CN107060520A - One kind can self-locking passive smart lock - Google Patents
One kind can self-locking passive smart lock Download PDFInfo
- Publication number
- CN107060520A CN107060520A CN201710163466.7A CN201710163466A CN107060520A CN 107060520 A CN107060520 A CN 107060520A CN 201710163466 A CN201710163466 A CN 201710163466A CN 107060520 A CN107060520 A CN 107060520A
- Authority
- CN
- China
- Prior art keywords
- lock
- key
- sliding block
- backing pin
- self
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
Can self-locking passive smart lock the invention discloses one kind, key and lock body including built-in power, described lock body includes lock housing, lock gall is set in lock housing, the lockhole corresponding with key and the dead bolt inserted sheet for inserting in dead bolt and driving dead bolt to rotate are set on lock gall, insulation sleeve is set in lock gall, wiring board and the motor electrically connected with wiring board, conductive pin is installed in insulation sleeve, conductive pin is electrically connected with wiring board, the sliding block block being sequentially connected is set in transverse direction in lock gall, reset sliding block and spring with groove, vertically direction sets the gear backing pin with backing pin cap, the internal tooth of the gear backing pin is meshed with the gear in driving motor output shaft.It is disclosed in this invention can self-locking passive smart lock, set in transverse direction in lock gall and reset sliding block, vertically direction setting gear backing pin, the backing pin cap of gear backing pin is set to depart from or enter the neck of lock-shell lining by plugging key, so as to realize unlocking and automatic locking.
Description
Technical field
The invention belongs to smart lock field, more particularly to one kind in the field can self-locking passive smart lock.
Background technology
Lockset is not only the daily necessities of the mankind, and it represents the culture of a country and national different periods of history.
Rope, wood lock from early stage, metal latch；Mechanical lock, coded lock, electronic lock till now etc., the different internal junction by designing
Structure realizes different functions.
Current smart lock function such as increase e-management generally on the basis of tradition machinery lock, security performance is obtained greatly
Improve；But current smart lock has following defect：1. due to being electrified for a long time, cause battery drain larger, and the too low meeting of power
Mechanical part can not be unlocked and is locked；2. complicated, parts are excessive, and production, assembling are difficult.
The content of the invention
The technical problems to be solved by the invention are just to provide one kind can self-locking passive smart lock.
The present invention is adopted the following technical scheme that：
One kind can self-locking passive smart lock, include the key and lock body of built-in power, described lock body includes lock housing, lock
Set in shell and set the lockhole corresponding with key and the dead bolt for inserting in dead bolt and driving dead bolt to rotate to insert on lock gall, lock gall
Piece, it is theed improvement is that：Set in lock gall in insulation sleeve, wiring board and the motor electrically connected with wiring board, insulation sleeve
Conductive pin is installed, conductive pin is electrically connected with wiring board, the sliding block block being sequentially connected, band groove are set in transverse direction in lock gall
Reset sliding block and spring, vertically direction set the gear backing pin with backing pin cap, the internal tooth and motor of the gear backing pin
Gear on output shaft is meshed, when being not inserted into key, and spring force is allowed to push against by resetting sliding block acting slider block
Lock gall inwall, resets sliding block and then the backing pin crown of gear backing pin is entered in the neck of lock-shell lining, and after insertion key, key passes through
Sliding block block makes the groove of reset sliding block relative with the bottom of gear backing pin, conduction on the key towards spring pressed home sliding block
Probe is electrically connected to power and communicate for wiring board with conductive pin；Wiring board control motor after checking key turns
Dynamic, motor moves down to be inserted to after the groove inner wall for resetting sliding block with moving gear backing pin to be stopped, and backing pin cap departs from lock housing
The neck of wall, wiring board, which outputs signal to key buzzer sound production prompt, can rotate unlocking.
Further, positioning ball is also set up in lock gall, the positioning hole corresponding with the positioning ball, lock are set on the key
The locating slot corresponding with the positioning ball is set on shell and through locating slot for the locating ring moved including the positioning ball,
When being not inserted into key, the locating slot that sliding block block heads into positioning ball in lock housing is inserted after key, and sliding block gear is opened on key top
Block makes positioning ball from the locating slot abjection in lock housing into positioning hole on the key, when rotating key, in key positioner hole
Positioning ball can be rotated with key along the locating ring in lock housing, and positioning ball is between positioning hole and locating ring in rotation process
Key is not extracted, when going back to the locating slot in lock housing again, positioning ball can be headed into locating slot to extract key.
