CN201654734U - Electronic drawing board - Google Patents
Electronic drawing board Download PDFInfo
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- CN201654734U CN201654734U CN2010201523884U CN201020152388U CN201654734U CN 201654734 U CN201654734 U CN 201654734U CN 2010201523884 U CN2010201523884 U CN 2010201523884U CN 201020152388 U CN201020152388 U CN 201020152388U CN 201654734 U CN201654734 U CN 201654734U
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- drawing board
- electronic drawing
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Abstract
The utility model relates to an electronic drawing board which is characterized by comprising a microcontroller, and an input and output module and a drawing module which are respectively connected with the microcontroller. The drawing module is arranged, and a point positioning module and a line drawing module in the module draw and modify lines and geometric figures; a mobile module in the drawing module records and judges the order of singly clicked points so as to determine the rolling direction of a subtitle; because a touch screen body for drawing and displaying images and the input and output module of a plurality of input buttons which supports the inputting are arranged, a convenient man-machine interactive interface is provided; and by developing an ARM 7 inner core with an embedded platform based on mu C/OS-II, the electronic drawing board can be conveniently transplanted to hand-held equipment.
Description
Technical field
The utility model relates to a kind of electronic drawing board, particularly a kind of electronic drawing board based on a embedded development platform based on ARM and μ C/OS-II.
Background technology
Digitizing, with no paper each corner that has been penetrated into current social daily life.For we everyone, what need is not only the sort of computing machine of handling document on the table, carrying out work management and production control of putting.And growing along with embedded system realizes that on small hand held devices operations such as drawing, correction become possibility, and this provides a lot of convenience for the people who begins to learn drawing, can save the use of a large amount of paper and pigment, has saved expense.Yet existing electronic drawing board function singleness, operating habit is also had any different with traditional painting mode, is inconvenient to use.
The utility model content
The purpose of this utility model provides a kind of electronic drawing board, can be applicable to small hand held devices, conveniently paints, basic operation such as correction, and the function of drawing process flow diagram and captions rolling is provided simultaneously.
In order to achieve the above object, the technical solution of the utility model provides a kind of electronic drawing board, it is characterized in that, comprises microcontroller, the input/output module, the graphics module that are connected respectively with microcontroller.
Above-mentioned input/output module comprises the touch-screen body that is used to draw with display image, and the output interface of above-mentioned touch-screen body is provided with drawing area and some control areas; Above-mentioned control area is provided with some touch key-presss, is used for the input of control command.
Above-mentioned input/output module comprises some input buttons, is used for the input of control command.
Above-mentioned graphics module comprises the point location module, is used to be recorded in the coordinate parameters of the click-point on the above-mentioned touch-screen body.
Above-mentioned graphics module also comprises the setting-out module, is used for drawing between above-mentioned some click-point connecting line segment.
Above-mentioned graphics module comprises mobile module, is used to be recorded in the click order of the click-point on the above-mentioned touch-screen body.
Above-mentioned electronic drawing board also comprises memory module, and above-mentioned memory module is connected with above-mentioned microcontroller.
The electronic drawing board that the utility model provides, compared with prior art, its advantage is: the utility model by point location module and setting-out module wherein, is realized lines and geometric drafting, is altered operation owing to be provided with graphics module; Mobile module record by wherein and the sequencing of judging click-point are determined the rotating direction of captions; The utility model provides human-computer interaction interface easily because setting comprises the input/output module that is used to draw some input buttons of assisting with the touch-screen body and the conduct input of display image; The utility model can be transplanted to handheld device easily because use is developed the ARM7 core chip based on the embedded platform of μ C/OS-II.
Description of drawings
Fig. 1 is the general structure synoptic diagram of the electronic drawing board that provides of the utility model.
Embodiment
Below in conjunction with accompanying drawing 1 explanation embodiment of the present utility model.
The electronic drawing board that the utility model provides comprises microcontroller 10, the input/output module 20, graphics module 30, the memory module 40 that are connected respectively with microcontroller 10.
Microcontroller 10 is developed the S3C44BOX chip of transplanting based on the embedded platform of μ C/OS-II, and this chip core is ARM7DTMI.It is that Samsung aims at high performance-price ratio and high performance microcontroller 10 solutions that handheld device provides, and is operated in 66MHz.In order to reduce the system synthesis basis and to reduce peripheral components, the driving interface that is connected with memory module 40, input/output module 20 that this chip is integrated.
Input/output module 20 comprises and is used to draw with the touch-screen body 21 of display image with as the auxiliary some input buttons 22 of input.The output interface of touch-screen body 21 is provided with drawing area and some control areas.First control area comprises the function selecting button that is used to select graphic plotting, flowchart drawing, roll titles drafting.Second control area is provided with some corresponding shape selection keys, is used for drawing as shapes such as circle, straight line, triangle, rectangle, curves.The 3rd control area be provided be used to select that pen is wide, some pen type selection keys of pen type, color.Overall situation control buttons such as the 4th control area also comprises cls, return.
Graphics module 30 comprises point location module 31, setting-out module 32, mobile module 33.When the user has selected graphic plotting and circular touch key-press successively on the touch-screen body 21 after, the point location module 31 of graphics module 30, recording user is in the click action first time of the drawing area of touch-screen body 21, and with this coordinate parameters as the center of circle; When the user clicks for the second time, note equally as the circumferential point coordinate parameters, calculate the radius length between the center of circle and the circumferential point coordinate, transfer setting-out module 32 afterwards and draw at the drawing area of touch-screen body 21 that to click the position with first be the center of circle, first, second spacing of clicking is the circle of radius.
When having selected to draw the touch key-press of straight line, the double click of user is used as the two-end-point of straight line, draws the straight-line segment that connects these two end points by calling line tool.
When having selected to draw leg-of-mutton touch key-press, the point location module 31 of graphics module 30 is with the coordinate parameters of user in continuous three click action of drawing area, be recorded as leg-of-mutton three summits, call line tool and draw the straight-line segment that connects these three summits, finish leg-of-mutton drafting.
When selecting to draw rectangle, point location module 31 is recorded as the coordinate parameters of clicking for the first time, click for the second time the upper left corner and the lower right corner of rectangle successively, by the coordinate parameters on these other summits of cornerwise length computation, draw four straight-line segments that connect the summit with line tool.
Selected the touch key-press of flowchart drawing as the user after, by with the similar process of above-mentioned graphic plotting, draw out the relevant geometric figure of process flow diagram, and in this geometric figure, add literal by some input buttons 22 of input/output module 20, by drawing the arrow that is connected between the geometric figure of process flow diagram, finish flowcharting at last with the similar step of above-mentioned drafting straight line.
The mobile module 33 of graphics module 30 is used to generate roll titles, with the coordinate parameters that the user successively clicks for twice, notes the frontier point as roll titles, and is set the direction of captions rolling by the precedence of clicking; In the upper and lower click of drawing area, then the captions of Sheng Chenging from top to bottom roll as successively.Related text content in the captions is by 22 inputs of input button.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (7)
1. an electronic drawing board is characterized in that, comprises microcontroller (10), the input/output module (20), the graphics module (30) that are connected respectively with microcontroller (10).
2. electronic drawing board as claimed in claim 1 is characterized in that, described input/output module (20) comprises the touch-screen body (21) that is used to draw with display image, and the output interface of described touch-screen body (21) is provided with drawing area and some control areas; Described control area is provided with some touch key-presss, is used for the input of control command.
3. electronic drawing board as claimed in claim 1 is characterized in that, described input/output module (20) comprises some input buttons (22), is used for the input of control command.
4. electronic drawing board as claimed in claim 2 is characterized in that, described graphics module (30) comprises point location module (31), is used to be recorded in the coordinate parameters of the click-point on the described touch-screen body (21).
5. electronic drawing board as claimed in claim 4 is characterized in that, described graphics module (30) also comprises setting-out module (32), is used for drawing between described some click-point connecting line segment.
6. electronic drawing board as claimed in claim 2 is characterized in that, described graphics module (30) comprises mobile module (33), is used to be recorded in the click order of the click-point on the described touch-screen body (21).
7. electronic drawing board as claimed in claim 1 is characterized in that, also comprises memory module (40), and described memory module (40) is connected with described microcontroller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201523884U CN201654734U (en) | 2010-04-08 | 2010-04-08 | Electronic drawing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201523884U CN201654734U (en) | 2010-04-08 | 2010-04-08 | Electronic drawing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654734U true CN201654734U (en) | 2010-11-24 |
Family
ID=43119977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201523884U Expired - Fee Related CN201654734U (en) | 2010-04-08 | 2010-04-08 | Electronic drawing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654734U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568253A (en) * | 2010-12-21 | 2012-07-11 | 汉王科技股份有限公司 | Method and device used for displaying geometrical characteristic of graph in electronic whiteboard |
| CN106652582A (en) * | 2016-12-20 | 2017-05-10 | 成都远策数码科技有限公司 | Geometric experiment and learning platform and method |
| CN108345440A (en) * | 2017-01-22 | 2018-07-31 | 亿度慧达教育科技（北京）有限公司 | A kind of method and its device of the geometric figure auxiliary line of display addition |
| JP2021518029A (en) * | 2018-04-28 | 2021-07-29 | ハンヴォン ユージー テクノロジー カンパニー リミテッドＨａｎｖｏｎ Ｕｇｅｅ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | Three-in-one multimedia cable and electronic drawing board system |
-
2010
- 2010-04-08 CN CN2010201523884U patent/CN201654734U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568253A (en) * | 2010-12-21 | 2012-07-11 | 汉王科技股份有限公司 | Method and device used for displaying geometrical characteristic of graph in electronic whiteboard |
| CN106652582A (en) * | 2016-12-20 | 2017-05-10 | 成都远策数码科技有限公司 | Geometric experiment and learning platform and method |
| CN108345440A (en) * | 2017-01-22 | 2018-07-31 | 亿度慧达教育科技（北京）有限公司 | A kind of method and its device of the geometric figure auxiliary line of display addition |
| JP2021518029A (en) * | 2018-04-28 | 2021-07-29 | ハンヴォン ユージー テクノロジー カンパニー リミテッドＨａｎｖｏｎ Ｕｇｅｅ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | Three-in-one multimedia cable and electronic drawing board system |
| JP7150971B2 (en) | 2018-04-28 | 2022-10-11 | ハンヴォン ユージー テクノロジー カンパニー リミテッド | Electronic drawing board system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110408 |