CN201207179Y - Multi-mode information input device - Google Patents
Multi-mode information input device Download PDFInfo
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- CN201207179Y CN201207179Y CNU2008200807881U CN200820080788U CN201207179Y CN 201207179 Y CN201207179 Y CN 201207179Y CN U2008200807881 U CNU2008200807881 U CN U2008200807881U CN 200820080788 U CN200820080788 U CN 200820080788U CN 201207179 Y CN201207179 Y CN 201207179Y
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- surface acoustic
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Abstract
The utility model relates to a multi-mode information input device, belonging to a field of information input of display equipment, which comprises a surface sound wave touching induction module, an electromagnetic induction module, a control module, and a display device, wherein the display device is used to fix the surface sound wave touching induction module and the electromagnetic induction module, the surface sound wave touching induction module and the electromagnetic induction module are to send the collected information after being processed by the control module to an external operation system. The surface sound wave touching induction module and the electromagnetic induction module are arranged above the control module in sequence, or the surface sound wave touching induction module is arranged above the control module and the electromagnetic induction module is arranged below the control module. The control module correspondingly controls the operations of the surface sound wave touching induction module or the electromagnetic induction module according to the input signal and input mode. The utility model has various input modes such as electromagnetic pen and touching input, and is convenient for user, and helpful to improve input efficiency.
Description
Technical field
The utility model belongs to display device information input field, relates to a kind of coordinate entering device, especially relates to a kind of coordinate and pressure input device that can adopt multiple input patterns such as touching input, pen input.
Background technology
The display device message input device is mainly touch or electromagnetic type.Utilize touching technique, icon or literal that user's only with hand refers to touch lightly on the computer display just can be realized host service function, thereby make man-machine interaction more simple and direct.But touch-screen can only be applied to the place not high to resolution requirement, can't satisfy the needs of high resolving power such as drawing.The development of electromagnetism hand-writing technique is also very ripe so far, the track that can directly input pen be drawn directly is presented on the display screen, ratio of precision touch-screen height, and can realize the input of pressure information, but the electromagnetic type handwriting screen needs to be equipped with input pen all the time, thereby is not so good as touch-screen aspect convenience.
The utility model content
Technical problem to be solved in the utility model is, the electromagnetic type handwriting screen must use the special electromagnetic pen to finish input, for the user brings inconvenience in the use, for addressing this problem, the utility model provides a kind of input but also information input equipment and method that can hand-written electromagnetism input of not only can having touched.
The technical scheme that the utility model technical solution problem is adopted is, described device comprises surface acoustic wave touch sensible module, electromagnetic induction module, control module, display device, by fixing described surface acoustic wave touch sensible module of described display device and electromagnetic induction module, described surface acoustic wave touch sensible module and electromagnetic induction module send to the peripheral operation system after the information of gathering is handled by described control module.
Described surface acoustic wave touch sensible module comprises surface acoustic wave touch screen, and described electromagnetic induction module comprises electromagnetic screen.
Described surface acoustic wave touch screen is made up of touch-screen, sonic generator, acoustic receiver, and four peripheries of touch-screen are carved with by dredging to close reflection strip.
As first embodiment, described surface acoustic wave touch screen and electromagnetic screen overlay the surface of display device mutually.Described surface acoustic wave touch screen is the transparent surface acoustic wave touching screen, and described electromagnetic screen is the transparent electromagnetic screen.Described transparent electromagnetic screen has orthogonal x direction coil and y direction coil, and described x direction coil is arranged that by transparent material layer described y direction coil is arranged by another layer transparent material.
As second embodiment, described surface acoustic wave touch screen overlays the upper surface of display device, and described electromagnetic screen overlays another surface of display device.Described surface acoustic wave touch screen is the transparent surface acoustic wave touching screen, and described electromagnetic screen is nontransparent electromagnetic screen.
The beneficial effects of the utility model are that the utility model adopts surface acoustic wave technique, has realized the multi-mode input of electromagnetic type handwriting screen, and has adopted surface acoustic wave touch screen, helps to improve the anti-scraping ability of handwriting screen, strengthens transmittance.Use the utility model, the user can select use the time writer handwriting input mode, also direct finger touch, raising input efficiency.
Description of drawings
Fig. 1 is the structured flowchart of the utility model first embodiment;
Fig. 2 overlays cross-sectional schematic on the display device mutually for the transparent surface acoustic wave touching screen of the utility model first embodiment and electromagnetic screen;
Fig. 3 is the structural representation of surface acoustic wave touch screen;
Fig. 4 judges the process flow diagram of information input pattern for the utility model;
Fig. 5 is for stacking the cross-sectional schematic of relation between the transparent surface acoustic wave touching screen of the utility model second embodiment and the electromagnetic screen.
