WO2014131221A1 - Projection-type touch control electronic whiteboard and frame structure thereof - Google Patents
Projection-type touch control electronic whiteboard and frame structure thereof Download PDFInfo
- Publication number
- WO2014131221A1 WO2014131221A1 PCT/CN2013/073781 CN2013073781W WO2014131221A1 WO 2014131221 A1 WO2014131221 A1 WO 2014131221A1 CN 2013073781 W CN2013073781 W CN 2013073781W WO 2014131221 A1 WO2014131221 A1 WO 2014131221A1
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- WO
- WIPO (PCT)
- Prior art keywords
- frame
- electronic whiteboard
- sensor
- projection type
- circuit board
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
Definitions
- the present invention relates to the field of electronic whiteboard technology, and in particular to a frame structure of a projection type touch electronic whiteboard and a projection type touch electronic whiteboard.
- infrared sensing technology is often used to provide touch positioning for the electronic whiteboard.
- Infrared sensors are generally placed in the border of the electronic whiteboard.
- FIG. 2 it is a transverse cross-sectional view of a conventional electronic whiteboard.
- the electronic whiteboard includes a substrate 1, a frame 2 disposed at four edges of the substrate 1, a sensor assembly 3 disposed in the frame 2, and a filter 4 disposed at an opening at a side of the frame 2.
- the sensor component 3 emits a signal and is filtered by the filter 4 to receive the sensor on the other side of the touch area.
- the sensor assembly 3 includes a circuit board 31, a sensor 32 interposed on the circuit board 31, and a circuit chip 33 that drives the sensor 32.
- the pins of the sensor 32 in the sensor assembly 3 are perpendicular to the main body of the sensor, that is, the main portion of the sensor 32 is placed on the circuit board 31, so that the entire circuit board 31 needs to be Placed on the edge of the substrate 1 in parallel with the substrate 1, so that the frame of the entire electronic whiteboard is too wide to form a narrow bezel design.
- a projection type electronic whiteboard is also provided.
- a frame structure of a projection type electronic whiteboard configured to be disposed at an edge of a display area of the electronic whiteboard, comprising a frame, a sensor component disposed in the frame, and a filter disposed at an opening of the side of the frame, a side opening of the bezel extends along an edge of the electronic whiteboard, a sensor of the sensor assembly is vertically arranged on a circuit board of the sensor assembly, and the circuit board extends along an edge of the display area, the vertical row of sensors Touch positioning is provided through the filter.
- the frame is generally cylindrical and has an L-shaped accommodating cavity for accommodating the sensor assembly, and the circuit board and the sensor of the sensor component are juxtaposed perpendicularly to each other. In the accommodating cavity of the L-shaped cross section.
- a pallet is further included, the circuit board being secured to the pallet and movably received within the bezel with the pallet.
- a frame connection structure disposed on the frame and opposite to the opening provided with the filter is further included, and the plurality of frames can be connected to each other through the frame connection structure.
- the bezel connection structure is a frame that mates with the angle iron.
- a projection type electronic whiteboard includes a touch panel and a frame structure disposed on four edges of the touch panel, the frame structure includes a frame, a sensor component disposed in the frame, and a side of the frame a filter at the opening, the side opening of the frame extends along an edge of the touch panel, the sensor of the sensor assembly is vertically arranged on the circuit board of the light source assembly, and the circuit board is along the touch panel The edge extends, and the vertical row of sensors provides touch positioning through the filter.
- the frame is generally cylindrical and has an L-shaped receiving cavity for accommodating the light source assembly, and the circuit board and the sensor of the light source assembly are juxtaposed perpendicularly to each other. In the accommodating cavity of the L-shaped cross section.
- a pallet is further included, the circuit board being secured to the pallet and movably received within the bezel with the pallet.
- a frame connection structure disposed on the frame and opposite to the opening provided with the filter is further included, and adjacent frames are connected to each other through the frame connection structure.
- the frame connecting structure comprises a frame that is matched with the angle iron, the adjacent frames are connected by an angle iron, and the adjacent frame connection is fixedly connected with the angle iron and covers the end of the frame. Corner pieces.
- the above-mentioned projection type electronic whiteboard and the frame structure thereof are arranged by vertically arranging the light emitting body of the infrared LED light source and the circuit board, so that the circuit board can be arranged in a direction extending along the edge of the screen, and the display screen can be displayed compared to the conventional setting mode.
- the frame portion is narrowed to facilitate a more aesthetically pleasing display.
- 1 is a schematic diagram of a touch electronic whiteboard for projection
- Figure 2 is a transverse cross-sectional view of a conventional display screen
- 3a and 3b are schematic structural views of the touch component of FIG. 2;
- FIG. 4 is a schematic structural view of a frame of a display screen according to an embodiment
- Figure 5 is a transverse cross-sectional view of the bezel structure of Figure 4.
- FIG. 6 is a schematic structural view of the touch component of FIG. 5;
- Figure 7 is a transverse cross-sectional view of the display screen of an embodiment
- Figure 8 is a schematic view of the corner piece adjacent to the adjacent frame structure
- Figure 9 is a schematic view of the adjacent frame structure at the junction without corner pieces.
