CN102609155B - Double-touch-face surface acoustic wave touch screen - Google Patents
Double-touch-face surface acoustic wave touch screen Download PDFInfo
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- CN102609155B CN102609155B CN201210039406.1A CN201210039406A CN102609155B CN 102609155 B CN102609155 B CN 102609155B CN 201210039406 A CN201210039406 A CN 201210039406A CN 102609155 B CN102609155 B CN 102609155B
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Abstract
The invention discloses a double-touch-face surface acoustic wave touch screen, which comprises a substrate, a transmitting stripe array, a receiving stripe array, a receiving transducer and a transmitting transducer. The substrate surface includes a first touch face, a second touch face and a transmission face; the transmitting stripe array, the receiving stripe array, the receiving transducer and the transmitting transducer are all arranged on the same touch face; the first and second touch faces are arranged opposite to each other; and the transmission face is connected with the first and second touch faces respectively. The invention involves two touch faces for normal touch, one touch face is provided with an assembly, the other touch face is provided with no functional part, no complex front frame assembly is required to be designed for shielding stripe arrays, transducers and the like, and the touch face without any functional part can directly serve as the front panel of a touch display product, so as to realize acoustic wave touch screen frame-free design.
Description
Technical field
The present invention relates to a kind of novel surface acoustic wave touching screen, particularly relate to a kind of surface acoustic wave touch screen of novel pair touch face.
Background technology
In prior art, touch-screen mainly contains surface acoustic wave, infrared, resistance, electric capacity etc.Surface acoustic wave touch screen has that resolution is high, the response time is short, good stability, anti-riot property are good, transmitance high; Infrared type touch-screen resolution is general, the response time is long, stability is general, anti-riot property is good, transmitance is high, easily by features such as light interference; Resistive touch screen has that resolution is high, the response time is short, good stability, through features such as rate variance, anti-riot property differences; Capacitive touch screen has the features such as resolution is high, the response time is short, stability is general, transmitance is general, anti-riot property general, easy drift.In sum, surface acoustic wave touch screen has the advantages such as performance index are high, reliable and stable, environmental adaptation is strong due to it, and surface acoustic wave touch screen is the touch-screen that in several touch-screen, cost performance is the highest, it is the touch-screen of several main flow touch-screen most popularizing value in middle large scale field.
Existing surface acoustic wave touch screen generally forms enclosed area by two transmitting transducers, two receiving transducers, 2 groups of transmitting striped arrays, 2 groups of reception striped arrays.Launch striped array and receive the touch area that striped array enclosed area is generally surface acoustic wave touch screen, the plane at this place, touch area is the touch face of surface acoustic wave touch screen, 4 groups of streak reflex arrays and transducer are all arranged on the touch surface, as patent CN86102275A, its publication date is 1986.12.03.Also have a kind of mode in addition, on the touch surface, transducer is arranged on non-tactile face 4 groups of streak reflex arrays, and as patent CN97181045.1, its publication date is 2000.01.19.
But along with the listing of Rimless display and Rimless mobile phone, more and more higher to the appearance requirement of electronic product, Rimless design almost becomes a kind of trend.Common acoustic wave touching screen of the prior art is difficult to realize Rimless design, mainly because there are 4 groups of streak reflex arrays and transducer in the touch face of common acoustic wave touching screen, be difficult to 4 groups of striped arrays and transducer to stash simultaneously, by parts such as front frame assemblies, striped array, transducer etc. must be sheltered from.
The difficult point that surface acoustic wave touch screen is dust-proof, waterproof problem always is industry, general surface acoustic wave touching screen will reach requirement that is dust-proof, waterproof, often needs to design dust-proof frame, waterproof frame etc.As the dustproof construction mentioned in patent CN2509621Y, this structure short-term dust-proof effect is better, but after Long-Time Service, the easy fouling of fringe area thus impact touch.As the dustproof and waterproof structure mentioned in patent CN2570842Y, sealant has certain decay to acoustic signals, and long-distance transport also easily makes sealant lose effect.
