CN109445621A - A kind of permanent magnetism position indicator - Google Patents
A kind of permanent magnetism position indicator Download PDFInfo
- Publication number
- CN109445621A CN109445621A CN201811562394.4A CN201811562394A CN109445621A CN 109445621 A CN109445621 A CN 109445621A CN 201811562394 A CN201811562394 A CN 201811562394A CN 109445621 A CN109445621 A CN 109445621A
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- Prior art keywords
- soft magnet
- magnet
- side wall
- permanent
- wall soft
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- 230000005389 magnetism Effects 0.000 title claims abstract description 31
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 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
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Toys (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of permanent magnetism position indicators, for pen core, the internal antetheca soft magnet for being the shell of cavity structure and being successively sequentially installed in the cavity structure, permanent magnet, side wall soft magnet, rear wall soft magnet, the support arm of the first lever is formed with the side wall soft magnet, the second lever for being in contact and being flexibly connected with the support arm, the connecting rod connecting with second lever and one end are connect with the connecting rod, the other end is fixed on the spring in the shell, the antetheca soft magnet, side wall soft magnet and rear wall soft magnet form magnetic yoke cavity, the permanent magnet is installed in the magnetic yoke cavity, when the pen core is subjected to displacement by external pressure, the side wall soft magnet can be in the connecting rod, it is flared out under the action of second lever and support arm.The present invention can effectively improve the utilization efficiency of electric flux, greatly prolong the continued power time cycle of battery and realize the versatility between each position indicator.
Description
Technical field
The invention belongs to electromagnetic handwritten input equipment technical fields, more particularly, to a kind of permanent magnetism position indicator.
Background technique
Currently, electromagnetic touch writing device mainly leans on time writer transmitting electromagnetic wave and induction antenna array received electromagnetism
Wave, and calculate to each group antenna array receiver to electromagnetic wave magnetic flux size come determine time writer relative to setting incuding
The coordinate position of panel on aerial array.And position indicator is returned using the electromagnetic wave signal of electric flux transmitting different frequency
The induction antenna array for returning panel, passes through the multiple scanning of panel governor circuit and calculates the electromagnetic wave that induction antenna array received arrives
Magnetic flux, to obtain the coordinate position value of position indicator and write pressure value.
In the prior art, the position indicator of use must continuously repeat transmitting electromagnetic wave, this process needs to consume big
The electricity of amount, especially in portable electromagnetic touch writing device, the utilization efficiency of the energy is very low, substantially reduces electricity
It the continued power time cycle in pond, makes troubles to actual use.In addition, the position indicator transmitting electromagnetic wave of each producer
It centre frequency, transmitting and receives mode and can not unify, cause between the position indicator of each producer mutually not general, limit significantly
Electromagnetism writes the application scenarios of industry.
Summary of the invention
The purpose of the present invention is to provide a kind of permanent magnetism position indicators, can effectively improve the utilization efficiency of electric flux,
It greatly prolongs the continued power time cycle of battery and realizes the versatility between each position indicator.
A kind of permanent magnetism position indicator provided in an embodiment of the present invention, including the pen core for writing, inside is cavity knot
The shell of structure and the antetheca soft magnet being successively sequentially installed in the cavity structure, are enclosed in the permanent magnet at permanent magnet
Side wall soft magnet, rear wall soft magnet, the support arm and the support arm with the side wall soft magnet the first lever of formation of side
It is in contact and the second lever being flexibly connected, the connecting rod that connect with second lever and one end connect with the connecting rod, are another
Hold the spring that is fixed in the shell, the pen core pass through the antetheca soft magnet, permanent magnet and rear wall soft magnet with it is described
Connecting rod is fixedly connected, and the antetheca soft magnet, side wall soft magnet and rear wall soft magnet form magnetic yoke cavity, the permanent magnet installation
In the magnetic yoke cavity, when the pen core is subjected to displacement by external pressure, the side wall soft magnet can be described
It is flared out under the action of connecting rod, the second lever and support arm.
Further, the support arm is fixedly connected with the side wall soft magnet, be provided on the rear wall soft magnet with
The corresponding supporting point of the side wall soft magnet, and the distance of the support arm to the supporting point is greater than the side wall soft magnet and arrives
The distance of the supporting point.
