CN201600668U - Touch system - Google Patents
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- CN201600668U CN201600668U CN2009202460930U CN200920246093U CN201600668U CN 201600668 U CN201600668 U CN 201600668U CN 2009202460930 U CN2009202460930 U CN 2009202460930U CN 200920246093 U CN200920246093 U CN 200920246093U CN 201600668 U CN201600668 U CN 201600668U
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Abstract
The utility model discloses a touch system which comprises a touch panel, a sensor, a main touch induction system and an awakening circuit. The sensor is connected with the touch panel or a border, and is used for detecting deformation of the touch panel or the border due to being touched; the main touch induction system is used for inducting touch on the touch panel and calculating the position of effective touch; and the awakening circuit which is connected with the sensor and the main touch induction system is used for defining that the touch on the touch panel belongs to effective touch, wrong touch or response effective touch according to the deformation of the touch panel or the border, and then generating and transmitting an awakening signal to the main touch induction system. The touch system not only can effectively shield wrong touch, but also can reduce power consumption and save energy.
Description
Technical field
The utility model relates to photoelectric detection technology field, relates in particular to a kind of touch system.
Background technology
Adopt the electronic console of touch-input function to be applied to multiple device, comprise portable and handheld apparatus.A kind of typical touch-screen is installed on the electronic console.This touch-screen can be capacitive touch screen, resistive touch screen, infrared type touch-screen, surface acoustic wave type touch-screen, camera head type touch-screen.People cause this type of device to increase sharply to portable and the increase portable electric device degree of concern.This concern is accompanied by and has caused people to the concern in serviceable life of portable and handheld apparatus, especially to the power demand aspect.Adopt the technology that reduces power consumption in the touch input device can advantageously prolong the serviceable life of portable electron device, described portable electron device combines touch-input function under the situation that recharges or change battery.
The utility model content
The purpose of this utility model is to provide a kind of have long service life, touch system that power consumption is little, to overcome weak point of the prior art.
By a kind of touch system of this purpose design, this touch system includes
Touch panel;
Sensor links to each other with described touch panel or frame, is used to detect the deformation by touching caused touch panel or frame;
Main touch sensing system is used for the touch on the touch sensitive panel, calculates the position that effectively touches; And
Wake-up circuit, link to each other with main touch sensing system with described sensor, be used for confirming that according to the deformation of touch panel or frame touch on the touch panel is effectively to touch or false touch is touched and responded effective touch, produces a wake-up signal and described wake-up signal and sends to described main touch sensing system.
In technique scheme, the utility model is by adopting sensor by the deformation that touches caused touch panel, confirm that according to the deformation of detected touch panel the touch on the touch panel is that effectively touch or false touch are touched by wake-up circuit again, if for false touch is touched, just do not respond; If be effectively to touch then response effectively touches and produces wake-up signal, wake master controller up by wake-up signal, realized waking up of touch system like this, effectively shielded false touch and touched; Simultaneity factor does not touch at Preset Time, and master controller will enter dormant state, can reduce the power consumption of whole touch system like this.
Description of drawings
Fig. 1 is first kind of structural representation of the utility model embodiment one described a kind of touch system;
Fig. 2 is the utility model embodiment one described a kind of second kind of structural representation that wakes touch up;
Fig. 3 is the utility model embodiment one described a kind of the third structural representation that wakes touch up;
Fig. 4 is the utility model embodiment one described a kind of process flow diagram that wakes the method for touch up;
Fig. 5 is the utility model embodiment one described a kind of another kind of process flow diagram that wakes the method for touch up;
Fig. 6 is the scheme of installation of sensor on touch panel in the utility model;
Fig. 7 is the concrete refinement synoptic diagram of Fig. 1;
Fig. 8 is the another kind of concrete refinement synoptic diagram of Fig. 1;
Fig. 9 is a kind of touch electrical block diagram that wakes up described in the utility model;
Figure 10 is that another kind described in the utility model wakes the touch electrical block diagram up;
Figure 11 is the structural representation of the utility model embodiment two described a kind of touch systems;
Figure 12 A is the mounting structure synoptic diagram of the utility model embodiment two described a kind of touch panels and frame;
Figure 12 B is the mounting structure synoptic diagram of the utility model embodiment two described a kind of sensors and frame;
Figure 13 is a kind of process flow diagram that wakes the method for touch up in the utility model embodiment two described a kind of touch systems;
Figure 14 is a kind of another kind of process flow diagram that wakes the method for touch up in the utility model embodiment two described a kind of touch systems.
Embodiment
The utility model will be further described below in conjunction with specification drawings and specific embodiments.
In the context among each embodiment of the utility model, term " effectively touch " is meant touch panel that is detected or the frame deformation of wishing to be interpreted as touching input, cause incident that this touch panel shape or frame become and owing to sensor receives the signal that these touch panel deformation or frame produce.Term " false touch is touched " is meant touch panel deformation that is detected or the frame of not wishing to be interpreted as touching input, the incident that causes this touch panel deformation or frame and owing to sensor receives the signal that these touch panel deformation or frame produce.For example, false touch is picked a pocket and is drawn together owing to variation, the winged insect of ambient temperature or air pressure are run into touch panel, raindrop cause the signal that the touch panel deformation in the touch system produces to touch panel.Touch system described in the utility model is meant the system that includes touch-screen.This touch system does not have effective touch operation will enter the sleep state in the default time.
Fig. 1 is the utility model one described a kind of touch system structural representation, and this touch system includes touch panel 101, main touch sensing system, sensor 105 and controller electron device 106.Main touch sensing system among this embodiment is an optical touch screen, and promptly the main touch sensing system in the present embodiment is to utilize imageing sensor to use triangulation to realize the touch-screen that touch objects is positioned.This optical touch screen includes light source 103, retroreflecting bar 102, infrared camera 104, i.e. imageing sensor in this enforcement is an infrared camera 104, and number is two, is installed on two adjacent angles of touch panel 101; Light source 103 be installed in infrared camera 104 near, light source in this enforcement 103 adopts infrared light supplies; Retroreflecting bar 102 is installed on three edges of touch panel 101, near its light reflected back light source 103 that is used for light source 103 is sent, so that provide the image information of catching touch objects required illumination for infrared camera 104.Sensor 105 is four, is installed on two edges of touch face of touch panel 101, is used for the deformation of senses touch panel 101.Sensor 105 can be the one or more combination in foil gauge, Fibre Optical Sensor, the piezoelectric element.Adopt Fibre Optical Sensor in this enforcement,, be applied to the deformation that can detect touch panel 101 in the utility model well because Fibre Optical Sensor has the sensitivity of height.Certainly also can adopt foil gauge or piezoelectric element to come the deformation of senses touch panel 101 in actual applications.Controller electron device 106 links to each other with sensor 105 with infrared camera 104 respectively, and promptly controller electron device 106 links to each other with 2 infrared cameras 104, also links to each other with 4 sensors 105.Be separated from each other at Fig. 1 middle controller electron device 106 and touch panel, in actual applications generally with controller electron device 106 and being made of one of touch panel.In this enforcement in order to make sensor 105 can detect the deformation of touch panel 101 well, four sensors 105 have been used, it also is feasible also can only using a sensor 105 in actual applications, detect comparatively speaking when only using a sensor 105 to detect the deformation of touch panel 101 weak effect some.Also sensor 105 can be installed in touch panel 101 other positions in actual applications, as shown in Figures 2 and 3.The difference of Fig. 2 and Fig. 3 and Fig. 1 just is that the installation site of sensor 105 on touch panel 101 is different, among Fig. 2 sensor 105 is installed in the opposite of the touch face of touch panel 101, be sensor 105 be installed in touch panel 101 below, help the deformation that sensor 105 detects touch panel 101 like this; Among Fig. 2 for represent sensor 105 be installed in touch panel 101 below, so sensor 105 has used dotted line to represent.Among Fig. 3 sensor 105 is installed in the side of touch panel 101, sensor 105 also can detect the deformation of touch panel 101 like this.
Fig. 4 is the utility model embodiment one described a kind of process flow diagram that wakes the method for touch up, and this method of waking touch up may further comprise the steps:
Step 400: the deformation of senses touch panel.
This step particular content is for detecting by the deformation that touches caused touch panel.When on the touch panel touch being arranged, this touch will cause that deformation to a certain degree takes place touch panel.The deformation size that touch panel takes place is relevant with the suffered touch of touch panel, and as when winged insect is run into touch panel, this touch only can cause that less deformation takes place touch panel; The deformation that touch the cause touch panel of deformation ratio when winged insect is run into touch panel that during the conscious operation touch system of adult the touch panel that touch causes of touch panel is taken place takes place wants big.Here the deformation of senses touch panel is to detect by sensor, and the sensor of the deformation of this senses touch panel can be foil gauge, Fibre Optical Sensor, piezoelectric element, also can be foil gauge, Fibre Optical Sensor, the two or more combination of piezoelectric element.Sensor generally is installed on the touch panel, and its concrete condition is seen Fig. 6 and the corresponding explanatory note of Fig. 6.The deformation that the detected touch panel of sensor is taken place is generally with a kind of expression the in voltage signal, current signal, simulating signal, the digital signal.Here the deformation of senses touch panel can come reality in the deformation that is parallel to each other on the direction with touch panel by the senses touch panel, also can come reality by the deformation that detects on other direction.
Step 401: judgement is that effectively touch or false touch are touched.
This step particular content is for confirming that according to the deformation of touch panel this touch is that effectively touch or false touch are touched.For reaching the purpose of this step, can first predetermined threshold value, when carrying out, this step just deformation data and this threshold value of the touch panel that obtained in the step 400 compared, if the deformation data of the touch panel of acquisition is less than preset threshold value, then this time touch is touched execution in step 404 for false touch; If the deformation data of the touch panel that obtains more than or equal to preset threshold value, then this time touches to effectively touching execution in step 403.Here deformation data is meant a kind of in simulating signals such as voltage signal, current signal and the digital signal.
Step 403:, produce wake-up signal if effectively touch.
Touch to effectively touching if step 402 is judged, then carry out this step and will produce a wake-up signal, wake-up signal is mainly used in and forwards control system to running status from the sleep state.
Step 404:, do not produce wake-up signal if false touch is touched.
Touch for false touch if step 402 is judged to touch, then carry out this step and do not produce wake-up signal, system can not handle operation to touch.
Fig. 5 is the utility model embodiment one described a kind of another kind of process flow diagram that wakes the method for touch up, and this method of waking touch up may further comprise the steps:
Step 500: the deformation of senses touch panel.
This step is the same with step 400 situation among Fig. 4, has not just repeated at this.
Step 501: detected deformation and threshold value are compared.
When carrying out, this step just deformation data and this threshold value of the touch panel that obtained in the step 500 compared.
Step 502: whether be that false touch is touched.
When carrying out, this step determines according in the step 501 deformation data of the touch panel that obtained in the step 500 and this threshold value being compared situation whether the touch to touch panel is that false touch is touched, if the deformation data of the touch panel that obtains is less than preset threshold value, then this time touch is touched execution in step 504 for false touch; If the deformation data of the touch panel that obtains more than or equal to preset threshold value, then this time touches to effectively touching execution in step 503.
Step 503: produce wake-up signal.
If determine in the step 502 that the touch to touch panel is effectively to touch, to carry out this step and will produce a wake-up signal, this wake-up signal is mainly used in and forwards control system to running status from the sleep state.Execute after this step with regard to execution in step 505.
Step 504: do not produce wake-up signal.
If determine in the step 502 that the touch to touch panel is that false touch is touched, carry out this step and just can not produce a wake-up signal, system just can not handle operation to this touch.Execute after this step system's execution in step 500 according to circumstances.
Step 505: wake-up signal is sent to control system.
Carrying out this step and the wake-up signal that produces in the step 503 can be sent to control system, is that wake-up signal is sent in the electron device of at least one processor of control system or circuit or touch input device generally speaking.In one approach, wake-up signal is sent to a processor, and this processor sends to one or more wake-up signals other processors, parts or the device of this touch input device.In another approach, a plurality of wake-up signals can be sent to a plurality of processors, parts or the device of touch input device.
Step 506: control system is converted to running status by sleep state.
Carrying out this step mainly is the received wake-up signal of response, and receiving-member is transformed into running status from sleep state.
In said method, if confirm that the touch to touch panel is that false touch is touched, then touch system can not carried out any operation, has so just effectively shielded false touch and has touched.
Fig. 6 has embodied a concentrated reflection of the position installation situation of sensor 105 on touch panel 101, and wherein sensor 105A is installed on the touch face of touch panel 101, and its situation is as the position installation situation of sensor among Fig. 1 105 on touch panel 101; Sensor 105B is installed in the opposite of the touch face of touch panel 101, promptly sensor 105 be installed in touch panel 101 below, the position installation situation of sensor 105 on touch panel 101 is identical among its situation such as Fig. 2; Sensor 105C is installed in the side of touch panel 101, and its situation is as the position installation situation of sensor among Fig. 3 105 on touch panel 101.