Summary of the invention
The object of the invention is to the problems referred to above overcoming the existence of existing acoustic wave touching screen, a kind of novel pair of touch face surface acoustic wave touch screen is provided, the present invention includes two can the touch face of normal touch, a touch face arranges reflection strip array and transducer, another touch face there is no reflection strip array and transducer, without the need to frame assembly before designing complexity to block reflection strip array and transducer etc., just directly can use not having the touch face of reflection strip array and transducer as the front panel touching display product, thus realize the Rimless design of acoustic wave touching screen.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of two touch faces surface acoustic wave touch screen, comprise substrate, launch striped array, receive striped array, receiving transducer and transmitting transducer, it is characterized in that: described substrate surface comprises the first touch face, the second touch face and transmission face, launching striped array, reception striped array, receiving transducer and transmitting transducer is all arranged on same touch face, first touch face and the second touch face are oppositely arranged, and transmission face connects the first touch face and the second touch face respectively.
Described transmission face is cambered surface, and the pass of the thickness h of the radian R of cambered surface and substrate is: h/2≤R≤h.
Described transmission face comprises at least three inclined-planes be connected successively, and the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
Described transmission face comprises inclined-plane and the vertical plane vertical with touch face, vertical plane touches face and second respectively by inclined-plane and first and touches face and be connected, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
Described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, and the striped that the striped in Y-axis reception striped array and Y-axis are launched in striped array is mutually vertical.
Described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, and Y-axis receives striped array and Y-axis launches the same place that striped array is all arranged on touch face.
Described X-axis launches striped array and X-axis reception striped array links together, and Y-axis launches striped array and Y-axis reception striped array links together.
Described X-axis is launched between striped array and X-axis reception striped array distance d1, and meets 0<d1<e/2, and wherein, e is the length of Y direction substrate; Y transmitting striped array and Y receive between striped array distance d2, and meets 0≤d2<f/2, and wherein f is the length of X-direction substrate.
Described X-axis launches striped array and X-axis reception striped array links together; Y transmitting striped array and Y receive between striped array distance d2, and meets 0<d2<f/2, and wherein f is the length of X-direction substrate.
Described X-axis is launched between striped array and X-axis reception striped array distance d1, and meets 0<d1<e/2, and wherein, e is the length of Y direction substrate; Y-axis launches striped array and Y-axis reception striped array links together.
Employing the invention has the advantages that:
One, in the present invention, comprising two can the touch face of normal touch, a touch face arranges reflection strip array and transducer, another touch face there is no reflection strip array and transducer, without the need to frame assembly before designing complexity to block striped array and transducer etc., not only outward appearance is neatly beautiful, the necessary plastics of general touch product or metal front frame assembly can also be saved, just the touch face without any functional parts directly can be used as the front panel touching display product, thus realize the Rimless design of acoustic wave touching screen, and there is no reflection strip array and Huaneng Group device owing to having on a touch face, also just dust-proof without the need to designing, water repellent component blocks the structure that striped and transducer etc. are subject to water and dust interference, directly have dust and water protection function.
Two, in the present invention, using the substrate of touch-screen directly as the front panel touching product, there is very strong anti-scratch ability.
Three, in the present invention, using the base plate glass of touch-screen directly as the front panel touching product, make the surface cleaning touching product become very easy, dust and liquid stain etc. can be cleaned out the very first time.
Four, in the present invention, the controller of touch-screen does not need to do any change and can normally use, and effectively reduces R&D costs.
Five, in the present invention, described transmission face is cambered surface, and the pass of the thickness h of the radian R of cambered surface and substrate is: h/2≤R≤h, the curved face processing of this arc range is simple, and be conducive to hyperacoustic conduction, reduce ultrasound wave loss, thus put forward the accuracy that touch-screen identification touches body.
Six, in the present invention, described transmission face comprises at least three inclined-planes be connected successively, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o, the inclined-plane of more than three and three in this angular range can effectively reduce ultrasonic transmission loss, improve the accuracy identifying and touch body, and outward appearance is more attractive in appearance.
Seven, in the present invention, described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, it is mutually vertical that Y-axis receives the striped that striped in striped array and Y-axis launch in striped array, has structure simply and the minimum advantage of size.
Eight, in the present invention, described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, Y-axis receives striped array and Y-axis launches same one side place that striped array is all arranged on touch face, the direction of striped in so suitable adjustment striped array, the upper and lower surface of substrate just can be made all to have ultrasound wave to pass through, and can not overall appearance be affected.
Nine, in the present invention, described X-axis launches the striped in striped array and the striped in X-axis reception striped array links together, Y-axis launches the striped in striped array and the striped in Y-axis reception striped array links together, effectively can reduce the physical dimension of touch-screen like this, structure is compacter, and can not affect touch screen performance.
