CN104750319B - The border structure of front-detaching type electronic whiteboard - Google Patents
The border structure of front-detaching type electronic whiteboard Download PDFInfo
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- CN104750319B CN104750319B CN201310754667.6A CN201310754667A CN104750319B CN 104750319 B CN104750319 B CN 104750319B CN 201310754667 A CN201310754667 A CN 201310754667A CN 104750319 B CN104750319 B CN 104750319B
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- cell body
- card article
- lower casing
- optical filtering
- upper lid
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Abstract
The border structure of front-detaching type electronic whiteboard fixes optical filtering bar using the first card article cell body activity relative with the holding groove of lower casing of upper lid.Optical filtering bar can be with respect to the first card article cell body and holding groove parallel sliding.Meanwhile the locking part of upper lid and the fixed part activity of lower casing connect and fix.During dismounting, fixed part is pulled away from fixed part upper lid can just to separate with lower casing using external force.Lower casing and the edge of viewing area are fixed by the activity of the second card article cell body, and the second card article cell body can slide with respect to the sides aligned parallel of viewing area.Thus in maintenance process, make optical filtering bar along the first card article cell body and holding groove parallel sliding, it becomes possible to optical filtering bar is removed, then pulled open locking part using external force, makes it away from fixed part, so that upper lid separates with lower casing.And then fluorescent tube and printed circuit board (PCB) can be overhauled, avoid and remove whole electronic whiteboard, maintenance process is become simple and easy to operate.
Description
Technical field
The present invention relates to electronic whiteboard technology field, more particularly to a kind of front-detaching type electronic whiteboard of movable dismounting
Border structure.
Background technology
In electronic whiteboard technology field, especially with the electronic blank of Projection Display, more using infrared sensing
Technology provides touch-control positioning for electronic whiteboard.Infrared sensor is typically all disposed within the frame of electronic whiteboard.Electronic whiteboard bag
Substrate is included, the frame at four edges of substrate is arranged on, is arranged on printed circuit board (PCB) in frame, fluorescent tube and is arranged on frame side and open
Optical filtering bar at mouthful.Wherein fluorescent tube launch after signal and filtered striation filter be touch area opposite side signal receiver
Receive.In traditional electronic whiteboard, fluorescent tube, printed circuit board (PCB) and optical filtering bar are affixed in frame.When fluorescent tube or optical filtering
When bar occurs abnormal, electronic whiteboard is overhauled, whole electronic whiteboard need to be removed, and then opposite side frame inner member is examined
Repair, so not only maintenance process is complicated, and returns the maintenance difficulty for adding staff.
The content of the invention
Based on this, it is necessary to provide a kind of border structure of the front-detaching type electronic whiteboard of easy, movable dismounting.
A kind of border structure of front-detaching type electronic whiteboard, the edge of the viewing area for being arranged on electronic whiteboard, bag
Printed circuit board (PCB), the fluorescent tube being fixed on the printed circuit board (PCB), the optical filtering bar for being arranged on the fluorescent tube exiting surface are included, in addition to
Upper lid and lower casing；
The upper lid and the lower casing cooperatively form cavity, and the cavity is used to house the fluorescent tube and the printed circuit
Plate；The upper lid includes locking part and is provided with the first card article cell body；The lower casing include fixed part and provided with the second card article cell body,
Holding groove and the groove that is spirally connected；
The first card article cell body is used for the one end for housing the optical filtering bar, and one end of the optical filtering bar slips into described first
In card article cell body；The holding groove is used to house one end that the optical filtering bar deviates from the upper lid, and the optical filtering bar is away from described
One end of upper lid is slipped into the holding groove；The length direction of the first card article cell body and the holding groove along the optical filtering bar
Extension；The second card article cell body is used for the edge for housing viewing area, and the edge of the viewing area slips into second card
In bar groove body；Edge length direction extension of the second card article cell body along the viewing area；Groove and the print of being spirally connected
The middle position of printed circuit board is spirally connected；The locking part coordinates with the fixed part to be fixed, and the locking part is snapped in described solid
Determine in portion, the upper lid is fixedly connected with the lower casing.
