the intelligent lock can normally operate under the general condition, and the prior study shows that the failure rate of the mechanical lock is far smaller than that of the intelligent lock, so that the electronic circuit of the intelligent lock can be failed in the using process due to external factors, and the intelligent lock can not enter a room through opening a door.
2. If the burglary-resisting door is broken by force, the lockset is damaged, illegal persons can directly enter the room to steal, and no alarm measures are taken, if no measures are taken on time, irreversible damage can be caused to the personal and property.
Therefore, how to avoid the problem that the intelligent lock cannot open the burglary-resisting door due to the fault of the internal electronic circuit is an important problem when unlocking the door.
Disclosure of Invention
Aiming at the defects of the prior art, the intelligent anti-theft door provided by the utility model can solve the problem that the intelligent lock cannot enter a room after the intelligent lock structure fails, and can also alarm and deterrent the outside when the door body is forcedly damaged, so that the protection performance and the safety performance of the anti-theft door are enhanced.
The intelligent anti-theft door comprises a door body, wherein a wall body is arranged on one side of the door body, a plurality of locking grooves are formed in the side wall of the wall body, a first through groove is formed in the door body, a motor is fixedly arranged in the first through groove, the output end of the motor is in transmission connection with a screw rod, a moving plate is arranged on the screw rod in a threaded manner, the screw rod penetrates through the side wall of the moving plate, a plurality of locking strips are fixedly arranged on the side wall of the moving plate, the locking strips are matched with the locking grooves, a second gear is fixedly arranged on the screw rod, the screw rod penetrates through the side wall of the second gear, a second through groove is formed in the side wall of the door body, a protection box is fixedly arranged on the side wall of the door body, a lock hole is formed in the side wall of the protection box, a first gear is rotatably arranged in the protection box, the lock hole can be inserted into a key to rotate the first gear in the protection box, the first gear is meshed with the second gear through the second through groove, one side wall of the door body, and an intelligent locking mechanism is arranged on one side wall of the door body; when the door is opened, if the intelligent lock mechanism breaks down, then can insert the lockhole through the key for first gear rotates, drives the second gear rotation after the first gear rotation, and at this moment, the second gear rotation drives the rotation of screw rod, and the screw rod is rotatory, under the limiting displacement of movable plate and the internal portion of door, make movable plate can left and right movement, make the locking strip leave the locked groove, then the fixed between door body and the wall body is relieved, can pass through the rotation of first pivot, make the door body rotate, thereby can get into the room, realized under the condition that intelligent lock mechanism breaks down, can get into the room through the mechanical lock, the practicality of the device has been strengthened.
The intelligent anti-theft door comprises a coded lock, wherein the coded lock is arranged on the side wall of a door body, a fingerprint lock is arranged below the coded lock, the coded lock and the fingerprint lock are both in the prior art, and the coded lock and the fingerprint lock are used for verifying a code or master fingerprint and then conducting an electric signal to unlock, so that the coded lock and the fingerprint lock are electrically connected with a motor through a PLC sensor without detailed description; in the daily use, when not needing to unlock through the key, can pass through the input password or discern the fingerprint, then the inside of intelligent lock passes through authentication information, with electric signal transmission to the motor, driving motor opens, the motor rotation drives the screw rod rotatory, under the limiting displacement of movable plate and the internal portion of door, make movable plate can control the removal, make the locking strip leave the locked groove, then the fixed between door body and the wall body is relieved, can pass through the rotation of first pivot, make the door body rotatory, thereby can get into indoor, the intelligent lock is comparatively convenient, need not to carry the key, and the unblock is fast, the practicality and the convenience of device have been strengthened.
The intelligent anti-theft door disclosed by the utility model is characterized in that a window is formed in the side wall of the door body, and a plurality of railings are arranged in the window; because the burglary-resisting door body is thicker, the ventilation effect can be strengthened in the setting of window, simultaneously, indoor personnel can observe external environment through the window, and the railing can prevent that external personnel from getting into indoor through the window, has protected indoor, has increased the practicality and the security performance of the device.
