CN102023753B - A kind of proximity test device and electronic equipment - Google Patents
A kind of proximity test device and electronic equipment Download PDFInfo
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- CN102023753B CN102023753B CN200910092844.2A CN200910092844A CN102023753B CN 102023753 B CN102023753 B CN 102023753B CN 200910092844 A CN200910092844 A CN 200910092844A CN 102023753 B CN102023753 B CN 102023753B
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Abstract
The invention provides a kind of proximity test device and electronic equipment, this proximity test device, comprising: first detection module, has the first Optical Transmit Unit and the first optical detecting unit, for obtaining the first smooth testing result giving directions thing; Second detection module, has the second Optical Transmit Unit and the second optical detecting unit, for obtaining the second smooth testing result of described indication thing; Close to determination module, be connected with described first detection module and the second detection module, for judging that whether described indication thing is close to a region according to described first smooth testing result and described second smooth testing result; Wherein, the distance between described first Optical Transmit Unit and the first optical detecting unit is less than the spacing of described first Optical Transmit Unit and the second optical detecting unit; Distance between described second Optical Transmit Unit and the second optical detecting unit is less than the spacing of described second Optical Transmit Unit and the first optical detecting unit.Present invention achieves reliable and proximity test accurately.
Description
Technical field
The present invention relates to touching technique field, particularly a kind of proximity test device and electronic equipment.
Background technology
The use of touch-screen in PC and various handheld device is day by day universal.
But present touch-screen is all just can respond when giving directions thing (as finger or writing pencil etc.) touch touch-screen or give directions thing very near screen, causes Consumer's Experience bad.
If the close and possible contact point of giving directions thing can just be detected before indication thing touches touch-screen, will user be supplied to more, better experience.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of proximity test device, touch-screen and electronic equipment, for touch-screen, makes to give directions thing just can detect when distance touch-screen certain distance, promotes Consumer's Experience.
To achieve these goals, embodiments provide a kind of proximity test device, comprising:
First detection module, has the first Optical Transmit Unit and the first optical detecting unit, for obtaining the first smooth testing result giving directions thing;
Second detection module, has the second Optical Transmit Unit and the second optical detecting unit, for obtaining the second smooth testing result of described indication thing;
Close to determination module, be connected with described first detection module and the second detection module, for judging that whether described indication thing is close to a region according to described first smooth testing result and described second smooth testing result;
Wherein, the distance between described first Optical Transmit Unit and the first optical detecting unit is less than the spacing of described first Optical Transmit Unit and the second optical detecting unit;
Distance between described second Optical Transmit Unit and the second optical detecting unit is less than the spacing of described second Optical Transmit Unit and the first optical detecting unit.
Above-mentioned proximity test device, wherein, the light that described first optical detecting unit and the second optical detecting unit detect is the light of described indication thing reflection.
Above-mentioned proximity test device, wherein, optical detecting unit energy and the light belonging to the Optical Transmit Unit in same detection module and launch only can be detected.
Above-mentioned proximity test device, wherein, is provided with partition apparatus between the Optical Transmit Unit in same detection module and optical detecting unit.
Above-mentioned proximity test device, wherein, described at least two detection modules also comprise:
3rd detection module, has the 3rd Optical Transmit Unit and the 3rd optical detecting unit, for obtaining the 3rd smooth testing result giving directions thing.
To achieve these goals, the embodiment of the present invention additionally provides a kind of electronic equipment, and a proximity test region is positioned at described electronic equipment or keeps at a certain distance away with described electronic equipment, and described electronic equipment comprises:
First detection module, has the first Optical Transmit Unit and the first optical detecting unit, for obtaining the first smooth testing result giving directions thing;
Second detection module, has the second Optical Transmit Unit and the second optical detecting unit, for obtaining the second smooth testing result of described indication thing;
Close to determination module, be connected with described first detection module and the second detection module, for judging that whether described indication thing is close to described proximity test region according to described first smooth testing result and described second smooth testing result;
Wherein, the distance between described first Optical Transmit Unit and the first optical detecting unit is less than the spacing of described first Optical Transmit Unit and the second optical detecting unit;
Distance between described second Optical Transmit Unit and the second optical detecting unit is less than the spacing of described second Optical Transmit Unit and the first optical detecting unit.
Above-mentioned electronic equipment, wherein, the light that described first optical detecting unit and the second optical detecting unit detect is the light of described indication thing reflection.
Above-mentioned electronic equipment, wherein, optical detecting unit energy and the light belonging to the Optical Transmit Unit in same detection module and launch only can be detected.
Above-mentioned electronic equipment, wherein, the Optical Transmit Unit in same detection module and be provided with partition apparatus between the first optical detecting unit.
Above-mentioned electronic equipment, wherein, also comprises locating module and the 3rd detection module, described 3rd detection module, has the 3rd Optical Transmit Unit and the 3rd optical detecting unit, for obtaining the 3rd smooth testing result giving directions thing; Described locating module is used for the coordinate calculating described indication thing according to light testing result.
