CN102478985A - Handwriting input device - Google Patents
Handwriting input device Download PDFInfo
- Publication number
- CN102478985A CN102478985A CN2010105658476A CN201010565847A CN102478985A CN 102478985 A CN102478985 A CN 102478985A CN 2010105658476 A CN2010105658476 A CN 2010105658476A CN 201010565847 A CN201010565847 A CN 201010565847A CN 102478985 A CN102478985 A CN 102478985A
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- wall
- touch panel
- circuit board
- housing
- shock
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- 238000013016 damping Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 230000003405 preventing effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 8
- GBUCDGDROYMOAN-UHFFFAOYSA-N 1,2,5-trichloro-3-phenylbenzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C=CC=CC=2)=C1 GBUCDGDROYMOAN-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- CJDNEKOMKXLSBN-UHFFFAOYSA-N 1-chloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1 CJDNEKOMKXLSBN-UHFFFAOYSA-N 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The invention discloses a handwriting input device which belongs to the field of electric digital processing and comprises a housing, a circuit board and a touch panel, wherein the upper surface of the housing is provided with an opening part, the circuit board is arranged on the inner wall of the bottom of the housing, the touch panel is arranged inside the opening part and above the circuit board. The handwriting input device comprises location parts and damping parts, wherein the location parts are positioned on the inner wall of the left side of the housing, and/or the inner wall of the right side of the housing, and/or the inner wall of the bottom of the housing and used for fixing the touch panel or circuit board; and the damping parts are fixed on the surfaces of the location parts and used for reducing vibration of outside to the touch panel and/or circuit board. According to the handwriting input device disclosed by the invention, vibration preventing property of the panel can be improved, and influences of the vibration to the panel are reduced.
Description
Technical Field
The invention belongs to the field of electric digital processing, relates to a handwriting input device, and particularly relates to a touch handwriting input device.
Background
With the continuous emergence of new materials and the development of touch sensor technologies, a technology of recognizing a touch position by using various signals generated when a surface of a panel is touched to realize input is emerging. For example, in patent document 1 (chinese patent publication No. CN1809800A), an apparatus for recognizing a touch input using a vibration signal determines a touch position by sensing vibrations propagating in a touch panel, the vibrations representing a touch applied to the touch panel, a vibration sensitive device such as a piezoelectric sensor for sensing the vibrations, and by selecting the size, shape, placement position, and orientation of the sensor on the touch panel, it is possible to improve the sensitivity of the sensor to vibrations and produce a response symmetrical with respect to the direction of propagation of the vibrations.
Patent document 2 (chinese patent publication No. CN1809800A) discloses a method and apparatus for calculating information on a touch sensor device using vibration of bending waves. The method comprises the following steps: providing a member capable of sustaining bending waves in the touch sensing device, providing a device attached to the member for measuring the propagation of bending waves in the member and thereby determining a measured bending wave signal, and processing the measured bending wave signal to calculate information relating to the touch. The touch sensing device may include a transparent touch sensing panel mounted in front of the display device, on which the stylus may be used to write text or other content, or an acoustic device that may sustain bending wave vibrations, three transducers mounted on the touch sensing panel, and at least two transducers being sensing transducers or sensors to monitor bending wave vibrations in the touch sensing panel and ensure sensitivity to bending wave vibrations.
Further, patent document 3 (chinese patent publication No. CN1187892A) discloses a digital control device including: the touch panel includes a panel drive signal generator, a first multiplexer for selectively outputting a panel drive signal, a four-channel drive unit for generating a channel drive signal to be sent to each corner of the panel, a third multiplexer for selectively outputting a finger touch signal or a stylus pen signal output from a stylus pen, a band-pass filter, a rectifier for rectifying an output of the band-pass filter, a low-pass filter for detecting a basic DC component output from the rectifier, an analog-to-digital converter for outputting an output of the low-pass filter as a coordinate signal in synchronization with a panel drive control signal, and an interface. The device employs a resistive touch screen having a clock signal generating a first frequency and a panel driving signal generating a predetermined second frequency, and can be applied to various shapes other than a rectangular shape.
The technical solutions mentioned in the above patent documents are similar, and all of them are to collect and process signals generated by vibration, but it is known that these devices are subjected to some interference under working environment, such as vibration of surrounding machinery, excessive noise, and even vibration of user's hand, which may affect the accuracy of identifying touch position, and even affect normal touch input.
Disclosure of Invention
In view of the above conventional problems, the present invention provides a handwriting input device capable of effectively suppressing the influence of peripheral mechanical vibration, excessive noise, and vibration of a user's hand on the touch position recognition of a touch panel, and improving the accuracy of input.
