CN106933392A - Active capacitance pen and its emitting head - Google Patents
Active capacitance pen and its emitting head Download PDFInfo
- Publication number
- CN106933392A CN106933392A CN201710163596.0A CN201710163596A CN106933392A CN 106933392 A CN106933392 A CN 106933392A CN 201710163596 A CN201710163596 A CN 201710163596A CN 106933392 A CN106933392 A CN 106933392A
- Authority
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- China
- Prior art keywords
- conductor
- mainboard
- screw thread
- spring
- external screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 86
- 239000008358 core component Substances 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 10
- 238000005034 decoration Methods 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 3
- 238000000605 extraction Methods 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035945 sensitivity Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The invention discloses a kind of emitting head of active capacitance pen,Including being electrically connected with the pen core component of mainboard and being arranged on the conductor nib that front end is set in outside pen core component,The mainboard is arranged in an inner housing,The afterbody of the pen core component is slidably arranged in the front end of inner housing,The afterbody of the pen core component is through inner housing elastic connection on the signal receiving end of mainboard,The front end of the inner housing is provided with the first external screw thread,First external thread sleeve is provided with a spring signal lead-out wire,The spring signal lead-out wire is set in the spring of the first external screw thread root and the lead-out wire for being electrically connected with mainboard signal transmitting terminal is drawn from spring one end including screw thread,The first external screw thread external screw thread is connected with a conductor sleeve and the conductor sleeve is compressed the spring of spring signal lead-out wire,The conductor sleeve other end threaded connection conductor nib.The invention also discloses the capacitance pen with above-mentioned emitting head.The present invention has the advantages that stable work in work, stablizes with good.
Description
Technical field
The present invention relates to capacitance pen, more particularly, to a kind of stable work in work, with good stable electric conductivity
Active capacitance pen and its emitting head.
Background technology
With the development and progress of science and technology, user requires more and more higher to the input mode of mobile phone peace plate computer, at present
Touch input equipment is mainly touch screens and capacitance plate on the market.It is high and easily realize the excellent of multi-point touch that capacitance plate possesses sensitivity
Point, just gradually substitutional resistance screen turns into main flow touch-control input screen for it, when the conducting objects (such as finger) of ground connection are near capacitance plate,
The value of the mutual capacitance between influence driving electrodes and detecting electrode, detecting electrode realizes that touch-control is determined by detecting the capacitance variations
Position, and with the development of capacitance plate, corresponding capacitance pen demand is also more and more wider.
The output signal of current capacitance pen nib active on the market is poor or unstable, it is impossible to while compatible all kinds of mobile phones,
Panel computer, does not accomplish an effect for compatible heterogenous, because it has the following disadvantages：
1. use elastic ejecting pin as buffering and electric conductor, easily occur conductive bad；
2. it is unreliable to be insulated between emitting head and decoration, easily short circuit；
3. structure is defective, it may appear that the situation of job insecurity.
The content of the invention
To overcome the shortcoming of prior art, present invention aim at a kind of stable work in work of offer, with good stabilization
Active capacitance pen and its emitting head.
The present invention realizes that a kind of emitting head of active capacitance pen, including electric connection is led by following technical measures
The pen core component of plate is arranged in an inner housing with the conductor nib that front end is set in outside pen core component, the mainboard is arranged on,
The afterbody of the pen core component is slidably arranged in the front end of inner housing, and the afterbody of the pen core component passes through inner housing elastic connection
On the signal receiving end of mainboard, the front end of the inner housing is provided with the first external screw thread, and first external thread sleeve is provided with
One spring signal lead-out wire, the spring signal lead-out wire including screw thread be set in the first external screw thread root spring and
The lead-out wire for being electrically connected with mainboard signal transmitting terminal is drawn from spring one end, the first external screw thread external screw thread is connected with one and leads
Body sleeve simultaneously makes the conductor sleeve compress the spring of spring signal lead-out wire, the conductor sleeve other end threaded connection
Conductor nib.
Used as a kind of preferred embodiment, the pen core component includes connecting cylinder, and the connecting cylinder is coated with conductive layer for outer surface
Insulating materials, one end interior insulation of the connecting cylinder is connected with a conductor nib, electrically connects outside the other end of the connecting cylinder
A hollow fixed seat is connected to, is electrically connected between the tail end of the fixed seat and the earth terminal of mainboard and is provided with a spring, institute
State conductor nib and be electrically connected with an electric wire, the electric wire is received through the signal that mainboard is electrically connected at after connecting cylinder, fixed seat
On end, the electric wire bending is connected between conductor nib and mainboard.
Used as a kind of preferred embodiment, being abutted in the conductor nib has a conductor barrel mast, and the conductor barrel mast other end sets
The second external screw thread is equipped with, the end of the conductor sleeve two is threadedly coupled the second external screw thread of the first external screw thread sum respectively.
Used as a kind of preferred embodiment, the inner housing includes upper shell and lower house, the mainboard be fixed on upper shell and
Between lower house.
As a kind of preferred embodiment, a diameter of 0.5mm~3.0mm of head end of the pen core component.
The invention also discloses a kind of active capacitance pen, including metal pen container, the front end of the metal pen container is by exhausted
Edge pad is connected with conductor nib, and inner housing is provided with the metal pen container, and a mainboard is provided with the inner housing, described
Mainboard is electrically connected with metal pen container, and the pen core component of an electric connection mainboard, the pen core group are equipped with the conductor nib
The afterbody of part is slidably arranged in the front end of inner housing, and the afterbody of the pen core component passes through inner housing elastic connection in the letter of mainboard
On number receiving terminal, the front end of the inner housing is provided with the first external screw thread, and first external thread sleeve is provided with spring letter
Number lead-out wire, the spring signal lead-out wire is set in the spring of the first external screw thread root and from spring one including screw thread
The lead-out wire for being electrically connected with mainboard signal transmitting terminal is drawn at end, and the first external screw thread external screw thread is connected with a conductor sleeve and makes
The conductor sleeve compresses the spring of spring signal lead-out wire, the conductor sleeve other end threaded connection conductor nib.
Used as a kind of preferred embodiment, the pen core component includes connecting cylinder, and the connecting cylinder is coated with conductive layer for outer surface
Insulating materials, one end interior insulation of the connecting cylinder is connected with a conductor nib, electrically connects outside the other end of the connecting cylinder
A hollow fixed seat is connected to, is electrically connected between the tail end of the fixed seat and the earth terminal of mainboard and is provided with a spring, institute
State conductor nib and be electrically connected with an electric wire, the electric wire is received through the signal that mainboard is electrically connected at after connecting cylinder, fixed seat
On end, the electric wire bending is connected between conductor nib and mainboard.
Used as a kind of preferred embodiment, being abutted in the conductor nib has a conductor barrel mast, and the conductor barrel mast other end sets
The second external screw thread is equipped with, the end of the conductor sleeve two is threadedly coupled the second external screw thread of the first external screw thread sum respectively.
Used as a kind of preferred embodiment, the front end of the metal pen container is connected with a cone barrel decoration, institute by quoit
State cone barrel decoration and conductor nib is connected by insulation spacer.
As a kind of preferred embodiment, an at least insulated ring is arranged with outside the conductor barrel mast.
The emitting head that the present invention is passes through the afterbody elastic connection of pen core component on the earth terminal of mainboard, so as to be pen core
Component provides the electric conductivity that good stabilization is provided between buffer spring, and shell and the earth terminal of mainboard for pen core component
Can, the pen core component stability conductive with mainboard can be improve；Conductor nib is electrically connected with using conductor sleeve, and makes conductor set
The other end of cylinder is connected through a screw thread inner housing so as to compress the spring of simultaneously holddown spring formula signal lead-out wire, spring signal
The lead-out wire connection mainboard signal transmitting terminal of lead-out wire, reaches the conduction of conductor nib (signal transmitting terminal) and the good stabilization of mainboard
Performance.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the present invention.
Fig. 2 is the sectional view of the embodiment of the present invention.
Fig. 3 is the structural representation of embodiment of the present invention pen core component.
Fig. 4 is the profile of embodiment of the present invention pen core component.
Specific embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.
A kind of active capacitance pen, referring to figs. 1 to Fig. 2, including metal pen container 5, the front end of the metal pen container 5 is by exhausted
Edge pad 2 is connected with conductor nib 1, the metal pen container 5 and is provided with same upper shell 10 and the fastening of lower house 11
Housing, is fixed with a mainboard 13 between upper shell 10 and lower house 11, the mainboard 13 passes through an elastic force electric conductor 12 and mainboard
13 earth terminal is turned on, and the metal pen container 5 external with inner casing is set in is contradicted so as to be electrically connected with metal pen container 5, described to lead
The pen core component 100 of an electric connection mainboard 13 is equipped with body nib 1, the afterbody of the pen core component 100 is slidably arranged in
In the sleeve of inner housing front end, the afterbody of the pen core component 100 through inner housing elastic connection on the earth terminal of mainboard 13, institute
The first external screw thread is provided with outside the sleeve for stating inner housing front end, first external thread sleeve is provided with a spring signal lead-out wire
9, the spring signal lead-out wire 9 including screw thread be set in the first external screw thread root spring and from spring one end draw
The lead-out wire of the signal transmitting terminal of mainboard 13 is electrically connected with, the first external screw thread external screw thread is connected with a conductor sleeve 8 and makes to lead
The screw thread of body sleeve 8 compresses the spring of spring signal lead-out wire 9, the other end of the conductor sleeve 8 threaded connection conductor nib
1。
The emitting head of this capacitance pen passes through the afterbody elastic connection of pen core component 100 on the earth terminal of mainboard 13, so that
It is that pen core component 100 is provided and provided between buffer spring, and shell and the earth terminal of mainboard for pen core component 100 good steady
Fixed electric conductivity, can improve the stability of pen core component 100 and the conduction of mainboard 13；It is electrically connected with using conductor sleeve 8 and is led
Body nib 1, and the other end of conductor sleeve 8 is connected through a screw thread inner housing so as to compress simultaneously holddown spring formula signal lead-out wire
9 spring, the lead-out wire connection signal transmitting terminal of mainboard 13 of spring signal lead-out wire 9, (signal is sent out to reach conductor nib 1
Penetrate end) and the good stable electric conductivity of mainboard.
In the active capacitance pen of the present embodiment, with reference to Fig. 3 to Fig. 4, on the basis of previous technique scheme specifically also
Can be that pen core component 100 includes connecting cylinder 15, and the connecting cylinder 15 is coated with the insulating materials of conductive layer for outer surface, described
One end interior insulation of connecting cylinder 15 is connected with a conductor nib 14, and it is hollow to be electrically connected with one outside the other end of the connecting cylinder 15
Fixed seat 16, between the tail end of the fixed seat 16 and the earth terminal of mainboard 13 be electrically connected be provided with a spring 18, it is described
Conductor nib 14 is electrically connected with an electric wire 17, and the electric wire 17 is electrically connected at mainboard 13 after passing through connecting cylinder 15, fixed seat 16
Earth terminal on, the conductor nib 14 by electric wire 17 bend be connected on the receiving terminal of mainboard 13.Conductor nib 14 and company
The electric wire 17 for connecing the signal receiving end of mainboard 13 forms the receiving circuit of product, and connecting cylinder 15, fixed seat 16 and connection mainboard 13 connect
The spring 18 of ground terminal forms earthed circuit, and is that pen core component 100 provides buffer spring by spring 18, so as to improve pen
The stability of core assembly 100 and the conduction of mainboard 13.
In the active capacitance pen of the present embodiment, referring to figs. 1 to Fig. 2, on the basis of previous technique scheme specifically also
Can be that being abutted in conductor nib 1 has a conductor barrel mast 7, and the other end of conductor barrel mast 7 is provided with the second external screw thread, described
The end of conductor sleeve 8 two is threadedly coupled the second external screw thread of the first external screw thread sum respectively, and the front end of metal pen container 5 passes through quoit 4
A cone barrel decoration 3 is connected with, the cone barrel decoration 3 connects conductor nib 1 by insulation spacer 2, outside conductor barrel mast 7
It is arranged with an at least insulated ring 6.Insulated ring 6 is sheathed on outside conductor barrel mast 7, prevents transmitting terminal conductor barrel mast 7 from being decorated with cone barrel
It is short-circuited between part 3, ultra-thin insulation spacer 2 is located between cone barrel decoration 3 and conductor nib 1, prevents cone cylinder shape dress
It is short-circuited between gadget 3 and conductor nib 1, conductor nib 1 crimps conductor barrel mast 7 by interference fit, makes to be formed between it
The electric conductivity of good stabilization.
In the active capacitance pen of the present embodiment, referring to figs. 1 to Fig. 4, on the basis of previous technique scheme specifically also
Can be, 1 a diameter of 0.5mm~3.0mm of conductor nib of pen core component 100.
Above is being set forth the emitting head of active capacitance pen of the invention, it is used to help understand the present invention, but this
The implementation method of invention is simultaneously not restricted to the described embodiments, it is any without departing from the change made under the principle of the invention, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, be included within protection scope of the present invention.
Claims (10)
1. a kind of emitting head of active capacitance pen, it is characterised in that：Including being electrically connected with the pen core component of mainboard and being arranged on
Front end is set in the conductor nib outside pen core component, and the mainboard is arranged in an inner housing, and the afterbody of the pen core component is slided
The dynamic front end for being arranged on inner housing, the afterbody of the pen core component passes through inner housing elastic connection in the signal receiving end of mainboard
On, the front end of the inner housing is provided with the first external screw thread, and first external thread sleeve is provided with a spring signal lead-out wire,
The spring signal lead-out wire including screw thread be set in the first external screw thread root spring and from spring one end draw electricity
Property connection mainboard signal transmitting terminal lead-out wire, the first external screw thread external screw thread is connected with a conductor sleeve and makes the conductor
Sleeve compresses the spring of spring signal lead-out wire, the conductor sleeve other end threaded connection conductor nib.
2. the emitting head of active capacitance pen according to claim 1, it is characterised in that：The pen core component includes connection
Cylinder, the connecting cylinder is coated with the insulating materials of conductive layer for outer surface, and one end interior insulation of the connecting cylinder is connected with a conductor
Nib, is electrically connected with a hollow fixed seat, the tail end of the fixed seat and connecing for mainboard outside the other end of the connecting cylinder
It is electrically connected between ground terminal and is provided with a spring, the conductor nib is electrically connected with an electric wire, the electric wire passes through connecting cylinder, consolidates
It is electrically connected on the signal receiving end of mainboard after reservation, the electric wire bending is connected between conductor nib and mainboard.
3. the emitting head of active capacitance pen according to claim 1 and 2, it is characterised in that：Supported in the conductor nib
A conductor barrel mast is connected to, the conductor barrel mast other end is provided with the second external screw thread, and the end of the conductor sleeve two difference screw thread connects
Connect the second external screw thread of the first external screw thread sum.
4. the emitting head of active capacitance pen according to claim 1 and 2, it is characterised in that：The inner housing includes upper
Housing and lower house, the mainboard are fixed between upper shell and lower house.
5. the emitting head of active capacitance pen according to claim 1 and 2, it is characterised in that：The head of the pen core component
Hold a diameter of 0.5mm~3.0mm.
6. a kind of active capacitance pen, it is characterised in that：Including metal pen container, the front end of the metal pen container passes through insulation spacer
Conductor nib is connected with, inner housing is provided with the metal pen container, a mainboard, the mainboard electricity are provided with the inner housing
Property connection metal pen container, the pen core component of an electric connection mainboard, the tail of the pen core component are equipped with conductor nib
Portion is slidably arranged in the front end of inner housing, and the afterbody of the pen core component passes through inner housing elastic connection to be received in the signal of mainboard
On end, the front end of the inner housing is provided with the first external screw thread, and first external thread sleeve is provided with spring signal extraction
Line, the spring signal lead-out wire including screw thread be set in the first external screw thread root spring and from spring one end draw
The lead-out wire of mainboard signal transmitting terminal is electrically connected with, the first external screw thread external screw thread is connected with a conductor sleeve and makes described leading
Body sleeve compresses the spring of spring signal lead-out wire, the conductor sleeve other end threaded connection conductor nib.
7. active capacitance pen according to claim 6, it is characterised in that：The pen core component includes connecting cylinder, described
Connecting cylinder is coated with the insulating materials of conductive layer for outer surface, and one end interior insulation of the connecting cylinder is connected with a conductor nib, institute
State and a hollow fixed seat is electrically connected with outside the other end of connecting cylinder, between the tail end of the fixed seat and the earth terminal of mainboard
Electric connection is provided with a spring, and the conductor nib is electrically connected with an electric wire, and the electric wire passes through electricity after connecting cylinder, fixed seat
Property is connected on the signal receiving end of mainboard, and the electric wire bending is connected between conductor nib and mainboard.
8. the active capacitance pen according to claim 6 or 7, it is characterised in that：Abutted in the conductor nib and led
Body barrel mast, the conductor barrel mast other end is provided with the second external screw thread, and the end of the conductor sleeve two is threadedly coupled outside first respectively
Second external screw thread of screw thread sum.
9. the active capacitance pen according to claim 6 or 7, it is characterised in that：The front end of the metal pen container is by gold
Category circle is connected with a cone barrel decoration, and the cone barrel decoration connects conductor nib by insulation spacer.
10. active capacitance pen according to claim 8 and its emitting head, it is characterised in that：The conductor barrel mast overcoat
It is provided with an at least insulated ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163596.0A CN106933392A (en) | 2017-03-20 | 2017-03-20 | Active capacitance pen and its emitting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163596.0A CN106933392A (en) | 2017-03-20 | 2017-03-20 | Active capacitance pen and its emitting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106933392A true CN106933392A (en) | 2017-07-07 |
Family
ID=59433408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710163596.0A Pending CN106933392A (en) | 2017-03-20 | 2017-03-20 | Active capacitance pen and its emitting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106933392A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109857269A (en) * | 2019-03-08 | 2019-06-07 | 汉王科技股份有限公司 | Signal for capacitance pen sends structure and capacitance pen |
| CN110109559A (en) * | 2019-04-29 | 2019-08-09 | 刘容 | Telescopic active capacitance pen and its application method |
| CN110321018A (en) * | 2019-08-09 | 2019-10-11 | 北京科加触控技术有限公司 | A kind of written and capacitance pen |
| CN110333792A (en) * | 2019-08-09 | 2019-10-15 | 北京科加触控技术有限公司 | A kind of interior frame apparatus and capacitance pen |
| CN110471541A (en) * | 2018-12-25 | 2019-11-19 | 深圳金曦宏科技有限公司 | A kind of active capacitance plate stylus, induction nib and its manufacturing method |
| CN112005199A (en) * | 2018-05-25 | 2020-11-27 | 株式会社和冠 | Electronic pen |
| CN113031794A (en) * | 2021-04-09 | 2021-06-25 | 迎客松笔业科技研发中心深圳有限公司 | Simplified pen refill module and preparation method thereof |
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| CN204726086U (en) * | 2015-04-30 | 2015-10-28 | 深圳市朗恒电子有限公司 | Tactics pen |
| CN205594600U (en) * | 2016-04-22 | 2016-09-21 | 立迈科技股份有限公司 | Active pressure electric capacity touch -control pen |
| CN205992213U (en) * | 2016-06-30 | 2017-03-01 | 立迈科技股份有限公司 | Active capacitive touch pen |
| CN107145247A (en) * | 2017-03-17 | 2017-09-08 | 吴月容 | Active capacitance pen and its emitting head |
| CN206672055U (en) * | 2017-03-17 | 2017-11-24 | 吴月容 | Active capacitance pen and its emitting head |
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2017
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| CN203025655U (en) * | 2012-12-26 | 2013-06-26 | 东莞市蓝光塑胶模具有限公司 | Capacitive pen |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112005199A (en) * | 2018-05-25 | 2020-11-27 | 株式会社和冠 | Electronic pen |
| CN112005199B (en) * | 2018-05-25 | 2024-04-09 | 株式会社和冠 | Electronic pen |
| CN110471541A (en) * | 2018-12-25 | 2019-11-19 | 深圳金曦宏科技有限公司 | A kind of active capacitance plate stylus, induction nib and its manufacturing method |
| CN110471541B (en) * | 2018-12-25 | 2024-05-03 | 深圳金曦宏科技有限公司 | Active capacitive screen touch pen, sensing pen point and manufacturing method thereof |
| CN109857269A (en) * | 2019-03-08 | 2019-06-07 | 汉王科技股份有限公司 | Signal for capacitance pen sends structure and capacitance pen |
| CN110109559A (en) * | 2019-04-29 | 2019-08-09 | 刘容 | Telescopic active capacitance pen and its application method |
| CN110321018A (en) * | 2019-08-09 | 2019-10-11 | 北京科加触控技术有限公司 | A kind of written and capacitance pen |
| CN110333792A (en) * | 2019-08-09 | 2019-10-15 | 北京科加触控技术有限公司 | A kind of interior frame apparatus and capacitance pen |
| CN110333792B (en) * | 2019-08-09 | 2024-03-29 | 北京科加触控技术有限公司 | Inner frame device and capacitance pen |
| CN113031794A (en) * | 2021-04-09 | 2021-06-25 | 迎客松笔业科技研发中心深圳有限公司 | Simplified pen refill module and preparation method thereof |
| CN113031794B (en) * | 2021-04-09 | 2022-06-17 | 迎客松笔业科技研发中心深圳有限公司 | Simplified pen refill module and preparation method thereof |
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Application publication date: 20170707 |