CN210573714U

CN210573714U - Erasing device of electronic whiteboard

Info

Publication number: CN210573714U
Application number: CN201921852498.9U
Authority: CN
Inventors: 张显靖; 吴雄新; 徐发文
Original assignee: Shenzhen Tengqianli Technology Co ltd
Current assignee: Shenzhen Tengqianli Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-05-19
Anticipated expiration: 2029-10-31

Abstract

The utility model provides an erasing device 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, the intelligent pen is provided with a writing mode and an erasing mode, the intelligent pen comprises a contact switch, and the contact switch is arranged at the front section of the pen body of the intelligent pen and is used for switching the erasing mode of the intelligent pen; the blackboard eraser comprises a groove for accommodating the front section of the pen body of the intelligent pen, and a trigger unit corresponding to the contact switch is arranged in the groove; has the advantages that: the intelligent pen is provided with the physical switch to replace a button in a program, so that the intelligent pen is inserted into the blackboard eraser and moves along with the blackboard eraser, and handwriting on the electronic whiteboard and electronic handwriting on the terminal are erased simultaneously.

Description

Erasing device of electronic whiteboard

Technical Field

The utility model relates to an eraser technical field, in particular to whiteboard erase device.

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.

In view of the above, it is necessary to design an erasing device that can erase the writing on the surface of the electronic whiteboard, and more importantly, can also erase the writing on the electronic whiteboard.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic whiteboard's erasing device uses on electronic whiteboard, sets up the button that the physics switch replaces in the procedure through intelligent pen, realizes through inserting the intelligence pen in the blackboard eraser, along with the blackboard eraser removal, erases the electronic handwriting on writing handwriting and the terminal on the electronic whiteboard simultaneously.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an erasing device of electronic whiteboard, includes blackboard eraser, intelligent pen, blackboard eraser, intelligent pen and electronic whiteboard cooperation are used, electronic whiteboard has the dot matrix rete that can discern the dot matrix array, its characterized in that, intelligent pen has writing mode and erases the mode, intelligent pen includes: the pressure sensor is arranged at the pen point of the intelligent pen; the image sensor is arranged at the front section of the intelligent pen body; the processor is used for collecting pressure data information sensed by the pressure sensor and instant image information acquired by the image sensor, 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; the contact switch is arranged at the front section of the pen body of the intelligent pen and used for switching the erasing mode of the intelligent pen; the blackboard eraser comprises a groove for accommodating the front section of the pen body of the intelligent pen, and a trigger unit corresponding to the contact switch is arranged in the groove.

Preferably, the contact switch is a tact switch, and the trigger unit is a protrusion.

Preferably, the contact switch is a contact switch; the trigger unit is a contact connecting piece and is connected with a contact switch.

Preferably, the erasing mode is used for erasing the content on the electronic whiteboard through an eraser in the erasing mode.

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 erasing device of the present invention;

fig. 2 is a cross-sectional view of the erasing apparatus of the present invention;

fig. 3 is a schematic diagram of the lattice array of the lattice film layer of the present invention.

1. An intelligent pen; 101. a contact switch; 102. an image sensor; 103. a processor; 104. an infrared light source; 2. erasing the blackboard; 201. a groove; 202. a trigger unit; 203. a through hole.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed description of the embodiments provided in the present invention is provided with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, an erasing apparatus for 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.

In the erasing mode of the intelligent pen 1, the intelligent pen 1 is inserted into a groove 201 in the eraser 2, a contact switch 101 on the intelligent pen 1 touches a trigger unit 202 in the groove 201 to activate an erasing module of the intelligent pen 1, the erasing module transmits data to the processor 1 (an integrated module and the processor are integrated on a 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.

Further, the touch switch 101 on the smart pen 1 is a touch switch, and the touch switch 101 may be formed by: the waterproof touch switch is formed by adding a layer of polyimide film on the elastic sheet, a trigger unit 202 for activating the switch is needed, the trigger unit 202 can be a protrusion corresponding to the touch switch 101 on the groove 201, and therefore after the intelligent pen 1 is inserted into the groove 201, the touch switch 101 touches the protrusion, and the erasing mode is started.

Further, the contact switch 101 on the smart pen 1 is a contact switch, and when the contact switch arranged on the smart pen 1 is not activated, two contacts are disconnected, so that the switching circuit is not turned on; thus requiring the trigger unit 202 to connect the contacts to complete the circuit. For this purpose, the trigger unit 202 is a contact connecting member disposed on the recess 201, the contact connecting member being a conductive alloy, and the periphery thereof being a non-conductive material.

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.

As shown in fig. 3, 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.

The above is to the erasing device of the electronic whiteboard provided by the embodiment of the present invention is introduced in detail, and to the general technical personnel in the field, according to the embodiment of the present invention, there is a change part on the specific implementation manner and the application range.

Claims

1. The utility model provides an erasing device of electronic whiteboard, includes blackboard eraser, intelligent pen, blackboard eraser, intelligent pen and electronic whiteboard cooperation are used, electronic whiteboard has the dot matrix rete that can discern the dot matrix array, its characterized in that, intelligent pen has writing mode and erases the mode, intelligent pen includes: the pressure sensor is arranged at the pen point of the intelligent pen; the image sensor is arranged at the front section of the intelligent pen body; the processor is used for collecting pressure data information sensed by the pressure sensor and instant image information acquired by the image sensor, 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; the contact switch is arranged at the front section of the pen body of the intelligent pen and used for switching the erasing mode of the intelligent pen;

the blackboard eraser comprises a groove for accommodating the front section of the pen body of the intelligent pen, and a trigger unit corresponding to the contact switch is arranged in the groove.

2. An erasing apparatus of an electronic whiteboard according to claim 1, wherein the contact switch is a tact switch, and the triggering unit is a protrusion.

3. An erasing apparatus of an electronic whiteboard according to claim 1, wherein the contact switch is a contact switch; the trigger unit is a contact connecting piece and is connected with a contact switch.

4. An erasing apparatus of an electronic whiteboard according to claim 2 or 3, wherein the erasing mode is used for erasing contents on the electronic whiteboard by an eraser in the erasing mode.

5. The erasing apparatus of the electronic whiteboard of claim 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. An erasing device of an electronic whiteboard according to claim 5, wherein the erasing surface of the eraser is provided with through holes corresponding to the grooves, and the through holes can pass through the infrared light source.

7. The erasing device 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. An erasing apparatus of an electronic whiteboard as claimed in claim 6, wherein the erasing mode is used for erasing writing on the electronic whiteboard by the eraser.

9. The erasing device 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.