In one of the embodiments, the upper lid is substantially l-shaped, and the long side of the upper lid sets the first card article groove
Body, the short side of the upper lid set the locking part；The shape of the first card article cell body and the one end fits of the optical filtering bar,
One end of the optical filtering bar can relatively described first card article cell body parallel sliding；The locking part is conformed with, the projection card
It is buckled on the fixed part, the upper lid is relatively fixed with the lower casing.
In one of the embodiments, the lower casing is additionally provided with side neck, and the printed circuit board (PCB) is away from the optical filtering
One end of bar is connected together with the side neck；The side neck prolongs along the printed circuit board edge length direction
Stretch.
In one of the embodiments, short side direction of the lower casing along the side neck extends and bent at right angles.
In one of the embodiments, the holding groove is located at the side of the second card article cell body；The holding groove with
The optical filtering bar supports connection away from one end of the first card article cell body, and the optical filtering bar is away from the first card article cell body
One end can relatively described holding groove parallel sliding.
In one of the embodiments, the lower casing is provided with multiple grooves that are spirally connected, and the groove that is spirally connected passes through screw and the print
Printed circuit board is spirally connected, and fixes the relatively described lower casing of the printed circuit board (PCB).
In one of the embodiments, the groove that is spirally connected is uniformly distributed in the lower casing and is relatively fixed the printed circuit board (PCB)
Part.
In one of the embodiments, the lower casing is provided with holding section, the holding section away from the one side of the groove that is spirally connected
For the lower casing to be fixed on into support.
In one of the embodiments, the first card article cell body and the locking part are integrally formed.
In one of the embodiments, the second card article cell body, the holding groove, groove and the fixed part of being spirally connected
It is integrally formed.
The border structure of above-mentioned front-detaching type electronic whiteboard is relative with the holding groove of lower casing using the first card article cell body of upper lid
The fixed optical filtering bar of activity.Optical filtering bar can be with respect to the first card article cell body and holding groove parallel sliding.Meanwhile the locking part of upper lid with
The fixed part activity of lower casing connects and fixes.During dismounting, fixed part is pulled just to make Shang Gai with away from fixed part using external force
Shell separates.Lower casing and the edge of viewing area are fixed by the activity of the second card article cell body, and the second card article cell body being capable of relative display
The sides aligned parallel in region slides.Thus in maintenance process, make optical filtering bar along the first card article cell body and holding groove parallel sliding, just
Optical filtering bar can be removed, then locking part is pulled open using external force, makes it away from fixed part, so that upper lid and lower casing point
Open.And then fluorescent tube and printed circuit board (PCB) can be overhauled, avoid and remove whole electronic whiteboard, the letter for becoming maintenance process
Easy operation.
Brief description of the drawings
Fig. 1 is one of border structure schematic diagram of front-detaching type electronic whiteboard；
Fig. 2 is one of border structure schematic diagram of front-detaching type electronic whiteboard；
Fig. 3 is one of border structure schematic diagram of front-detaching type electronic whiteboard；
Fig. 4 is the explosive view of the border structure of front-detaching type electronic whiteboard；
Fig. 5 is one of application schematic diagram of border structure of front-detaching type electronic whiteboard；
Fig. 6 is one of application schematic diagram of border structure of front-detaching type electronic whiteboard；
Fig. 7 is one of application schematic diagram of border structure of front-detaching type electronic whiteboard.
Embodiment
A kind of border structure of front-detaching type electronic whiteboard, the edge of the viewing area for being arranged on electronic whiteboard, bag
Printed circuit board (PCB), the fluorescent tube being fixed on the printed circuit, the optical filtering bar for being arranged on the fluorescent tube exiting surface are included, in addition to it is upper
Lid and lower casing.Upper lid and lower casing cooperatively form cavity, and cavity is used to house fluorescent tube and printed circuit board (PCB)；Upper lid includes locking part simultaneously
Provided with the first card article cell body；Lower casing includes fixed part and is provided with the second card article cell body, holding groove and the groove that is spirally connected.First card article cell body
For housing one end of optical filtering bar, one end of optical filtering bar is slipped into the first card article cell body；Holding groove deviates from for housing optical filtering bar
One end of upper lid, optical filtering bar are slipped into holding groove away from one end of upper lid；The length of first card article cell body and holding groove along optical filtering bar
Spend direction extension；Second card article cell body is used for the edge for housing viewing area, and the edge of viewing area slips into the second card article cell body
It is interior；Edge length direction extension of the second card article cell body along viewing area；The be spirally connected middle position of groove and printed circuit board (PCB) is spirally connected；
Locking part coordinates with fixed part to be fixed, and locking part is snapped on the fixed part, lid is fixedly connected with lower casing.
Use the fixed optical filtering bar of the first card article cell body of upper lid activity relative with the holding groove of lower casing.Optical filtering bar can be relative
First card article cell body and holding groove parallel sliding.Meanwhile the locking part of upper lid and the fixed part activity of lower casing connect and fix.Remove
When, pull fixed part away from fixed part upper lid can just separated with lower casing using external force.Lower casing and the edge of viewing area lead to
Cross the activity of the second card article cell body to fix, the second card article cell body can slide with respect to the sides aligned parallel of viewing area.Thus overhauling
During, make optical filtering bar along the first card article cell body and holding groove parallel sliding, it becomes possible to remove optical filtering bar, then by locking part
Pulled open using external force, make it away from fixed part, so that upper lid separates with lower casing.And then can be to fluorescent tube and printed circuit board (PCB)
Overhauled, avoid and remove whole electronic whiteboard, maintenance process is become simple and easy to operate.
In order that the objects, technical solutions and advantages of the present invention become apparent from, below in conjunction with drawings and Examples, to invent into
Row is further described.
As shown in figure 1, one of border structure schematic diagram for front-detaching type electronic whiteboard.
Incorporated by reference to Fig. 4.
A kind of border structure of front-detaching type electronic whiteboard, the edge of the viewing area for being arranged on electronic whiteboard, bag
Include printed circuit board (PCB) 30, the fluorescent tube 40 being fixed on the printed circuit board (PCB) 30, the optical filtering for being arranged on the exiting surface of fluorescent tube 40
Bar 50, in addition to upper lid 10 and lower casing 20.
The upper lid 10 and the lower casing 20 cooperatively form cavity, and the cavity is used to house the fluorescent tube 40 and the print
Printed circuit board 50；The upper lid 10 includes locking part 102 and is provided with the first card article cell body 101；The lower casing 20 includes fixed part
205 and it is provided with the second card article cell body 202, holding groove 201 and the groove 203 that is spirally connected.
The first card article cell body 101 is used for the one end 501 for housing the optical filtering bar 50, one end of the optical filtering bar 50
501 slip into the first card article cell body 101；The holding groove 201 deviates from the upper lid 10 for housing the optical filtering bar 50
One end 502, the optical filtering bar 50 slipped into the holding groove 201 away from one end 502 of the upper lid 10；First card article
The length direction extension of cell body 101 and the holding groove 201 along the optical filtering bar 50；The second card article cell body 202 is used to receive
Hold the edge of viewing area, the edge of the viewing area is slipped into the second card article cell body 202；The second card article cell body
202 extend along the edge length direction of the viewing area；The middle position of the be spirally connected groove 203 and the printed circuit board (PCB) 30
It is spirally connected；The locking part 102 coordinates with the fixed part 205 to be fixed, and the locking part 102 is snapped on the fixed part 205,
The upper lid 10 is set to be fixedly connected with the lower casing 20.
Upper lid 10 is substantially l-shaped, and the long side of the upper lid 10 sets the first card article cell body 101, the upper lid 10
Short side sets the locking part 102；The shape of the first card article cell body 101 and one end 501 of the optical filtering bar 50 coordinate, institute
The one end 501 for stating optical filtering bar 50 can the relatively described parallel sliding of first card article cell body 101；The locking part 102 is conformed with, institute
Protrusion snaps are stated on the fixed part 205, the upper lid 10 is relatively fixed with the lower casing 20.
Lower casing 20 is additionally provided with side neck 204, the one end of the printed circuit board (PCB) 30 away from the optical filtering bar 50 with it is described
Side neck 204 is connected together；The side neck 204 upwardly extends along the edge length side of printed circuit board (PCB) 30.
Short side direction of the lower casing 20 along the side neck 204 extends and bent at right angles.
Holding groove 201 is located at the side of the second card article cell body 202；The holding groove 201 is carried on the back with the optical filtering bar 50
One end 502 from the first card article cell body 101 supports connection, and the optical filtering bar 50 is away from the first card article cell body 101
One end 502 can the relatively described parallel sliding of holding groove 201.
Lower casing 20 is provided with multiple grooves 203 that are spirally connected, and the groove 203 that is spirally connected passes through screw 31 and the spiral shell of printed circuit board (PCB) 30
Connect, fix the relatively described lower casing 20 of the printed circuit board (PCB) 30.
The groove 203 that is spirally connected is uniformly distributed in the part that the lower casing 10 is relatively fixed the printed circuit board (PCB) 30.
Lower casing 20 is provided with holding section 206 away from the one side of the groove 203 that is spirally connected, and the holding section 206 is under will be described
Shell 20 is fixed on support.
First card article cell body 101 and the locking part 102 are integrally formed.
Second card article cell body 202, the holding groove 201, described it is spirally connected groove 203 and the fixed part 205 is integrally formed.
One end 501 of optical filtering bar 50 and the first card article cell body 101 of upper lid 10 coordinate, i.e. one end 501 of optical filtering bar 50 is slided
It is dynamic to be caught in the first card article cell body 101.Optical filtering bar 50 is away from one end 502 of the first card article cell body 101 and the holding groove of lower casing 20
201 coordinate, i.e., optical filtering bar 50 supports fixation away from one end 502 of the first card article cell body 101 and the holding groove 201 of lower casing 20.Cause
This, optical filtering bar 50 is fixed between lid 10 and lower casing 20.And it is snapped in admittedly by locking part 102 between upper lid 10 and lower casing 20
Determine to fix in portion 205.
Upper lid 10 forms cavity after being relatively fixed with lower casing 20.Fluorescent tube 40 is arranged in cavity with printed circuit board (PCB) 30.Tool
Body, fluorescent tube 30 is arranged on printed circuit board (PCB) 30, and exiting surface is close to optical filtering bar.Printed circuit board (PCB) 30 is by screw 31 with
The groove 203 that is spirally connected of shell 20 is fixedly connected.The one end of printed circuit board (PCB) 30 away from fluorescent tube 30 and the clamping of side neck 204.So that will
Printed circuit board (PCB) 30 is fixed on lower casing.
Second card article cell body 202 of lower casing 20 is used for the edge of activity fixed display area.Specifically, the second card article cell body
202 fix in the edge movable of extruded sheet 60, i.e., length direction of the edge of extruded sheet 60 along the second card article cell body 202 slips into
In two card article cell bodies 202.The edge of extruded sheet 60 and the second card article cell body 202 along its length can parallel slidings.
As shown in figure 5, one of border structure application schematic diagram for front-detaching type electronic whiteboard.
In the present embodiment, two edges of extruded sheet 60 are provided with the border structure of front-detaching type electronic whiteboard.Electronics is white
Plate controls the luminous situation of fluorescent tube 40 by printed circuit 30, and optical filtering bar 50 sends light to fluorescent tube 40 and carries out optical filtering processing.In electricity
When sub- blank needs maintenance, locking part 102 is pulled to make it away from fixed part 205 by external force, so as to make upper lid 10 with
Shell 20 separates.Slided along the length direction of the first card article cell body 101 make one end 501 of optical filtering bar 50 no longer with the first card article cell body
101 engagings, so as to separately upper lid 10 and optical filtering bar 50.Now, fluorescent tube 40 and printed circuit board (PCB) 30 are completely exposed, convenient inspection
Repair personnel to overhaul fluorescent tube 40 and printed circuit board (PCB) 30, whole dismounting process is easy, improves overhaul efficiency, reduces maintenance
Difficulty.
Incorporated by reference to Fig. 2.
In one embodiment, one end 501 of the first card article cell body 101 and optical filtering bar 50 of upper lid 10 supports fixation, under
The holding groove 201 of shell 20 engages with optical filtering bar 50 away from one end 502 of the first card article cell body 101, i.e., optical filtering bar 50 deviates from first
One end 502 of card article cell body 101 is slidably caught in holding groove 201.
