CN110018758A - Electronic whiteboard, electron plate scrape along electronic pen - Google Patents
Electronic whiteboard, electron plate scrape along electronic pen Download PDFInfo
- Publication number
- CN110018758A CN110018758A CN201810023910.XA CN201810023910A CN110018758A CN 110018758 A CN110018758 A CN 110018758A CN 201810023910 A CN201810023910 A CN 201810023910A CN 110018758 A CN110018758 A CN 110018758A
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- electronic
- liquid crystal
- blackboard eraser
- electromagnetic induction
- electronic whiteboard
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 82
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 56
- 230000001939 inductive effect Effects 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- G06F3/03—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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Position Input By Displaying (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention discloses a kind of electronic whiteboard, electron plate scrape along electronic pen.The electronic whiteboard, including importation, circuit board and output interface；Wherein importation includes liquid crystal display panel and the electronic coil inductive layer positioned at liquid crystal display panel lower layer, and electronic coil inductive layer connects the circuit board；Circuit board is arranged power supply line and provides power supply for the liquid crystal display panel and the electronic coil inductive layer；Output interface and external connection；Wherein, the electromagnetic induction coil of electronic coil inductive layer setting setting number in every setting area, when electronic whiteboard and the electronics blackboard eraser containing electromagnetic induction coil contact, changed by the electromagnetic induction of generation so that the liquid crystal molecule sequence in the specified region in liquid crystal display panel is rearranged.Scheme provided by the invention can be such that the electronic handwriting of electronic whiteboard wipes cleaner, and electronic whiteboard surface can be protected to extend electronic whiteboard service life by making electronics blackboard eraser more, and make electronic pen with more multi-functional, more convenient user's use.
Description
Technical field
The present invention relates to electromagnetic induction whiteboard technology fields, and in particular to a kind of electronic whiteboard, electron plate scrape along electronic pen.
Background technique
Currently, the use of electronic whiteboard is further extensive.Electronic whiteboard generally comprises condenser type blank and electromagnetic induction blank
Etc. types, wherein electromagnetic induction blank be it is a kind of using electromagnetic induction principle realize human-computer interaction device, generally comprise aobvious
Display screen, coil, power supply line etc., when the display screen of electronic pen touching blank, the coil-induced electromagnetic wave to electronic pen transmitting,
Induced electromotive force is generated, by the potential height or size of current of each coil in monitoring coil array, to the touch-control of electronic pen
Point is accurately positioned.
But it is residual also to have about 20% person's handwriting after the erasing of the electronic handwriting of the liquid crystal region of the electronic whiteboard of the prior art
It stays, erasing is not clean, if the erasing of erasing region is firmly greater than greatly 3N/cm2, then the liquid crystal display panel of electronic whiteboard is influenced
It is very big, lead to the reduction of electronic whiteboard service life；The existing and matching used electronic pen of electronic whiteboard, function is also fairly simple,
It is also only the page turning that can support document other than writing function, use is not convenient enough.
Summary of the invention
In view of this, electronics can be made white it is an object of the invention to propose a kind of electronic whiteboard, electron plate scrape along electronic pen
The electronic handwriting erasing of plate is cleaner, and electronic whiteboard surface can be protected to extend the use longevity of electronic whiteboard by making electronics blackboard eraser more
Life, and make electronic pen with more multi-functional, more convenient user's use.
According to an aspect of the present invention, a kind of electronic whiteboard is provided:
Including importation, circuit board and output interface；
Wherein the importation includes liquid crystal display panel and the electronic coil inductive layer positioned at liquid crystal display panel lower layer, the electricity
Subcoil inductive layer connects the circuit board；
Circuit board setting power supply line provides power supply for the liquid crystal display panel and the electronic coil inductive layer；
The output interface and external connection；
Wherein, the electromagnetic induction coil of electronic coil inductive layer setting setting number in every setting area, works as institute
It states electronic whiteboard and when the electronics blackboard eraser containing electromagnetic induction coil contacts, is changed by the electromagnetic induction of generation so that the liquid
The liquid crystal molecule sequence in the specified region in crystal panel is rearranged.
