CN111857442A - Signal filtering device for touch screen - Google Patents
Signal filtering device for touch screen Download PDFInfo
- Publication number
- CN111857442A CN111857442A CN202010674011.3A CN202010674011A CN111857442A CN 111857442 A CN111857442 A CN 111857442A CN 202010674011 A CN202010674011 A CN 202010674011A CN 111857442 A CN111857442 A CN 111857442A
- Authority
- CN
- China
- Prior art keywords
- touch screen
- frame
- touch
- sound wave
- mounting
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000008093 supporting effect Effects 0.000 claims description 39
- 238000005266 casting Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
- G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a signal filtering device for a touch screen, which comprises a touch screen mounting frame and a touch screen structure arranged in the touch screen mounting frame, wherein the touch screen mounting frame is fixedly arranged on equipment, the equipment is provided with a mounting notch, the front sides of the left side wall and the right side wall of the mounting notch are provided with clamping groove structures, the side wall of the mounting notch at the rear side of each clamping groove structure is provided with a sealing groove structure, the sealing groove is of a frame-shaped notch structure with a semicircular cross section, the touch screen mounting frame is composed of a frame body and a panel structure, and the upper end of the frame body part is provided with an air cavity; the acoustic wave signal filtering membrane formed by the first unit and the second unit is attached to the surface of the touch screen, the transverse acoustic wave channel is formed in the first unit, the vertical acoustic wave channel is formed in the second unit, and therefore the influence of external mechanical waves on mechanical waves generated by the acoustic wave generating module is reduced, and the sensing accuracy of the touch screen is improved.
Description
Technical Field
The invention relates to the technical field related to touch screens, in particular to a signal filtering device for a touch screen.
Background
As a latest computer input device, the touch screen is a simple, convenient and natural man-machine interaction mode. It gives multimedia a new appearance, and is a very attractive new multimedia interaction device, which is roughly divided into four types, namely an infrared type, a resistive type, a surface acoustic wave type and a capacitive type touch screen, wherein the surface acoustic wave type is most widely used, and the surface acoustic wave is a mechanical wave propagating along the surface of a medium. The touch screen is comprised of a touch screen, an acoustic wave generator, a reflector and an acoustic wave receiver, wherein the acoustic wave generator is capable of transmitting a high frequency acoustic wave across the surface of the screen, and when a finger touches the screen, the acoustic wave at the touch point is blocked, thereby determining the coordinate position. Surface acoustic wave touch-sensitive screen does not receive environmental factor influences such as temperature, humidity, and the resolution ratio is high, has fabulous scratch resistance, but its easy influence that receives external sound wave when using to the deviation appears in the contact position that finally leads to the touch-sensitive screen, thereby influences user's normal operating, and traditional touch-sensitive screen all is embedded integrative installation, thereby leads to its later stage to dismantle the maintenance comparatively troublesome.
Disclosure of Invention
The present invention is directed to a signal filtering apparatus for a touch screen, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a signal filtering device for a touch screen comprises a touch screen mounting frame and a touch screen structure arranged in the touch screen mounting frame, wherein the touch screen mounting frame is fixedly arranged on equipment, the equipment is provided with a mounting notch, the front side of the left side wall and the right side wall of the mounting notch is provided with a clamping groove structure, the side wall of the mounting notch at the rear side of the clamping groove structure is provided with a sealing groove structure, the sealing groove is of a frame-shaped notch structure with a semicircular cross section, the touch screen mounting frame is composed of a frame body and a panel structure, the upper end of the frame body part is provided with an air cavity, the two sides of the air cavity are symmetrically provided with connecting cavities, the two side parts of the frame body of the touch screen mounting frame are provided with mounting grooves, the outer side wall of each mounting groove is provided with a movable groove, the upper end of each mounting groove is communicated with the connecting cavity, the bottom surface of the notch of each, and a supporting air bag is movably arranged in the mounting groove, and the touch screen structure is composed of a touch screen and a sound wave signal filtering membrane.