Illustrate among the figure:
1, electromagnetic screen; 2, surface acoustic wave touch screen; 3, display device; 4, sound transmitter; 5, acoustic receiver; 6, reflection strip; 7, glass.
Embodiment
Further describe the utility model below in conjunction with accompanying drawing.
The utility model comprises surface acoustic wave touch sensible module, electromagnetic induction module, control module, and display device, by display device fixed surface acoustic wave touch induction module and electromagnetic induction module, surface acoustic wave touch sensible module and electromagnetic induction module send to the peripheral operation system after the information of gathering is handled by control module.The peripheral operation system can be messaging devices such as computing machine.
As first embodiment of the present utility model, as shown in Figure 1, surface acoustic wave touch sensible module overlays the display device top, electromagnetic induction module overlays surface acoustic wave touch sensible module top successively, electromagnetic induction module is connected with control module respectively with surface acoustic wave touch sensible module, sends to the peripheral operation system after by control module the coordinate of electromagnetic induction module and the collection of surface acoustic wave touch sensible module and pressure information being handled.In the present embodiment, surface acoustic wave touch sensible module comprises the transparent surface acoustic wave touching screen, and electromagnetic induction module comprises the transparent electromagnetic screen.
Fig. 2 is that transparent surface acoustic wave touching screen and electromagnetic screen overlay the cross-sectional schematic on the display device mutually.Surface acoustic wave touch screen and electromagnetic screen are transparent, and electromagnetic screen and surface acoustic wave touch screen overlay the top of display device successively.Be furnished with x direction and the orthogonal coil of y direction on the transparent electromagnetic screen, and two-layer transparent material arranged in order to arrange coil.X direction coil is arranged that by transparent material layer y direction coil is arranged by another layer transparent material.
Fig. 3 is the structural representation of surface acoustic wave touch screen.Surface acoustic wave touch screen is made up of touch-screen, sonic generator, acoustic receiver.Four peripheries that are covered with glass screen around the touch-screen then are carved with and are miter angle by the reflection strip of dredging the close spacing precision.Wherein, sonic generator can send a kind of high frequency sound wave and cross over screen surface, and when finger touched, the sound wave on the contact promptly was prevented from, and determines coordinate position thus.Surface acoustic wave touch screen is not subjected to such environmental effects such as temperature, humidity, and resolution is high, and fabulous scratch resistant property is arranged.
The utility model promptly is an above-mentioned advantage of considering surface acoustic wave touch screen, at coordinate and pressure input device is to increase surface acoustic wave touch screen in the electromagnetic type handwriting device, like this, two kinds of input patterns when using this device, the user are arranged, the one, on screen, write input with time writer, the 2nd, touch input.
In actual the use, this installs the pattern of the input and the information input of real-time detection information, and surface acoustic wave touch screen judges whether the information input is to touch input, and electromagnetic screen judges whether it is the time writer input.Fig. 4 is the process flow diagram of the utility model judgement information input pattern, and concrete deterministic process is as follows:
When using the time writer input, control module control electromagnetic screen carries out the detection of coordinate and pressure.Concrete testing process is: electromagnetic screen directions X coil and Y direction coil are respectively as radiating circuit and receiving circuit, resonant circuit in the time writer and the radiating circuit in the electromagnetic screen produce resonance, resonance signal is received by the receiving circuit on the electromagnetic screen again, electromagnetic screen calculates relative position and the pressure of time writer in electromagnetic screen according to the variation of the power variation of return signal or frequency, phase place.
When touching input, control module control surface acoustic wave touching screen carries out coordinate and detects.Concrete testing process is: the electric signal that pinger sends control module is converted into acoustic wave energy and transmits to touch-screen left surface, one group of accurate reflection strip by touch-screen glass plate bottom is reflected into even face transmission upwards to acoustic wave energy then, acoustic wave energy is through the screen surface, gather to become to the right line to propagate acoustic receiver to X-axis by the reflection strip of top again, acoustic receiver becomes electric signal with the surface acoustic wave energy that returns.
After burst pulse of sonic generator emission, acoustic wave energy is gone through different approaches and is arrived acoustic receiver, walk rightmost arrival the earliest, walk leftmost arrival the latest, these acoustic wave energies with arriving evening that early arrive are superimposed as the waveform signal of a broad, and received signal has been gathered all and gone through the acoustic wave energy that the different paths of length return in X-direction, and the distance that they are passed by in Y-axis is identical, but on X-axis, farthest than the nearest twice X-axis ultimate range of having walked more.Therefore the time shaft of this waveform signal reflects each the preceding position of original waveform stack, just X-axis coordinate.