Further, the rear wall soft magnet is fixedly connected on the permanent magnet, the rear wall soft magnet far from it is described forever
Magnet side length be greater than its close to the permanent magnet while side length.
Further, second lever is L-type lever, one section of length of the L-type lever and the support arm contact
Degree is greater than its one section of length connecting with the connecting rod, and the support arm can connect in the L-type lever with the support arm
It is slided on one section of touching.
Further, the rectilinear direction where two magnetic poles of the permanent magnet is consistent with the length direction of the pen core.
Further, the pen core is fabricated by non-magnet material, and the pen core passes through the antetheca soft magnet, forever
The central through hole of magnet and rear wall soft magnet is fixedly connected with the connecting rod.
Further, the permanent magnet is rectangular parallelepiped structure, and the side wall soft magnet is set to four of the permanent magnet
Side.
Further, the antetheca soft magnet is vertebral body structure, and the antetheca soft magnet is fixedly connected on the permanent magnetism
Iron.
Further, the antetheca soft magnet, side wall soft magnet and rear wall soft magnet by pure iron or silicon steel material manufacture and
At.
In conclusion the present invention in the cavity structure of shell successively install antetheca soft magnet, permanent magnet, be enclosed in by sequence
The side wall soft magnet of the permanent magnet side, rear wall soft magnet, the support arm for forming with the side wall soft magnet the first lever, with
The support arm is in contact and the second lever being flexibly connected, the connecting rod that connect with second lever and one end and the connecting rod
Connection, the other end are fixed on the spring in the shell.Wherein, the pen core pass through the antetheca soft magnet, permanent magnet and after
Wall soft magnet is fixedly connected with the connecting rod, and the antetheca soft magnet, side wall soft magnet and rear wall soft magnet form magnetic yoke cavity,
The permanent magnet is installed in the magnetic yoke cavity, and when the pen core is subjected to displacement by external pressure, the side wall is soft
Magnet can be flared out under the action of the connecting rod, the second lever and support arm.
When permanent magnetism position indicator is idle, the magnetic field of permanent magnet be closed in antetheca soft magnet, side wall soft magnet and after
In the magnetic yoke cavity that wall soft magnet surrounds；When permanent magnetism position indicator enables, since side wall soft magnet is flared out, permanent magnet
Magnetic field diffusion, to can judge and calculate the coordinate of permanent magnetism position indicator by the magnetic field strength around detection pen core
Positional value and writing pressure value, can be realized the versatility between each position indicator；Due to permanent magnet magnetic field energy always
In the presence of, therefore the spending of electric flux can be saved, the utilization efficiency of electric flux is effectively improved, the continued power of battery is greatly prolonged
Time cycle.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore should not be viewed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of permanent magnetism position indicator provided in an embodiment of the present invention in closed state.
Fig. 2 is a kind of structural schematic diagram in the on state of permanent magnetism position indicator provided in an embodiment of the present invention.
Icon:
Pen core 100；Shell 200；Antetheca soft magnet 101；Permanent magnet 102；Side wall soft magnet 103；
Rear wall soft magnet 104；Support arm 105；Second lever 106；Connecting rod 107；Spring 108.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative labor, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As depicted in figs. 1 and 2, a kind of permanent magnetism position indicator provided in an embodiment of the present invention, may include for writing
Pen core 100 and it is internal be cavity structure shell 200；And successively sequentially it is installed on the antetheca soft magnetism in the cavity structure
Iron 101, permanent magnet 102, side wall soft magnet 103, rear wall soft magnet 104, support arm 105, the second lever 106, connecting rod 107 and bullet
Spring 108 etc..Wherein, the side wall soft magnet 103 is enclosed in 102 side of permanent magnet；The support arm 105 and the side wall
Soft magnet 103 forms the first lever；Second lever 106 is in contact and is flexibly connected with the support arm 105；The connecting rod
107 connect with second lever 106；Described in one end of the spring 108 is connect with the connecting rod 107, the other end is fixed on
In shell 200.
Preferably, the antetheca soft magnet 101, side wall soft magnet 103 and rear wall soft magnet 104 are by pure iron or silicon steel material
It is fabricated.The permanent magnet 102 because with magnetic energy, the magnetic line of force is exported from the pole N of the permanent magnet 102 to solid space,
And inputted from the pole S of the permanent magnet 102, to make distributed magnetic field around it, and magnetic field strength is determined by its magnetic flux density.Institute
Antetheca soft magnet 101, side wall soft magnet 103 and rear wall soft magnet 104 are stated with magnetic conduction, convergence and the spy for changing magnetic line of force direction
Property.
When implementation, the pen core 100 passes through the antetheca soft magnet 101, permanent magnet 102 and rear wall soft magnet 104 and institute
Connecting rod 107 is stated to be fixedly connected.The antetheca soft magnet 101, side wall soft magnet 103 and rear wall soft magnet 104 form magnetic yoke cavity,
The permanent magnet 102 is installed in the magnetic yoke cavity.It is described when the pen core 100 is subjected to displacement by external pressure
Side wall soft magnet 103 can be flared out under the action of the connecting rod 107, the second lever 106 and support arm 105.
It is understood that functional variation has occurred in entire magnetic field structure after the side wall soft magnet 103 is opened.
For example, the antetheca soft magnet 101 is close to the pole N of the permanent magnet 102, it is magnetized to the pole N of the permanent magnet 102；Institute
State side wall soft magnet 103, rear wall soft magnet 104 is close to the pole S of permanent magnet 102, be magnetized to the pole S of the permanent magnet 102.
If 102 magnetic pole of permanent magnet on the contrary, if it is on the contrary.The magnetic pole of the permanent magnet 102 is changed, and makes it in pen core 100
Surrounding is distributed a large amount of external magnetic field, and the external magnetic field moves in conducting wire detection plate, then magnetic force line cutting occurs, and in the inspection
It surveys on conducting wire and generates induced electromotive force signal, play the role of writing signal transmission.In addition, the permanent magnetism position indicator is in book
When writing, the external force being subject to is bigger, and the angle that the pen core 100 pushes the side wall soft magnet 103 to open is bigger, the outside magnetic of magnetic pole
Field distribution is stronger, realizes that pressure and magnetic field strength are proportional, and the size by detecting calculating magnetic field intensity can restore
The vigour of style in writing etc. of writer.
Specifically, when permanent magnetism position indicator is idle, the magnetic field of permanent magnet 102 is closed in antetheca soft magnet 101, side
In the magnetic yoke cavity that wall soft magnet 103 and rear wall soft magnet 104 surround；When permanent magnetism position indicator enables, since side wall is soft
Magnet 103 is flared out, and the magnetic field diffusion of permanent magnet 102 can be judged and be counted by the magnetic field strength around detection pen core 100
It calculates the coordinate position value of permanent magnetism position indicator and writes pressure value, so as to effectively improve the utilization efficiency of electric flux,
It greatly prolongs the continued power time cycle of battery and realizes the versatility between each position indicator.
Further, the pen core 100 passes through the antetheca soft magnet 101, permanent magnet 102 and rear wall soft magnet 104
Central through hole is fixedly connected with the connecting rod 107.Wherein, the pen core 100 is fabricated by non-magnet material, in favor of its
It is moved freely in the central through hole.
In addition, the support arm 105 is fixedly connected with the side wall soft magnet 103, it is arranged on the rear wall soft magnet 104
There is supporting point corresponding with the side wall soft magnet 103, and the distance of the support arm 105 to the supporting point is greater than the side
Wall soft magnet 103 arrives the distance of the supporting point, to guarantee first lever as laborsaving lever.The rear wall soft magnet 104
It is fixedly connected on the permanent magnet 102, the rear wall soft magnet 104 is leaned on far from the height of 102 one side of permanent magnet greater than it
The height of nearly 102 one side of permanent magnet, to play the role of rotational support etc..
In the present embodiment, in order to reduce space and driving distance, second lever 106 is set as L-type lever, the L
One section of the length that type lever is contacted with the support arm 105 is greater than its one section of length connecting with the connecting rod 107, and institute
Stating support arm 105 can be slided on one section that the L-type lever is contacted with the support arm 105.I.e. described second thick stick
The fulcrum of bar 106 is variable force lever in activity.The moment of starting, the magnetic attraction being subject to are opened in the side wall soft magnet 103
Maximum, second lever 106 is laborsaving lever at this time；As the angle that the side wall soft magnet 103 opens is increasing, institute
It states that permanent magnet leakage field is more, the suction of the side wall soft magnet 103 is reduced, when the support arm 105 arrives and the L-type lever
Contact point length be greater than the L-type lever connect with the connecting rod 107 one section of length when, second lever 106
For laborious lever, the actuating length etc. of the pen core 100 can be saved.
Rectilinear direction where two magnetic poles of the permanent magnet 102 is consistent with the length direction of the pen core 100.Implement
When, the S magnetic pole of the permanent magnet 102 and the direction of N magnetic pole can be exchanged.In this way, making the magnetic force in the magnetic field of the permanent magnet
Line can be vertical as far as possible with external wire cutting, and when the pen core 100 is mobile, the cutting electromotive force signal of generation is stronger, from
And improve detection accuracy.
Preferably, the permanent magnet 102 is rectangular parallelepiped structure, and the side wall soft magnet 103 is set to the permanent magnet 102
Four sides, be conducive to the mechanical closure and unlatching of the side wall soft magnet 103 with permanent magnet 102.The antetheca soft magnet
101 be vertebral body structure, and the antetheca soft magnet 101 is fixedly connected on the permanent magnet 102, is conducive to the permanent magnet 102
Magnetic field to the end extended of the pen core 100, and do not block and write sight etc..
In conclusion the present invention is successively sequentially equipped with antetheca soft magnet 101, permanent magnetism in the cavity structure of shell 200
Iron 102, the side wall soft magnet 103 for being enclosed in 102 side of permanent magnet, rear wall soft magnet 104 and the side wall soft magnet
The support arm 105 of 103 the first levers of formation, the second lever 106 for being in contact and being flexibly connected with the support arm 105 and institute
It states the connecting rod 107 of the second lever 106 connection and one end is connect with the connecting rod 107, the other end is fixed in the shell 200
Spring 108.Wherein, the pen core 100 pass through the antetheca soft magnet 101, permanent magnet 102 and rear wall soft magnet 104 with it is described
Connecting rod 107 is fixedly connected, and the antetheca soft magnet 101, side wall soft magnet 103 and rear wall soft magnet 104 form magnetic yoke cavity, institute
Permanent magnet 102 is stated to be installed in the magnetic yoke cavity, when the pen core 100 is subjected to displacement by external pressure, the side
Wall soft magnet 103 can be flared out under the action of the connecting rod 107, the second lever 106 and support arm 105.
When the permanent magnetism position indicator is idle, the magnetic field of the permanent magnet 102 be closed in antetheca soft magnet 101,
In the magnetic yoke cavity that side wall soft magnet 103 and rear wall soft magnet 104 surround；When permanent magnetism position indicator enables, due to side wall
Soft magnet 103 is flared out, the diffusion of the magnetic field of permanent magnet 102, by the magnetic field strength around detection pen core 100 can judge with
It calculates the coordinate position value of permanent magnetism position indicator and writes pressure value, can be realized general between each position indicator
Property；Since the magnetic field energy of permanent magnet exists always, the spending of electric flux can be saved, effectively improves the utilization of electric flux
Efficiency greatly prolongs the continued power time cycle of battery.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of permanent magnetism position indicator, which is characterized in that including the pen core for writing, inside be the shell of cavity structure with
And antetheca soft magnet, the permanent magnet, the side wall for being enclosed in the permanent magnet side being successively sequentially installed in the cavity structure
Soft magnet, rear wall soft magnet form the support arm of the first lever with the side wall soft magnet, are in contact and live with the support arm
It moves the second lever connected, the connecting rod connecting with second lever and one end is connect with the connecting rod, the other end is fixed on institute
The spring in shell is stated, the pen core passes through the antetheca soft magnet, permanent magnet and rear wall soft magnet and the fixed company of the connecting rod
It connects, the antetheca soft magnet, side wall soft magnet and rear wall soft magnet form magnetic yoke cavity, and the permanent magnet is installed on the magnetic yoke
In cavity, when the pen core is subjected to displacement by external pressure, the side wall soft magnet can be in the connecting rod, the second thick stick
It is flared out under the action of bar and support arm.
2. permanent magnetism position indicator according to claim 1, which is characterized in that the support arm and the side wall soft magnet
It is fixedly connected, is provided with supporting point corresponding with the side wall soft magnet on the rear wall soft magnet, and the support arm is to institute
State distance of the distance greater than the side wall soft magnet to the supporting point of supporting point.
3. permanent magnetism position indicator according to claim 2, which is characterized in that the rear wall soft magnet is fixedly connected on institute
State permanent magnet, the rear wall soft magnet far from the permanent magnet side length be greater than its side close to the permanent magnet while
It is long.
4. permanent magnetism position indicator according to claim 1, which is characterized in that second lever is L-type lever, described
L-type lever is greater than its one section of length connecting with the connecting rod, the support with one section of length of the support arm contact
Arm can be slided on one section with the support arm contact of the L-type lever.
5. permanent magnetism position indicator according to claim 1, which is characterized in where two magnetic poles of the permanent magnet
Rectilinear direction is consistent with the length direction of the pen core.
6. permanent magnetism position indicator according to claim 1, which is characterized in that the pen core by non-magnet material manufacture and
At, and the pen core passes through central through hole and the fixed company of the connecting rod of the antetheca soft magnet, permanent magnet and rear wall soft magnet
It connects.
7. permanent magnetism position indicator according to claim 1, which is characterized in that the permanent magnet is rectangular parallelepiped structure, institute
State four sides that side wall soft magnet is set to the permanent magnet.
8. permanent magnetism position indicator according to claim 1, which is characterized in that the antetheca soft magnet is vertebral body structure,
And the antetheca soft magnet is fixedly connected on the permanent magnet.
9. permanent magnetism position indicator according to claim 1-8, which is characterized in that the antetheca soft magnet, side
Wall soft magnet and rear wall soft magnet are fabricated by pure iron or silicon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562394.4A CN109445621B (en) | 2018-12-20 | 2018-12-20 | Permanent magnet position indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562394.4A CN109445621B (en) | 2018-12-20 | 2018-12-20 | Permanent magnet position indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109445621A true CN109445621A (en) | 2019-03-08 |
| CN109445621B CN109445621B (en) | 2023-11-28 |
Family
ID=65559803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562394.4A Active CN109445621B (en) | 2018-12-20 | 2018-12-20 | Permanent magnet position indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109445621B (en) |
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| US20090084614A1 (en) * | 2007-09-28 | 2009-04-02 | Wacom Co., Ltd. | Position indicator and coordinate input device |
| US20100207607A1 (en) * | 2009-02-17 | 2010-08-19 | Wacom Co., Ltd. | Position indicator, circuit component and input device |
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| CN201903855U (en) * | 2010-12-24 | 2011-07-20 | 汉王科技股份有限公司 | Electromagnetic pen |
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| CN106201025A (en) * | 2016-06-28 | 2016-12-07 | 深圳市绘王动漫科技有限公司 | Electronic handwriting pen and electronic handwritten system |
| CN206489527U (en) * | 2016-09-22 | 2017-09-12 | 高鑫 | A kind of magnetic field adjusting device of permanent magnet |
| CN107861641A (en) * | 2016-09-22 | 2018-03-30 | 高鑫 | A kind of magnetic field adjusting device of permanent magnet |
| CN208999973U (en) * | 2018-12-20 | 2019-06-18 | 四川仪岛科技有限公司 | A kind of permanent magnetism position indicator |
-
2018
- 2018-12-20 CN CN201811562394.4A patent/CN109445621B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090084614A1 (en) * | 2007-09-28 | 2009-04-02 | Wacom Co., Ltd. | Position indicator and coordinate input device |
| US20100207607A1 (en) * | 2009-02-17 | 2010-08-19 | Wacom Co., Ltd. | Position indicator, circuit component and input device |
| CN201662785U (en) * | 2010-03-29 | 2010-12-01 | 汉王科技股份有限公司 | Coordinate indicator with replaceable pen head |
| CN201903855U (en) * | 2010-12-24 | 2011-07-20 | 汉王科技股份有限公司 | Electromagnetic pen |
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| CN206489527U (en) * | 2016-09-22 | 2017-09-12 | 高鑫 | A kind of magnetic field adjusting device of permanent magnet |
| CN107861641A (en) * | 2016-09-22 | 2018-03-30 | 高鑫 | A kind of magnetic field adjusting device of permanent magnet |
| CN208999973U (en) * | 2018-12-20 | 2019-06-18 | 四川仪岛科技有限公司 | A kind of permanent magnetism position indicator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109445621B (en) | 2023-11-28 |
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