CN202632257U - Surface acoustic wave touch screen with double touch faces - Google Patents
Surface acoustic wave touch screen with double touch faces Download PDFInfo
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- CN202632257U CN202632257U CN 201220056296 CN201220056296U CN202632257U CN 202632257 U CN202632257 U CN 202632257U CN 201220056296 CN201220056296 CN 201220056296 CN 201220056296 U CN201220056296 U CN 201220056296U CN 202632257 U CN202632257 U CN 202632257U
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Abstract
The utility model discloses a surface acoustic wave touch screen with double touch faces. The surface acoustic wave touch screen comprises a substrate, an emitting stripe array, a receiving stripe array, a receiving transducer and an emitting transducer, wherein the surface of the substrate comprises a first touch face, a second touch face and a transmission face; the emitting stripe array, the receiving stripe array, the receiving transducer and the emitting transducer are arranged on the same touch face; the first touch face is opposite to the second touch face; and the transmission face is connected with the first touch face and the second touch face respectively. The surface acoustic wave touch screen comprises two touch faces which can be normally touched; a component is arranged on one touch face, and the other touch face does not have any functional parts; the stripe arrays and the transducers are not required to be shaded by a complicated front frame component, and the touch face without any functional part can be directly used as a front panel of a touch display product; and therefore, a border-free design of the acoustic wave touch screen can be realized.
Description
Technical field
The utility model relates to a kind of novel surface acoustic wave touching screen, relates in particular to the surface acoustic wave touch screen that a kind of new type double touches face.
Background technology
In the prior art, touch-screen mainly contains surface acoustic wave, infrared, resistance, electric capacity etc.Surface acoustic wave touch screen has characteristics such as resolution height, response time weak point, good stability, anti-riot property are good, transmitance height; Infrared type touch-screen resolution is general, the response time is long, general, the anti-riot property of stability is good, transmitance is high, easily by characteristics such as light interference; Resistive touch screen has resolution height, response time weak point, good stability, sees through characteristics such as rate variance, anti-riot property difference; Characteristics such as capacitive touch screen has the resolution height, the response time is short, stability is general, general, the easy drift of general, the anti-riot property of transmitance.In sum; The surface acoustic wave type touch-screen is because it has performance index height, reliable and stable, advantage such as environmental adaptation is strong; And surface acoustic wave touch screen is the highest touch-screen of cost performance in several kinds of touch-screens, is the touch-screen of several kinds of main flow touch-screens tool popularizing value in middle large scale field.
Existing surface acoustic wave touch screen generally is made up of two transmitting transducers, two receiving transducers, 2 groups of emission striped arrays, 2 group of received striped arrays and is surrounded the zone.Emission striped array surrounds the touch area that the zone is generally surface acoustic wave touch screen with reception striped array; 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 all are arranged on the touch face; Like patent CN86102275A, its open day is 1986.12.03.Also have a kind of mode in addition, 4 groups of streak reflex arrays are on touch face, and transducer is arranged on the non-touch face, and like patent CN97181045.1, its open day is 2000.01.19.
But increasingly high to the appearance requirement of electronic product along with the listing of no frame display and no frame mobile phone, no frame design almost becomes a kind of trend.Common acoustic wave touching screen of the prior art is difficult to realize no frame design; Mainly be because on the touch face of common acoustic wave touching screen 4 groups of streak reflex arrays and transducer are arranged; Be difficult to 4 groups of striped arrays and transducer are stashed simultaneously, must striped array, transducer etc. be sheltered from by parts such as preceding frame assemblies.
The difficult point that surface acoustic wave touch screen is dustproof, waterproof problem always is industry, requirement dustproof, waterproof that the general surface acoustic wave touching screen will reach often need design dustproof frame, waterproof frame etc.Like the dustproof construction of mentioning among the patent CN2509621Y, the dustproof effect of this structure short-term is better, thereby but the influence of fringe area easy scale formation touches after long-term the use.Like the dustproof and waterproof structure of mentioning among the patent CN2570842Y, sealant has certain decay to acoustic signals, and long-distance transport makes easily that also sealant loses effect.
Summary of the invention
The purpose of the utility model is to overcome the problems referred to above that existing acoustic wave touching screen exists; Provide a kind of new type double to touch the face surface acoustic wave touch screen; But the utility model comprises the touch face of two normal touch; On the touch face reflection strip array and transducer are set, do not have reflection strip array and transducer on another touch face, the preceding frame assembly that need not complex design blocks striped array and transducer etc.; Just can the touch face that not have reflection strip array and transducer directly be used as touching the front panel that shows product, thus the no frame design of realization acoustic wave touching screen.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is following:
A kind of pair of touch face surface acoustic wave touch screen; Comprise substrate, emission striped array, receive striped array, receiving transducer and transmitting transducer; It is characterized in that: said substrate surface comprises the first touch face, second touch face and the transmission face; Emission striped array, reception striped array, receiving transducer and transmitting transducer all are arranged on the same touch face, and the first touch face is oppositely arranged with the second touch face, and transmission face connects the first touch face and the second touch face respectively.
Said transmission face is a cambered surface, and the relation of the thickness h of the radian R of cambered surface and substrate is: h/2≤R≤h.
Said transmission face comprises at least three inclined-planes that link to each other successively, and the inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
Said transmission face comprises inclined-plane and the vertical plane vertical with touch face; Vertical plane is connected with the second touch face with the first touch face through the inclined-plane respectively; The inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
Said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other.
Said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face, and the Y receipt line array that is coupling is located with same one side that Y axle emission striped array all is arranged on touch face.
Said X axle emission striped array and the X receipt line array that is coupling links together, and the Y axle is launched striped array and the Y receipt line array that is coupling and linked together.
Said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y emission striped array and Y receive between the striped array to be had apart from d2, and < f/>2, wherein f is the length of X-direction substrate to satisfy 0≤d2.
Said X axle emission striped array and the X receipt line array that is coupling links together; Y emission striped array and Y receive between the striped array to be had apart from d2, and satisfies 0 < d2 < f/>2, and wherein f is the length of X-direction substrate.
Said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y axle emission striped array and the Y receipt line array that is coupling links together.
Adopt the advantage of the utility model to be:
One, in the utility model; But the touch face that comprises two normal touch is provided with reflection strip array and transducer on the touch face, does not have reflection strip array and transducer on another touch face; The preceding frame assembly that need not complex design blocks striped array and transducer etc.; Not only outward appearance is neatly beautiful, can also save necessary plastics of general touch product or metal front frame assembly, just can the touch face that have no functional parts directly be used as touching the front panel that shows product; Thereby realize the no frame design of acoustic wave touching screen; And owing to have on the touch face and do not have reflection strip array and transducer, also just need not to design dustproof, water repellent component and block striped and transducer etc. and be subject to the structure that water and dust disturb, directly have the dust and water protection function.
Two, in the utility model, the substrate of touch-screen is direct as the front panel that touches product, have very strong anti-scraping ability.
Three, in the utility model, the base plate glass of touch-screen is direct as the front panel that touches product, make the cleaning surfaces that touches product become very easy, dust and liquid stain etc. can be cleaned out the very first time.
Four, in the utility model, the controller of touch-screen need not done any change and can normally use, and effectively reduces R&D costs.
Five, in the utility model, said transmission face is a cambered surface, and the relation of the thickness h of the radian R of cambered surface and substrate is: h/2≤R≤h; The cambered surface processing of this radian scope is simple; And help hyperacoustic conduction, reduce the ultrasound wave loss, thereby put forward the accuracy of touch-screen recognizing touch operation body.
Six, in the utility model; Said transmission face comprises at least three inclined-planes that link to each other successively; The inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily, and the inclined-plane more than three and three in this angular range can effectively reduce the ultrasonic transmission loss; Improve the accuracy of recognizing touch operation body, and outward appearance is more attractive in appearance.
Seven, in the utility model; Said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other, has advantage simple in structure and that size is minimum.
Eight, in the utility model; Said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face; Y receipt line array and the Y axle emission striped array that is coupling all is arranged on the place, same one side of touch face; The direction of striped in so suitable adjustment striped array just can make the upper and lower surface of substrate all have ultrasound wave to pass through, and can not influence overall appearance.
Nine, in the utility model; The striped that striped in the said X axle emission striped array and X are coupling in the receipt line array links together; The striped that striped in the Y axle emission striped array and Y are coupling in the receipt line array links together; Can effectively reduce the physical dimension of touch-screen like this, structure is compact more, and can not influence touch screen performance.
Ten, in the utility model, said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y emission striped array and Y receive between the striped array to be had apart from d2; And satisfy 0 < d2 < f/>2; Wherein f is the length of X-direction substrate, can reduce the interference that the X axle transmits X is coupling and collects mail number like this, also can reduce the interference that the Y axle transmits Y is coupling and collects mail number.
11, in the utility model, said X axle emission striped array and the X receipt line array that is coupling links together; Y emission striped array and Y receive between the striped array to be had apart from d2; And satisfy 0≤d2 < f/>2; Wherein f is the length of X-direction substrate; Not only can reduce the interference that the X axle transmits X is coupling and collects mail number, and adopt this structure to regulate more easily to shield the body size, make the range of application of touch-screen wider.
12, in the utility model, said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfied 0≤d1 e/2, wherein, e is the length of Y direction substrate; Y axle emission striped array and the Y receipt line array that is coupling links together, and not only can reduce the interference that the Y axle transmits Y is coupling and collects mail number, and adopts this structure to regulate more easily to shield the body size, make the range of application of touch-screen wider.
Description of drawings
Fig. 1 is the utility model master TV structure synoptic diagram
Fig. 1-1 is the utility model backsight structural drawing
Fig. 1-2 is the touch active zone synoptic diagram of the first touch face
Fig. 2 is the left TV structure synoptic diagram of the utility model
Fig. 2-1 is the right TV structure synoptic diagram of the utility model
Transmission face synoptic diagram when Fig. 3 is the utility model R=h/2
Transmission face synoptic diagram when Fig. 3-1 is the utility model R=h
Structural representation when Fig. 3-2 comprises vertical plane for the utility model transmission face
Be labeled as among the figure: 1a, 1b are X-direction striped array, and 1c, 1d are Y direction striped array, and 2a, 2b are respectively X-direction transmitting transducer, receiving transducer or are respectively X-direction receiving transducer, transmitting transducer; 2c, 2d are respectively Y direction transmitting transducer, receiving transducer or are respectively Y direction receiving transducer, transmitting transducer, and 3 are transmission face, and 4 is substrate; The 5th, the sonic transmissions direction of 2a during as transmitting transducer, the 6th, 2b is as the sonic transmissions direction of transmitting transducer, and the 7th, 2d is as the sonic transmissions direction of transmitting transducer; The 8th, 2c is as the sonic transmissions direction of transmitting transducer, and the 9th, the inclined-plane adjacent, the 10th, the inclined-plane adjacent with inclined-plane 9 with the first touch face; The 12nd, the inclined-plane adjacent with the second touch face; The 11st, the inclined-plane adjacent with inclined-plane 12, d1 is X axle emission striped array and the X distance between the receipt line array that is coupling, d2 is Y axle emission striped array and the Y distance between the receipt line array that is coupling; 13 is the first touch face, and 14 is the second touch face.
Embodiment
Embodiment 1
A kind of pair of touch face surface acoustic wave touch screen; Comprise substrate, emission striped array, receive striped array, receiving transducer and transmitting transducer; Said substrate surface comprises the first touch face, second touch face and the transmission face; Emission striped array, reception striped array, receiving transducer and transmitting transducer all are arranged on the same touch face, and the first touch face is oppositely arranged with the second touch face, and transmission face connects the first touch face and the second touch face respectively.
One of preferred implementation of the utility model is that said transmission face is a cambered surface, and the relation of the thickness h of the radian R of cambered surface and substrate is: h/2≤R≤h.
Said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other.
Said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face, and the Y receipt line array that is coupling is located with same one side that Y axle emission striped array all is arranged on touch face.
Said X axle emission striped array and the X receipt line array that is coupling links together, and the Y axle is launched striped array and the Y receipt line array that is coupling and linked together, and ways of connecting can be for bonding.In addition, also can adopt the mode of same striped bending to form X axle emission striped array and the X receipt line array that is coupling, perhaps adopt the mode of same striped bending to form the Y axle and launch striped array and the Y receipt line array that is coupling.
