CN110633019A - Blackboard eraser structure of electronic whiteboard - Google Patents

Blackboard eraser structure of electronic whiteboard Download PDF

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Publication number
CN110633019A
CN110633019A CN201911049782.7A CN201911049782A CN110633019A CN 110633019 A CN110633019 A CN 110633019A CN 201911049782 A CN201911049782 A CN 201911049782A CN 110633019 A CN110633019 A CN 110633019A
Authority
CN
China
Prior art keywords
eraser
pen
electronic whiteboard
intelligent pen
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911049782.7A
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Chinese (zh)
Inventor
吴雄新
徐发文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Teng Long Li Technology Co Ltd
Original Assignee
Shenzhen Teng Long Li Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Teng Long Li Technology Co Ltd filed Critical Shenzhen Teng Long Li Technology Co Ltd
Priority to CN201911049782.7A priority Critical patent/CN110633019A/en
Publication of CN110633019A publication Critical patent/CN110633019A/en
Pending legal-status Critical Current

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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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text

Abstract

The invention provides an eraser structure of an electronic whiteboard, which comprises an eraser and an intelligent pen, wherein the eraser, the intelligent pen and the electronic whiteboard are matched for use, the electronic whiteboard is provided with a dot matrix film layer capable of identifying a dot matrix array, and the eraser comprises a groove capable of accommodating the front section of a pen body of the intelligent pen; the blackboard eraser further comprises a moving block and a spring, one end of the spring is fixed inside the blackboard eraser, the other end of the spring is connected with the moving block, the other end of the moving block protrudes into the groove, after the intelligent pen is inserted into the groove, the moving block moves towards the direction of the spring, and the intelligent pen is clamped; has the advantages that: the use is convenient, and the cost is low; and simultaneously erasing the handwriting on the electronic whiteboard and the electronic handwriting on the terminal through the matching of the intelligent pen and the blackboard eraser.

Description

Blackboard eraser structure of electronic whiteboard
Technical Field
The invention relates to the technical field of eraser, in particular to an eraser structure of an electronic whiteboard.
Background
The electronic whiteboard has been developed from a common whiteboard, and with the development of technology and the market demand, an interactive electronic whiteboard has appeared. The interactive electronic whiteboard can be in information communication with a computer, the electronic whiteboard is connected to a terminal such as a PC, the content on the PC is projected onto the screen of the electronic whiteboard by using a projector, and a large-screen interactive collaboration meeting or teaching environment can be constructed under the support of a special application program. The special electronic pen is used for replacing a mouse to operate on the whiteboard, any application program can be run, and any operation which can be realized by using a keyboard and the mouse on a computer, such as editing, annotating, saving and the like can be carried out on files.
The working principle of the existing electronic whiteboard is divided into a resistance type, an electromagnetic type, an optical type, an ultrasonic type and the like. However, the existing electronic whiteboard has a complex structure and high finished product.
In addition, when a user of the electronic whiteboard uses a specific electronic pen to draw or write on the electronic whiteboard, if the existing handwriting or drawing needs to be erased, the user needs to first click a button in the program with the electronic pen, call up an eraser tool, and then drag the eraser tool displayed on the electronic whiteboard with the electronic pen to erase. If the written handwriting and the drawing are stored in the storage device of the mobile terminal matched with the electronic whiteboard to form the electronic writing, when the writing and the electronic writing on the whiteboard film of the electronic whiteboard need to be erased simultaneously, the traditional blackboard eraser cannot erase the handwriting on the surface of the electronic whiteboard and erase the electronic writing simultaneously, which does not accord with the habit of the traditional blackboard or whiteboard of people, and frequent program conversion is needed in the writing and erasing processes, so that the use is very inconvenient.
The traditional blackboard eraser is directly intelligent, and an electronic component is additionally arranged to form the intelligent blackboard eraser, so that handwriting and electronic handwriting can be directly erased simultaneously; or only erase the written handwriting. And the combination structure of the writing handwriting and the electronic writing handwriting can be simultaneously erased by matching the blackboard eraser and the intelligent pen without a particularly good scheme.
In view of the above, there is a need for a board eraser structure that can erase writing on the surface of an electronic whiteboard, and more importantly, can also erase the writing on the surface of the electronic whiteboard.
Disclosure of Invention
The invention provides an eraser structure of an electronic whiteboard, which is applied to the electronic whiteboard, and a button in a program is replaced by arranging a non-contact switch, so that the purpose that writing handwriting on the electronic whiteboard and electronic writing handwriting on a terminal are erased simultaneously by inserting an intelligent pen into an eraser to move along with the eraser; simple structure and low cost.
In order to achieve the purpose, the invention provides the following technical scheme:
an eraser structure of an electronic whiteboard comprises an eraser and an intelligent pen, wherein the eraser, the intelligent pen and the electronic whiteboard are matched for use, the electronic whiteboard is provided with a dot matrix film layer capable of identifying a dot matrix array, and the eraser comprises a groove capable of accommodating the front section of a pen body of the intelligent pen; the blackboard eraser further comprises a moving block and a spring, one end of the spring is fixed inside the blackboard eraser, the other end of the spring is connected with the moving block, the other end of the moving block protrudes into the groove, after the intelligent pen is inserted into the groove, the moving block moves towards the direction of the spring, and the intelligent pen is clamped.
Preferably, the axial direction of the intelligent pen and the horizontal direction of the blackboard eraser form an included angle of 0-90 degrees.
Preferably, when the angle between the axial direction of the intelligent pen and the horizontal direction of the eraser is smaller than 90 degrees, a reflector is arranged in front of the pen point of the intelligent pen, and the reflector is arranged in the eraser.
Preferably, the axial direction of the intelligent pen and the horizontal direction of the eraser form an included angle of 0 degree, a reflector is arranged in front of the pen point of the intelligent pen, and the mirror surface of the reflector and the axial direction of the intelligent pen form an included angle of-135 degrees.
Preferably, the intelligent pen further comprises an infrared light source arranged at the front end of the pen body of the intelligent pen.
Preferably, the wiping surface of the blackboard eraser is provided with a through hole, the through hole corresponds to the groove, and the through hole can pass through an infrared light source.
Preferably, the erasing mode is used for erasing the electronic handwriting on the terminal by the intelligent pen.
Preferably, the erasing mode is used for erasing handwriting on the electronic whiteboard by using the eraser.
Preferably, the writing mode is used for the intelligent pen to write on the electronic whiteboard so as to form writing handwriting and electronic writing handwriting.
Through implementing above technical scheme, have following technological effect: the use is convenient, and the cost is low; and simultaneously erasing the handwriting on the electronic whiteboard and the electronic handwriting on the terminal through the matching of the intelligent pen and the blackboard eraser.
Drawings
FIG. 1 is a perspective view of the eraser structure of the present invention;
FIG. 2 is a cross-sectional view of the eraser structure according to the invention;
FIG. 3 is an exploded view of the eraser structure of the present invention;
FIG. 4 is a schematic view of a lattice array of lattice film layers of the present invention;
FIG. 5 is a perspective view of the eraser structure of the present invention;
figure 6 is a cross-sectional view of the eraser structure according to the invention.
1. An intelligent pen; 102. an image sensor; 103. a processor; 104. an infrared light source; 2. Erasing the blackboard; 201. a groove; 202. a moving block; 203. a through hole; 204. a spring; 205. a mirror.
Detailed Description
In order to better understand the technical scheme of the invention, the following detailed description is made on the embodiments provided by the invention in combination with the accompanying drawings.
As shown in fig. 1, 2 and 3, an eraser structure of an electronic whiteboard comprises an eraser 2 and an intelligent pen 1, wherein the eraser 2 and the intelligent pen 1 are used in cooperation with the electronic whiteboard, the electronic whiteboard has a dot matrix film layer capable of identifying a dot matrix array, and the eraser 2 comprises a groove 201 capable of accommodating a front section of a pen body of the intelligent pen 1; the blackboard eraser 2 further comprises a moving block 202 and a spring 204, one end of the spring 204 is fixed inside the blackboard eraser 2, the other end of the spring 204 is connected with the moving block 202, the other end of the moving block 202 protrudes into the groove 201, after the intelligent pen 1 is inserted into the groove, the moving block 202 moves towards the spring 204, and the intelligent pen 1 is clamped.
The axial direction of the intelligent pen 1 and the horizontal direction of the eraser 2 form an included angle of 0-90 degrees.
Further, as shown in fig. 5 and 6, when the angle between the axial direction of the smart pen 1 and the horizontal direction of the eraser 2 is smaller than 90 °, a reflector 205 is disposed in front of the pen point of the smart pen 1, and the reflector 205 is disposed in the eraser.
Further, the axial direction of the intelligent pen 1 and the horizontal direction of the eraser 2 form an included angle of 0 degree, a reflecting mirror 205 is arranged in front of a pen point of the intelligent pen 1, and the mirror surface of the reflecting mirror 205 and the axial direction of the intelligent pen 1 form an included angle of-135 degrees
Further, the starting mechanism is provided on the moving block 202.
Wherein, the horizontal direction of the blackboard eraser 2 can be as follows: and in the case of being placed on an electronic whiteboard, in a direction parallel to the electronic whiteboard.
As shown in fig. 1, fig. 2, fig. 3, fig. 5, and fig. 6, an eraser structure of an electronic whiteboard includes an eraser 2 and a smart pen 1, where the eraser 2 and the smart pen 1 are used in cooperation with the electronic whiteboard, the electronic whiteboard has a dot matrix film layer capable of identifying a dot matrix array, the smart pen 1 has a writing mode, and the smart pen 1 includes: the pressure sensor is arranged at the pen point of the intelligent pen 1; the image sensor 102 is arranged at the front section of the pen body of the intelligent pen 1; the processor 103 is used for collecting pressure data information sensed by the pressure sensor and instant image information acquired by the image sensor 102, controlling the working state according to the pressure data information, processing the instant image information, acquiring two-dimensional coordinate information, and sending the two-dimensional coordinate information to the terminal through the wireless transceiver; starting the intelligent pen 1, writing on the electronic whiteboard by the intelligent pen 1, reading image information on the electronic whiteboard by the image sensor 102, combining with pressure data information, processing by the processor 103 to form an electronic writing data packet, transmitting the data packet to a terminal by the wireless transceiver, and displaying electronic writing on the terminal; the intelligent pen 1 writes on the electronic whiteboard, and formed writing handwriting is also reserved.
The intelligent pen erasing device further comprises an actuating mechanism, wherein the actuating mechanism is provided with a sensor used for detecting whether the intelligent pen 1 is inserted on the eraser 2 or not and is used for actuating an erasing mode of the intelligent pen 1.
In the erasing mode of the intelligent pen 1, the intelligent pen 1 is inserted into a groove 201 in an eraser 2, the sensor is not in actual contact with the intelligent pen 1, and the sensor detects whether the intelligent pen 1 is inserted on the eraser 2 by using the change of a magnetic field; the sensor comprises a reed switch, the reed switch is arranged in the blackboard eraser 2, and a magnet is arranged in the intelligent pen 1; the reed switch in the groove 201 is contacted by the magnet on the intelligent pen 1, the erasing module of the intelligent pen 1 is activated, the erasing module transmits data to the processor 1 (the integrated module and the processor are integrated on the mainboard), and the erasing mode of the intelligent pen 1 is switched; the intelligent pen 1 reads image information and pressure data information in a block where the eraser 2 moves on the electronic whiteboard, the processor 103 processes the extracted information into a data packet needing to be erased, the data packet is transmitted to the terminal, and the electronic handwriting corresponding to the eraser in the moving block of the electronic whiteboard is erased, so that the functions of simultaneously erasing the electronic handwriting and the handwriting are formed.
The intelligent pen 1 further comprises an infrared light source 104 arranged at the front end of the pen body of the intelligent pen 1; the wiping surface of the blackboard eraser 2 is provided with a through hole 203, the through hole 203 corresponds to the groove 201, and the through hole 203 can pass through the infrared light source 104. Furthermore, one end of the through hole 203 close to the wiping surface of the eraser 2 can be covered with a light-conducting material, so that the integrity of the wiping surface of the eraser 2 is not damaged.
And the erasing mode is used for erasing the electronic handwriting on the terminal by the intelligent pen 1.
The erasing mode is used for erasing the handwriting on the electronic whiteboard by the eraser 2.
The writing mode is used for the intelligent pen 1 to write on the electronic whiteboard to form writing handwriting and electronic writing handwriting.
In another embodiment, in the erasing mode of the smart pen 1, the smart pen 1 is inserted into a groove 201 in an eraser 2, the sensor is not in actual contact with the eraser 2, and the sensor detects whether the smart pen 1 is inserted on the eraser 2 by using the change of a magnetic field; the sensor comprises a Hall element, the Hall element is arranged in the intelligent pen 1, and a magnet is arranged in the eraser 2; the Hall element 105 on the intelligent pen 1 is in non-contact with the magnet in the groove 201, the erasing module of the intelligent pen 1 is activated, the erasing module transmits data to the processor 1 (the integrated module and the processor are integrated on the mainboard), and the erasing mode of the intelligent pen 1 is switched; the intelligent pen 1 reads image information and pressure data information in a block where the eraser 2 moves on the electronic whiteboard, the processor 103 processes the extracted information into a data packet needing to be erased, the data packet is transmitted to the terminal, and the electronic handwriting corresponding to the eraser in the moving block of the electronic whiteboard is erased, so that the functions of simultaneously erasing the electronic handwriting and the handwriting are formed.
The intelligent pen 1 further comprises an infrared light source 104 arranged at the front end of the pen body of the intelligent pen 1; the wiping surface of the blackboard eraser 2 is provided with a through hole 203, the through hole 203 corresponds to the groove 201, and the through hole 203 can pass through the infrared light source 104. Furthermore, one end of the through hole 203 close to the wiping surface of the eraser 2 can be covered with a light-conducting material, so that the integrity of the wiping surface of the eraser 2 is not damaged.
And the erasing mode is used for erasing the electronic handwriting on the terminal by the intelligent pen 1.
The erasing mode is used for erasing the handwriting on the electronic whiteboard by the eraser 2.
The writing mode is used for the intelligent pen 1 to write on the electronic whiteboard to form writing handwriting and electronic writing handwriting.
In principle, the ferrite element can attract the magnetic field and concentrate the magnetic field around the hall element, so that the magnet in the smart pen can be made small, with a thickness of about 1mm and a diameter of about 3 mm. Alternatively, a magnet (not shown) may be mounted near the hall element to locally strengthen the magnetic field on the hall element. Thus, only a small increase in the magnetic field is required to turn the Hall element on or off.
Therefore, the sensor capable of operating in a non-contact manner can be used for starting the erasing mode after the intelligent pen 1 is inserted into the eraser 2.
As shown in fig. 4, a plurality of adjacent dots in the dot matrix array of the dot matrix film layer form a minimum data unit, the middle minimum data unit is a minimum data unit formed by 6 × 6 code dots, each code dot in each data unit has a corresponding reference center, and deviation information of each code dot relative to its reference center forms a characteristic that the minimum data unit is different from other minimum data units. The coordinates of different positions on the writing paper can be calibrated through the characteristics, and the digitization precision of the writing content can be accurate to a micron level by adopting the method.
While the above-mentioned embodiments of the invention have been described in detail, for those skilled in the art, there are variations in the specific implementation manners and application ranges according to the concepts of the embodiments of the invention, and in summary, the disclosure of this specification should not be construed as limiting the invention.

Claims (9)

1. An eraser structure of an electronic whiteboard comprises an eraser and an intelligent pen, wherein the eraser, the intelligent pen and the electronic whiteboard are matched for use, the electronic whiteboard is provided with a dot matrix film layer capable of identifying a dot matrix array, and the electronic whiteboard is characterized in that,
the blackboard eraser comprises a groove which can contain the front section of the pen body of the intelligent pen; the blackboard eraser further comprises a moving block and a spring, one end of the spring is fixed inside the blackboard eraser, the other end of the spring is connected with the moving block, the other end of the moving block protrudes into the groove, after the intelligent pen is inserted into the groove, the moving block moves towards the direction of the spring, and the intelligent pen is clamped.
2. The eraser structure of the electronic whiteboard of claim 1, wherein an included angle between an axial direction of the intelligent pen and a horizontal direction of the eraser is 0-90 degrees.
3. The eraser structure of the electronic whiteboard of claim 2, wherein when an angle between an axial direction of the smart pen and a horizontal direction of the eraser is less than 90 °, a reflector is arranged in front of a pen point of the smart pen, and the reflector is arranged in the eraser.
4. The eraser structure of claim 3, wherein an angle between the axial direction of the smart pen and the horizontal direction of the eraser is 0 °, a reflector is disposed in front of the nib of the smart pen, and an angle between the mirror surface of the reflector and the axial direction of the smart pen is-135 °.
5. The eraser structure of the electronic whiteboard of claim 1 or 4, wherein the smart pen further comprises an infrared light source disposed at a front end of the pen body of the smart pen.
6. The eraser structure of an electronic whiteboard of claim 5, wherein a through hole is disposed on the erasing surface of the eraser, the through hole corresponds to the groove, and the through hole can pass through an infrared light source.
7. The eraser structure of the electronic whiteboard of claim 6, wherein the erasing mode is used for erasing the electronic handwriting on the terminal by the intelligent pen.
8. The eraser structure of the electronic whiteboard of claim 6, wherein the erasing mode is used for erasing writing on the electronic whiteboard.
9. The eraser structure of the electronic whiteboard of claim 6, wherein the writing mode is used for the intelligent pen to write on the electronic whiteboard to form writing handwriting and electronic writing handwriting.
CN201911049782.7A 2019-10-31 2019-10-31 Blackboard eraser structure of electronic whiteboard Pending CN110633019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911049782.7A CN110633019A (en) 2019-10-31 2019-10-31 Blackboard eraser structure of electronic whiteboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911049782.7A CN110633019A (en) 2019-10-31 2019-10-31 Blackboard eraser structure of electronic whiteboard

Publications (1)

Publication Number Publication Date
CN110633019A true CN110633019A (en) 2019-12-31

Family

ID=68978465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911049782.7A Pending CN110633019A (en) 2019-10-31 2019-10-31 Blackboard eraser structure of electronic whiteboard

Country Status (1)

Country Link
CN (1) CN110633019A (en)

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