The intelligent anti-theft door comprises a window, wherein a first rotating shaft is rotatably arranged on the side wall of the window, a protection plate is fixedly arranged on the side wall of the first rotating shaft, the protection plate is rotatably connected with the window through the first rotating shaft, and a buckling mechanism is arranged between the protection plate and the window; can seal the window through the guard plate, realize burglary-resisting door's privacy, external unable observation inside condition, when inside personnel need observe, unblock buckle mechanism alright observe the outside, also can ventilate indoor.
The intelligent anti-theft door comprises a sliding groove, wherein the sliding groove is formed in the side wall of a protection plate, a spring is fixedly arranged in the sliding groove, a pull plate is fixedly arranged at one end of the spring, a clamping block is fixedly arranged on the side wall of the pull plate, a clamping groove is formed in the inner wall of the window and is matched with the clamping block, and a baffle is fixedly arranged on one side of the sliding groove; through adopting this kind of structure after, rotate the guard gate through the second pivot, inside the draw-in groove is advanced to the fixture block card, can realize the fixed of guard plate, when needing to open the guard plate, through the arm-tie, extrude the spring, at this moment, the fixture block leaves inside the draw-in groove, then rotatory guard plate for the guard plate leaves the window.
The intelligent anti-theft door comprises a plurality of lock grooves, wherein pressure sensors are fixedly arranged on the inner walls of the lock grooves, an alarm is fixedly arranged on the side wall of a wall body, a buzzer is arranged at the top end of the alarm, the pressure sensors are electrically connected with the alarm through a PLC sensor, and the buzzer is electrically connected with the alarm; the pressure sensor is the prior art, its function is the pressure numerical value that detects the sensor end, then the conduction signal of telecommunication, so not detailed description, pressure sensor sets for certain threshold value, under this condition, if because destroy the locking strip by force or pull the door body, become can make pressure sensor surpass certain threshold value, at this moment, pressure sensor can the conduction signal of telecommunication to the alarm, the alarm can automatic alarm flash, then buzzer can make sound, can cause deterrent to the destruction personnel by force, thereby prevent further destruction, the practicality and the security performance of the device have been strengthened.
According to the intelligent lock mechanism, when the door is opened, if the intelligent lock mechanism breaks down, the first gear can be enabled to rotate by inserting a key into the lock hole, the first gear is enabled to rotate to drive the second gear to rotate, at the moment, the second gear is enabled to rotate to drive the screw to rotate, the screw rotates, the moving plate can move left and right under the limiting effect of the moving plate and the inside of the door body, the locking strip is enabled to leave the lock groove, the fixation between the door body and the wall body is released, the door body can be enabled to rotate through the rotation of the first rotating shaft, and therefore the intelligent lock mechanism can enter a room, the practical performance of the intelligent lock mechanism can be improved through the mechanical lock entering the room under the condition that the intelligent lock mechanism breaks down, in addition, the pressure sensor is set to a certain threshold value, under the condition, if the locking strip is damaged forcibly or the door body is pulled, the pressure sensor exceeds a certain threshold value, at the moment, the pressure sensor can transmit an electric signal to the alarm, the alarm can automatically alarm flash, then the buzzer can sound, and deterrent is caused to a person to be damaged forcedly, and further damage the device is prevented, and the practical performance and safety performance of the intelligent lock mechanism is enhanced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure from another perspective of the present utility model;
FIG. 3 is a schematic view of the internal three-dimensional structure of the present utility model;
FIG. 4 is a schematic view of a three-dimensional structure of a screw, a first gear, and a second gear according to the present utility model;
FIG. 5 is a schematic three-dimensional view of the latch mechanism according to the present utility model;
fig. 6 is a schematic perspective view of the assembled pressure sensor, alarm and buzzer with the wall.