Preferably, the lateral wall of the supporting airbag is corrugated, the bottom surface of the supporting airbag is fixedly connected with a bottom plate, the top surface of the supporting airbag is fixedly connected with a supporting plate, a group of guide rod holes are symmetrically formed in two sides of the supporting plate, the inner side surface of the bottom plate is fixedly connected to the bottom surface of the notch of the mounting groove, an air inlet is formed in the inner side surface of the bottom plate, the air inlet is communicated with an inner cavity of the supporting airbag, and the end part of the air inlet is communicated with the cavity of the air cavity through an air pipe arranged in the connecting cavity.
Preferably, the bottom plate is close to outside fixed surface welding and is had the guide arm, the position of guide arm is corresponding with the guide arm hole position in the backup pad, and the guide arm passes from the guide arm hole, and the cover is equipped with supporting spring on the body of rod of guide arm, supporting spring's one end is connected with the surface of the outside of leaning on of bottom plate, and its other end is connected with the inside surface of leaning on of backup pad.
Preferably, the outer side surface of the supporting plate is fixedly connected with a limiting block, the cross section of the limiting block is formed by combining a rectangle and an isosceles trapezoid, the cross section of the limiting block is matched with the cross section of the clamping groove structure, and the positions of the limiting block and the clamping groove structure are corresponding.
Preferably, the frame body of touch-sensitive screen installing frame is provided with the gasbag groove by rear side position department, the gasbag groove is semicircular frame form notch for the cross-section, and the position of its notch is corresponding with the position of seal groove structure, and is provided with sealed gasbag in the gasbag groove, and the inlet end of sealed gasbag is linked together through admission line and air cavity, the appearance and the gasbag groove of sealed gasbag coincide mutually, and the fixed cementing of its lateral wall and the lateral wall in gasbag groove.
Preferably, an air inlet channel is formed in the front side face of the air cavity, an air valve is arranged at the front end of the air inlet channel, a barometer is arranged in the cavity of the air cavity, a pressure display unit of the barometer is arranged on one side of the touch screen installation frame on the instrument equipment and is connected with a PLC control system through an electric signal, and an electric signal of a signal output end of the PLC control system is connected with an alarm.
Preferably, sound wave signal filtration membrane has the casting of sound wave shielding material to form, and its membrane body divide into two parts of first unit and second unit, and its second unit laminating touch-sensitive screen sets up, and horizontal sound wave passageway has been seted up to the horizontal direction on the membrane body of first unit, and vertical sound wave passageway has been seted up to the vertical direction of the second unit membrane body, the upside of horizontal sound wave passageway left side and vertical sound wave passageway all is provided with the sound wave generation module, and the downside of horizontal sound wave passageway right side and vertical sound wave passageway all corresponds and is provided with sound wave receiving module.
Compared with the prior art, the invention has the beneficial effects that:
1. the surface of the touch screen is attached with the acoustic wave signal filtering membrane formed by the first unit and the second unit, the first unit is provided with the transverse acoustic wave channel, and the second unit is provided with the vertical acoustic wave channel, so that the influence of external mechanical waves on the mechanical waves generated by the acoustic wave generating module is reduced, and the sensing accuracy of the touch screen is improved;
2. The touch screen mounting frame is fixed by arranging the air cavity on the frame body of the touch screen mounting frame, arranging the mounting grooves on two sides of the frame body, arranging the supporting air bags in the mounting grooves, arranging the bottom plate on the bottom surface of the supporting air bags, arranging the supporting plate on the outer side surface of the supporting air bags and arranging the limiting blocks on the supporting plate, so that the limiting blocks are ejected out under the supporting action of the supporting air bags, and the mounting efficiency of the touch screen mounting frame is improved;
3. and set up the barometer among the cavity through at the air cavity to carry out real-time measurement to the atmospheric pressure in the air cavity through the barometer, thereby effectively avoid appearing gas leakage and lead to atmospheric pressure not enough, thereby influence the fixed stability of touch-sensitive screen installing frame.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a schematic view of a support bladder of the present invention;
FIG. 6 is an enlarged view of the structure at C in FIG. 5;
FIG. 7 is a half sectional view of a touch screen configuration;
fig. 8 is an enlarged view of the structure at D in fig. 7.