Ten, in the present invention, described X-axis is launched between striped array and X-axis reception striped array distance d1, and meets 0<d1<e/2, and wherein, e is the length of Y direction substrate; Y transmitting striped array and Y receive between striped array distance d2, and meet 0<d2<f/2, wherein f is the length of X-direction substrate, can reduce X-axis like this transmits to the interference of X-axis Received signal strength, also can reduce Y-axis and transmit to the interference of Y-axis Received signal strength.
11, in the present invention, described X-axis launches striped array and X-axis reception striped array links together; Y transmitting striped array and Y receive between striped array distance d2, and meet 0≤d2<f/2, wherein f is the length of X-direction substrate, not only can reduce X-axis transmits to the interference of X-axis Received signal strength, and adopt this structure easier adjusting screen body size, make the range of application of touch-screen wider.
12, in the present invention, described X-axis is launched between striped array and X-axis reception striped array distance d1, and meets 0≤d1<e/2, and wherein, e is the length of Y direction substrate; Y-axis launches striped array and Y-axis reception striped array links together, and not only can reduce Y-axis and transmit to the interference of Y-axis Received signal strength, and adopt this structure easier adjusting screen body size, make the range of application of touch-screen wider.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention
Fig. 1-1 is backsight structural drawing of the present invention
Fig. 1-2 is touch effective district schematic diagram in the first touch face
Fig. 2 is left TV structure schematic diagram of the present invention
Fig. 2-1 is right TV structure schematic diagram of the present invention
Transmission face schematic diagram when Fig. 3 is R=h/2 of the present invention
Transmission face schematic diagram when Fig. 3-1 is R=h of the present invention
Fig. 3-2 is structural representation when the present invention face of transmitting comprises vertical plane
Be labeled as in figure: 1a, 1b is X-direction striped array, 1c, 1d is Y direction striped array, 2a, 2b is respectively X-direction transmitting transducer, receiving transducer or be respectively X-direction receiving transducer, transmitting transducer, 2c, 2d is respectively Y direction transmitting transducer, receiving transducer or be respectively Y direction receiving transducer, transmitting transducer, 3 is transmission face, 4 is substrate, 5 is that 2a is as sonic transmissions direction during transmitting transducer, 6 is 2b sonic transmissions directions as transmitting transducer, 7 is 2d sonic transmissions directions as transmitting transducer, 8 is 2c sonic transmissions directions as transmitting transducer, 9 is inclined-planes adjacent with the first touch face, 10 is inclined-planes adjacent with inclined-plane 9, 12 is inclined-planes adjacent with the second touch face, 11 is inclined-planes adjacent with inclined-plane 12, d1 is the distance that X-axis launches between striped array and X-axis reception striped array, d2 is the distance that Y-axis launches between striped array and Y-axis reception striped array, 13 is the first touch face, 14 is the second touch face.
Embodiment
Embodiment 1
A kind of two touch faces surface acoustic wave touch screen, comprise substrate, launch striped array, receive striped array, receiving transducer and transmitting transducer, described substrate surface comprises the first touch face, the second touch face and transmission face, launching striped array, reception striped array, receiving transducer and transmitting transducer is all arranged on same touch face, first touch face and the second touch face are oppositely arranged, and transmission face connects the first touch face and the second touch face respectively.
One of the preferred embodiment of the present invention is, described transmission face is cambered surface, and the pass of the thickness h of the radian R of cambered surface and substrate is: h/2≤R≤h.
Described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, and the striped that the striped in Y-axis reception striped array and Y-axis are launched in striped array is mutually vertical.
Described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, and Y-axis receives striped array and Y-axis launches the same place that striped array is all arranged on touch face.
Described X-axis launches striped array and X-axis reception striped array links together, and Y-axis launches striped array and Y-axis reception striped array links together, and the mode of connection can be bonding.In addition, the mode of same striped bending also can be adopted to form X-axis and launch striped array and X-axis reception striped array, or the mode adopting same striped to bend forms Y-axis transmitting striped array and Y-axis receives striped array.
Embodiment 2
A kind of two touch faces surface acoustic wave touch screen, comprise substrate, launch striped array, receive striped array, receiving transducer and transmitting transducer, described substrate surface comprises the first touch face, the second touch face and transmission face, launching striped array, reception striped array, receiving transducer and transmitting transducer is all arranged on same touch face, first touch face and the second touch face are oppositely arranged, and transmission face connects the first touch face and the second touch face respectively.
Another preferred implementation of the present invention is, described transmission face comprises at least three inclined-planes be connected successively, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
Described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, and the striped that the striped in Y-axis reception striped array and Y-axis are launched in striped array is mutually vertical.
Described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, and Y-axis receives striped array and Y-axis launches the same place that striped array is all arranged on touch face.
Described X-axis is launched between striped array and X-axis reception striped array distance d1, and meets 0<d1<e/2, and wherein, e is the length of Y direction substrate; Y transmitting striped array and Y receive between striped array distance d2, and meets 0≤d2<f/2, and wherein f is the length of X-direction substrate.
Embodiment 3
A kind of two touch faces surface acoustic wave touch screen, comprise substrate, launch striped array, receive striped array, receiving transducer and transmitting transducer, described substrate surface comprises the first touch face, the second touch face and transmission face, launching striped array, reception striped array, receiving transducer and transmitting transducer is all arranged on same touch face, first touch face and the second touch face are oppositely arranged, and transmission face connects the first touch face and the second touch face respectively.
Described transmission face comprises inclined-plane and the vertical plane vertical with touch face, vertical plane touches face and second respectively by inclined-plane and first and touches face and be connected, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
Described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, and the striped that the striped in Y-axis reception striped array and Y-axis are launched in striped array is mutually vertical.
Described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, and Y-axis receives striped array and Y-axis launches the same place that striped array is all arranged on touch face.
Described X-axis launches striped array and X-axis reception striped array links together; Y transmitting striped array and Y receive between striped array distance d2, and meets 0<d2<f/2, and wherein f is the length of X-direction substrate.
Embodiment 4
A kind of two touch faces surface acoustic wave touch screen, comprise substrate, launch striped array, receive striped array, receiving transducer and transmitting transducer, described substrate surface comprises the first touch face, the second touch face and transmission face, launching striped array, reception striped array, receiving transducer and transmitting transducer is all arranged on same touch face, first touch face and the second touch face are oppositely arranged, and transmission face connects the first touch face and the second touch face respectively.
Described transmission face comprises inclined-plane and the vertical plane vertical with touch face, vertical plane touches face and second respectively by inclined-plane and first and touches face and be connected, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
Described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, and the striped that the striped in Y-axis reception striped array and Y-axis are launched in striped array is mutually vertical.
Described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, and Y-axis receives striped array and Y-axis launches the same place that striped array is all arranged on touch face.
Described X-axis is launched between striped array and X-axis reception striped array distance d1, and meets 0<d1<e/2, and wherein, e is the length of Y direction substrate; Y-axis launches striped array and Y-axis reception striped array links together.
Embodiment 5
The surface acoustic wave touch screen in novel pair touch face, comprises the glass substrate of transfer surface sound wave, comprises and produces hyperacoustic transducer, and the striped array of reflection supersonic wave.The surrounding side of described glass substrate is shaped, and described definite shape can be the cambered surface of certain radian, also can be that some is connected successively with the inclined-plane of certain angle; Described striped array refers to that the transmitting and receiving striped array of X-direction is in the same side of glass substrate, the transmitting and receiving striped array of Y-direction is in the same side of glass substrate, as shown in Figure 1, X-direction transmitting and receiving striped array coexists the upside of glass substrate, and Y-direction transmitting and receiving striped array coexists the left side of glass substrate.
In the present invention, the X-axis of X-direction launches lower edges that striped array and X-axis receive the striped in striped array and glass substrate in angle of 45 degrees and mutually vertical, and the edge, left and right of the striped in the Y-axis transmitting striped array of Y-direction and Y-axis reception striped array and glass substrate in angle of 45 degrees and mutually vertical.Adopt the very convenient hyperacoustic transmitting and receiving of this mode energy, and the effects such as ultrasonic transmission path optimum.
In the present invention, X-direction transmitting and receiving striped can exchange, as shown in Figure 1, namely X-direction striped array 1a, 1b both can do transmitting striped array and also can do reception striped array, and Y-direction striped array 1c, 1d both can do transmitting striped array also can do reception striped array.
In the present invention, X-direction transmitting and receiving striped array can on the upper side edge edge of glass substrate, also can on the lower side edge of glass substrate; Y-direction transmitting and receiving striped array can at the left side edge of glass substrate, also can on the right edge edge of glass substrate.
Embodiment 6
The surface acoustic wave touch screen in novel pair touch face, the cambered surface that radian R=3/4h is processed in face 3 is transmitted in the surrounding side of glass substrate 4 namely, X-direction being transmitted and received striped array is arranged near the upper edge of glass substrate, wherein 1a is that X-axis launches striped array, 1b is that X-axis receives striped array, transducer 2b is X-axis transmitting transducer, and transducer 2a is X-axis receiving transducer; Y-direction being transmitted and received striped array is arranged near the left margin of glass substrate, and wherein 1c is that Y-axis launches striped array, and 1d is that Y-axis receives striped array, and transducer 2d is Y-axis transmitting transducer, and transducer 2c is Y-axis receiving transducer.
Work reason of the present invention is as follows:
The ultrasound wave onwards transmission that X-axis transmitting transducer 2b produces runs into the X-axis striped launched in striped array 1a and understands some reflection, transmit direction is vertical with incident direction, ultrasonic energy through streak reflex is got back to X-axis received striped array 1b by the first touch face 13, touch face 14, transmission face 3, second, transmission face successively, receives after striped array 1b reflection received by X spindle receiving transducer 2a through X.The ultrasound wave onwards transmission that Y-axis transmitting transducer 2d produces runs into the Y-axis striped launched in striped array 1c and understands some reflection, transmit direction is vertical with incident direction, ultrasonic energy through streak reflex is got back to Y-axis received striped array 1d by the first touch face, transmission face, the second touch face, transmission face successively, receives after striped array 1d reflection received by Y-axis receiving transducer 2c through Y-axis.When there being touch action in the effective touch area on A touch face, corresponding X-axis and Y-axis Received signal strength each appearance one can touch pit, determine touch point coordinate after touch system identification.When in like manner having a touch action in the second effective touch area touching face, corresponding X-axis and Y-axis Received signal strength can each appearance one touch pits, determine touch point coordinate after touch system identification.In the face at X, Y striped array and transducer place and this patent first touches face, and in the face relative with striped and transducer and this patent second touches face, all energy normal touch.
Embodiment 7
The present embodiment is specifically described involved accompanying drawing:
In the main TV structure schematic diagram of Fig. 1 the present invention, 1a, 1b are X-direction striped array, 1c, 1d are Y-direction striped array, and namely when 1a is X-axis reception striped array, 1b is that X-axis launches striped array, when 1a is X-axis transmitting striped array, 1b is that X-axis receives striped array, and when 1c is Y-axis reception striped array, 1d is that Y-axis launches striped array, when 1c is Y-axis transmitting striped array, 1d is that Y-axis receives striped array.
2a, 2b are respectively X-direction transmitting transducer, receiving transducer or are respectively X-direction reception, transmitting transducer, and namely when 2a is X-axis transmitting transducer, 2b is X-axis receiving transducer, and when 2a is X-axis receiving transducer, 2b is X-axis transmitting transducer.
2c, 2d are respectively Y-direction transmitting transducer, receiving transducer or are respectively Y-direction reception, transmitting transducer, and namely when 2c is Y-axis transmitting transducer, 2d is Y-axis receiving transducer, and when 2c is Y-axis receiving transducer, 2d is Y-axis transmitting transducer.
In Fig. 1-1 backsight structural drawing of the present invention, the region realizing surrounding is the effective district of touch in the second touch face, and in Fig. 1-2, the region of dotted line is the effective district of touch in the first touch face.
In Fig. 2 left TV structure schematic diagram of the present invention and Fig. 2-1 right TV structure schematic diagram of the present invention, the first touch face 13 i.e. face at striped array and transducer place, second touches namely relative with striped array face, face 14.5 be 2a as sonic transmissions direction during transmitting transducer, 6 is 2b sonic transmissions directions as transmitting transducer, and 7 is 2d sonic transmissions directions as transmitting transducer, and 8 is 2c sonic transmissions directions as transmitting transducer.
In figure 3, transmission face is cambered surface, the radian R=h/2 in transmission face.In Fig. 3-1, transmission face is cambered surface, the radian R=h in transmission face.In Fig. 3-2, transmission face comprises inclined-plane and the vertical plane vertical with touch face, vertical plane touches face and second respectively by inclined-plane and first and touches face and be connected, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
Claims (8)
1. two touch faces surface acoustic wave touch screen, comprise substrate (4), launch striped array, receive striped array, receiving transducer and transmitting transducer, it is characterized in that: described substrate (4) surface comprises the first touch face (13), second touches face (14) and transmission face (3), launch striped array, receive striped array, receiving transducer and transmitting transducer are all arranged on same touch face, first touch face (13) and second touches face (14) and is oppositely arranged, transmission face (3) connects first respectively and touches face (13) and the second touch face (14), the ultrasound wave that described transmitting transducer produces, after the transmitting striped array reflection of correspondence, corresponding reception striped array is returned successively, by being received by the receiving transducer of correspondence after the reflection of this reception striped array by the first touch face, transmission face, the second touch face, transmission face, described reception striped array comprises X-axis and receives striped array and Y-axis reception striped array, launch striped array and comprise X-axis transmitting striped array and Y-axis transmitting striped array, the striped that striped in X-axis reception striped array and X-axis are launched in striped array is mutually vertical, and the striped that the striped in Y-axis reception striped array and Y-axis are launched in striped array is mutually vertical, described X-axis receives striped array and X-axis launches same one side place that striped array is all arranged on touch face, and Y-axis receives striped array and Y-axis launches the same place that striped array is all arranged on touch face.