Further, the wiring board support block set in lock gall pushes down motor in a vertical direction.
Further, lock core cover plate and lower lock core cover are set in lock gall, up and down the cavity content between lock core cover
Receive wiring board and motor.
Further, the lock core set in lock gall is fixed buckle and is fixedly connected with core cover plate of locking.
Further, backing pin cap is interference fitted with gear backing pin, is resetted sliding block and is inserted by stopper in sliding block block, stopper
It is interference fitted between sliding block block.
Further, sealing ring is set between lock housing and lock gall.
Further, dead bolt inserted sheet is fixedly mounted on lock gall by inserted sheet fixed seat, and inserted sheet fixed seat then passes through fixation
Seat screw is fixedly mounted on lock gall.
Further, it is additionally provided with jump ring in inserted sheet fixed seat.
The beneficial effects of the invention are as follows：
It is disclosed in this invention can self-locking passive smart lock, set in transverse direction in lock gall and reset sliding block, vertically
Direction sets gear backing pin, the backing pin cap of gear backing pin is departed from or enter the neck of lock-shell lining by plugging key, so that
Realize and unlock and automatic locking.
It is disclosed in this invention can self-locking passive smart lock, also set up positioning ball in lock gall, set on the key
Set in the positioning hole corresponding with the positioning ball, lock housing the locating slot corresponding with the positioning ball and through locating slot with
For the locating ring moved including the positioning ball, key is inserted after lock gall can not extract during unlocking is rotated, and prevent from using
Family maloperation.
It is disclosed in this invention can self-locking passive smart lock, reduce lock in number of devices, lock can be improved
Efficiency of assembling, reduces assembly process and personnel, cost-effective, is allowed to by spring force by resetting sliding block acting slider block
Push against lock gall inwall and realize automatic locking action, the problem of electronic intelligent lock power consumption is big is both solved without being powered to lock body,
The problem of can not being locked after power-off is also overcomed, the security of electronic intelligent lock is substantially increased.
Brief description of the drawings
Fig. 1 be disclosed in the embodiment of the present invention 1 can self-locking passive smart lock front view；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 2 B-B sectional views；
Fig. 4 be disclosed in the embodiment of the present invention 1 can self-locking passive intelligent be locked in the position of backing pin cap under unlocking condition
Schematic diagram；
Fig. 5 be disclosed in the embodiment of the present invention 1 can self-locking passive smart lock spring reset when schematic diagram；
Fig. 6 be disclosed in the embodiment of the present invention 1 can self-locking passive smart lock device exploded perspective view.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1, as shown in figures 1 to 6, present embodiment discloses one kind can self-locking passive smart lock, it is including built-in
The key and lock body of power supply, described lock body, which includes setting in lock housing 1, lock housing 1, sets corresponding with key on lock gall 2, lock gall 2
Lockhole and insertion dead bolt in and the dead bolt inserted sheet 18 that drives dead bolt to rotate, set in lock gall insulation sleeve 20, wiring board 13 and with
Conductive pin 21 is installed, conductive pin 21 is electrically connected with wiring board 13 in the motor 8 that wiring board 13 is electrically connected, insulation sleeve 20, locked
The sliding block block 5 being sequentially connected, reset sliding block 7 with groove and spring 9 are set in transverse direction in courage 2, and vertically direction is set
The gear backing pin 10 with backing pin cap 15 is put, the internal tooth of the gear backing pin 10 is meshed with the gear on the output shaft of motor 8,
When being not inserted into key, spring force is allowed to push against lock gall inwall by resetting sliding block acting slider block, resets sliding block then tooth
The backing pin crown of wheel backing pin enters in the neck of lock-shell lining, and after insertion key, key is by sliding block block towards spring pressed home
Sliding block, makes that the groove of reset sliding block is relative with the bottom of gear backing pin, and conducting probe on the key is electrically connected to conductive pin
Power and communicate for wiring board；Wiring board control motor after checking key is rotated, and motor band moving gear is kept off
Pin, which moves down to be inserted to after the groove inner wall for resetting sliding block, to be stopped, and backing pin cap departs from the neck of lock-shell lining, wiring board output letter
Number unlocking can be rotated to key buzzer sound production prompt.