In the figure: the acoustic wave signal filtering device comprises a touch screen mounting frame 1, a touch screen structure 2, a mounting groove 3, a movable groove 4, an air cavity 5, a connecting cavity 6, an air inlet channel 7, an air valve 8, an air inlet pipeline 9, an air bag groove 10, a sealed air bag 11, a barometer 12, a supporting air bag 13, a bottom plate 14, a supporting plate 15, a limiting block 16, an air inlet 17, a guide rod 18, a supporting spring 19, an air pipe 20, a touch screen 21, a sound wave signal filtering membrane 22, a transverse sound wave channel 23 and a vertical sound wave channel 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a signal filtering device for a touch screen comprises a touch screen mounting frame 1 and a touch screen structure 2 arranged in the touch screen mounting frame 1, wherein the touch screen mounting frame 1 is fixedly arranged on equipment, the equipment is provided with a mounting notch, the front sides of the left side wall and the right side wall of the mounting notch are provided with clamping groove structures, the side wall of the mounting notch at the rear side of each clamping groove structure is provided with a sealing groove structure, the sealing groove is of a frame-shaped notch structure with a semicircular cross section, the touch screen mounting frame 1 comprises a frame body and a panel structure, the upper end of the frame body part is provided with an air cavity 5, the two sides of the air cavity 5 are symmetrically provided with connecting cavities 6, the two side parts of the frame body of the touch screen mounting frame 1 are provided with mounting grooves 3, the outer side wall of each mounting groove 3 is provided with a movable groove 4, the upper end of each mounting groove 3 is communicated with the connecting cavity 6, the bottom surface of each mounting groove 3, and a supporting air bag 13 is movably arranged in the mounting groove 3, and the touch screen structure 2 is composed of a touch screen 21 and a sound wave signal filtering membrane 22.
Furthermore, the side wall of the supporting airbag 13 is corrugated, the bottom surface of the supporting airbag 13 is fixedly connected with a bottom plate 14, the top surface of the supporting airbag 13 is fixedly connected with a supporting plate 15, a group of guide rod holes are symmetrically formed in two sides of the supporting plate 15, the inner side surface of the bottom plate 14 is fixedly connected to the bottom surface of the notch of the mounting groove 3, an air inlet 17 is formed in the surface, close to the inner side, of the bottom plate 14 and communicated with the inner cavity of the supporting airbag 13, and the end part of the air inlet 17 is communicated with the cavity of the air cavity 5 through an air pipe 20 arranged in;
further, the outside fixed surface welding of leaning on of bottom plate 14 has guide arm 18, and the position of guide arm 18 is corresponding with the guide arm hole position in the backup pad 15, and guide arm 18 passes from the guide arm hole, and the cover is equipped with supporting spring 19 on the body of rod of guide arm 18, and supporting spring 19's one end is connected with bottom plate 14 by the outside surface, and its other end is connected with backup pad 15 by the inside surface.
Further, the outside fixed surface of backup pad 15 is connected with stopper 16, stopper 16's cross-section is a rectangle and an isosceles trapezoid combination forms, and its cross-section is identical with the cross-section of draw-in groove structure, and its both positions are corresponding, through having seted up air cavity 5 in touch-sensitive screen installing frame 1's framework, and seted up mounting groove 3 in the both sides of its framework, and set up the support gasbag in the mounting groove, and set up the bottom plate in the bottom surface that supports gasbag 13, the outside surface sets up the backup pad, and set up stopper 16 in the backup pad, thereby come stopper 16 ejecting through the supporting role that supports gasbag 13, thereby accomplish the fixing to touch-sensitive screen installing frame 1, thereby improve its installation effectiveness.
Further, an air bag groove 10 is formed in the position, close to the rear side, of the frame body of the touch screen mounting frame 1, the air bag groove 10 is a frame-shaped notch with a semicircular cross section, the position of the notch corresponds to the position of the sealing groove structure, a sealing air bag 11 is arranged in the air bag groove 10, the air inlet end of the sealing air bag 11 is communicated with the air cavity 5 through an air inlet pipeline 9, the appearance of the sealing air bag 11 is matched with the air bag groove 10, one side wall of the sealing air bag is fixedly connected with the side wall of the air bag groove 10 in an adhesive mode, the overall sealing performance of the structure of the sealing air bag is improved, and external dust is prevented from entering the interior of an.
Further, inlet channel 7 has been seted up to the leading flank of air cavity 5, inlet channel 7's front end is provided with pneumatic valve 8, and be provided with barometer 12 among the cavity of air cavity 5, the pressure display unit setting of barometer 12 lies in one side of touch-sensitive screen installing frame 1 on the apparatus, and it has PLC control system through electric signal connection, and PLC control system's signal output part electric signal connection has the siren, through set up barometer 12 among the cavity of air cavity 5, thereby carry out real-time measurement to the atmospheric pressure in air cavity 5 through barometer 12, thereby effectively avoid appearing gas leakage and lead to atmospheric pressure not enough, thereby influence the fixed stability of touch-sensitive screen installing frame 1.
Furthermore, the acoustic signal filtering membrane 22 is made of an acoustic shielding material by casting, and the membrane body thereof is divided into a first unit and a second unit, the second unit is attached to the touch screen 21, a transverse acoustic channel 23 is arranged in the transverse direction on the membrane body of the first unit, a vertical acoustic channel 24 is arranged in the vertical direction on the membrane body of the second unit, acoustic generating modules are arranged on the left side of the transverse acoustic channel 23 and the upper side of the vertical acoustic channel 24, acoustic receiving modules are correspondingly arranged on the right side of the transverse acoustic channel 23 and the lower side of the vertical acoustic channel 24, by attaching a layer of acoustic signal filtering membrane 22 composed of the first unit and the second unit on the surface of the touch screen 21, the transverse acoustic channel 23 is arranged on the first unit, and the vertical acoustic channel 24 is arranged on the second unit, the influence of external mechanical waves on the mechanical waves generated by the acoustic generating modules is reduced, thereby improving the sensing accuracy of the touch screen.
The working principle is as follows: when a worker clicks the surface of the touch screen structure 2, due to the contact squeezing effect, the channel cross sections of the positions of the transverse sound wave channel 23 and the vertical sound wave channel 24 where the worker touches the touch point on the sound wave signal filtering membrane 22 are reduced, thereby causing the propagation of the mechanical wave generated by the acoustic wave generating module to be blocked, thereby causing the received acoustic wave signal on the acoustic wave receiving module to change, the finger click position of the operator can be accurately positioned through the positioning in the transverse direction and the vertical direction, thereby improving the clicking accuracy of the touch screen, and because the sound waves are transmitted in the transverse sound wave channel 23 and the vertical sound wave channel 24 on the sound wave signal filtering membrane 22, therefore, the influence of external mechanical waves on the mechanical waves generated by the sound wave emitting module is effectively avoided, and the overall accuracy of the touch screen is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a signal filter equipment for touch-sensitive screen, includes touch-sensitive screen installing frame (1) and sets up touch-sensitive screen structure (2) in touch-sensitive screen installing frame (1), its characterized in that: the touch screen mounting frame (1) is fixedly mounted on equipment, a mounting notch is formed in the equipment, a clamping groove structure is formed in the front side of the left side wall and the right side wall of the mounting notch, a sealing groove structure is formed in the side wall of the mounting notch on the rear side of the clamping groove structure, the sealing groove is of a frame-shaped notch structure with a semicircular cross section, the touch screen mounting frame (1) is composed of a frame body and a panel structure, an air cavity (5) is formed in the upper end of the frame body part, connecting cavities (6) are symmetrically formed in two sides of the air cavity (5), mounting grooves (3) are formed in two side parts of the frame body of the touch screen mounting frame (1), movable grooves (4) are formed in the outer side wall of the mounting grooves (3), the upper ends of the mounting grooves (3) are communicated with the connecting cavities (6), and air pipe grooves are formed in the bottom surfaces of the notches of, and a supporting air bag (13) is movably arranged in the mounting groove (3), and the touch screen structure (2) is composed of a touch screen (21) and an acoustic wave signal filtering membrane (22).
2. The signal filtering device for the touch screen according to claim 1, wherein: the side wall of the supporting air bag (13) is corrugated, the bottom surface of the supporting air bag (13) is fixedly connected with a bottom plate (14), the top surface of the bottom plate is fixedly connected with a supporting plate (15), a group of guide rod holes are symmetrically formed in two sides of the supporting plate (15), the inner side surface of the bottom plate (14) is fixedly connected to the bottom surface of a notch of the mounting groove (3), an air inlet (17) is formed in the inner side surface of the bottom plate (14) in a leaning mode, the air inlet is communicated with the inner cavity of the supporting air bag (13), and the end portion of the air inlet (17) is communicated with the cavity of the air cavity (5) through an air pipe (20) arranged in the.
3. The signal filtering device for the touch screen according to claim 2, wherein: the fixed welding of the surface of the outer side that leans on of bottom plate (14) has guide arm (18), the position of guide arm (18) is corresponding with the guide arm hole position on backup pad (15), and guide arm (18) pass from the guide arm hole, and the cover is equipped with supporting spring (19) on the body of rod of guide arm (18), the one end of supporting spring (19) is connected with the surface of the outer side that leans on of bottom plate (14), and its other end is connected with the surface of the inner side that leans on of backup pad (15).
4. A signal filtering device for a touch screen according to claim 3, wherein: the outer side surface of the supporting plate (15) is fixedly connected with a limiting block (16), the section of the limiting block (16) is formed by combining a rectangle and an isosceles trapezoid, the section of the limiting block is matched with the section of the clamping groove structure, and the two positions of the limiting block and the clamping groove structure are corresponding.
5. The signal filtering device for the touch screen according to claim 1, wherein: the frame body of touch-sensitive screen installing frame (1) leans on rear side position department to be provided with gasbag groove (10), gasbag groove (10) are semicircular frame form notch for the cross-section, and the position of its notch is corresponding with the position of seal groove structure, and is provided with sealed gasbag (11) in gasbag groove (10), and the inlet end of sealed gasbag (11) is linked together through admission line (9) and air cavity (5), the appearance of sealed gasbag (11) is identical with gasbag groove (10), and the fixed cementing of lateral wall and gasbag groove (10) of its one of it.
6. The signal filtering device for the touch screen according to claim 5, wherein: air inlet channel (7) have been seted up to the leading flank of air cavity (5), the front end of air inlet channel (7) is provided with pneumatic valve (8), and is provided with barometer (12) among the cavity of air cavity (5), the pressure display unit setting of barometer (12) is located one side of touch-sensitive screen installing frame (1) on the apparatus, and it has PLC control system through electric signal connection, and PLC control system's signal output part electric signal connection has the siren.
7. The signal filtering device for the touch screen according to claim 1, wherein: sound wave signal filter membrane (22) have the casting of sound wave shielding material to form, and its membrane body divide into two parts of first unit and second unit, and its second unit laminating touch-sensitive screen (21) sets up, and horizontal sound wave passageway (23) have been seted up to the horizontal direction on the membrane body of first unit, and vertical sound wave passageway (24) have been seted up to the vertical direction of second unit membrane body, the upside of horizontal sound wave passageway (23) left side and vertical sound wave passageway (24) all is provided with the sound wave generation module, and the downside of horizontal sound wave passageway (23) right side and vertical sound wave passageway (24) all corresponds and is provided with sound wave receiving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674011.3A CN111857442B (en) | 2020-07-14 | 2020-07-14 | Signal filtering device for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674011.3A CN111857442B (en) | 2020-07-14 | 2020-07-14 | Signal filtering device for touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111857442A true CN111857442A (en) | 2020-10-30 |
| CN111857442B CN111857442B (en) | 2022-11-08 |
Family
ID=72983399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010674011.3A Active CN111857442B (en) | 2020-07-14 | 2020-07-14 | Signal filtering device for touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111857442B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4376469A (en) * | 1981-03-23 | 1983-03-15 | Scm Corporation | Stepped acoustic transport member |
| US20100309145A1 (en) * | 2009-06-04 | 2010-12-09 | Taiwan Electrets Electronics Co., Ltd. | 3-dimension non-bias electrets multi-touch device |
| US20140035878A1 (en) * | 2012-08-02 | 2014-02-06 | Nano-Optic Devices, Llc | Touchscreen sensor for touchscreen display unit |