As shown in fig. 6, one of border structure application schematic diagram for front-detaching type electronic whiteboard.
In the present embodiment, two edges of extruded sheet 60 are provided with the border structure of front-detaching type electronic whiteboard.Electronics is white
Plate controls the luminous situation of fluorescent tube 40 by printed circuit 30, and optical filtering bar 50 sends light to fluorescent tube 40 and carries out optical filtering processing.In electricity
When sub- blank needs maintenance, locking part 102 is pulled to make it away from fixed part 205 by external force, so as to make upper lid 10 with
Shell 20 separates.Slided along the length direction of the first card article cell body 101 make one end 501 of optical filtering bar 50 no longer with the first card article cell body
101 support, so as to separately upper lid 10 and optical filtering bar 50.Now, fluorescent tube 40 and printed circuit board (PCB) 30 are completely exposed, convenient inspection
Repair personnel to overhaul fluorescent tube 40 and printed circuit board (PCB) 30, whole dismounting process is easy, improves overhaul efficiency, reduces maintenance
Difficulty.
Incorporated by reference to Fig. 3.
In one embodiment, the locking part 102 of upper lid 10 may be configured as engaging protrusion；The fixed part 205 of lower casing 20 is set
For slot, engaging protrusion coordinates with slot makes upper lid 10 be fixed with lower casing 20.Engaging protrusion is caught in slot.
As shown in fig. 7, the border structure application schematic diagram for front-detaching type electronic whiteboard.
In the present embodiment, two edges of extruded sheet 60 are provided with the border structure of front-detaching type electronic whiteboard.Electronics is white
Plate controls the luminous situation of fluorescent tube 40 by printed circuit 30, and optical filtering bar 50 sends light to fluorescent tube 40 and carries out optical filtering processing.In electricity
Sub- blank need maintenance when, by external force pull locking part 102 make it away from fixed part 205, make locking part 102 no longer with fixation
Portion 205 engages, so as to separate upper lid 10 and lower casing 20.Being slided along the length direction of the first card article cell body 101 makes optical filtering
One end 501 of bar 50 no longer supports with the first card article cell body 101, so as to separately upper lid 10 and optical filtering bar 50.Now, fluorescent tube
40 is completely exposed with printed circuit board (PCB) 30, facilitates maintainer to overhaul fluorescent tube 40 and printed circuit board (PCB) 30, whole dismounting
Process is easy, improves overhaul efficiency, reduces maintenance difficulty.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of border structure of front-detaching type electronic whiteboard, the edge of the viewing area for being arranged on electronic whiteboard, including
Printed circuit board (PCB), the fluorescent tube being fixed on the printed circuit board (PCB), the optical filtering bar for being arranged on the fluorescent tube exiting surface, its feature exist
In, in addition to upper lid and lower casing；
The upper lid and the lower casing cooperatively form cavity, and the cavity is used to house the fluorescent tube and the printed circuit board (PCB)；
The upper lid includes locking part and is provided with the first card article cell body；The lower casing includes fixed part and provided with the second card article cell body, support
Hold groove and the groove that is spirally connected；
The first card article cell body is used for the one end for housing the optical filtering bar, and first card article is slipped into one end of the optical filtering bar
In cell body；The holding groove is used to house one end that the optical filtering bar deviates from the upper lid, and the optical filtering bar deviates from the upper lid
One end slip into the holding groove；The length direction of the first card article cell body and the holding groove along the optical filtering bar prolongs
Stretch；The one end fits of the shape of the first card article cell body and the optical filtering bar, one end of the optical filtering article can relatively described the
One card article cell body parallel sliding；The holding groove is supported away from one end of the first card article cell body with the optical filtering bar and is connected,
The optical filtering bar can relatively described holding groove parallel sliding away from one end of the first card article cell body；The second card article cell body
For housing the edge of viewing area, the edge of the viewing area is slipped into the second card article cell body；Second card article
Edge length direction extension of the cell body along the viewing area；The middle position spiral shell of the be spirally connected groove and the printed circuit board (PCB)
Connect；The locking part coordinates with the fixed part to be fixed, and the locking part is snapped on the fixed part, makes the upper lid and institute
Lower casing is stated to be fixedly connected.
2. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the upper lid is substantially in L
Shape, the long side of the upper lid set the first card article cell body, and the short side of the upper lid sets the locking part；The locking part
It is conformed with, the protrusion snaps are relatively fixed with the lower casing on the fixed part, making the upper lid.
3. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the lower casing is additionally provided with side
Checkpost groove, the one end of the printed circuit board (PCB) away from the optical filtering bar are connected together with the side neck；The side neck
Extend along the printed circuit board edge length direction.
4. the border structure of front-detaching type electronic whiteboard according to claim 3, it is characterised in that the lower casing is along the side
The short side direction of checkpost groove extends and bent at right angles.
5. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the holding groove is located at institute
State the side of the second card article cell body.
6. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the lower casing is provided with multiple
Be spirally connected groove, and the groove that is spirally connected is spirally connected by screw and the printed circuit board (PCB), consolidates the relatively described lower casing of the printed circuit board (PCB)
It is fixed.
7. the border structure of front-detaching type electronic whiteboard according to claim 6, it is characterised in that the groove that is spirally connected uniformly divides
It is distributed in the part that the lower casing is relatively fixed the printed circuit board (PCB).
8. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the lower casing is away from described
The one side of groove of being spirally connected is provided with holding section, and the holding section is used to the lower casing being fixed on support.
9. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the first card article cell body
And the locking part is integrally formed.
10. the border structure of front-detaching type electronic whiteboard according to claim 1, it is characterised in that the second card article groove
Body, the holding groove, described it is spirally connected groove and the fixed part is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754667.6A CN104750319B (en) | 2013-12-31 | 2013-12-31 | The border structure of front-detaching type electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754667.6A CN104750319B (en) | 2013-12-31 | 2013-12-31 | The border structure of front-detaching type electronic whiteboard |
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| Publication Number | Publication Date |
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| CN104750319A CN104750319A (en) | 2015-07-01 |
| CN104750319B true CN104750319B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310754667.6A Active CN104750319B (en) | 2013-12-31 | 2013-12-31 | The border structure of front-detaching type electronic whiteboard |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107506096A (en) * | 2017-09-06 | 2017-12-22 | 合肥宗平计算机科技有限公司 | Infrared touch panel framework and its touch-screen |
| CN110986001B (en) * | 2019-11-15 | 2024-02-23 | 湖州佳格电子科技股份有限公司 | Infrared device, fixing device thereof and processing method of infrared device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202887145U (en) * | 2012-09-29 | 2013-04-17 | 杭州华银教育多媒体科技股份有限公司 | Novel touch-screen frame |
| CN203786707U (en) * | 2013-12-31 | 2014-08-20 | 深圳市天时通科技有限公司 | Frame structure of front-disassembly electronic whiteboard |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201654744U (en) * | 2009-12-08 | 2010-11-24 | 张银虎 | Electronic white board with splicing structure |
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- 2013-12-31 CN CN201310754667.6A patent/CN104750319B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202887145U (en) * | 2012-09-29 | 2013-04-17 | 杭州华银教育多媒体科技股份有限公司 | Novel touch-screen frame |
| CN203786707U (en) * | 2013-12-31 | 2014-08-20 | 深圳市天时通科技有限公司 | Frame structure of front-disassembly electronic whiteboard |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park C2 building 14 floor Applicant after: Shenzhen Tian Tong Polytron Technologies Inc. Address before: 518000 cotton tree in Guangdong province Shenzhen Futian Free Trade Zone Road No. 8, Yingdali Technology Digital Park (C301 D) Applicant before: Shenzhen Tianshitong Technology Co.,Ltd. Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park C2 building 14 floor Applicant after: SHENZHEN TIMELINK ECHNOLOGY Co.,Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park C2 building 14 floor Applicant before: Shenzhen Tian Tong Polytron Technologies Inc. |
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Address after: 14 / F, building C2, Nanshan wisdom Park, 1001 Xueyuan Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Tianying United Technology Co.,Ltd. Address before: 14 / F, building C2, Nanshan wisdom Park, 1001 Xueyuan Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN TIMELINK ECHNOLOGY Co.,Ltd. |
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