Positioning ball 4 is also set up in lock gall, sets set in the positioning hole corresponding with the positioning ball, lock housing on the key
The locating slot corresponding with the positioning ball and through locating slot for the locating ring moved including the positioning ball, be not inserted into
During key, the locating slot that sliding block block heads into positioning ball in lock housing is inserted after key, sliding block block is opened on key top makes positioning
Steel ball enters positioning hole on the key, when rotating key, the positioning ball in key positioner hole from the locating slot abjection in lock housing
Can with key along in lock housing locating ring rotate, in rotation process positioning ball make between positioning hole and locating ring key without
Method is extracted, and when going back to the locating slot in lock housing again, positioning ball can be headed into locating slot to extract key.
Alternatively, in the present embodiment, the wiring board support block 14 set in lock gall is vertical
Motor is pushed down on direction.Lock core cover plate 12 and lower lock core cover 6 are set in lock gall, up and down the cavity between lock core cover
Interior receiving wiring board and motor.The lock core set in lock gall is fixed buckle 11 and is fixedly connected with core cover plate of locking.Backing pin cap
It is interference fitted with gear backing pin, resets sliding block and inserted by stopper in sliding block block, is interference fitted between stopper and sliding block block.
Sealing ring 3 is set between lock housing and lock gall.Dead bolt inserted sheet 18 is fixedly mounted on lock gall by inserted sheet fixed seat 17, and inserted sheet is solid
Reservation 17 is then fixedly mounted on lock gall by fixed seat screw 19.Jump ring 16 is additionally provided with inserted sheet fixed seat 17.
Specifically, the main part of the present embodiment：Lock housing, lock core accessory, dead bolt inserted sheet etc.；Drive part：Conductive pin,
Insulation sleeve, wiring board, motor, gear backing pin, backing pin cap etc.；Mechanical return part：Reset sliding block, sliding block block, spring,
Positioning ball etc..
Main part：When backing pin cap is in the neck of lock-shell lining, lock gall can not be rotated；Card of the backing pin cap in lock-shell lining
When outside groove, lock gall can drive lock body accessory unitary rotation.
Drive part：Key outputs current to wiring board by conductive pin, and wiring board control motor is rotated, driving electricity
Machine is turned clockwise by the gear on output shaft and moved down with moving gear backing pin and backing pin cap, moves down quilt after 2.6mm
Lock gall is spacing.
Mechanical return part：Key insertion promotes sliding block block, reset sliding block to travel forward, and key confined planes connect with lock gall
Tactile stopping travels forward, and now gear backing pin and backing pin cap just move down space, and positioning ball aligns with key empty avoiding, fixed
Position steel ball has upward space, and spring is compressed；Key, which is extracted out, is pressed into positioning ball in lock housing locating slot, and spring promotes multiple
Position sliding block is moved backward, resets sliding block and gear backing pin and backing pin cap are pushed up into 2.6mm by groove inclined-plane, and seal gear
Backing pin and positioning ball.
Unlocking process, key is alignd insertion lock gall with lockhole, is promoted sliding block block and is resetted sliding block travelling forward, concede
Gear backing pin moves down space, and when key promotes 4mm, confined planes contact stopping with lock gall and travelled forward, and now spring is pressed
Contracting, key upper Positioning holes and positioning ball alignment, on the key both positive and negative polarity conducting probe respectively with conductive pin contacts；Wiring board is verified
Rotated after key decryption by programme-control motor, the gear rotary course band moving gear backing pin in driving motor output shaft
With backing pin cap vertical downward movement, motion 2.6mm encounters lock gall confined planes, and motor stops operating, wiring board output signal
Sending sound to key buzzer can unlock, and rotation key drives the lock body integral-rotations such as lock gall, rotate and start lock housing side
By in positioning ball press-in alignment keyhole, prevent key from extracting, continue rotation dead bolt inserted sheet and drive dead bolt rotation to unlock.
Auto-lock process, rotation key drives lock gall and lock body integral-rotation, and dead bolt inserted sheet drives dead bolt rotation to lock, works as key
When spoon rotates to some position, positioning ball is alignd with lock housing locating slot, can extract key, and positioning ball is pressed into by key to be locked
In the locating slot of shell；Spring promotes reset sliding block and sliding block block to travel forward, and resets sliding block and first promotes gear backing pin and backing pin
Cap upward vertical movement 2.6mm, backing pin cap enters in lock housing correspondence neck, and sliding block is resetted afterwards and sliding block block continues forward simultaneously
Positioning ball is sealed, stop motion after sliding block block locating surface is contacted with lock gall confined planes, self-locking terminates.