Preferably, the electromagnetic induction coil of electronic coil inductive layer setting setting number in every setting area, packet
It includes:
The electronic coil inductive layer is produced in 20 electromagnetic induction coils of setting every square centimeter, each electromagnetic induction coil
Raw 50 magnetic field concentric circles.
According to another aspect of the present invention, a kind of electronics blackboard eraser is provided:
Including blackboard eraser main body, positioned at the erasing contact surface of the blackboard eraser body surfaces, positioned at the blackboard eraser body interior
Electromagnetic induction coil, the battery positioned at the blackboard eraser body interior, the power supply touch switch positioned at the blackboard eraser body surfaces, position
In the circuit board of the blackboard eraser body interior；
Wherein the battery, power supply touch switch and electromagnetic induction coil and the circuit board are electrically connected；
Wherein, when the electronics blackboard eraser and the electronic whiteboard containing electromagnetic induction coil contact, pass through the electromagnetism of generation
Induction variation is so that the liquid crystal molecule sequence in the specified region in the electronic whiteboard liquid crystal display panel is rearranged.
Preferably, electromagnetic induction coil is arranged in the every setting area of the blackboard eraser body interior in the electronics blackboard eraser.
Preferably, electromagnetic induction coil is arranged in the every setting area of the blackboard eraser body interior in the electronics blackboard eraser, packet
It includes:
The electronics blackboard eraser is in the every 0.3 square millimeter of setting electromagnetic induction coil of the blackboard eraser body interior.
Preferably, the erasing contact surface is equipped with the protective layer contacted with the liquid crystal display panel of electronic whiteboard.
According to another aspect of the present invention, a kind of electronic pen applied to electronic whiteboard is provided:
Including handwriting, pen tip that the handwriting bottom is set, the liquid crystal board that the handwriting middle and lower part is set, with it is described
Liquid crystal board is adjacent and the right button key, adjacent with the liquid crystal board and be located at liquid crystal board top that is located at below the liquid crystal board
Left button key, the slipping ring that the handwriting middle and upper part is set, the trace ball being arranged at the top of the handwriting, from the handwriting
The extended pen in portion is buckled.
Preferably, the pen tip is touch-control pen tip；Or,
The liquid crystal board shows the state of the electronic pen.
Preferably, the slipping ring is that can be rotated slipping ring, and page turning order is executed when being slided；Or,
The trace ball executes cursor moving command when touched, triggers opening for the left button key when pressed
It closes.
Preferably, the electronic pen is additionally provided with the infrared facility module for supporting infrared display, and/or,
The electronic pen is additionally provided with the blue-tooth device module for supporting bluetooth connection.
It can be found that electronic whiteboard provided in an embodiment of the present invention, including importation, circuit board and output interface,
Described in importation include liquid crystal display panel and the electronic coil inductive layer positioned at liquid crystal display panel lower layer, wherein electronic coil incudes
The electromagnetic induction coil of layer setting setting number in every setting area, so that working as the electronic whiteboard and containing electromagnetic induction line
When the electronics blackboard eraser contact of circle, the liquid crystal point so that the specified region in the liquid crystal display panel is changed by the electromagnetic induction of generation
Subsequence is rearranged, and realizes that the cleaner electronic handwriting of electronic whiteboard wipes effect.
Electronics blackboard eraser provided in an embodiment of the present invention connects including blackboard eraser main body, positioned at the erasing of the blackboard eraser body surfaces
Contacting surface, positioned at electromagnetic induction coil of the blackboard eraser body interior etc., wherein when the electronics blackboard eraser with contain electromagnetic induction line
When the electronic whiteboard contact of circle, the specified region so that in the electronic whiteboard liquid crystal display panel is changed by the electromagnetic induction of generation
Liquid crystal molecule sequence rearranged, realize that the cleaner electronic handwriting of electronic whiteboard wipes effect.
Electronic pen provided in an embodiment of the present invention applied to electronic whiteboard, including handwriting, setting are in the handwriting bottom
Pen tip, the handwriting middle and lower part is set liquid crystal board, it is adjacent with the liquid crystal board and be located at the liquid crystal board below the right side
Key button, it is adjacent with the liquid crystal board and be located at the liquid crystal board above left button key, the handwriting middle and upper part is set
Slipping ring, the trace ball being arranged at the top of the handwriting are buckled from the pen that the handwriting top is extended, so that electronic pen removes
With outside existing writing function and supporting, there are also having other a variety of application functions, to be more convenient outside the page-turning function of document
User uses.
Detailed description of the invention
Disclosure illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the disclosure above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in disclosure illustrative embodiments, identical reference label
Typically represent same parts.
Fig. 1 is a kind of schematic block diagram of electronic whiteboard according to an embodiment of the invention；
Fig. 2 is a kind of schematic block diagram of electronics blackboard eraser according to an embodiment of the invention；
Fig. 3 is a kind of schematic block diagram of electronic pen according to an embodiment of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
Although showing the preferred embodiment of the disclosure in attached drawing, however, it is to be appreciated that may be realized in various forms
The disclosure is without that should be limited by the embodiments set forth herein.On the contrary, thesing embodiments are provided so that the disclosure more
Add thorough and complete, and the scope of the present disclosure can be completely communicated to those skilled in the art.
The present invention provides a kind of electronic whiteboard, electron plate scrape along electronic pen, and the electronic handwriting on electronic whiteboard can be made to wipe
Cleaner, electronic whiteboard surface can be protected to extend the service life of electronic whiteboard by making electronics blackboard eraser more, and make electronic pen
With more multi-functional, more convenient user's use.
Below in conjunction with the technical solution of attached drawing the present invention is described in detail embodiment.
Fig. 1 is a kind of schematic block diagram of electronic whiteboard according to an embodiment of the invention.
Referring to Fig.1, the present invention provides a kind of liquid crystal electronic whiteboard of electromagnetic induction, can be changed by electromagnetic induction and be realized
Liquid crystal display panel specifies the liquid crystal molecule sequence in region to rearrange, so that the electronic handwriting (liquid crystal molecule on erasing electronic whiteboard
The display effect when sequence of series is changed)) it is cleaner.
Liquid crystal electronic whiteboard 10 of the invention specifically includes that importation 11, circuit board 12 and output interface 13, wherein
Importation 11 includes liquid crystal display panel 111 (i.e. writing layer) and the electronic coil inductive layer 112 positioned at 111 lower layer of liquid crystal display panel,
Wherein electromagnetic induction coil is arranged in electronic coil inductive layer 112, and the output of electronic coil inductive layer 112 terminates circuit board 12, electricity
Power supply line 121 is arranged on road plate 12 to be used to provide power supply, output interface for liquid crystal display panel 111 and electronic coil inductive layer 112
13 and external connection.
Liquid crystal electronic whiteboard 10 of the invention is set in lower layer, that is, electronic coil inductive layer 112 of liquid crystal display panel 111 often
Determine the electromagnetic induction coil of setting setting number in area, such as in 20 electromagnetic induction coils of setting every square centimeter, each
Electromagnetic induction coil generate 50 magnetic field concentric circles, each electromagnetic induction coil control all liquid crystal in its region for electric discharge
Processing.20 electromagnetic induction coils can produce 1000 magnetic field concentric circles, and the liquid crystal of electronic whiteboard is contacted by electronics blackboard eraser
Generated electromagnetic induction variation when panel, is its charge and discharge to drive the circuit board in liquid crystal flat region, to complete to liquid
Specified region liquid crystal molecule sequence in crystal panel rearranges, and realizes that the cleaner electronic handwriting of electronic whiteboard wipes effect
Fruit.
It should be noted that 20 electromagnetic induction coils of setting every square centimeter are merely illustrative but not limited to this, it can
Other areas and electromagnetic induction coil number are arranged according to process requirements.Wherein, the coil of unit area is more, more convenient for pair
The control of the quantity of specified liquid crystal in region.
Wherein, the electromagnetic induction coil on electronic coil inductive layer 112, for controlling the circuit of liquid crystal area in specified region
The charge switch of plate, liquid crystal molecule sequence, which carries out permutatation, when charging, in region can pass through liquid crystal display panel after power-off
The writing pressure on surface change the arrangement (such as display person's handwriting) of liquid crystal molecule sequence in contact area.
From above scheme it can be found that electronic whiteboard provided by the invention uses electromagnetic induction compared with prior art
Technology completion specifies region liquid crystal molecule sequence to rearrange liquid crystal display panel, can more preferably realize that electronic handwriting is wiped, make
Electronic handwriting erasing on electronic whiteboard is cleaner.
Fig. 2 is a kind of schematic block diagram of electronics blackboard eraser according to an embodiment of the invention.
Referring to Fig. 2, the present invention provides a kind of electronics blackboard eraser 20, which specifically includes that blackboard eraser main body 21, is located at
The erasing contact surface 22 on 21 surface of blackboard eraser main body, is located at blackboard eraser main body at the electromagnetic induction coil 23 inside blackboard eraser main body 21
Battery 24 (power supply polymer battery or photovoltaic), power supply touch-control positioned at blackboard eraser main body 21 surface of 21 inside for power supply are opened
Close 25, circuit board 26 inside blackboard eraser main body 21 etc., the battery 24, power supply touch switch 25 and electromagnetic induction coil
23 are electrically connected with the circuit board 26.
Wherein, erasing contact surface 22 is equipped with the protective layer contacted with the liquid crystal display panel of electronic whiteboard, reduces erasing region
The frictional force of erasing can more preferably protect electronic whiteboard liquid crystal display panel, to improve electronic whiteboard service life.
Wherein, which can be self-powered mode either chargeable mode, then may not be used using self-powered
Need the external energy.For example, electric energy used in its work can be converted by absorbing the kinetic energy in erase process, and store charging
Battery.
Wherein, which can for example every 0.3 square millimeter of setting in the 21 every setting area in inside of blackboard eraser main body
Electromagnetic induction coil 23.It should be noted that the present invention is illustrated with every 0.3 square millimeter but not limited to this, the numerical value
Selection can be arranged according to the minimum person's handwriting width actually write.By the way that electromagnetic induction line is arranged inside blackboard eraser main body 21
Circle 23 changes the liquid crystal molecule in the smaller region of electronic whiteboard range when electron plate wiping can be made to contact with electronic whiteboard
Sequence, to realize that cleaner electronic handwriting wipes effect.That is, the electronics blackboard eraser can be used for changing electronic whiteboard
Liquid crystal display panel contact area in liquid crystal molecule sequence rearrange, i.e. liquid crystal point in the liquid crystal display panel of change electronic whiteboard
The sequence of son, consequently facilitating more rapidly wiping the electronic handwriting in different size region on electronic whiteboard.
From above scheme it can be found that electronics blackboard eraser provided by the invention, is provided with different size of electromagnetic induction coil,
When contacting with electronic whiteboard, the liquid crystal point in the liquid crystal display panel contact area of electronic whiteboard can change by electromagnetic induction variation
Subsequence rearranges, consequently facilitating more rapidly wiping the electronic handwriting in different size region；In addition, connecing in electronics blackboard eraser
Touching surface is equipped with the protective layer contacted with the liquid crystal display panel of electronic whiteboard, reduces the frictional force of the erasing in erasing region, Ke Yigeng
Protect electronic whiteboard well；In addition, electronics blackboard eraser can also use kenetic energy converting device, it can be dynamic in erase process by absorbing
It can be converted into electric energy used in its work, and store rechargeable battery, realize automatic charging.
Fig. 3 is a kind of schematic block diagram of electronic pen according to an embodiment of the invention.
Referring to Fig. 3, the present invention provides a kind of multi-functional electronic pen, which specifically includes that handwriting 31, is arranged in pen
The pen tip 32 of 31 bottom of body, the liquid crystal board 33 that 31 middle and lower part of handwriting is set, it is adjacent with liquid crystal board 33 and be located at liquid crystal board 33 under
The right button key 34 of side, left button key 35 adjacent with liquid crystal board 33 and being located at the top of liquid crystal board 33, setting in handwriting 31 on
The slipping ring 36 in portion, the trace ball 37 that 31 top of handwriting is arranged in buckle 38 from the pen that 31 top of handwriting is extended.
Wherein, pen tip 32: it can be stylus point, support touch function.Because pen tip 32 can touch, when use
As long as the contact electronic whiteboard operating surface of pen tip 32, which is pressed, can be realized operation.
Liquid crystal board 33: can support the status display of electronic pen, so that user be allowed to become apparent from currently used state, wherein pen
Status display content can include but is not limited to the following contents: 1) component to work, for example, be used laser or
Just in page turning etc.；2) electricity is shown；3) when page turning, current number of pages and total page number are shown；4) current time.
Right button key 34: common shortcut menu can be shown by the key, such as can be according to electronic whiteboard software
The right-click menu that the right-click menu of offer carries out display or provides according to system, other application program is shown etc., similar
The right button function of mouse button.
Left button key 35: the key can carry out selection operation etc., such as choose left button similar to the left button function of mouse button
Operation trace ball after key 35 can carry out mobile or drag operation to the object chosen；Or the document to system, application
Etc. being operated, concrete operations order can be configured according to the support situation of system and software.That is, left in system
35 major function of key button is that filesselected or other applications are moved or dragged.
Slipping ring 36: being rotatable slipping ring, for supporting page-turning function, page turning order is executed when being slided, works as sliding
When the slipping ring 36, upward, downward, leftward or rightward page turning may be implemented.
Trace ball 37: can be used for supporting that cursor is mobile or supports by functions such as lower sliders.For example, being turned by trace ball 37
The dynamic relative position for changing related inductor, notifies operating system to complete to cursor position by the vector of relative position variation
Change, instruction can be communicated by bluetooth.For example, referring to that the modular device of trace ball 37 can be downward by lower slider
Press the switch for triggering left button key 35 after trace ball 37, keep left button key 35 in the open state, thus may be implemented by
The function of lower slider.
Pen button 38: it is convenient for carrying, such as is buckled in file for electronic pen to be buckled in relevant position.
It should be noted that infrared facility module can also be arranged to support infrared display (not shown) in the electronic pen,
Such as part outstanding can be set at pen tip 32 at upward set distance such as 3cm (centimetre) laser designation portion can be popped up
Part, or do not pop up and respective modules are installed in a fixed manner.
It should be noted that blue-tooth device modules support Bluetooth connection (not shown), branch can also be arranged in the electronic pen
The function of holding bluetooth connection and data communication can be by 34 long-pressing setting time length such as 3 of left button key 35 or right button key
Second carries out Bluetooth pairing but not limited to this.
It should be noted that can connect each functional module using integrated circuit board in electronic pen, each functional module can be with
It is connected by data line.
From above scheme it can be found that the electronic pen of electronic pen provided by the invention compared with the existing technology, has more function
Energy feature: it supports touch-control to write, support system control, support document application control, be also equipped with laser designation, chargeable, bluetooth
The functions such as communication are more convenient the use of user so as to provide many-sided function for user.
Above it is described in detail according to the technique and scheme of the present invention by reference to attached drawing.
In addition, being also implemented as a kind of computer program or computer program product, the meter according to the method for the present invention
Calculation machine program or computer program product include the calculating for executing the above steps limited in the above method of the invention
Machine program code instruction.
Alternatively, the present invention can also be embodied as a kind of (or the computer-readable storage of non-transitory machinable medium
Medium or machine readable storage medium), it is stored thereon with executable code (or computer program or computer instruction code),
When the executable code (or computer program or computer instruction code) by electronic equipment (or calculate equipment, server
Deng) processor execute when, so that the processor is executed each step according to the above method of the present invention.
Those skilled in the art will also understand is that, various illustrative logical blocks, mould in conjunction with described in disclosure herein
Block, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.
It should be understood by those ordinary skilled in the art that: the above is only a specific embodiment of the present invention, and
It is not used in the limitation present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done,
It should be included within protection scope of the present invention.
Claims (10)
1. a kind of electronic whiteboard, it is characterised in that:
Including importation, circuit board and output interface；
Wherein the importation includes liquid crystal display panel and the electronic coil inductive layer positioned at liquid crystal display panel lower layer, the electric wire
It encloses inductive layer and connects the circuit board；
Circuit board setting power supply line provides power supply for the liquid crystal display panel and the electronic coil inductive layer；
The output interface and external connection；
Wherein, the electromagnetic induction coil of electronic coil inductive layer setting setting number in every setting area, when the electricity
When sub- blank and the electronics blackboard eraser containing electromagnetic induction coil contact, changed by the electromagnetic induction of generation so that the liquid crystal surface
The liquid crystal molecule sequence in the specified region in plate is rearranged.
2. electronic whiteboard according to claim 1, which is characterized in that the electronic coil inductive layer is in every setting area
The electromagnetic induction coil of setting number is set, comprising:
The electronic coil inductive layer generates 50 in 20 electromagnetic induction coils of setting every square centimeter, each electromagnetic induction coil
A magnetic field concentric circles.
3. a kind of electronics blackboard eraser, it is characterised in that:
Including blackboard eraser main body, positioned at the erasing contact surface of the blackboard eraser body surfaces, positioned at the electromagnetism of the blackboard eraser body interior
Induction coil, the power supply touch switch positioned at the blackboard eraser body surfaces, is located at institute at the battery positioned at the blackboard eraser body interior
State the circuit board of blackboard eraser body interior；
Wherein the battery, power supply touch switch and electromagnetic induction coil and the circuit board are electrically connected；
Wherein, when the electronics blackboard eraser and the electronic whiteboard containing electromagnetic induction coil contact, pass through the electromagnetic induction of generation
Variation is so that the liquid crystal molecule sequence in the specified region in the electronic whiteboard liquid crystal display panel is rearranged.
4. electronics blackboard eraser according to claim 3, it is characterised in that:
Electromagnetic induction coil is arranged in the every setting area of the blackboard eraser body interior in the electronics blackboard eraser.
5. electronics blackboard eraser according to claim 4, which is characterized in that the electronics blackboard eraser is every in the blackboard eraser body interior
It sets and electromagnetic induction coil is set in area, comprising:
The electronics blackboard eraser is in the every 0.3 square millimeter of setting electromagnetic induction coil of the blackboard eraser body interior.
6. electronics blackboard eraser according to claim 3 or 4, it is characterised in that:
The erasing contact surface is equipped with the protective layer contacted with the liquid crystal display panel of electronic whiteboard.
7. a kind of electronic pen applied to electronic whiteboard, it is characterised in that:
Including handwriting, pen tip that the handwriting bottom is set, the liquid crystal board that the handwriting middle and lower part is set, with the liquid crystal
Plate it is adjacent and be located at below the liquid crystal board right button key, a left side adjacent with the liquid crystal board and above the liquid crystal board
Key button, the trace ball being arranged at the top of the handwriting, is prolonged from the handwriting top slipping ring that the handwriting middle and upper part is arranged in
The pen for stretching setting is buckled.
8. electronic pen according to claim 7, it is characterised in that:
The pen tip is touch-control pen tip；Or,
The liquid crystal board shows the state of the electronic pen.
9. electronic pen according to claim 7, it is characterised in that:
The slipping ring is that can be rotated slipping ring, and page turning order is executed when being slided；Or,
The trace ball executes cursor moving command when touched, triggers the switch of the left button key when pressed.
10. electronic pen according to claim 7, it is characterised in that:
The electronic pen is additionally provided with the infrared facility module for supporting infrared display, and/or,
The electronic pen is additionally provided with the blue-tooth device module for supporting bluetooth connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023910.XA CN110018758B (en) | 2018-01-10 | 2018-01-10 | Electronic whiteboard, electronic blackboard eraser and electronic pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023910.XA CN110018758B (en) | 2018-01-10 | 2018-01-10 | Electronic whiteboard, electronic blackboard eraser and electronic pen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110018758A true CN110018758A (en) | 2019-07-16 |
| CN110018758B CN110018758B (en) | 2023-10-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810023910.XA Active CN110018758B (en) | 2018-01-10 | 2018-01-10 | Electronic whiteboard, electronic blackboard eraser and electronic pen |
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| Country | Link |
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| CN (1) | CN110018758B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647249A (en) * | 2019-10-31 | 2020-01-03 | 深圳腾千里科技有限公司 | Erasing device for white board covered with dot matrix codes |
| CN110667287A (en) * | 2019-09-18 | 2020-01-10 | 深圳市东向同人科技有限公司 | Trace removal method and related product |
| TWI727545B (en) * | 2019-12-11 | 2021-05-11 | 禾瑞亞科技股份有限公司 | Electronic system and method thereof for setting erasing area |
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