2. according to claim 1 pair of touch face surface acoustic wave touch screen, is characterized in that: described transmission face (3) are cambered surface, and the pass of the thickness h of the radian R of cambered surface and substrate (4) is: h/2≤R≤h.
3. according to claim 1 pair of touch face surface acoustic wave touch screen, it is characterized in that: described transmission face (3) comprise at least three inclined-planes be connected successively, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
4. according to claim 1 pair of touch face surface acoustic wave touch screen, it is characterized in that: described transmission face (3) comprise inclined-plane and the vertical plane vertical with touch face, vertical plane touches face (13) and second respectively by inclined-plane and first and touches face (14) and be connected, the inclined-plane adjacent with touch face meets 0o < a≤45 with touch face angle a, and the angle c of any inclined-plane and adjacent bevel surfaces meets 0o < c≤45o.
5. the two touch faces surface acoustic wave touch screen according to claim 1,2,3 or 4, is characterized in that: described X-axis launches striped array and X-axis reception striped array links together, and Y-axis launches striped array and Y-axis reception striped array links together.
6. the two touch faces surface acoustic wave touch screen according to claim 1,2,3 or 4, it is characterized in that: described X-axis is launched between striped array and X-axis reception striped array distance d1, and meet 0<d1<e/2, wherein, e is the length of Y direction substrate; Y transmitting striped array and Y receive between striped array distance d2, and meets 0≤d2<f/2, and wherein f is the length of X-direction substrate.
7. the two touch faces surface acoustic wave touch screen according to claim 1,2,3 or 4, is characterized in that: described X-axis launches striped array and X-axis reception striped array links together; Y transmitting striped array and Y receive between striped array distance d2, and meets 0<d2<f/2, and wherein f is the length of X-direction substrate.
8. the two touch faces surface acoustic wave touch screen according to claim 1,2,3 or 4, it is characterized in that: described X-axis launches lower edges that striped array and X-axis receive the striped in striped array and glass substrate in angle of 45 degrees and mutually vertical, the edge, left and right of the striped in Y-axis transmitting striped array and Y-axis reception striped array and glass substrate in angle of 45 degrees and mutually vertical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210039406.1A CN102609155B (en) | 2012-02-21 | 2012-02-21 | Double-touch-face surface acoustic wave touch screen |
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| CN201210039406.1A CN102609155B (en) | 2012-02-21 | 2012-02-21 | Double-touch-face surface acoustic wave touch screen |
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| CN102609155B true CN102609155B (en) | 2015-05-20 |
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|---|---|---|---|---|
| EP1107102A1 (en) * | 1998-08-18 | 2001-06-13 | Touch Panel Systems Corporation | Touch panel |
| CN101008880A (en) * | 2006-01-27 | 2007-08-01 | 爱普生映像元器件有限公司 | Touch panel, electrooptical device, and electronic apparatus |
| CN202632257U (en) * | 2012-02-21 | 2012-12-26 | 成都吉锐触摸技术股份有限公司 | Surface acoustic wave touch screen with double touch faces |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8576202B2 (en) * | 2010-03-25 | 2013-11-05 | Elo Touch Solutions, Inc. | Bezel-less acoustic touch apparatus |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1107102A1 (en) * | 1998-08-18 | 2001-06-13 | Touch Panel Systems Corporation | Touch panel |
| CN101008880A (en) * | 2006-01-27 | 2007-08-01 | 爱普生映像元器件有限公司 | Touch panel, electrooptical device, and electronic apparatus |
| CN202632257U (en) * | 2012-02-21 | 2012-12-26 | 成都吉锐触摸技术股份有限公司 | Surface acoustic wave touch screen with double touch faces |
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