Claims (9)
1. one kind can self-locking passive smart lock, include the key and lock body of built-in power, described lock body includes lock housing,
Set in lock housing and set the lockhole corresponding with key and the dead bolt for inserting in dead bolt and driving dead bolt to rotate to insert on lock gall, lock gall
Piece, it is characterised in that：Set in insulation sleeve, wiring board and the motor electrically connected with wiring board, insulation sleeve and install in lock gall
Conductive pin, conductive pin is electrically connected with wiring board, sets the sliding block block, with groove multiple being sequentially connected in lock gall in transverse direction
Position sliding block and spring, vertically direction the gear backing pin with backing pin cap is set, internal tooth and the motor of the gear backing pin are exported
Gear on axle is meshed, when being not inserted into key, and spring force is allowed to push against lock gall by resetting sliding block acting slider block
Inwall, resets sliding block and then the backing pin crown of gear backing pin is entered in the neck of lock-shell lining, and after insertion key, key passes through sliding block
Block makes the groove of reset sliding block relative with the bottom of gear backing pin, conducting probe on the key towards spring pressed home sliding block
It is electrically connected to power and communicate for wiring board with conductive pin；Wiring board control motor after checking key is rotated,
Motor moves down to be inserted to after the groove inner wall for resetting sliding block with moving gear backing pin to be stopped, and backing pin cap departs from lock-shell lining
Neck, wiring board, which outputs signal to key buzzer sound production prompt, can rotate unlocking.
2. according to claim 1 can self-locking passive smart lock, it is characterised in that：Positioning steel is also set up in lock gall
Pearl, sets the locating slot corresponding with the positioning ball is set in the positioning hole corresponding with the positioning ball, lock housing on the key
And through locating slot for the locating ring moved including the positioning ball, when being not inserted into key, sliding block block is by positioning ball
After the locating slot headed into lock housing, insertion key, sliding block block is opened on key top makes positioning ball from the locating slot abjection in lock housing
Into positioning hole on the key, when rotating key, positioning ball in key positioner hole can be with key along the locating ring in lock housing
Rotate, positioning ball makes key not extract between positioning hole and locating ring in rotation process, is going back to again in lock housing
Locating slot when, positioning ball can be headed into locating slot to extract key.
3. according to claim 1 can self-locking passive smart lock, it is characterised in that：The wiring board set in lock gall
Support block pushes down motor in a vertical direction.
4. according to claim 1 can self-locking passive smart lock, it is characterised in that：Core cap of locking is set in lock gall
Plate and lower lock core cover, accommodate wiring board and motor up and down in the cavity between lock core cover.
5. according to claim 4 can self-locking passive smart lock, it is characterised in that：The lock core set in lock gall is consolidated
Determine buckle to be fixedly connected with core cover plate of locking.
6. according to claim 1 can self-locking passive smart lock, it is characterised in that：Backing pin cap and gear backing pin mistake
It is full of cooperation, resets sliding block and inserted by stopper in sliding block block, is interference fitted between stopper and sliding block block.
7. according to claim 1 can self-locking passive smart lock, it is characterised in that：Set between lock housing and lock gall
Put sealing ring.
8. according to claim 1 can self-locking passive smart lock, it is characterised in that：Dead bolt inserted sheet is solid by inserted sheet
Reservation is fixedly mounted on lock gall, and inserted sheet fixed seat is then fixedly mounted on lock gall by fixed seat screw.