Detailed Description
Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1
As shown in fig. 1-5, the intelligent anti-theft door comprises a door body 1, one side of the door body 1 is provided with a wall body 2, the side wall of the wall body 2 is provided with a plurality of locking grooves 3, a first through groove 7 is formed in the side wall of the door body 1, a motor 8 is fixedly arranged in the first through groove 7, the output end of the motor 8 is in transmission connection with a screw rod 9, a moving plate 10 is arranged on the screw rod 9 in a threaded manner, the screw rod 9 penetrates through the side wall of the moving plate 10, the side wall of the moving plate 10 is fixedly provided with a plurality of locking strips 11, the locking strips 11 are matched with the locking grooves 3, the screw rod 9 is fixedly provided with a second gear 15, the screw rod 9 penetrates through the side wall of the second gear 15, the side wall of the door body 1 is provided with a second through groove 12, a protection box 13 is fixedly arranged on the side wall of the door body 1, the side wall of the protection box 13 is provided with a locking hole 16, a first gear 14 is rotatably arranged in the protection box 13, the first gear 16 can be inserted into the first gear 14 to rotate, the key can rotate relative to the first gear 14, the first gear 14 is far away from the first through the side wall body 1, and the side wall body 2 is rotatably provided with a rotating shaft 21; when opening the door, if intelligent lock mechanism breaks down, then can be through inserting the lockhole 16 with the key for first gear 14 rotates, drive second gear 15 rotation after first gear 14 rotates, at this moment, second gear 15 rotation drives the rotation of screw rod 9, screw rod 9 is rotatory, under the spacing effect of movable plate 10 and the inside of door body 1, make movable plate 10 can left and right movement, make locking bar 11 leave locked groove 3, then the fixed between door body 1 and the wall body 2 is released, rotation through first pivot 21, make door body 1 rotate, thereby can get into the room, realized under the condition of intelligent lock mechanism trouble, can get into the room through the mechanical lock, the practicality of the device has been strengthened.
The intelligent lock mechanism comprises a coded lock 17, the coded lock 17 is arranged on the side wall of the door body 1, a fingerprint lock 18 is arranged below the coded lock 17, the coded lock 17 and the fingerprint lock 18 are both in the prior art, and the functions of the coded lock 17 and the fingerprint lock 18 are to verify passwords or master fingerprints and then conduct electric signals to unlock, so that the coded lock 17 and the fingerprint lock 18 are electrically connected with the motor 8 through a PLC sensor; in the daily use, when not needing to unlock through the key, can pass through the input password or discern the fingerprint, then the inside of intelligent lock passes through authentication information, with electric signal conduction to motor 8, driving motor 8 opens, motor 8 rotates and drives screw rod 9 rotation, under the spacing effect of movable plate 10 and the inside of door body 1, make movable plate 10 can left and right movement, make locking strip 11 leave locked groove 3, then the fixed between door body 1 and the wall body 2 is relieved, can pass through the rotation of first pivot 21, make door body 1 rotate, thereby can get into indoor, the intelligent lock is comparatively convenient, need not to carry the key, and the unblock speed is fast, the practicality and the convenience of device have been strengthened.
A window 19 is formed in the side wall of the door body 1, and a plurality of rails 20 are arranged in the window 19; because burglary-resisting door body 1 is thicker, the setting of window 19 can strengthen ventilation effect, simultaneously, indoor personnel can observe external environment through window 19, and railing 20 can prevent that external personnel from getting into indoor through window 19, has protected indoor, has increased the practicality and the security performance of the device.
The side wall of the window 19 is rotatably provided with a second rotating shaft 22, the side wall of the second rotating shaft 22 is fixedly provided with a protection plate 23, the protection plate 23 is rotatably connected with the window 19 through a first rotating shaft 21, and a fastening mechanism is arranged between the protection plate 23 and the window 19; the window 19 can be closed through the protection plate 23, so that the privacy of the burglary-resisting door is realized, the outside cannot observe the internal condition, and when an inside person needs to observe, the unlocking buckle mechanism can observe the outside and can also ventilate the room.
The buckling mechanism comprises a sliding groove 24, the sliding groove 24 is formed in the side wall of the protection plate 23, a spring 25 is fixedly arranged in the sliding groove 24, a pull plate 26 is fixedly arranged at one end of the spring 25, a clamping block 27 is fixedly arranged on the side wall of the pull plate 26, a clamping groove 28 is formed in the inner wall of the window 19, the clamping groove 28 is matched with the clamping block 27, and a baffle 29 is fixedly arranged on one side of the sliding groove 24; through adopting this kind of structure back, rotate the guard gate through second pivot 22, inside clamping block 27 card advances draw-in groove 28, can realize guard plate 23's fixed, when needing to open guard plate 23, through arm-tie 26, extrude spring 25, at this moment, clamping block 27 leaves inside draw-in groove 28, then rotatory guard plate 23 for guard plate 23 leaves window 19.
Example 2
As shown in fig. 6, unlike embodiment 1, there is: the inner walls of the lock grooves 3 are fixedly provided with pressure sensors 4, the side walls of the wall body 2 are fixedly provided with alarm devices 5, the top ends of the alarm devices 5 are provided with buzzer 6, the pressure sensors 4 are electrically connected with the alarm devices 5 through PLC sensors, and the buzzer 6 is electrically connected with the alarm devices 5; the pressure sensor 4 is in the prior art, and has the functions of detecting the pressure value at the sensor end and then conducting an electric signal, so that the pressure sensor 4 is not described in detail, and a certain threshold value is set by the pressure sensor 4, under the condition, if the locking strip 11 is forcibly damaged or the door body 1 is pulled, the pressure sensor 4 exceeds the certain threshold value, at the moment, the pressure sensor 4 can conduct the electric signal to the alarm 5, the alarm 5 can automatically alarm and flash, then the buzzer 6 can make a sound, and the deterrent to the forcibly damaged personnel is caused, so that further damage is prevented, and the practicability and the safety performance of the device are enhanced.
The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (6)
1. Intelligent burglary-resisting door, its characterized in that: including a door body (1), one side of the door body (1) is provided with wall body (2), a plurality of lockgrooves (3) have been seted up to the lateral wall of wall body (2), first logical groove (7) have been seted up to the inside of the door body (1), the inside fixed mounting in first logical groove (7) has motor (8), the output transmission of motor (8) is connected with screw rod (9), install movable plate (10) on screw rod (9) screw thread, screw rod (9) run through the lateral wall of movable plate (10), the lateral wall fixed mounting of movable plate (10) has a plurality of lockbars (11), a plurality of lockbars (11) and lockgroove (3) looks adaptation, fixed mounting has second gear (15) on screw rod (9), screw rod (9) run through second gear (15) lateral wall, the lateral wall of the door body (1) has seted up second through groove (12), the lateral wall fixed mounting of the door body (1) has protective case (13), the lateral wall of protective case (13) has movable plate (10), the lateral wall of protective case (16) has a plurality of lockbars (16) to rotate with second gear (14) looks, can rotate first lockhole (14) and second gear (14), one side of the door body (1) far away from the wall body (2) is rotatably provided with a first rotating shaft (21), and the side wall of the door body (1) is provided with an intelligent lock mechanism.
2. The intelligent security door of claim 1, wherein the intelligent lock mechanism comprises a coded lock (17), the coded lock (17) is arranged on the side wall of the door body (1), a fingerprint lock (18) is arranged below the coded lock (17), and the coded lock (17) and the fingerprint lock (18) are electrically connected with the motor (8) through a PLC sensor.
3. The intelligent anti-theft door according to claim 1, wherein a window (19) is formed in the side wall of the door body (1), and a plurality of railings (20) are arranged in the window (19).
4. The intelligent anti-theft door according to claim 3, wherein a second rotating shaft (22) is rotatably mounted on the side wall of the window (19), a protection plate (23) is fixedly mounted on the side wall of the second rotating shaft (22), the protection plate (23) is rotatably connected with the window (19) through a first rotating shaft (21), and a buckling mechanism is arranged between the protection plate (23) and the window (19).
5. The intelligent anti-theft door according to claim 4, wherein the buckling mechanism comprises a sliding groove (24), the sliding groove (24) is formed in the side wall of the protection plate (23), a spring (25) is fixedly installed inside the sliding groove (24), a pull plate (26) is fixedly installed at one end of the spring (25), a clamping block (27) is fixedly installed on the side wall of the pull plate (26), a clamping groove (28) is formed in the inner wall of the window (19), the clamping groove (28) is matched with the clamping block (27), and a baffle (29) is fixedly installed on one side of the sliding groove (24).
6. The intelligent anti-theft door according to claim 1, wherein the pressure sensors (4) are fixedly mounted on the inner walls of the locking grooves (3), the alarm (5) is fixedly mounted on the side wall of the wall body (2), the buzzer (6) is arranged at the top end of the alarm (5), the pressure sensors (4) are electrically connected with the alarm (5) through the PLC sensor, and the buzzer (6) is electrically connected with the alarm (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321490172.2U CN220353746U (en) | 2023-06-12 | 2023-06-12 | Intelligent anti-theft door |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321490172.2U CN220353746U (en) | 2023-06-12 | 2023-06-12 | Intelligent anti-theft door |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220353746U true CN220353746U (en) | 2024-01-16 |
Family
ID=89481662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321490172.2U Active CN220353746U (en) | 2023-06-12 | 2023-06-12 | Intelligent anti-theft door |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220353746U (en) |
-
2023
- 2023-06-12 CN CN202321490172.2U patent/CN220353746U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106401304A (en) | Motor lock | |
CN220353746U (en) | Intelligent anti-theft door | |
EP1340868B1 (en) | Door lock monitoring unit | |
EP0831442A3 (en) | Anti burglary device | |
EP3190247A1 (en) | Closing device for security locks | |
CN216341517U (en) | Intelligent access control system with anti-theft function | |
CN214886590U (en) | Anti-prizing hinge anti-theft safety door | |
CN111910999B (en) | Aerogenerator entrance guard and use its aerogenerator tower section of thick bamboo door | |
CN2876290Y (en) | Monitoring room door | |
CN212130173U (en) | Door lock system for double-door outward-opening type anti-theft door | |
CN209837939U (en) | Intelligent lockset anti-prying device and intelligent lock | |
CN104929444A (en) | Electronic door lock | |
KR200380748Y1 (en) | Digital Door Lock for Preventing Unauthorized Unlocking by Using Door Drilling Sensor | |
CN208280765U (en) | A kind of cell safe burglar-proof gate inhibition device | |
CN207228940U (en) | A kind of antitheft door using unlocked by fingerprint | |
CN213115869U (en) | Electrical control cabinet with safety cabinet door | |
DE102019129130A1 (en) | Control method and control device for triggering a door or window burglar alarm | |
EP4093934B1 (en) | Actuating handle and device for securing against break-ins | |
KR200398176Y1 (en) | Door Look | |
CN219993419U (en) | Four-lock interaction mechanism for vault door of banking vault | |
CN109949464A (en) | A kind of safe burglar-proof gate inhibition device with multiple tracks verifying | |
CN108331462A (en) | A kind of cell safe burglar-proof gate inhibition device | |
CN221073908U (en) | Vault door with alarm device | |
CN220790907U (en) | Multistage theftproof intelligent safety lock | |
CN207960433U (en) | A kind of home security device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |