CN208335167U - Electromagnetic touch device and electronic reader - Google Patents
Electromagnetic touch device and electronic reader Download PDFInfo
- Publication number
- CN208335167U CN208335167U CN201820841898.9U CN201820841898U CN208335167U CN 208335167 U CN208335167 U CN 208335167U CN 201820841898 U CN201820841898 U CN 201820841898U CN 208335167 U CN208335167 U CN 208335167U
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- Prior art keywords
- magnet
- touch device
- electromagnetic
- electromagnetic touch
- magnetic shielding
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
-
- 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)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Human Computer Interaction (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to a kind of electromagnetic touch device and electronic reader, the electromagnetic touch device includes: electromagnetic screen；Magnet；Magnetic shielding structure is set between the magnet and electromagnetic screen, and the magnetic shielding structure has high magnetic permeability, to which the position between the magnet and electromagnetic screen equipped with the magnetic shielding structure forms magnetic shielding.The magnetic shielding structure of high magnetic permeability is arranged in the utility model between electromagnetic screen and magnet, so that the magnetic line of force of magnets magnetic fields is distorted at the surface of magnetic shielding structure, the density of line of magnetic force of the electromagnetic screen side of magnetic shielding structure is greatly reduced, magnetic field strength is obviously reduced, and achievees the purpose that inhibit magnetic disturbance.
Description
Technical field
The utility model relates to touch screens to further relate to a kind of electronic reading more particularly to a kind of electromagnetic touch device
Device.
Background technique
Electromagnetic touch-control technological orientation precision is high, can obtain the tilt angle and pressure of time writer, therefore is widely used in counting
The terminal devices such as position plate (drawing board), handwriting pad, the computer for having handwriting functions, mobile phone, electronic reader.Apply electromagnetic type
The display screen of touch technology is allowed user directly to be painted, write on a display screen using time writer, realizes " finding is i.e. drawn "
Function.
For portable terminal device, protection cap can be equipped with for it.For being set with the terminal that protection cap is used cooperatively
It is standby, can magnet be set on it, protection cap is attracted.
However if the terminal device for being equipped with electromagnetic screen is attracted protection cap using magnet, magnet can be to electromagnetism
Screen generates interference, influences the normal work of electromagnetic screen.
Utility model content
Based on this, it is necessary to provide a kind of electromagnetic touch device that can prevent interference of the magnet to electromagnetic screen.
A kind of electromagnetic touch device, comprising: electromagnetic screen；Magnet；Magnetic shielding structure is set to the magnet and electromagnetic screen
Between, the magnetic shielding structure has high magnetic permeability, to be equipped with the magnetic shielding between the magnet and electromagnetic screen
The position of structure forms magnetic shielding.
The magnet is set to the side outside the electromagnetic screen in one of the embodiments,.
The cross section of the electromagnetic touch device is rectangle, two short side institutes of rectangle in one of the embodiments,
In the upper side and lower side that side is the electromagnetic touch device respectively, side where two long sides of rectangle is the electromagnetic type respectively
The left and right side of touch device；The magnet is set to the downside of the electromagnetic touch device.
The magnetic shielding structure is semi-closed structure equipped with opening, by the magnet in one of the embodiments,
It surrounds, it is described to be open towards the front of the electromagnetic touch device.
The section of the magnetic shielding structure is c-type in one of the embodiments,.
The magnet includes the be arranged in the left side close to the electromagnetic touch device in one of the embodiments,
One magnet and the second magnet being arranged close to the right side of the electromagnetic touch device.
It in one of the embodiments, further include first circuit board and antenna, the first circuit board is set to described first
Between magnet and second magnet, the antenna be set to second magnet and the electromagnetic touch device the lower left corner it
Between.
The magnetic shielding structure is close in the electromagnetic screen close to the position of the magnet in one of the embodiments,
The electromagnetic screen setting.
The section of the magnetic shielding structure is L shape in one of the embodiments, wherein a line of " L " is close to
The back side setting of the electromagnetic screen, another a line are close to the electromagnetic screen and are arranged towards the side of the magnet.
It there is a need to provide a kind of electronic reader.
A kind of electronic reader, including electronic ink screen further include the dress of electromagnetic touch-control described in aforementioned any embodiment
It sets.
The magnetostatic screen of high magnetic permeability is arranged in above-mentioned electromagnetic touch device and electronic reader between electromagnetic screen and magnet
Shield structure, so that the magnetic line of force of magnets magnetic fields is distorted at the surface of magnetic shielding structure, the electromagnetism of magnetic shielding structure
The density of line of magnetic force of screen side is greatly reduced, and magnetic field strength is obviously reduced, and achievees the purpose that inhibit magnetic disturbance.
Detailed description of the invention
Fig. 1 is the rearview of the structure of electromagnetic touch device in an embodiment；
Fig. 2 is the magnetic shielding structural side view for being close to the setting of electromagnetism screen surfaces in an embodiment；
Fig. 3 is the rearview of the internal structure of electronic reader in an embodiment；
Fig. 4 is the cross-sectional view of electronic reader shown in Fig. 3；
Fig. 5 is the partial enlarged view of Fig. 4.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper",
"lower", "left", "right" and similar statement are for illustrative purposes only.
This programme is by being arranged magnetic shielding structure to electromagnetic touch device, to prevent magnet (such as magnet) to electromagnetism
The interference of screen.Specifically, electromagnetic touch device includes electromagnetic screen, magnet and magnetic shielding structure, and magnetic shielding structure is set to
Between magnet and electromagnetic screen.Magnetic shielding structure has high magnetic permeability, to be equipped with magnetic shielding between magnet and electromagnetic screen
The position of structure forms magnetic shielding, so that the magnetic line of force of magnets magnetic fields is distorted at the surface of magnetic shielding structure, it is quiet
The density of line of magnetic force of the electromagnetic screen side of magnet shielding structure is greatly reduced, and magnetic field strength is obviously reduced, and is reached and is inhibited magnetic disturbance
Purpose.
The material of magnetic shielding structure can choose those skilled in the art it is known have high magnetic permeability, so as to shape
At material of magnetic shielding, such as iron, ferroalloy etc..In one embodiment, the material of magnetic shielding structure uses hot-dip
Zinc sheet metal；In another embodiment, magnetic shielding structure uses tinplate.
Electromagnetic touch device can be applied to Digitizing plate, handwriting pad, the computer for having handwriting functions, mobile phone, electronics and read
Read the terminal devices such as device.Referring to Fig. 1, dotted line frame is the outer profile of electromagnetic touch device 100, and magnet 120 is set to electromagnetic screen
Side outside 110.
Magnet 120 is set to outside electromagnetic screen 110, then a distance can be kept between electromagnetic screen 110, is conducive to reduce magnet
The interference of 120 pairs of electromagnetic screens 110.In the embodiment shown in fig. 1, magnet 120 is set to the downside of electromagnetic touch device 100.?
In other embodiments, magnet 120 can also be set to upside, left side, the right side etc. of electromagnetic touch device 100.It should be understood that
Since the protection cap that magnet 120 is attracted generally is set to the front of electromagnetic screen 110, magnet 120 is set to the back side of electromagnetic screen 110
It will affect actuation effect；For configuring the electromagnetic touch device 100 of display screen, in order to obtain better display effect, magnet
The 120 general fronts for not being set to electromagnetic screen 110.It should be noted that term used in present specification and claims " on
Side ", " downside ", " left side ", " right side " refer to inside device up and down.
In the embodiment shown in fig. 1, the cross section of electromagnetic touch device 100 is rectangle, two short side institutes of rectangle
In the upper side and lower side that side is electromagnetic touch device 100 respectively, side where two long sides of rectangle is electromagnetic touch-control respectively
The left and right side of device 100.Since Fig. 1 is the rearview of the structure of electromagnetic touch device in an embodiment, Fig. 1's
Left side is the right side of electromagnetic touch device 100, and the right side of Fig. 1 is the left side of electromagnetic touch device 100.
It in the embodiment shown in fig. 1, there are two magnets 120, that is, include being arranged in the first of the outer lower left of electromagnetic screen 110
Magnet and the second magnet that the outer lower right of electromagnetic screen 110 is set.
In one embodiment, magnetic shielding structure is the semi-closed structure equipped with opening, is open towards electromagnetic touch-control
Magnet 120 is surrounded (in addition to opening) by the front of device 100, the semi-closed structure.It should be understood that magnet 120 must be protected
Stay the enough suction to protection cap.And there are openings for magnetic shielding structure, can provide in magnetic shielding ability and magnet 120
The magnetic force (suction) to protection cap between obtain one balance.It selects that position suitably is arranged for magnet 120, is aided with towards electricity
The positive magnetic shielding structural openings of magnetic-type touch device 100, enable to the opening of magnetic shielding structure to avoid electromagnetic screen
110, magnet 120 can be preferably prevented in this way to the interference of electromagnetic screen 110 and is obtained to the enough suction of protection cap.
Inventor passes through the test such as simulation analysis, it was demonstrated that magnetic shielding knot is arranged at position of the electromagnetic screen close to magnet
Structure can equally effectively prevent interference of the magnet to electromagnetic screen.Fig. 2 is the magnetostatic of abutting electromagnetism screen surfaces setting in an embodiment
Shielding construction side view.In this embodiment, the section of magnetic shielding structure 130 is L shape, and wherein a line of L is close to electricity
The back side of magnetic cup 110 is arranged, and another a line is close to electromagnetic screen 110 and (implementation shown in Fig. 2 is arranged towards the side of magnet 120
It is to be close to be arranged on the downside of electromagnetic screen 110 in example).
It should be understood that in one embodiment, magnetic shielding structure can by surround magnet 120 semi-closed structure and
The structure matching for being close to the setting of electromagnetism screen surfaces uses.
Inventor also provides a kind of electronic reader, including electronic ink screen, further includes according to aforementioned any embodiment institute
The electromagnetic touch device stated.
Fig. 3 is the rearview of the internal structure of electronic reader in an embodiment, and in this embodiment, electronic reader is also
Including first circuit board 240 and antenna 250.First circuit board 240 is platelet, is set between the first magnet and the second magnet, is led to
Too small panel seat is connected on main circuit board.Antenna 250 be set between the second magnet and the lower left corner of electromagnetic touch device (by
It is rearview in Fig. 3, the right side in figure is the left side of electromagnetic touch device).
Fig. 4 is the cross-sectional view of electronic reader shown in Fig. 3, and Fig. 5 is the partial enlarged view of Fig. 4.Embodiment shown in Fig. 5
In, the section of magnetic shielding structure 230 is " C " type.In one embodiment, magnetic shielding structure 230 is by 0.3 millimeters thick
Hot-dip galvanized sheet steel rolls.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of electromagnetic touch device characterized by comprising
Electromagnetic screen；
Magnet；
Magnetic shielding structure, be set between the magnet and electromagnetic screen, the magnetic shielding structure have high magnetic permeability, to
Position between the magnet and electromagnetic screen equipped with the magnetic shielding structure forms magnetic shielding.
2. electromagnetic touch device according to claim 1, which is characterized in that the magnetic shielding structure is equipped with opening
Semi-closed structure, the magnet surrounded, the opening is towards the front of the electromagnetic touch device.
3. electromagnetic touch device according to claim 2, which is characterized in that the section of the magnetic shielding structure is C
Type.
4. electromagnetic touch device according to any one of claim 1-3, which is characterized in that the magnet is set to described
Side outside electromagnetic screen.
5. electromagnetic touch device according to claim 4, which is characterized in that the cross section of the electromagnetic touch device
For rectangle, side where two short sides of rectangle is the upper side and lower side of the electromagnetic touch device respectively, and two of rectangle are long
Side where side is the left and right side of the electromagnetic touch device respectively；The magnet is set to the electromagnetic touch device
Downside.
6. electromagnetic touch device according to claim 5, which is characterized in that the magnet includes close to the electromagnetic type
First magnet of the left side setting of touch device and the second magnet being arranged close to the right side of the electromagnetic touch device.
7. electromagnetic touch device according to claim 6, which is characterized in that further include first circuit board and antenna, institute
It states first circuit board to be set between first magnet and second magnet, the antenna is set to second magnet and described
Between the lower left corner of electromagnetic touch device.
8. electromagnetic touch device according to claim 1, which is characterized in that the magnetic shielding structure is in the electromagnetism
Shield and is close to the electromagnetic screen setting close to the position of the magnet.
9. electromagnetic touch device according to claim 8, which is characterized in that the section of the magnetic shielding structure is
L shape, wherein a line of " L " is close to the back side setting of the electromagnetic screen, another a line is close to the electromagnetic screen described in
The side of magnet is arranged.
10. a kind of electronic reader, including electronic ink screen, which is characterized in that further include according to claim 1 any one of -9
The electromagnetic touch device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841898.9U CN208335167U (en) | 2018-05-31 | 2018-05-31 | Electromagnetic touch device and electronic reader |
| PCT/CN2019/073498 WO2019227959A1 (en) | 2018-05-31 | 2019-01-28 | Electromagnetic touch device and electronic reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841898.9U CN208335167U (en) | 2018-05-31 | 2018-05-31 | Electromagnetic touch device and electronic reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335167U true CN208335167U (en) | 2019-01-04 |
Family
ID=64772806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820841898.9U Active CN208335167U (en) | 2018-05-31 | 2018-05-31 | Electromagnetic touch device and electronic reader |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208335167U (en) |
| WO (1) | WO2019227959A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227959A1 (en) * | 2018-05-31 | 2019-12-05 | 掌阅科技股份有限公司 | Electromagnetic touch device and electronic reader |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932622A (en) * | 2015-06-30 | 2015-09-23 | 青岛海信移动通信技术股份有限公司 | Mobile terminal protective sleeve and mobile terminal system |
| CN206559403U (en) * | 2016-12-22 | 2017-10-13 | 宇龙计算机通信科技(深圳)有限公司 | A kind of mobile communication terminal |
| CN206584336U (en) * | 2017-01-12 | 2017-10-24 | 深圳优派汉王触控科技有限公司 | Electromagnetic touch modular structure and handwriting screen |
| CN207124625U (en) * | 2017-08-08 | 2018-03-20 | 维沃移动通信有限公司 | A kind of mobile terminal Kato mounting structure and mobile terminal |
| CN208335167U (en) * | 2018-05-31 | 2019-01-04 | 掌阅科技股份有限公司 | Electromagnetic touch device and electronic reader |
-
2018
- 2018-05-31 CN CN201820841898.9U patent/CN208335167U/en active Active
-
2019
- 2019-01-28 WO PCT/CN2019/073498 patent/WO2019227959A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227959A1 (en) * | 2018-05-31 | 2019-12-05 | 掌阅科技股份有限公司 | Electromagnetic touch device and electronic reader |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019227959A1 (en) | 2019-12-05 |
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