The invention provides a handwriting input device, comprising: the upper surface has the shell of opening, is located the circuit board of shell bottom inner wall, and is located the inside touch panel who just is above the circuit board of opening, and the device still includes: a positioning member and a damping member; wherein,
a positioning part which is positioned on the left inner wall, the right inner wall and the bottom inner wall of the shell and is used for fixing the touch panel or the circuit board;
and the shock absorption component is fixed on the surface of the positioning component and is used for reducing the shock of the outside to the touch panel and/or the circuit board.
In the above solution, when the positioning component is located on the left inner wall and/or the right inner wall of the housing, and/or on the left and right corners formed with the bottom inner wall, respectively, the touch panel is fixed to the positioning component through the shock absorbing component.
In the above scheme, the circuit board is fixed on the inner wall of the bottom of the shell through the connecting part.
In the above scheme, when the positioning component is located at the left and right corners formed by the bottom inner wall of the housing and/or the left and right inner walls and the bottom inner wall, the circuit board is fixed to the positioning component through the damping component.
In the above scheme, the touch panel is fixed above the circuit board through a spacer.
In the above scheme, the positioning component and the housing are integrated.
In the above aspect, a sealing member is provided between the touch panel and an inner wall of the opening of the housing.
In the above scheme, the damping component is made of a non-rigid material.
In the above scheme, the shock absorption component is made of any one of plastic materials, textile materials and sponge materials or any combination thereof.
In the above scheme, the damping component is made of an elastic metal material.
In the above scheme, the damping component is composed of a damping spring or a damping elastic sheet.
According to the invention, the touch panel is clamped by the sealing part and the damping part, so that external vibration can be absorbed, the influence of the external vibration on the touch panel is reduced, and the damping performance is improved; in another case, the PCB is clamped by the sealing component and the damping component, and vibration absorbed by the PCB can be transmitted to the touch panel through the flat cable and the like, so that the influence of external vibration on the touch panel is further reduced, and the damping performance is improved.
Drawings
FIG. 1 is a cross-sectional view of a handwriting input device according to a first embodiment of the invention;
fig. 2 is a cross-sectional view of a handwriting input device according to a second embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
The first embodiment:
as shown in fig. 1, a cross-sectional view of a handwriting input device 1 according to a first embodiment of the present invention is shown. The handwriting input apparatus 1 includes: a case 11 having an opening portion 14 on the upper surface, a PCB circuit board 13 located on the inner wall of the bottom of the case, and a touch panel 12 mounted inside the opening portion 14 and above the circuit board 13.
The following describes a structure of the handwriting input device 1 for fixing the touch panel 12. As shown in fig. 1, in the present embodiment, at left and right corners formed by the left and right inner walls and the bottom inner wall of the housing 11, there are provided positioning members 17 for supporting the touch panel 12; of course, a bracket-like member may be used as the positioning member 17 and fixed to any position of the left inner wall, the right inner wall, and/or the bottom inner wall of the housing 11 by screws, fixing bayonets, or the like. In the present invention, the positioning member 17 may be integrated with the housing 11, that is, the positioning member 17 may be a part of the housing 11.
The circuit board 13 is fixed to the bottom inner wall of the housing 11 by a connecting member 18; the touch panel 12 is disposed inside the opening portion 14 of the housing 11 and above the circuit board 13, and is fixed to the positioning member 17 by the damper member 16; a sealing member 15 is provided between the touch panel 12 and the inner wall of the opening 14.
As the shock absorbing member, a non-rigid material or an elastic metal material is preferably used, for example: one or any combination of non-rigid materials such as plastic materials, textile materials, sponge materials and the like can be used, and one or any combination of elastic metal materials such as damping springs or damping elastic pieces can be used.
As described in the first embodiment, the piezoelectric sensor 19 is mounted below the touch panel 12 for sensing vibration propagating in the touch panel 12; by fixing the touch panel 12 between the opening portion 14 and the positioning member 17 and providing the sealing member 15 at the edge of the opening portion 14 and the edge of the touch panel 12, the inside of the handwriting input device 1 can be isolated from the outside, so that dust, moisture and the like can be prevented from entering, the inner PCB 13 can be effectively protected, and aging of circuits, electronic components and the like can be reduced. Further, by providing the damper member 16 between the edge of the back surface of the touch panel 12 and the positioning member 17, the touch panel 12 can be fixed by the seal member 15 and the damper member 16, vibration from the outside can be effectively absorbed, and the vibration resistance performance of the electromagnetic handwriting device 1 can be improved, and when a vibration-sensitive touch panel or a resistive touch panel is used as the touch panel 12, the influence of external mechanical vibration, noise, vibration of the user's hand, and the like on the touch position recognition can be greatly reduced, and the accuracy of the touch position recognition can be improved.
Second embodiment:
next, a configuration of an electromagnetic handwriting device 2 according to a second embodiment of the present invention will be described. Fig. 2 is a cross-sectional view of an electromagnetic handwriting apparatus 2 according to a second embodiment of the present invention. As in the first embodiment, the handwriting input device 2 includes: a housing 21 having an opening portion 24 on an upper surface thereof, a PCB circuit board 23 positioned on an inner wall of a bottom portion of the housing 21, and a touch panel 22 mounted inside the opening portion 24 and above the circuit board 23.
Next, a structure of the handwriting input device 2 for fixing the touch panel 22 will be described. As shown in fig. 2, in the present embodiment, at left and right corners formed by the left and right inner walls and the bottom inner wall of the housing 21, there are provided positioning members 27 for fixing the circuit board 23; of course, a bracket-like member may be used as the positioning member and fixed to any position of the left inner wall, the right inner wall, and/or the bottom inner wall of the housing 21 by screws, fixing bayonets, or the like. In the present invention, the positioning member 27 may be formed integrally with the housing 21, i.e., the positioning member may be formed as a part of the housing 21.
The circuit board 23 is fixed to the positioning member 27 through the shock absorbing member 26, and the touch panel 22 is disposed inside the opening portion 24 and above the circuit board 23, and is fixed on the circuit board 23 through the spacing member 28 to facilitate heat dissipation of the touch panel 22 and the circuit board 23. A sealing member 25 is provided between the touch panel 22 and the inner wall of the opening 24; the same material as that for the cushioning member 16 in the first embodiment can be used for the cushioning member 26.
As described in the second embodiment, the piezoelectric sensor 29 is mounted below the touch panel 22 for sensing vibration propagating in the touch panel 22; the touch panel 22 and the PCB 23 are integrally mounted in a floating manner in the housing 21 by providing a spacer member 28 between the touch panel 22 and the PCB and sandwiching both the touch panel 22 and the PCB 23 between the inner edge of the opening 24 and the positioning member 27. The vibration or the like transmitted from the outside is absorbed by the sealing member 25 and the vibration absorbing member 27, and the vibration resistance performance of the electromagnetic handwriting device 2 is improved, and when the vibration-sensitive touch panel or the resistive touch panel is used as the touch panel 22, the influence of external mechanical vibration, noise, vibration of the user's hand, or the like on the touch position recognition can be greatly reduced.
In addition, in the present embodiment, since the vibration received by the PCB 23 is further reduced, the vibration of the PCB 23 and the like can be further reduced from being transmitted to the touch panel 22 through a flat cable (not shown) or the like connected to the touch panel 22, and the accuracy of the touch position recognition can be further improved.
In addition, the handwriting input devices 1 and 2 are taken as examples for explaining the invention, and persons in the art can understand that the invention can be applied to mobile devices such as mobile phones, palm computers and electronic books.
The touch panels 12 and 22 may be handwriting display panels in which a touch panel and a flat display panel such as a liquid crystal panel are stacked.
The positioning members 17 and 27 are not limited to the above embodiments, and may be fixed to the inner side walls or the inner sides of the upper and lower surfaces of the housing by providing a separate bracket or the like.
The touch panel 12 is fixed by the positioning component 17, or the touch panel 22 and the PCB 23 are fixed by the positioning component 27, so that the influence of external vibration on the panel component can be greatly reduced, the anti-vibration performance of the equipment is enhanced, particularly for panels such as a vibration induction type touch panel and a resistance type touch panel, the interference caused by vibration can be greatly reduced, and the accuracy of touch position identification is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (11)
1. A handwriting input apparatus comprising: the upper surface has the shell of opening, is located the circuit board of shell bottom inner wall and is located the inside touch panel who just is in the circuit board top of opening, its characterized in that, the device still includes: a positioning member and a damping member; wherein,
a positioning part which is positioned on the left inner wall, the right inner wall and the bottom inner wall of the shell and is used for fixing the touch panel or the circuit board;
and the shock absorption component is fixed on the surface of the positioning component and is used for reducing the shock of the outside to the touch panel and/or the circuit board.
2. The apparatus according to claim 1, wherein the touch panel is fixed to the positioning member by the shock absorbing member when the positioning member is located at a left inner wall, and/or a right inner wall, and/or left and right corners formed with a bottom inner wall of the housing, respectively.
3. The apparatus of claim 2, wherein the circuit board is secured to the bottom interior wall of the housing by a connection member.
4. The apparatus of claim 1, wherein the circuit board is fixed to the positioning member by the shock-absorbing member when the positioning member is located at the bottom inner wall of the housing and/or the left and right corners formed by the left and right inner walls and the bottom inner wall, respectively.
5. The apparatus according to claim 4, wherein the touch panel is fixed above the circuit board by a spacer member.
6. A device according to any one of claims 1 to 5, wherein the locating means is integral with the housing.
7. The apparatus according to any one of claims 1 to 5, wherein a sealing member is provided between the touch panel and an inner wall of the opening portion of the housing.
8. The device of any one of claims 1 to 5, wherein the shock absorbing member is a non-rigid material.
9. The device of claim 8, wherein the shock absorbing member is comprised of any one of a plastic type, a textile type, a sponge type, or any combination thereof.
10. The device of any one of claims 1 to 5, wherein the shock absorbing member is a resilient metal material.
11. The device according to claim 10, characterized in that the shock-absorbing means are constituted by shock-absorbing springs, and/or shock-absorbing domes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105658476A CN102478985A (en) | 2010-11-30 | 2010-11-30 | Handwriting input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105658476A CN102478985A (en) | 2010-11-30 | 2010-11-30 | Handwriting input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102478985A true CN102478985A (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105658476A Pending CN102478985A (en) | 2010-11-30 | 2010-11-30 | Handwriting input device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102478985A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105190495A (en) * | 2013-02-08 | 2015-12-23 | 苹果公司 | Force determination based on capacitive sensing |
| US10295562B1 (en) | 2015-03-06 | 2019-05-21 | Apple Inc. | Electronic watch with obscured sensor for detecting an applied force |
| CN109828669A (en) * | 2019-01-31 | 2019-05-31 | 华为技术有限公司 | Press signal processing method and electronic equipment |
| US10379657B2 (en) | 2014-02-12 | 2019-08-13 | Apple Inc. | Force determination employing sheet sensor and capacitive array |
| US10706252B2 (en) | 2013-07-25 | 2020-07-07 | Apple Inc. | Electronic device with strain-based force sensor |
| US10739855B2 (en) | 2016-03-31 | 2020-08-11 | Apple Inc. | Electronic device configured to collect biometric and amount of force data when a user touches a displayed image |
| US10817096B2 (en) | 2014-02-06 | 2020-10-27 | Apple Inc. | Force sensor incorporated into display |
| US10866683B2 (en) | 2018-08-27 | 2020-12-15 | Apple Inc. | Force or touch sensing on a mobile device using capacitive or pressure sensing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763166A (en) * | 2008-12-23 | 2010-06-30 | 捷讯研究有限公司 | Portable electronic device and method of control |
| CN201654609U (en) * | 2010-01-06 | 2010-11-24 | 上海网环信息科技有限公司 | Shock and water resistant device of industrial computer touch screen |
-
2010
- 2010-11-30 CN CN2010105658476A patent/CN102478985A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763166A (en) * | 2008-12-23 | 2010-06-30 | 捷讯研究有限公司 | Portable electronic device and method of control |
| CN201654609U (en) * | 2010-01-06 | 2010-11-24 | 上海网环信息科技有限公司 | Shock and water resistant device of industrial computer touch screen |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105190495A (en) * | 2013-02-08 | 2015-12-23 | 苹果公司 | Force determination based on capacitive sensing |
| US10706252B2 (en) | 2013-07-25 | 2020-07-07 | Apple Inc. | Electronic device with strain-based force sensor |
| US10817096B2 (en) | 2014-02-06 | 2020-10-27 | Apple Inc. | Force sensor incorporated into display |
| US10379657B2 (en) | 2014-02-12 | 2019-08-13 | Apple Inc. | Force determination employing sheet sensor and capacitive array |
| US10739899B2 (en) | 2014-02-12 | 2020-08-11 | Apple Inc. | Force determination employing sheet sensor |
| US10295562B1 (en) | 2015-03-06 | 2019-05-21 | Apple Inc. | Electronic watch with obscured sensor for detecting an applied force |
| US10739855B2 (en) | 2016-03-31 | 2020-08-11 | Apple Inc. | Electronic device configured to collect biometric and amount of force data when a user touches a displayed image |
| US10866683B2 (en) | 2018-08-27 | 2020-12-15 | Apple Inc. | Force or touch sensing on a mobile device using capacitive or pressure sensing |
| CN109828669A (en) * | 2019-01-31 | 2019-05-31 | 华为技术有限公司 | Press signal processing method and electronic equipment |
| CN109828669B (en) * | 2019-01-31 | 2021-12-31 | 华为技术有限公司 | Touch signal processing method and electronic equipment |
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Application publication date: 20120530 |