Embodiment 2
A kind of pair of touch face surface acoustic wave touch screen; Comprise substrate, emission striped array, receive striped array, receiving transducer and transmitting transducer; Said substrate surface comprises the first touch face, second touch face and the transmission face; Emission striped array, reception striped array, receiving transducer and transmitting transducer all are arranged on the same touch face, and the first touch face is oppositely arranged with the second touch face, and transmission face connects the first touch face and the second touch face respectively.
The another preferred implementation of the utility model does, said transmission face comprises at least three inclined-planes that link to each other successively, and the inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
Said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other.
Said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face, and the Y receipt line array that is coupling is located with same one side that Y axle emission striped array all is arranged on touch face.
Said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y emission striped array and Y receive between the striped array to be had apart from d2, and < f/>2, wherein f is the length of X-direction substrate to satisfy 0≤d2.
A kind of pair of touch face surface acoustic wave touch screen; Comprise substrate, emission striped array, receive striped array, receiving transducer and transmitting transducer; Said substrate surface comprises the first touch face, second touch face and the transmission face; Emission striped array, reception striped array, receiving transducer and transmitting transducer all are arranged on the same touch face, and the first touch face is oppositely arranged with the second touch face, and transmission face connects the first touch face and the second touch face respectively.
Said transmission face comprises inclined-plane and the vertical plane vertical with touch face; Vertical plane is connected with the second touch face with the first touch face through the inclined-plane respectively; The inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
Said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other.
Said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face, and the Y receipt line array that is coupling is located with same one side that Y axle emission striped array all is arranged on touch face.
Said X axle emission striped array and the X receipt line array that is coupling links together; Y emission striped array and Y receive between the striped array to be had apart from d2, and satisfies 0 < d2 < f/>2, and wherein f is the length of X-direction substrate.
A kind of pair of touch face surface acoustic wave touch screen; Comprise substrate, emission striped array, receive striped array, receiving transducer and transmitting transducer; Said substrate surface comprises the first touch face, second touch face and the transmission face; Emission striped array, reception striped array, receiving transducer and transmitting transducer all are arranged on the same touch face, and the first touch face is oppositely arranged with the second touch face, and transmission face connects the first touch face and the second touch face respectively.
Said transmission face comprises inclined-plane and the vertical plane vertical with touch face; Vertical plane is connected with the second touch face with the first touch face through the inclined-plane respectively; The inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
Said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other.
Said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face, and the Y receipt line array that is coupling is located with same one side that Y axle emission striped array all is arranged on touch face.
Said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y axle emission striped array and the Y receipt line array that is coupling links together.
A kind of new type double touches the surface acoustic wave touch screen of face, comprises the glass substrate of transfer surface sound wave, comprise producing hyperacoustic transducer, and the striped array of reflection supersonic wave.The side is shaped around the said glass substrate, and said definite shape can be the cambered surface of certain radian, also can be that the inclined-plane of some and certain angle links to each other successively; What said striped array was meant directions X transmits and receives striped array the same side at glass substrate; The Y direction transmit and receive striped array the same side at glass substrate; As shown in Figure 1; Directions X transmits and receives the coexist upside of glass substrate of striped array, and the Y direction transmits and receives the coexist left side of glass substrate of striped array.
In the utility model, the last lower edge that directions X transmits and receives striped and glass substrate in the striped array in angle of 45 degrees and vertical each other, the right sides edge that the Y direction transmits and receives striped and glass substrate in the striped array is in angle of 45 degrees and mutual vertical.Adopt this mode can very convenient hyperacoustic transmitting and receiving, and effect such as ultrasonic transmission path optimum.
In the utility model; Directions X transmits and receives striped and can exchange; As shown in Figure 1, promptly directions X striped array 1a, 1b both can do emission striped array and also can do reception striped array, and Y direction striped array 1c, 1d both can do emission striped array also can do reception striped array.
In the utility model, directions X transmits and receives the striped array can be on the upper side edge edge of glass substrate, also can be on the lower side edge of glass substrate; The Y direction transmits and receives the striped array can be on the left side edge of glass substrate, also can be on the right edge edge of glass substrate.
New type double touches the surface acoustic wave touch screen of face; The cambered surface that face 3 is processed into radian R=3/4h is promptly transmitted in the side around the glass substrate 4; Directions X is transmitted and received near the upper edge that the striped array is arranged on glass substrate, and wherein 1a is an X axle emission striped array, and 1b is the X receipt line array that is coupling; Transducer 2b is an X axle transmitting transducer, and transducer 2a is the X receipts transducer that is coupling; The Y direction is transmitted and received near the left margin that the striped array is arranged on glass substrate, and wherein 1c is a Y axle emission striped array, and 1d is the Y receipt line array that is coupling, and transducer 2d is a Y axle transmitting transducer, and transducer 2c is the Y receipts transducer that is coupling.
The principle of work of the utility model is following:
The ultrasound wave that X axle transmitting transducer 2b produces transmits the striped that runs among the X axle emission striped array 1a forward understands some reflection; Transmit direction is vertical with incident direction; Get back to the X receipt line array 1b that is coupling through the first touch face 13, transmission face 3, the second touch face 14, transmission face successively through the ultrasonic energy of streak reflex, receive striped array 1b reflection back through X and connect to be coupling by X and receive transducer 2a reception.The ultrasound wave that Y axle transmitting transducer 2d produces transmits the striped that runs among the Y axle emission striped array 1c forward understands some reflection; Transmit direction is vertical with incident direction; Get back to the Y receipt line array 1d that is coupling through the first touch face, transmission face, the second touch face, transmission face successively through the ultrasonic energy of streak reflex, be coupling by Y and receive transducer 2c reception through the Y receipt line array 1d reflection back that is coupling.When in the effective touch area on the A touch face touch action being arranged, corresponding X axle and Y are coupling to collect mail and number can respectively occur one and touch pit, definite touch point coordinate after touch system identification.In like manner second touch when in effective touch area of face touch action being arranged, corresponding X axle and Y are coupling to collect mail and number can respectively occur one and touch pit, definite touch point coordinate after touch system identification.The face at X, Y striped array and transducer place is the first touch face in this patent, and the face relative with transducer with striped is the second touch face in this patent, all can normal touch.
Present embodiment specifies related accompanying drawing:
In Fig. 1 the utility model master TV structure synoptic diagram, 1a, 1b are directions X striped array, and 1c, 1d are Y direction striped array; Promptly when 1a be X when being coupling receipt line array, 1b is an X axle emission striped array, as 1a during for X axle emission striped array; 1b is the X receipt line array that is coupling, and when 1c is Y when being coupling receipt line array, 1d is a Y axle emission striped array; As 1c during for Y axle emission striped array, 1d is the Y receipt line array that is coupling.
2a, 2b are respectively directions X transmitting transducer, receiving transducer or are respectively that directions X receives, transmitting transducer, and promptly when 2a is X axle transmitting transducer, 2b is the X receipts transducer that is coupling, and when 2a is X when being coupling the receipts transducer, 2b is an X axle transmitting transducer.
2c, 2d are respectively Y direction transmitting transducer, receiving transducer or are respectively that the Y direction receives, transmitting transducer, and promptly when 2c is Y axle transmitting transducer, 2d is the Y receipts transducer that is coupling, and when 2c is Y when being coupling the receipts transducer, 2d is a Y axle transmitting transducer.
In Fig. 1-1 the utility model backsight structural drawing, realize that area surrounded is the touch active zone of the second touch face, in Fig. 1-2, the zone of dotted line is the touch active zone of the first touch face.
In the right TV structure synoptic diagram of the left TV structure synoptic diagram of Fig. 2 the utility model and Fig. 2-1 the utility model, the first touch face 13 is the face at striped array and transducer place, the face that the second touch face 14 is promptly relative with the striped array.The 5th, the sonic transmissions direction of 2a during as transmitting transducer, the 6th, 2b is as the sonic transmissions direction of transmitting transducer, and the 7th, 2d is as the sonic transmissions direction of transmitting transducer, and the 8th, 2c is as the sonic transmissions direction of transmitting transducer.
In Fig. 3, transmission face is a cambered surface, the radian R=h/2 of transmission face.In Fig. 3-1, transmission face is a cambered surface, the radian R=h of transmission face.Among Fig. 3-2; Transmission face comprises inclined-plane and the vertical plane vertical with touch face; Vertical plane is connected with the second touch face with the first touch face through the inclined-plane respectively, and the inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
Claims (10)
1. two touch face surface acoustic wave touch screen; Comprise substrate (4), emission striped array, receive striped array, receiving transducer and transmitting transducer; It is characterized in that: said substrate (4) surface comprises the first touch face (13), the second touch face (14) and transmission face (3); Emission striped array, reception striped array, receiving transducer and transmitting transducer all are arranged on the same touch face; The first touch face (13) is oppositely arranged with the second touch face (14), and transmission face (3) connects first touch face (13) and the second touch face (14) respectively.
2. according to claim 1 pair of touch face surface acoustic wave touch screen is characterized in that: said transmission face (3) is a cambered surface, and the relation 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: said transmission face (3) comprises at least three inclined-planes that link to each other successively; The inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
4. according to claim 1 pair of touch face surface acoustic wave touch screen; It is characterized in that: said transmission face (3) comprises inclined-plane and the vertical plane vertical with touch face; Vertical plane is connected with the second touch face (14) with the first touch face (13) through the inclined-plane respectively; The inclined-plane adjacent with touch face satisfies 0o＜a≤45 with the face of touch angle a, and the angle c on inclined-plane and adjacent inclined-plane satisfies 0o＜c≤45o arbitrarily.
5. according to claim 1,2,3 or 4 described pairs of touch face surface acoustic wave touch screens; It is characterized in that: said reception striped array comprises X receipt line array and the Y receipt line array that is coupling that is coupling; Emission striped array comprises X axle emission striped array and Y axle emission striped array; The striped that X is coupling in the receipt line array is vertical each other with striped in the X axle emission striped array, and the Y striped that striped and Y axle in the receipt line array launch in the striped array that is coupling is vertical each other.
6. according to claim 5 pair of touch face surface acoustic wave touch screen; It is characterized in that: said X receipt line array and the X axle emission striped array that is coupling all is arranged on the place, same one side of touch face, and the Y receipt line array that is coupling is located with same one side that Y axle emission striped array all is arranged on touch face.
7. according to claim 6 pair of touch face surface acoustic wave touch screen is characterized in that: said X axle emission striped array and the X receipt line array that is coupling links together, and the Y axle is launched striped array and the Y receipt line array that is coupling and linked together.
8. according to claim 6 pair of touch face surface acoustic wave touch screen is characterized in that: said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y axle emission striped array and Y are coupling and have apart from d2 between the receipt line array, and < f/>2, wherein f is the length of X-direction substrate to satisfy 0≤d2.
9. according to claim 6 pair of touch face surface acoustic wave touch screen is characterized in that: said X axle emission striped array and the X receipt line array that is coupling links together; Y axle emission striped array and Y are coupling and have apart from d2 between the receipt line array, and satisfy 0 < d2 < f/>2, and wherein f is the length of X-direction substrate.
10. according to claim 6 pair of touch face surface acoustic wave touch screen is characterized in that: said X axle emission striped array and X are coupling and have apart from d1 between the receipt line array, and satisfy 0 < d1 < e/>2, and wherein, e is the length of Y direction substrate; Y axle emission striped array and the Y receipt line array that is coupling links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220056296 CN202632257U (en) | 2012-02-21 | 2012-02-21 | Surface acoustic wave touch screen with double touch faces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220056296 CN202632257U (en) | 2012-02-21 | 2012-02-21 | Surface acoustic wave touch screen with double touch faces |
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| CN202632257U true CN202632257U (en) | 2012-12-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609155A (en) * | 2012-02-21 | 2012-07-25 | 成都吉锐触摸技术股份有限公司 | Double-touch-face surface acoustic wave touch screen |
| CN103530000A (en) * | 2013-10-14 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Touch screen positioning device and method |
-
2012
- 2012-02-21 CN CN 201220056296 patent/CN202632257U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609155A (en) * | 2012-02-21 | 2012-07-25 | 成都吉锐触摸技术股份有限公司 | Double-touch-face surface acoustic wave touch screen |
| CN102609155B (en) * | 2012-02-21 | 2015-05-20 | 成都吉锐触摸技术股份有限公司 | Double-touch-face surface acoustic wave touch screen |
| CN103530000A (en) * | 2013-10-14 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Touch screen positioning device and method |
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