- FIG. 4 is a schematic structural view of a frame of a projection type electronic whiteboard according to an embodiment
- FIG. 5 is a transverse cross-sectional view of the frame structure shown in FIG. 4. 4 and 5,
- the bezel structure 10 includes a bezel 100, a sensor assembly 200 disposed within the bezel 100, and a filter 300 disposed at a side opening of the bezel 100 (refer to FIG. 5).
- the frame 100 has a columnar shape as a whole and has an L-shaped receiving cavity. An opening extending along an edge of the screen of the electronic whiteboard is opened at a side of the frame 100, and the filter 300 is disposed at the opening.
- sensor assembly 200 includes a sensor 210 and a circuit board 220.
- a transmitting sensor and a receiving sensor are correspondingly disposed in the bezel structure 10 disposed on the opposite edge of the electronic whiteboard.
- the sensor 210 is vertically arranged on the circuit board 220, that is, the pins of the sensor 210 are the same as the sensor axis, such that the sensor 210 and the circuit board 220 are perpendicular to each other.
- the circuit board 220 extends along the edge of the electronic whiteboard, and the plurality of sensors 210 are sequentially arranged along the extending direction, and the transmitting or receiving direction of the sensor signal is directed toward the filter 300, and the light transmitting sheet 300 is provided with the touch positioning.
- the mutually perpendicular sensor 210 and the circuit board 220 are housed in the above-described accommodating cavity having an L-shaped cross section.
- the frame structure 10 of the embodiment further includes a tray 400 .
- the circuit 220 is secured to the pallet 400 and is movably received within the bezel 100 with the pallet 400.
- the sensor assembly 200 can move integrally with the tray 400 in the accommodating cavity of the frame 100.
- the tray 400 is pulled from one end of the frame 100, and the sensor can be used.
- the assembly 200 is taken out as a whole. Therefore, it can be easily maintained.
- the frame structure 10 of the embodiment further includes a frame connection structure 500 disposed on the frame 100 .
- the bezel connection structure 500 is opposite to the opening provided with the filter 300.
- Adjacent bezels 100 may be interconnected by a bezel connection structure 500 to form a compact frame as a whole.
- the bezel connection structure 500 is a frame that cooperates with the angle iron.
- the circuit board 210 can be disposed in a direction extending along the edge of the electronic whiteboard.
- the frame portion of the electronic whiteboard can be changed. Narrow, easy to design a more beautiful electronic whiteboard.
- the sensor assembly 200 as a whole can move in and out of the accommodating cavity of the frame 100 with the pallet 400, so that maintenance can be performed in the event of a sensor failure.
- the pallet 400 and the frame connecting structure 500 are increased or decreased according to requirements such as cost or convenience, and the specific structure is not limited to the structure of the above embodiment.
- FIG. 7 it is a transverse cross-sectional view of an electronic whiteboard according to an embodiment.
- the electronic whiteboard includes a touch panel 20 and a bezel structure 10 (the frame structure in which only two edges are shown in FIG. 7) provided in the four edges of the touch panel 20.
- the bezel structure 10 is joined adjacent by corner members 30.
- the corner structure 10 is disposed adjacent to the frame structure 10, and the frame connection structure 500 of the adjacent frame 10 is connected by the angle iron 40, and the corner piece 30 is fixedly connected with the angle iron 40 and covers the adjacent end of the frame 10. unit.
- the light source assembly 200 fails, it is only necessary to disassemble the corner piece 30, and then the entire light source assembly 200 is pulled out through the pallet 400 to be easily repaired.
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
Abstract
Description
Claims (10)
- 一种投影式电子白板的边框结构,用于设置在电子白板的显示区域的边缘处,包括边框、设置在所述边框内的传感器组件和设于所述边框侧边开口处的滤光片,所述边框的侧边开口沿电子白板的边缘延伸,其特征在于,所述传感器组件的传感器竖排在所述传感器组件的电路板上,且所述电路板沿显示区域的边缘延伸,所述竖排的传感器透过所述滤光片提供触控定位。A frame structure of a projection type electronic whiteboard, configured to be disposed at an edge of a display area of the electronic whiteboard, comprising a frame, a sensor component disposed in the frame, and a filter disposed at an opening of the side of the frame, a side opening of the bezel extending along an edge of the electronic whiteboard, wherein a sensor of the sensor assembly is vertically arranged on a circuit board of the sensor assembly, and the circuit board extends along an edge of the display area, A vertical array of sensors provides touch positioning through the filter.
- 根据权利要求1所述的投影式电子白板的边框结构,其特征在于,所述边框整体为条柱状,并具有截面为L型的容置腔,用于容置所述传感器组件,所述传感器组件的电路板和传感器相互垂直地设置并置于所述截面为L型的容置腔中。The frame structure of the projection type electronic whiteboard according to claim 1, wherein the frame is entirely in the shape of a bar and has an L-shaped accommodating cavity for accommodating the sensor assembly, the sensor The circuit board and the sensor of the assembly are disposed perpendicular to each other and placed in the L-shaped receiving cavity.
- 根据权利要求1所述的投影式电子白板的边框结构,其特征在于,还包括托板,所述电路板固定在所述托板上,并与托板一起活动地容置于所述边框内。The frame structure of the projection type electronic whiteboard according to claim 1, further comprising a tray, the circuit board being fixed on the pallet and movably housed in the frame together with the pallet .
- 根据权利要求1所述的投影式电子白板的边框结构,其特征在于,还包括设于所述边框上且与设有滤光片的开口相对的边框连接结构,多个边框可通过所述边框连接结构相互连接。The frame structure of the projection type electronic whiteboard according to claim 1, further comprising a frame connecting structure disposed on the frame and opposite to the opening provided with the filter, wherein the plurality of frames pass through the frame The connection structures are connected to each other.
- 根据权利要求4所述的投影式电子白板的边框结构,其特征在于,所述边框连接结构为与角铁配合的框架。The frame structure of the projection type electronic whiteboard according to claim 4, wherein the frame connection structure is a frame that cooperates with the angle iron.
- 一种投影式电子白板,包括触控板和设于所述触控板四个边缘的边框结构,所述边框结构包括边框、设置在所述边框内的传感器组件和设于所述边框侧边开口处的滤光片,所述边框的侧边开口沿触控板的边缘延伸,其特征在于,所述传感器组件的传感器竖排在所述光源组件的电路板上,且所述电路板沿触控板的边缘延伸,所述竖排的传感器透过所述滤光片提供触控定位。A projection type electronic whiteboard includes a touch panel and a frame structure disposed on four edges of the touch panel, the frame structure includes a frame, a sensor component disposed in the frame, and a side of the frame a filter at the opening, the side opening of the frame extending along an edge of the touch panel, wherein the sensor of the sensor assembly is vertically arranged on a circuit board of the light source assembly, and the circuit board is along The edge of the touchpad extends, and the vertical row of sensors provides touch positioning through the filter.
- 根据权利要求6所述的投影式电子白板,其特征在于,所述边框整体为条柱状,并具有截面为L型的容置腔,用于容置所述光源组件,所述光源组件的电路板和传感器相互垂直地设置并置于所述截面为L型的容置腔中。The projection type electronic whiteboard according to claim 6, wherein the frame is entirely in the shape of a bar and has an L-shaped accommodating cavity for accommodating the light source assembly, the circuit of the light source assembly. The plate and the sensor are disposed perpendicular to each other and placed in the L-shaped receiving cavity.
- 根据权利要求6所述的投影式电子白板,其特征在于,还包括托板,所述电路板固定在所述托板上,并与托板一起活动地容置于所述边框内。The projection type electronic whiteboard according to claim 6, further comprising a pallet fixed to the pallet and movably housed in the bezel together with the pallet.
- 根据权利要求6所述的投影式电子白板,其特征在于,还包括设于所述边框上且与设有滤光片的开口相对的边框连接结构,相邻的边框通过所述边框连接结构相互连接。The projection type electronic whiteboard according to claim 6, further comprising a frame connecting structure disposed on the frame and opposite to the opening provided with the filter, wherein the adjacent frames are connected to each other through the frame connecting structure connection.
- 根据权利要求9所述的投影式电子白板,其特征在于,所述边框连接结构包括为与角铁配合的框架,相邻边框通过角铁连接,且相邻的边框连接处设有与所述角铁固定连接且覆盖边框端部的角件。The projection type electronic whiteboard according to claim 9, wherein the frame connecting structure comprises a frame that is matched with the angle iron, the adjacent frames are connected by an angle iron, and the adjacent frame connection is provided with the The angle iron is fixedly attached and covers the corner piece at the end of the bezel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2013100666639A CN103123556A (en) | 2013-03-01 | 2013-03-01 | Projection type touch-control electronic whiteboard and frame structure thereof |
CN201310066663.9 | 2013-03-01 |
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WO2014131221A1 true WO2014131221A1 (en) | 2014-09-04 |
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PCT/CN2013/073781 WO2014131221A1 (en) | 2013-03-01 | 2013-04-07 | Projection-type touch control electronic whiteboard and frame structure thereof |
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WO (1) | WO2014131221A1 (en) |
Cited By (7)
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US11256371B2 (en) | 2017-09-01 | 2022-02-22 | Flatfrog Laboratories Ab | Optical component |
US11281338B2 (en) | 2017-03-28 | 2022-03-22 | Flatfrog Laboratories Ab | Touch sensing apparatus and method for assembly |
US11281335B2 (en) | 2016-12-07 | 2022-03-22 | Flatfrog Laboratories Ab | Touch device |
US11567610B2 (en) | 2018-03-05 | 2023-01-31 | Flatfrog Laboratories Ab | Detection line broadening |
US11740741B2 (en) | 2017-02-06 | 2023-08-29 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems |
US11893189B2 (en) | 2020-02-10 | 2024-02-06 | Flatfrog Laboratories Ab | Touch-sensing apparatus |
US11943563B2 (en) | 2019-01-25 | 2024-03-26 | FlatFrog Laboratories, AB | Videoconferencing terminal and method of operating the same |
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US11740741B2 (en) | 2017-02-06 | 2023-08-29 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems |
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