Transmit with the received signal waveform when not touching, the waveform of received signal is with just the same with reference to waveform.When finger or other can absorb or stop the object touch screen of acoustic wave energy the time, X-axis is partially absorbed by way of the acoustic wave energy that finger position makes progress away, is reflected at that to receive on the waveform be that waveform has a decay breach on a certain moment position.
Receive the corresponding finger of the waveform breach that blocked position signal attenuation, calculate gap position and promptly get touch coordinate.Control module analyzes the decay of received signal and by the location determination X coordinate of breach, the same process of Y-axis determines the Y coordinate of touch point afterwards.
Also may there be following two kinds of situations in actual use in above-mentioned two kinds of input patterns:
The one, when hand-held time writer is write on display device, because surface acoustic wave touch screen is the top that is placed on display device, so user's hand may contact with surface acoustic wave touch screen, like this, surface acoustic wave touch screen will detect the input of touch information, disturbs the operate as normal of electromagnetic screen.Present embodiment is at this kind situation that may exist, in control module, set in advance the time writer input pattern and have higher priority, when control module detects time writer input signal and touch input signal and deposits, the shielded surfaces acoustic wave touching screen, the detection of coordinate and pressure is carried out in the work of indication electromagnetic screen.
When two persons of being to use imported with finger touch, palm may contact display device, and at this moment, surface acoustic wave touch screen not only can detect the input information of finger, also can detect the information of palm, thereby needed shielding palm information.Present embodiment preestablishes one and is used to judge the threshold value that touches the input area in control module, when the detected input area of control module during greater than this threshold value, it is invalid to import, and promptly the palm input information is invalid.When the detected input area of control module during less than this threshold value, input effectively, the coordinate that surface acoustic wave touch screen work is pointed and the detection of pressure information.
As second embodiment of the present utility model, be with the first embodiment difference, as shown in Figure 5, surface acoustic wave touch sensible module overlays the top of display device, electromagnetic induction module overlays the below of display device, sends to the peripheral operation system after by control module the coordinate of electromagnetic induction module and the collection of surface acoustic wave touch sensible module and pressure information being handled.Surface acoustic wave touch sensible module comprises the transparent surface acoustic wave touching screen, and electromagnetic induction module comprises electromagnetic screen, and electromagnetic screen is made by non-transparent material, and like this, electromagnetic screen X, Y direction coil can be arranged in on the layer of material.The workflow of present embodiment is identical with first embodiment.
The mode that the utility model adopts electromagnetism input and surface acoustic wave input to combine, selecting for use of convenient multiple input pattern can reach good input effect.
Claims (8)
1, a kind of multi-mode message input device, it is characterized in that, described device comprises surface acoustic wave touch sensible module, electromagnetic induction module, control module, display device, by fixing described surface acoustic wave touch sensible module of described display device and electromagnetic induction module, described surface acoustic wave touch sensible module and electromagnetic induction module send to the peripheral operation system after the information of gathering is handled by described control module.
2, multi-mode message input device according to claim 1 is characterized in that, described surface acoustic wave touch sensible module comprises surface acoustic wave touch screen, and described electromagnetic induction module comprises electromagnetic screen.
3, multi-mode message input device according to claim 2 is characterized in that, surface acoustic wave touch screen is made up of touch-screen, sonic generator, acoustic receiver, and four peripheries of touch-screen are carved with by dredging to close reflection strip.
4, multi-mode message input device according to claim 2 is characterized in that, described surface acoustic wave touch screen and electromagnetic screen overlay the surface of display device mutually.
5, multi-mode message input device according to claim 4 is characterized in that, described surface acoustic wave touch screen is the transparent surface acoustic wave touching screen, and described electromagnetic screen is the transparent electromagnetic screen.
6, multi-mode message input device according to claim 5, it is characterized in that, described transparent electromagnetic screen has orthogonal x direction coil and y direction coil, and described x direction coil is arranged that by transparent material layer described y direction coil is arranged by another layer transparent material.
7, multi-mode message input device according to claim 2 is characterized in that, described surface acoustic wave touch screen overlays the upper surface of display device, and described electromagnetic screen overlays another surface of display device.
8, multi-mode message input device according to claim 7 is characterized in that, described surface acoustic wave touch screen is the transparent surface acoustic wave touching screen, and described electromagnetic screen is nontransparent electromagnetic screen.
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| CNU2008200807881U CN201207179Y (en) | 2008-05-23 | 2008-05-23 | Multi-mode information input device |
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| CNU2008200807881U CN201207179Y (en) | 2008-05-23 | 2008-05-23 | Multi-mode information input device |
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