9. according to claim 8 can self-locking passive smart lock, it is characterised in that：Also set up in inserted sheet fixed seat
There is jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163466.7A CN107060520B (en) | 2017-03-19 | 2017-03-19 | One kind can self-locking passive smart lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163466.7A CN107060520B (en) | 2017-03-19 | 2017-03-19 | One kind can self-locking passive smart lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060520A true CN107060520A (en) | 2017-08-18 |
| CN107060520B CN107060520B (en) | 2019-08-06 |
Family
ID=59620745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710163466.7A Active CN107060520B (en) | 2017-03-19 | 2017-03-19 | One kind can self-locking passive smart lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060520B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978059A (en) * | 2018-01-15 | 2018-05-01 | 浙江华仪电子股份有限公司 | A kind of intelligent access control system |
| CN109736648A (en) * | 2019-02-21 | 2019-05-10 | 内蒙古泰力科技有限公司 | A kind of passive smart lock and padlock |
| CN110318588A (en) * | 2019-06-14 | 2019-10-11 | 厦门美科安防科技有限公司 | Automatically reset passive cam lock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334420C1 (en) * | 1993-10-08 | 1994-11-24 | Bab Ikon Gmbh Schliestechnik | Double lock cylinder |
| CN2398390Y (en) * | 1999-11-29 | 2000-09-27 | 陈伟禧 | IB card electronic lock with electrical arrangement in it |
| CN102232135A (en) * | 2008-07-15 | 2011-11-02 | 赛尔图系统公司 | Electromechanical cylinder for a lock |
| CN202870953U (en) * | 2012-11-13 | 2013-04-10 | 四川润智兴科技有限公司 | Micro-power consumption intelligent electronic lock head |
| CN105545115A (en) * | 2016-02-19 | 2016-05-04 | 杭州咸亨国际科研中心有限公司 | Lock cylinder capable of resetting automatically |
-
2017
- 2017-03-19 CN CN201710163466.7A patent/CN107060520B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334420C1 (en) * | 1993-10-08 | 1994-11-24 | Bab Ikon Gmbh Schliestechnik | Double lock cylinder |
| CN2398390Y (en) * | 1999-11-29 | 2000-09-27 | 陈伟禧 | IB card electronic lock with electrical arrangement in it |
| CN102232135A (en) * | 2008-07-15 | 2011-11-02 | 赛尔图系统公司 | Electromechanical cylinder for a lock |
| CN202870953U (en) * | 2012-11-13 | 2013-04-10 | 四川润智兴科技有限公司 | Micro-power consumption intelligent electronic lock head |
| CN105545115A (en) * | 2016-02-19 | 2016-05-04 | 杭州咸亨国际科研中心有限公司 | Lock cylinder capable of resetting automatically |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978059A (en) * | 2018-01-15 | 2018-05-01 | 浙江华仪电子股份有限公司 | A kind of intelligent access control system |
| CN109736648A (en) * | 2019-02-21 | 2019-05-10 | 内蒙古泰力科技有限公司 | A kind of passive smart lock and padlock |
| CN110318588A (en) * | 2019-06-14 | 2019-10-11 | 厦门美科安防科技有限公司 | Automatically reset passive cam lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107060520B (en) | 2019-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107060520A (en) | One kind can self-locking passive smart lock | |
| CN205314678U (en) | Door lock panel of built -in separation and reunion of handle | |
| CN109610955B (en) | Fingerprint padlock | |
| CN208380324U (en) | A kind of blue-tooth intelligence padlock | |
| CN208010118U (en) | A kind of fingerprint-based padlock | |
| CN203547275U (en) | High-safety clutch electronic lock | |
| CN203806041U (en) | Remote-manual combination anti-theft lock | |
| CN102425339A (en) | Electronic lock capable of being automatically locked | |
| CN210483315U (en) | Lock structure and fingerprint padlock | |
| CN101435290B (en) | Minitype electric lockset | |
| CN104047478B (en) | The simple and easy electric lock head for clutch of Micro Energy Lose | |
| CN107893585A (en) | A kind of luggage case smart lock | |
| CN209837986U (en) | Fingerprint padlock | |
| CN205531784U (en) | Remote control unit for electronic lock | |
| CN201074447Y (en) | Intelligent electronic padlock | |
| CN211647699U (en) | Fingerprint padlock | |
| CN210284165U (en) | Multifunctional electric door lock for motorcycle | |
| CN208236142U (en) | A kind of electron key and electronic lock cylinder that contact is good | |
| CN106836991A (en) | The electromechanical cylinder and key of a kind of intelligent double-control and its application | |
| CN104047477B (en) | Micro-power-consumption simple intelligent electronic lock | |
| CN207728170U (en) | A kind of luggage case smart lock | |
| CN201111185Y (en) | Electronic lock | |
| CN103670020A (en) | Intelligent embedded pin tumbler lock for vehicle | |
| CN215332051U (en) | Novel more stable electric power tool to lock | |
| CN212105482U (en) | Connecting rod lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 266000 No. 69 Guangsheng Road, Qingdao High-tech Zone, Shandong Province Applicant after: Qingdao carenovo Technology Co. Ltd. Address before: 266000 No. 69 Guangsheng Road, Qingdao High-tech Zone, Shandong Province Applicant before: Qingdao Yi Emmett Electronics Co. Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |