CN200983069Y - Elevating projection screen with portable electromotive base - Google Patents
Elevating projection screen with portable electromotive base Download PDFInfo
- Publication number
- CN200983069Y CN200983069Y CN 200620154356 CN200620154356U CN200983069Y CN 200983069 Y CN200983069 Y CN 200983069Y CN 200620154356 CN200620154356 CN 200620154356 CN 200620154356 U CN200620154356 U CN 200620154356U CN 200983069 Y CN200983069 Y CN 200983069Y
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- support bar
- curtain
- lifting arm
- housing
- lower support
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Abstract
A portable electric seating ground lifting projection screen of the utility model belongs to the field of projection screens, which comprises a top cover, a curtain lifting pole, upper supporting poles, a upper joint, a lower joint, wire ropes, supporting pole springs, lower supporting poles, supporting feet, a housing, a curtain, a free bearing, a roll-tube, an electric machine, a handle and sliding connect elements. A left upper supporting pole and a right upper supporting pole mutually crossed are arranged between the curtain lifting pole and the housing, and a left lower supporting pole and a right lower supporting pole mutually crossed are arranged between the curtain lifting pole and the housing. The crossing end of the upper supporting poles is jointed to the crossing end of the lower supporting pole through the upper joint and the lower joint. An infrared ray receiver is connected to the controlling button of the electric machine. The utility model is simple in structure and convenient to operate without installing, thereby being a portable electric seating ground lifting projection screen.
Description
Technical field
The electronic seat ground lifting of the utility model portable type projection screen belongs to the projection screen field, particularly relates to the projection screen of a kind of ground lifting.
Prior art
Image from projector generally is exaggerated Projection Display on reflection type screen, in such screen, is installed on ceiling or the wall, and need carries out complex installation.In these years, along with the meeting increase of company or agency etc., and growing family's request for utilization, can carry easily with projector, the movable screen apparatus that can be used for the playground arises at the historic moment, promptly popular gradually in the market seat ground curtain.Movable seat ground curtain in the market is by manual operations, when operation screen steady inadequately, damage easily during misoperation.Existing projection screen is by the projection screen trombone slide, base is formed, and during use, projection screen can be pulled out, after finishing using, projection screen is received on the projection screen trombone slide, and the lifting of projection screen is adopted manually, and the support link of projection screen adopts folding mode, screen is steady inadequately when operation, be not that skilled operating personnel are difficult to operation, influence is used, and brings a lot of inconveniences to the user.Develop a kind of portability for this reason, need not to install, screen apparatus easy and simple to handle has become the active demand in market.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part, and provide a kind of simple in structure, portable, need not to install, simple to operation, the electronic seat ground lifting of safe and reliable portable type projection screen.
The purpose of this utility model realizes that by following measure it is by loam cake, the curtain lifting arm, upper support bar, upper joint, hypozygal, wire rope, support bar spring, lower support bar, feet, housing, curtain, free bearing, tube, motor, handle, sliding connector is formed, and at housing left socle and the right support that is used for fixing motor is installed, and motor connects tube by adapter sleeve, motor locating piece fixed electrical machinery is on housing, curtain is wound on the tube, and the tube plug is connected on the right support, and curtain is fixedly mounted on the curtain lifting arm, the curtain lifting arm is provided with loam cake, the curtain lifting arm is provided with locating shaft, and locating shaft connects loam cake, and spring is installed on locating shaft, owing to producing, the effect of locating shaft and spring flexibly connects between loam cake and the curtain lifting arm, on the curtain lifting arm, loam cake is provided with magnet for the ease of the location loam cake, and corresponding curtain lifting arm is provided with magnet, magnet interacts, and keeps locating between loam cake and the curtain lifting arm.The effect of motor provides needed power when being to reclaim curtain, be made up of motor, tube, adapter sleeve, motor locating piece, tube plug.The power of motor is transferred to tube coiling curtain by adapter sleeve, and tube plug axle core and motor locating piece square toes are positioned the pilot hole of left and right sides support respectively, thereby the assurance electric machine assembly turns round steadily and is horizontal.
In use, when reclaiming curtain, the driven by motor tube rotates.Because of curtain is wound on the tube, curtain will spur the curtain lifting arm and loam cake moves downward, the power that the driving force of motor will impel support bar to overcome the support bar spring folds until regaining whole screen, and make loam cake become to seal state with housing, when needs during with the screen pull-up, motor oppositely changes and revolves, and screen will be in release conditions, support bar will be under the effect of support bar spring jack-up curtain lifting arm, and the pulling curtain moves up to the working depth of setting.Loam cake covers on housing, because the effect of locating shaft and spring, makes between loam cake and the housing and produces and flexibly connect, and can prevent from that operating personnel from pointing to be clamped.
The function of support bar is to promote the curtain lifting arm, drives the curtain lifting arm and makes curtain rise to the height and position of requirement, and it is made up of upper support bar, lower support bar, joint, coupling shaft, support bar spring, support bar upper bed-plate, support bar lower bottom base.Upper support bar one end is fixed in the curtain lifting arm and rotates, and lower support bar one end is fixed on the lower support bar base by free bearing and can rotates.On, the other end of lower support bar is equipped with respectively, hypozygal, on, hypozygal is connected by coupling shaft, make, lower support bar can rotate freely around coupling shaft, open and fold, one end of support bar spring is fixed on the lower support bar, cable wire of another termination is fixed on the upper support bar, make spring produce a pretension during installation, make lower support bar be in open configuration all the time, the acting force of its generation will be complementary with the power of motor, can drive screen to duty, the power of motor can overcome the acting force of support bar spring again screen is regained, satisfying under the prerequisite of above-mentioned condition, spring force is the smaller the better, can reduce the rigidity and the requirement of strength of total like this, make housing, support bar, reduce wall thickness during Component Design such as loam cake as far as possible, reduce weight.And can make the curtain distortion that is not stretched.Upper support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, lower support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar, the design that intersects can make the height of rise can be greater than the length of base, left and right sides upper support bar (or left and right sides lower support bar) is connected by a sliding connector simultaneously, in use, when reclaiming curtain, the driven by motor tube rotates.Because of curtain is wound on the tube, curtain will spur the curtain lifting arm and loam cake moves downward, the power that the driving force of motor will impel support bar to overcome the support bar spring folds until regaining whole screen, and make loam cake become to seal state with housing, when needs during with the screen pull-up, motor oppositely changes and revolves, and screen will be in release conditions, support bar will be under the effect of support bar spring jack-up curtain lifting arm, and the pulling curtain moves up to the working depth of setting.
Upper support bar is provided with a chute, and sliding connector is installed in the chute of upper support bar, and left and right sides upper support bar infall connects by sliding connector.
Lower support bar is provided with a chute, and sliding connector is installed in the chute of lower support bar, and left and right sides lower support bar infall connects by sliding connector.
The end of housing is provided with a pushing cover, and left socle is provided with a push button, and the push button spring withstands on the push button, boss is arranged on push button, boss cooperates and can engage mutually on the position that engaging is arranged on pushing cover, the position that engages on the pushing cover and push button, and a space is arranged on the end of housing, when pushing cover closes, under the effect of push button spring, make the engaging of push button and pushing cover, promote push button in the time of opening, the folding position is thrown off, and pushing cover will be opened.Pushing cover is provided with turning axle, and left socle is provided with the hole, and the turning axle on the pushing cover cooperates with hole on the left socle, makes the pushing cover rotation, is easy to open pushing cover to horizontal level, can place power lead and telepilot in the space on the end of housing.
The novel Electric Machine Control button of this use is arranged on the housing, and the Electric Machine Control button is connected on the main circuit board, and main circuit board is provided with infrared receiver.Infrared receiver is connected with the Electric Machine Control button, and the remote control mainboard is fixed on the multi-functional box, and multi-functional box is fixed on the left socle, and the wiring board that infrared receiving terminal is housed is fixed on the left socle, has a window at protecgulum and is used to receive infrared signal.External remote control receives infrared remote-control device and circulation hand push button, has enlarged the scope of application.
The utility model is simple in structure, and is simple to operation, need not to install, and is the electronic seat ground lifting of a kind of portable type projection screen.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is side structure synoptic diagram of accompanying drawing 1.
Accompanying drawing 3 is the utility model upper support bar and lower support bar structural representation.
Accompanying drawing 4 is the utility model upper support bar and lower support bar structural representation.
Accompanying drawing 5 is the utility model housing side structural representations.
Accompanying drawing 6 is pushing cover structural representations of the utility model shell end.
Accompanying drawing 7 is infrared receiver synoptic diagram of the present utility model.
Accompanying drawing 8 is superstructure synoptic diagram of the present utility model.
Accompanying drawing 9 is motor component synoptic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, shown in the accompanying drawing 4, it is by loam cake 1 for the utility model, curtain lifting arm 2, upper support bar 3, upper joint 4, hypozygal 5, wire rope 6, support bar spring 7, lower support bar 8, feet, housing 10, curtain, free bearing 35, tube, motor, handle, coupling shaft 17, sliding connector 16 is formed, left socle and the right support that is used for fixing motor is installed at housing, motor connects tube, curtain is wound on the tube, curtain is fixedly mounted on the curtain lifting arm, the curtain lifting arm is provided with loam cake, a pair of upper support bar 3 one ends are fixed on the curtain lifting arm, former and later two grooves are arranged on the curtain lifting arm, before groove 60 and pit 61, as shown in Figure 4, a pair of upper support bar is installed in respectively on the curtain lifting arm in former and later two grooves, upper support bar can be around axis rotation, the other end of a pair of upper support bar intersects, and a pair of lower support bar one end is fixed on the lower support bar base 12, as shown in Figure 2 by former and later two free bearings 35, can rotate around free bearing, the other end of a pair of lower support bar intersects, and at the other end of upper support bar upper joint is housed respectively, at the other end of lower support bar hypozygal is housed respectively, upper joint is connected by coupling shaft with hypozygal, the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar, and an end of support bar spring is fixed on the lower support bar, and cable wire of another termination is fixed on the upper support bar, make spring produce a pretension during installation, make lower support bar be in open configuration all the time, pair of support rods assembly combined crosswise is installed between curtain lifting arm and the housing, and the design of intersection can make the height of rise can be greater than the length of base, upper support bar is provided with a chute, sliding connector is installed in the chute of upper support bar, and a pair of upper support bar infall connects by sliding connector, as shown in Figure 2.
As accompanying drawing 3, shown in the accompanying drawing 4, the other end of a pair of upper support bar 3 intersects, the other end of a pair of lower support bar 8 intersects, last, the other end of lower support bar is equipped with upper joint 4 and hypozygal 5 respectively, upper joint is connected by coupling shaft 16 with hypozygal, one end of support bar spring 7 is fixed on the lower support bar, cable wire 6 of another termination is fixed on the upper support bar, about each pair of support rods assembly combined crosswise be installed between curtain lifting arm and the housing, upper support bar is provided with a chute, sliding connector 17 is installed in the chute of upper support bar, and a pair of upper support bar infall connects by sliding connector.Sliding connector is an I shape, and respectively in the chute at upper support bar, chute cooperates with sliding connector at the sliding connector two ends.
As shown in Figure 5, lower support bar one end is fixed on the lower support bar base 12 by former and later two free bearings, tube 13 and motor 14 are installed on the housing, handle 15 is installed on the housing, the bottom of handle is provided with a boss, boss can be concordant with housing bottom after handle is set level, and the effect of feet is played in the bottom of handle 15.
As shown in Figure 6, the utility model has a space on the left part of housing, the end of housing is provided with a pushing cover 20, pushing cover is covered on the end space of housing, end cap is provided with turning axle 19, left socle 18 is provided with the hole, turning axle on the end cap cooperates with hole on the left socle, left socle is provided with a push button 22, push button spring 21 withstands on the push button, and boss 40 is arranged on push button, and the position 41 of engaging is arranged on pushing cover, boss cooperates and engages mutually on the position that engages on the pushing cover and the push button, can place power lead and telepilot in the space on the end of housing.
As shown in Figure 7, Electric Machine Control circulation hand push button 26 of the present utility model is arranged on the housing, and the Electric Machine Control button is connected on the main circuit board, and main circuit board 27 is provided with infrared receiver.Infrared receiver is connected with the Electric Machine Control button, and the wiring board 30 that infrared receiving terminal is housed is fixed on the left socle, and housing has a window 36 to be used to receive infrared signal.External remote control is set receives infrared remote-control device 24 and external remote control reception jack 25, on housing protecgulum 29, have a window 36 to be used to receive infrared signal.Multi-functional box 23 is fixed on the left socle, and multi-functional lid 28 covers multi-functional box.Because in some occasion, the protecgulum receive window may be blocked or remote control to occur malfunctioning, receives infrared remote-control device and circulation hand push button so be provided with external remote control on device, has enlarged the scope of application thus.
As shown in Figure 8, the utility model curtain 11 is fixedly mounted on the curtain lifting arm 2, the curtain lifting arm is provided with loam cake 1, and the curtain lifting arm is provided with locating shaft 35, and locating shaft connects loam cake, spring 36 is installed on locating shaft, flexibly connect owing to the effect of locating shaft and spring produces between loam cake and the curtain lifting arm, loam cake is provided with magnet 37, and corresponding curtain lifting arm is provided with magnet, magnet interacts, and keeps locating between loam cake and the curtain lifting arm.In use, when reclaiming curtain, the driven by motor tube rotates.Because of curtain is wound on the tube, curtain will spur the curtain lifting arm and loam cake moves downward, and loam cake covers on housing, because the effect of locating shaft and spring, make between loam cake and the housing and will produce and flexibly connect, and can prevent from that operating personnel from pointing to be clamped.
As shown in Figure 9, the effect of the utility model motor provides needed power when being to reclaim curtain, is made up of motor 14, tube 13, adapter sleeve 32, motor locating piece 31, tube plug 33.The power of motor is transferred to tube coiling curtain 11 by adapter sleeve, and tube plug axle core is positioned the pilot hole of right support 34, and motor locating piece square toes are positioned the pilot hole of left socle 18, thereby the assurance electric machine assembly turns round steadily and is horizontal.
In use, when reclaiming curtain, the driven by motor tube rotates.Because of curtain is wound on the tube, curtain will spur the curtain lifting arm and loam cake moves downward, the power that the driving force of motor will impel support bar to overcome the support bar spring folds until regaining whole screen, and make loam cake become to seal state with housing, when needs during with the screen pull-up, motor oppositely changes and revolves, and screen will be in release conditions, support bar will be under the effect of support bar spring jack-up curtain lifting arm, and the pulling curtain moves up to the working depth of setting.
Claims (10)
1, the electronic seat ground lifting of a kind of portable type projection screen, it is by loam cake, curtain lifting arm, upper support bar, upper joint, hypozygal, wire rope, support bar spring, lower support bar, feet, housing, curtain, free bearing, tube, motor, handle is formed, left socle and the right support that is used for fixing motor is installed at housing, motor connects tube, and curtain is wound on the tube, and the curtain lifting arm is provided with loam cake, curtain is fixedly mounted on the curtain lifting arm, it is characterized in that upper support bar one end is fixed in the curtain lifting arm, lower support bar one end is fixed on the lower support bar base by free bearing, and an end of support bar spring is fixed on the lower support bar, cable wire of another termination is fixed on the upper support bar, upper support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, and lower support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, and the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar.
2, the electronic seat ground lifting of portable type according to claim 1 projection screen is characterized in that upper support bar is provided with a chute, and sliding connector is installed in the chute of upper support bar, and left and right sides upper support bar infall connects by sliding connector.
3, the electronic seat ground lifting of portable type according to claim 1 projection screen, it is characterized in that former and later two grooves are arranged on the curtain lifting arm, a pair of upper support bar is installed in respectively on the curtain lifting arm in former and later two grooves, and a pair of lower support bar one end is fixed on the lower support bar base by former and later two free bearings.
4, the electronic seat ground lifting of portable type according to claim 2 projection screen is characterized in that sliding connector is an I shape, at the sliding connector two ends respectively in the chute at upper support bar.
5, the electronic seat ground lifting of a kind of portable type projection screen, it is by loam cake, the curtain lifting arm, upper support bar, upper joint, hypozygal, wire rope, the support bar spring, lower support bar, feet, housing, curtain, free bearing, tube, motor, handle is formed, and left socle and the right support that is used for fixing motor is installed at housing, motor connects tube, curtain is wound on the tube, and the curtain lifting arm is provided with loam cake, and curtain is fixedly mounted on the curtain lifting arm, it is characterized in that upper support bar one end is fixed in the curtain lifting arm, lower support bar one end is fixed on the lower support bar base by free bearing, and an end of support bar spring is fixed on the lower support bar, and cable wire of another termination is fixed on the upper support bar, upper support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, lower support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, and the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar, and the curtain lifting arm is provided with locating shaft, locating shaft connects loam cake, and spring is installed on locating shaft.
6, the electronic seat ground lifting of portable type according to claim 5 projection screen is characterized in that loam cake is provided with magnet, and corresponding curtain lifting arm is provided with magnet.
7, the electronic seat ground lifting of a kind of portable type projection screen, it is by loam cake, the curtain lifting arm, upper support bar, upper joint, hypozygal, wire rope, the support bar spring, lower support bar, feet, housing, curtain, free bearing, tube, motor, handle is formed, at housing left socle and the right support that is used for fixing motor is installed, motor connects tube, and curtain is wound on the tube, the curtain lifting arm is provided with loam cake, curtain is fixedly mounted on the curtain lifting arm, it is characterized in that upper support bar one end is fixed in the curtain lifting arm, and lower support bar one end is fixed on the lower support bar base by free bearing, one end of support bar spring is fixed on the lower support bar, cable wire of another termination is fixed on the upper support bar, and upper support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, and lower support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar, the end of housing is provided with a pushing cover, and left socle is provided with a push button, and the push button spring withstands on the push button, boss is arranged on push button, boss cooperates and engages mutually on the position that engaging is arranged on pushing cover, the position that engages on the pushing cover and push button, and a space is arranged on the end of housing, pushing cover is provided with turning axle, and left socle is provided with the hole.
8, the electronic seat ground lifting of a kind of portable type projection screen, it is by loam cake, the curtain lifting arm, upper support bar, upper joint, hypozygal, wire rope, the support bar spring, lower support bar, feet, housing, curtain, free bearing, tube, motor, handle is formed, and left socle and the right support that is used for fixing motor is installed at housing, motor connects tube, curtain is wound on the tube, and the curtain lifting arm is provided with loam cake, and curtain is fixedly mounted on the curtain lifting arm, it is characterized in that upper support bar one end is fixed in the curtain lifting arm, lower support bar one end is fixed on the lower support bar base by free bearing, and an end of support bar spring is fixed on the lower support bar, and cable wire of another termination is fixed on the upper support bar, upper support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, lower support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, and the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar, and the Electric Machine Control button is arranged on the housing, the Electric Machine Control button is connected on the main circuit board, and main circuit board is provided with infrared receiver.
9, the electronic seat ground lifting of portable type according to claim 8 projection screen is characterized in that the wiring board that infrared receiving terminal is housed is fixed on the left socle, has one at housing and is used to receive the infrared signal window, and infrared receiver is connected with the Electric Machine Control button.
10, the electronic seat ground lifting of a kind of portable type projection screen, it is by loam cake, the curtain lifting arm, upper support bar, upper joint, hypozygal, wire rope, the support bar spring, lower support bar, feet, housing, curtain, free bearing, tube, motor, handle is formed, and at housing left socle and the right support that is used for fixing motor is installed, and motor connects tube, curtain is wound on the tube, the curtain lifting arm is provided with loam cake, and curtain is fixedly mounted on the curtain lifting arm, it is characterized in that upper support bar one end is fixed in the curtain lifting arm, lower support bar one end is fixed on the lower support bar base by free bearing, one end of support bar spring is fixed on the lower support bar, and cable wire of another termination is fixed on the upper support bar, and upper support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, lower support bar pair of right and left combined crosswise is installed between curtain lifting arm and the housing, the intersection end of a pair of upper support bar is connected with hypozygal by upper joint with the end that intersects of a pair of lower support bar, and handle is installed on the housing, and the bottom of handle is provided with a boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620154356 CN200983069Y (en) | 2006-11-30 | 2006-11-30 | Elevating projection screen with portable electromotive base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620154356 CN200983069Y (en) | 2006-11-30 | 2006-11-30 | Elevating projection screen with portable electromotive base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200983069Y true CN200983069Y (en) | 2007-11-28 |
Family
ID=38910224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620154356 Expired - Lifetime CN200983069Y (en) | 2006-11-30 | 2006-11-30 | Elevating projection screen with portable electromotive base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200983069Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI578290B (en) * | 2015-06-19 | 2017-04-11 | 樂金顯示科技股份有限公司 | Flexible display apparatus |
| CN110007553A (en) * | 2019-04-01 | 2019-07-12 | 深圳市火乐科技发展有限公司 | A kind of curtain and optical projection system |
| CN110780529A (en) * | 2019-09-25 | 2020-02-11 | 深圳市火乐科技发展有限公司 | Projection screen and projection equipment |
| CN114185241A (en) * | 2022-02-17 | 2022-03-15 | 四川楠水农牧科技有限公司 | Agricultural farming propaganda is with portable data projection display device |
| CN115035826A (en) * | 2022-06-07 | 2022-09-09 | 上海边光实业有限公司 | Online modularized multifunctional display device |
-
2006
- 2006-11-30 CN CN 200620154356 patent/CN200983069Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI578290B (en) * | 2015-06-19 | 2017-04-11 | 樂金顯示科技股份有限公司 | Flexible display apparatus |
| US9756757B2 (en) | 2015-06-19 | 2017-09-05 | Lg Display Co., Ltd. | Flexible display apparatus |
| CN110007553A (en) * | 2019-04-01 | 2019-07-12 | 深圳市火乐科技发展有限公司 | A kind of curtain and optical projection system |
| CN110780529A (en) * | 2019-09-25 | 2020-02-11 | 深圳市火乐科技发展有限公司 | Projection screen and projection equipment |
| CN110780529B (en) * | 2019-09-25 | 2021-10-19 | 深圳市火乐科技发展有限公司 | Projection screen and projection equipment |
| CN114185241A (en) * | 2022-02-17 | 2022-03-15 | 四川楠水农牧科技有限公司 | Agricultural farming propaganda is with portable data projection display device |
| CN115035826A (en) * | 2022-06-07 | 2022-09-09 | 上海边光实业有限公司 | Online modularized multifunctional display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071128 |
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| EXPY | Termination of patent right or utility model |