Fig. 7 is the concrete refinement to Fig. 1, promptly the controller electron device among Fig. 1 106 has been carried out refinement.As can be seen from Figure 7 controller electron device 106 includes primary processor 701, wakes touch circuit 702, bus 704 up, and controller electron device 106 carries out communication by interface 705 and touch panel.Although as required can be the outside of some or all combination of elements of controller electron device 106 to external touch panel shell in particular design, controller electron device 106 typically consists of one with the touch input device that also comprises touch panel 101.According to structure shown in Figure 7, wake touch circuit 702 up and link to each other with interface 705 with primary processor 701.
In this configuration, primary processor 701 is responsible for the calculating of operation touch location, calibration and other correlation functions.Primary processor 701 is also managed signal transmission of carrying out at touch panel 101 and 106 of controller electron devices by interface 705 and the signal transmission of carrying out by bus 704 between controller electron device 106 and external system or peripheral hardware.Preferably, primary processor 701 has engaged digital signal processor (DSP) or field programmable gate array (FPGA).Bus 704 makes primary processor 701 and another system or device communicate to connect, described identical or device as computer or with Fig. 7 in the display system of touch input device collaborative work.
The analog current signal that the signal that sends to controller electron device 106 from touch panel 101 is produced by touch sensor 104 typically, should be appreciated that this analog current signal can be by being arranged on the circuit between touch panel 101 and the controller electron device 106 or becoming the analog or digital voltage signal by the circuit conversion of primary processor 701.
Wake up and touch circuit 702 and be shown as with interface 705 and link to each other, (effectively or mistake) the touch input signal that is used for that sensor 105 produces.Wake touch circuit 702 up and typically be configured to have high input impedance, in order to avoid to causing adverse effect at touch panel 101 and 106 transmission of controller electron device induced signal by interface 705.
In another configuration, wake touch circuit 702 up and can be connected between interface 705 and the primary processor 701.In aforesaid structure, preferably, wake up and touch circuit 702 and be used to respond to produce and be used to wake the signal that touches assessment up, and the signal that can not sense transmission between touch panel 101 and controller electron device 106 and other signals or data cause adverse effect by touch panel 101.
In response to the effective touch that detects touch panel 101, wake 702 generations one of touch circuit up and be sent to primary processor 701 wake-up signals.In response to receiving the wake-up signal that touches circuit 702 from waking up, primary processor 701 converts the use pattern to from sleep pattern.After converting the use pattern to from sleep pattern, primary processor 701 recovers normal operation, comprises and carries out touch location calculation.
Fig. 8 has shown another embodiment of the controller electron device 106 that communicates to connect with touch panel 101.According to present embodiment, controller electron device 106 comprises an I/O controller 801, and it links to each other with primary processor 701 by bus 803.Adopted I/O controller 801 in the present embodiment, be used to manage by the I/O signal transmission of bus 704 between controller electron device 106 and external system or device.
In a kind of structure, I/O controller 801 be implemented to manage by as serial line interface or bus and so on the signal transmission carried out of high-speed interface 704.Adopt this routine mode, bus 704 can adapt to the high-speed serial bus framework, and as USB (USB (universal serial bus)) framework, I/O controller 801 can be implemented to the signal transmission that harmony is undertaken by universal serial bus 704.According to current USB standard, no matter used what devices, I/O controller 801 can only be managed the signal transmission of being undertaken by universal serial bus 704 with an IRQ (interruption).Provide the plug and play concatenation ability according to USB standard configuration bus 704.Like this, controller electron device 106 can be at any time inserts and extracts from different ports, and the unfavorable result with join dependency can not occur.At present, the usb data transfer rate can reach per second 480 megabits (as USB2.0).
As shown in Figure 8, wake up and touch circuit 702 and I/O controller 801, interface 705 links to each other, and links to each other with primary processor 701 alternatively.In another structure, waking touch circuit 702 up can link to each other with the front end of I/O controller 801, perhaps is combined as the interface between I/O controller 801 and the bus 705.Aforesaid structure, wake up and touch circuit 702 and preferably be configured to receive induced signal, and can not cause adverse effect the transmission of the induced signal between touch panel 101 and the controller electron device 106 and other signals or data from touch panel 101.
According to the described structure of Fig. 8, waking touch circuit 702 up can link to each other with I/O controller 801, like this, wakes the wake-up signal that touches the circuit generation up and is transferred to I/O controller 801 by circuit 804.In this structure, the I/O processor converts the use pattern in response to wake-up signal to from sleep pattern.After converting the use pattern to from sleep pattern, I/O controller 801 can judge whether need to activate other parts, for example the miscellaneous part of primary processor 701 or controller electron device 106 and/or engaged the control system of the mancarried device of touch panel 101.Alternatively, I/O controller 801 can generate second wake-up signal from circuit 802 transmission to primary processor 701 by bus 803.In another configuration, wake touch circuit 702 up and can generate wake-up signal, and wake-up signal is sent to I/O controller 801 (by circuit 804) and primary processor 701 (by circuit 805).
Of the present utility modelly wake the power consumption that touch method can obviously reduce touch input device up, the power consumption of especially portable and hand-held touch input system.For example, each of primary processor 701 and I/O controller 801 needs the electric current of hundreds of milliampere when operate as normal.By adopting of the present utility model waking up to touch circuit 702, under sleep pattern, most of circuit of primary processor 701 and I/O controller 801 can be closed, like this, and the sub-fraction in the time of can arriving all operations to the power reduction of needs.
Waking touch circuit 702 up needs power seldom to move.For example, when sleep pattern, wake up touch circuit 702 can be implemented as from a 5v direct supply extract less than hundreds of microampere electric current (as, less than 500uA) electric current.Like this, for example wake up when touching circuit 702 work, when controller electron device 106 was in sleep pattern, overall current is extracted can be less than 10011A.
Fig. 9 touches a kind of structural representation of circuit for described in the utility model waking up, and this wakes the touch circuit up and includes signal amplifier 900, low-pass filter 901, peak value shaping circuit 902, comparator circuit 903, threshold voltage unit 904.When on the touch panel 101 of touch system touch being arranged, this touch will cause the deformation of touch panel 101, at this moment is positioned at the voltage signal output that the sensor 105 on the touch panel 101 just can detect this deformation that touches caused touch panel 101 and the deformation of detected touch panel 101 be produced correspondence.Sensor 105 output voltage signals are amplified to a certain degree by signal amplifier 900, handle with the circuit that makes things convenient for the back.Signal amplifier 900 is mainly the voltage amplification type, and enlargement factor can be adjusted according to actual conditions, usually about 30 times.The target signal filter higher than useful signal frequency, useful signal is usually less than 1KHZ by low-pass filter 901 for signal amplifier 900 amplifying signals.Compare processing by peak value shaping circuit 902 with the comparator circuit that makes things convenient for the back then.The threshold voltage signal that threshold voltage 904 is produced is a constant magnitude of voltage, the threshold voltage that signal after the shaping of 903 processes of comparator circuit peak value and threshold voltage 904 are produced compares, when being greater than or equal to the signal of threshold voltage through the signal after the peak value shaping is effective touch signal, at this moment comparator circuit 903 can produce a wake-up signal, and with this wake-up signal output, wake-up signal is a low level usually; When being lower than the signal of threshold voltage through the signal after the peak value shaping is that signal is touched in false touch, and at this moment comparator circuit 903 can not produce wake-up signal.The regulation voltage threshold values just can be regulated the sensitivity of whole wake-up circuit in this embodiment.
Figure 10 touches a kind of structural representation of circuit for described in the utility model waking up, and this wakes the touch circuit up and comprises signal amplification circuit 900, low-pass filter 901, A/D converter 1000, processor 1001.When on the touch panel 101 of touch system touch being arranged, this touch will cause the deformation of touch panel 101, at this moment is positioned at voltage or current signal output that the sensor 105 on the touch panel 101 just can detect this deformation that touches caused touch panel 101 and the deformation of detected touch panel 101 be produced correspondence.Sensor 105 output voltages or current signal are amplified to a certain degree by signal amplifier 900, handle with the circuit that makes things convenient for the back.900 amplification multiple of signal amplifier can be adjusted according to actual conditions, usually about 30 times.The outer high-frequency signal filtering of useful signal, useful signal is usually less than 1KHZ by low-pass filter 901 for signal amplifier 900 amplifying signals.Handle with the comparator circuit that makes things convenient for the back by peak value shaping circuit 902 then.A/D converter 1000 carries out data acquisition to the signal of low-pass filter 901 outputs under the control of processor 1001 programs, the analog-signal transitions of low-pass filter 901 outputs is become digital signal.Processor 1001 is gathered according to certain sampling rate and quantified precision under programmed control, processing is by judging digitized magnitude of voltage, also can carry out the mode of waveform recognition and judge whether signal is effective, if be judged as signal effectively then export effective wake-up signal.
Figure 11 is a kind of touch system structural representation shown in the utility model embodiment two,, this touch system includes touch panel 101, main touch sensing system, sensor 105 and controller electron device 106.Main touch sensing system among this embodiment is an infrared touch panel.This infrared touch panel include infrared transmitting tube display 1101 and, infrared receiving tube display 1102, touch panel 101 and frame 1103, wherein touch panel 101 is installed on the frame 1103, and touch panel 101 is installed in concrete condition on the frame 1103 shown in Figure 12 A; Infrared transmitting tube display 1101 and infrared receiving tube display 1102 are arranged in the four edges of frame 1103, it is 1102 relative that infrared transmitting tube display 1101 and an infrared receiving tube display, so that form infrared cellular grid, promptly the infrared transmitting tube in present embodiment display 1101 and infrared receiving tube display 1102 has been formed two infrared tube has been displayed.Sensor 105 is four, is installed on four angles of frame 1103 lower surfaces, is used to detect the deformation of frame 1103.Sensor 105 can be the one or more combination in foil gauge, Fibre Optical Sensor, the piezoelectric element.Adopt Fibre Optical Sensor in this enforcement,, be applied to the deformation that can detect frame 1103 in the utility model well because Fibre Optical Sensor has the sensitivity of height.Certainly also can adopt foil gauge or piezoelectric element to detect the deformation of frame 1103 in actual applications.Controller electron device 106 links to each other with sensor 105 with infrared transmitting tube display 1101, infrared receiving tube display 1102 respectively, and promptly controller electron device 106 displays with two pairs of infrared tubes and links to each other, and also links to each other with 4 sensors 105.Be separated from each other at Figure 11 middle controller electron device 106 and frame 1103, in actual applications generally with controller electron device 106 and frame 1103 being made of one.In this enforcement in order to make sensor 105 can detect the deformation of frame 1103 well, four sensors 105 have been used, it also is feasible also can only using a sensor 105 in actual applications, detect comparatively speaking when only using a sensor 105 to detect the deformation of frame 1103 weak effect some.Also sensor 105 can be installed in frame 1103 other positions in actual applications, concrete condition can be shown in Figure 12 B.Figure 12 B has embodied a concentrated reflection of the position installation situation of sensor 105 on frame 1103, and wherein sensors A is installed in the upper surface of frame 1103; Sensor 105B is installed in the lower surface of frame 1103; Sensor C is installed in the side of frame 1103.Waking up in the controller electron device 106 among Figure 11 touches waking up in the controller electron device 106 among circuit working principle and Fig. 1, and to touch the circuit working principle the same, just do not repeated at this.
Figure 13 is the utility model embodiment two described a kind of process flow diagrams that wake the method for touch up, and this method of waking touch up may further comprise the steps:
Step 1300: detect the deformation of frame.
This step particular content is for detecting by the deformation that touches caused frame.When on the touch panel touch being arranged, this touch can cause that through touch panel deformation to a certain degree takes place frame, because touch panel is installed on the frame, has made integrated with frame.The deformation size that frame takes place is relevant with the suffered touch of touch panel, and as when winged insect is run into touch panel, this touch only can cause that less deformation takes place frame; The deformation that touch the cause frame of deformation ratio when winged insect is run into touch panel that during the conscious operation touch system of adult the frame that touch causes of touch panel is taken place takes place wants big.Here the deformation that detects frame is to detect by sensor, and the sensor of the deformation of this detection frame can be foil gauge, Fibre Optical Sensor, piezoelectric element, also can be foil gauge, Fibre Optical Sensor, the two or more combination of piezoelectric element.Sensor generally is installed on the frame, and its concrete condition is seen Figure 12 B and the corresponding explanatory note of Figure 12 B.The deformation that the detected frame of sensor took place is generally with a kind of expression the in simulating signals such as voltage signal, current signal and the digital signal.Here the deformation that detects frame can come reality in the deformation that is parallel to each other on the direction with frame by detecting frame, also can come reality by the deformation that detects on other direction.
Step 1101: judgement is that effectively touch or false touch are touched.
This step is the same with step 401 among the embodiment one, has not just repeated at this.
Step 1103:, produce wake-up signal if effectively touch.
This step is the same with step 402 among the embodiment one, has not just repeated at this.
Step 1104:, do not produce wake-up signal if false touch is touched.
This step is the same with step 403 among the embodiment one, has not just repeated at this.
Figure 14 is the utility model embodiment two described a kind of another kind of process flow diagrams that wake the method for touch up, and this method of waking touch up may further comprise the steps:
Step 1400: detect the deformation of frame.
This step is the same with step 1300 situation among Figure 13, has not just repeated at this.
Step 1401: detected deformation and threshold value are compared.
This step is the same with step 501 among the embodiment one, has not just repeated at this.
Step 1402: whether be that false touch is touched.
This step is the same with step 502 among the embodiment one, has not just repeated at this.
Step 1403: produce wake-up signal.
This step is the same with step 503 among the embodiment one, has not just repeated at this.
Step 1404: do not produce wake-up signal.
This step is the same with step 504 among the embodiment one, has not just repeated at this.
Step 1405: wake-up signal is sent to control system.
This step is the same with step 505 among the embodiment one, has not just repeated at this.
Step 1406: control system is converted to running status by sleep state.
This step is the same with step 506 among the embodiment one, has not just repeated at this.
In said method, if confirm that the touch to frame is that false touch is touched, then touch system can not carried out any operation, has so just effectively shielded false touch and has touched.
Main touch sensing system described in the utility model also can be other touch sensing systems such as electric resistance touch screen, capacitance touch screen, projection-type capacitive touch screen, surface acoustic wave touch screen, flexural wave touch-screen, when technical scheme described in the utility model is applied on electric resistance touch screen, capacitance touch screen, projection-type capacitive touch screen, surface acoustic wave touch screen, the flexural wave touch-screen, the installation site of sensor, wake up touch circuit basic with embodiment 3 described in the utility model in described situation similar, just do not described in detail at this.
Method described in the utility model is not limited to the embodiment described in the embodiment.Those skilled in the art draw other embodiment according to the technical solution of the utility model, belong to technological innovation scope of the present utility model equally.
Claims (7)
1. a touch system is characterized in that, this touch system includes
Touch panel;
Sensor links to each other with described touch panel or frame, is used to detect the deformation by touching caused touch panel or frame;
Main touch sensing system is used for the touch on the touch sensitive panel, calculates the position that effectively touches; And
Wake-up circuit, link to each other with main touch sensing system with described sensor, be used for confirming that according to the deformation of touch panel or frame touch on the touch panel is effectively to touch or false touch is touched and responded effective touch, produces a wake-up signal and described wake-up signal and sends to described main touch sensing system.
2. a kind of touch system according to claim 1 is characterized in that: described sensor is the one or more combination in foil gauge, Fibre Optical Sensor, the piezoelectric element.
3. a kind of touch system according to claim 1 is characterized in that: described sensor is installed in the touch face that described touch panel touches or the opposite of the face of touch.
4. a kind of touch system according to claim 3 is characterized in that: described sensor is installed in the corner of described touch panel.
5. a kind of touch system according to claim 1 is characterized in that: described sensor is installed in the upper surface or the lower surface of described frame.
6. a kind of touch system according to claim 1 is characterized in that: described sensor is installed in the side of described touch panel or frame.
7. according to the described a kind of touch system of one of claim 1 to 6, it is characterized in that: described main touch sensing system is a kind of in electric resistance touch screen, capacitance touch screen, projection-type capacitive touch screen, infrared touch panel, optical touch screen, surface acoustic wave touch screen, the flexural wave touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202460930U CN201600668U (en) | 2009-09-28 | 2009-09-28 | Touch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202460930U CN201600668U (en) | 2009-09-28 | 2009-09-28 | Touch system |
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| CN201600668U true CN201600668U (en) | 2010-10-06 |
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| CN2009202460930U Expired - Fee Related CN201600668U (en) | 2009-09-28 | 2009-09-28 | Touch system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011035739A1 (en) * | 2009-09-28 | 2011-03-31 | 北京汇冠新技术股份有限公司 | Method for preventing false touch operation in touch system and touch system thereof |
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| CN102306132A (en) * | 2011-08-10 | 2012-01-04 | 中兴通讯股份有限公司 | Mobile terminal and method for waking up mobile terminal |
| CN102955626A (en) * | 2011-08-19 | 2013-03-06 | 意法半导体(中国)投资有限公司 | Circuit and sensing method for capacitive sensing equipment |
| CN102968242A (en) * | 2012-11-12 | 2013-03-13 | 中兴通讯股份有限公司 | Screen state control method, screen state control device and touch screen terminal |
| CN103019478A (en) * | 2012-12-14 | 2013-04-03 | 中国科学院深圳先进技术研究院 | Touch control device and touch control detection method based on curved face display |
| WO2013067723A1 (en) * | 2011-11-09 | 2013-05-16 | 江苏惠通集团有限责任公司 | Touch device and adaptive method thereof |
| CN103186296A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Surface acoustic wave touch pad and manufacturing method thereof |
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| CN104423661A (en) * | 2013-08-29 | 2015-03-18 | 上海斐讯数据通信技术有限公司 | Mobile terminal and method for preventing wrong touch on touch screen |
| CN106354416A (en) * | 2016-10-10 | 2017-01-25 | 广东小天才科技有限公司 | Mistaken touch preventing method and device |
| US9886121B2 (en) | 2014-10-29 | 2018-02-06 | Shanghai Avic Optoelectronics Co., Ltd. | Touch control display panel and touch control method thereof, and touch control display device |
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2009
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| WO2011035739A1 (en) * | 2009-09-28 | 2011-03-31 | 北京汇冠新技术股份有限公司 | Method for preventing false touch operation in touch system and touch system thereof |
| CN102033638A (en) * | 2009-09-28 | 2011-04-27 | 北京汇冠新技术股份有限公司 | Method for awakening touch and touch system |
| CN102306132A (en) * | 2011-08-10 | 2012-01-04 | 中兴通讯股份有限公司 | Mobile terminal and method for waking up mobile terminal |
| CN102955626A (en) * | 2011-08-19 | 2013-03-06 | 意法半导体(中国)投资有限公司 | Circuit and sensing method for capacitive sensing equipment |
| CN102955626B (en) * | 2011-08-19 | 2016-03-16 | 意法半导体(中国)投资有限公司 | For method for sensing and the circuit of capacitive sensing equipment |
| WO2013067723A1 (en) * | 2011-11-09 | 2013-05-16 | 江苏惠通集团有限责任公司 | Touch device and adaptive method thereof |
| CN103186296B (en) * | 2011-12-29 | 2017-02-08 | 鸿富锦精密工业（深圳）有限公司 | Surface acoustic wave touch pad and manufacturing method thereof |
| CN103186296A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Surface acoustic wave touch pad and manufacturing method thereof |
| WO2013182117A1 (en) * | 2012-11-12 | 2013-12-12 | 中兴通讯股份有限公司 | Screen state control method, device, and touchscreen terminal |
| CN102968242A (en) * | 2012-11-12 | 2013-03-13 | 中兴通讯股份有限公司 | Screen state control method, screen state control device and touch screen terminal |
| CN103019478A (en) * | 2012-12-14 | 2013-04-03 | 中国科学院深圳先进技术研究院 | Touch control device and touch control detection method based on curved face display |
| CN103019478B (en) * | 2012-12-14 | 2016-05-25 | 中国科学院深圳先进技术研究院 | The contactor control device and the touch control detecting method that show based on curved surface |
| WO2014101552A1 (en) * | 2012-12-27 | 2014-07-03 | 深圳市汇顶科技股份有限公司 | Light sensor and touch screen terminal |
| CN104423661A (en) * | 2013-08-29 | 2015-03-18 | 上海斐讯数据通信技术有限公司 | Mobile terminal and method for preventing wrong touch on touch screen |
| US9886121B2 (en) | 2014-10-29 | 2018-02-06 | Shanghai Avic Optoelectronics Co., Ltd. | Touch control display panel and touch control method thereof, and touch control display device |
| CN106354416A (en) * | 2016-10-10 | 2017-01-25 | 广东小天才科技有限公司 | Mistaken touch preventing method and device |
| CN111522473A (en) * | 2019-02-01 | 2020-08-11 | 纬创资通股份有限公司 | Optical touch panel and pressure measurement method thereof |
| TWI713987B (en) * | 2019-02-01 | 2020-12-21 | 緯創資通股份有限公司 | Optical touch panel and pressure measurement method thereof |
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