| CN104216576A (en) * | 2014-08-27 | 2014-12-17 | 合肥鑫晟光电科技有限公司 | Surface acoustic wave touch screen and touch display device |
| US20150109259A1 (en) * | 2013-10-23 | 2015-04-23 | Samsung Display Co., Ltd. | Touch screen panel and detecting method of touch position using the same |
| CN104937952A (en) * | 2012-10-26 | 2015-09-23 | 康宁股份有限公司 | Structure with integrated acoustics function |
| WO2019040577A1 (en) * | 2017-08-25 | 2019-02-28 | Knowles Electronics, Llc | Contact interface device with trapped air sensor |
| CN208636814U (en) * | 2018-08-24 | 2019-03-22 | 河南丰泰光电科技有限公司 | Surface acoustic wave touch screen suitable for PDA device |
-
2020
- 2020-07-14 CN CN202010674011.3A patent/CN111857442B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4376469A (en) * | 1981-03-23 | 1983-03-15 | Scm Corporation | Stepped acoustic transport member |
| US20100309145A1 (en) * | 2009-06-04 | 2010-12-09 | Taiwan Electrets Electronics Co., Ltd. | 3-dimension non-bias electrets multi-touch device |
| US20140035878A1 (en) * | 2012-08-02 | 2014-02-06 | Nano-Optic Devices, Llc | Touchscreen sensor for touchscreen display unit |
| CN104937952A (en) * | 2012-10-26 | 2015-09-23 | 康宁股份有限公司 | Structure with integrated acoustics function |
| US20150109259A1 (en) * | 2013-10-23 | 2015-04-23 | Samsung Display Co., Ltd. | Touch screen panel and detecting method of touch position using the same |
| CN104216576A (en) * | 2014-08-27 | 2014-12-17 | 合肥鑫晟光电科技有限公司 | Surface acoustic wave touch screen and touch display device |
| WO2019040577A1 (en) * | 2017-08-25 | 2019-02-28 | Knowles Electronics, Llc | Contact interface device with trapped air sensor |
| CN208636814U (en) * | 2018-08-24 | 2019-03-22 | 河南丰泰光电科技有限公司 | Surface acoustic wave touch screen suitable for PDA device |
Non-Patent Citations (1)
| Title |
|---|
| 田民丽: "声波式触摸屏技术概述及专利现状", 《电子世界》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111857442B (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7764276B2 (en) | Touch control system and apparatus with multiple acoustic coupled substrates | |
| CN201698393U (en) | Integrated electronic white board and electronic pen thereof | |
| CN111857442B (en) | Signal filtering device for touch screen | |
| CN107506096A (en) | Infrared touch panel framework and its touch-screen | |
| CN208549016U (en) | A kind of frame structure of earphone horn | |
| CN206430875U (en) | A kind of shield duct piece Liquid penetrant testing instrument | |
| CN209590819U (en) | Infrared touch screen mounting structure and infrared touch liquid crystal display module in high precision | |
| CN102478984A (en) | Piezoelectric positioning electronic device for reducing noise interference | |
| CN110134291A (en) | Infrared touch-control glass mounting structure, touch accuracy adjusting method and application | |
| CN108992045A (en) | Portable pulse condition analyser | |
| CN221804682U (en) | Man-machine interaction screen based on sound positioning | |
| CN203720042U (en) | Gas standing wave determination experiment device | |
| CN208187367U (en) | A kind of novel lossless detection device | |
| CN2519331Y (en) | Surface sound wave touch screen for increase effective touch district through touch district step enlargement | |
| CN218297229U (en) | Temperature and humidity monitor | |
| CN209734693U (en) | super-silent oxygen inhalation flow meter | |
| CN213690562U (en) | Touch control display screen | |
| CN212364982U (en) | Control panel with mounting structure | |
| CN109799032A (en) | A kind of vacuum generator detection device | |
| CN214373088U (en) | Micro-differential pressure induction core | |
| CN215908392U (en) | Air-filling sealing structure of defoaming mechanism | |
| CN216846470U (en) | Intelligent high-precision comprehensive calibrator with protection mechanism | |
| CN106092230B (en) | Ultrasonic gas meter with double acoustic path transducers | |
| CN209560519U (en) | It can easily be accommodated the infrared touch-control glass mounting structure of touch accuracy | |
| CN208207651U (en) | A kind of installation external voice box type frame of high ventilative property |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A signal filtering device for touch screens Granted publication date: 20221108 Pledgee: Beihai Rural Credit Cooperative Union Yintan Credit Cooperative Pledgor: Beihaihan doctor Technology Co.,Ltd. Registration number: Y2024980008550 |