Above-mentioned electronic equipment, wherein:
Described electronic equipment has the input area carrying out input operation for user;
Described proximity test region overlaps with described input area or keeps at a certain distance away.
Above-mentioned electronic equipment, wherein, combines by touching device and display screen the touch-screen formed;
Described input area is the region that described touch-screen limits;
Described proximity test region and described input area interval first distance;
Detection module is arranged at around described touch-screen.
The embodiment of the present invention has following beneficial effect:
In the embodiment of the present invention, comprise at least two detection modules, by the respective testing result of all detection modules, comprehensive descision gives directions the position of thing, improves reliability and the accuracy of detection;
In the embodiment of the present invention, the distance belonged between the transmitter unit of identical detection module and receiving element is less than the distance between the transmitter unit of the detection module belonging to different and receiving element, improves the effect of detection, further increases the reliability of detection;
In the embodiment of the present invention, belong between the transmitter unit of identical detection module and receiving element and have a partition apparatus, therefore, it is possible to the light preventing transmitter unit from sending directly received unit reception, further increase the reliability of system;
In the embodiment of the present invention, when the quantity of detection module has more than 3 or 3, not only can realize proximity test, indication article coordinate can also be located, for touch control.
Accompanying drawing explanation
Fig. 1 is the structural representation of the proximity test device of the embodiment of the present invention;
Fig. 2 is a kind of principle schematic realizing proximity test of detection module in the proximity test device of the embodiment of the present invention;
Fig. 3 is the another kind of principle schematic realizing proximity test of detection module in the proximity test device of the embodiment of the present invention;
Fig. 4 be detection module in the proximity test device of the embodiment of the present invention another realize the principle schematic of proximity test.
Embodiment
In the proximity test device of the embodiment of the present invention and electronic equipment, by arranging at least two pairs of detection modules, every a pair detection module all comprises a transmitter unit and a receiving element, close to judgment means after finding that receiving element detects the light sent by transmitter unit of giving directions thing reflection, can judge to give directions thing close.
As shown in Figure 1, the proximity test device of the embodiment of the present invention, comprises at least two detection modules and close to determination module, wherein:
Described at least two detection modules comprise:
Correspondence is provided with the first detection module of the first Optical Transmit Unit and the first optical detecting unit; With
Correspondence is provided with the second detection module of the second Optical Transmit Unit and the second optical detecting unit;
Whether describedly give directions thing close to a region close to determination module specifically for judging according to the light testing result of the optical detecting unit in described at least two detection modules, this region is proximity test region;
Distance between described first Optical Transmit Unit and the first optical detecting unit is less than the spacing of described first Optical Transmit Unit and the second optical detecting unit;
Distance between described second Optical Transmit Unit and the second optical detecting unit is less than the spacing of described second Optical Transmit Unit and the first optical detecting unit;
The light that optical detecting unit in described at least two detection modules detects is by the part of described indication thing reflection in the light of the light emitting units emitting of correspondence.
In a particular embodiment of the present invention, this proximity test device can be applied to touch-screen, and described proximity test region overlaps with touch input area, can certainly arrange at interval.
The electronic equipment of the embodiment of the present invention, one proximity test region be positioned at described electronic equipment or with described electronic equipment spaced surface certain distance, be provided with a proximity test device, wherein proximity test device, comprise at least two detection modules and close to determination module, wherein:
Described at least two detection modules comprise:
Correspondence is provided with the first detection module of the first Optical Transmit Unit and the first optical detecting unit; With
Correspondence is provided with the second detection module of the second Optical Transmit Unit and the second optical detecting unit;
Described close to determination module specifically for judging to give directions thing whether close to a proximity test region according to first of the optical detecting unit in described at least two detection modules the smooth testing result;
Distance between described first Optical Transmit Unit and the first optical detecting unit is less than the spacing of described first Optical Transmit Unit and the second optical detecting unit;
Distance between described second Optical Transmit Unit and the second optical detecting unit is less than the spacing of described second Optical Transmit Unit and the first optical detecting unit;
The light that optical detecting unit in described at least two detection modules detects for described in light emitting units emitting at least two detection modules light in by the part of described indication thing reflection.
Specifically how to realize proximity test to the proximity test device of the embodiment of the present invention and electronic equipment to be below described in detail.
Each Optical Transmit Unit launches the light of preset frequency, as shown in Figure 2, wherein the square of top represents Optical Transmit Unit, the right of the square of below represents the optical receiving region of light receiving unit, and light A is the light being in coboundary in the light of light emitting units emitting, as can be seen from Figure 2, when giving directions thing (being finger in figure) to enter a proximity test overlying regions, in the light beam of light emitting units emitting, part between light A and light B given directions thing reflect laggard enter the light receiving surface of light receiving unit, and in the light beam of light emitting units emitting, part outside light A and light B can not enter the light receiving surface of light receiving unit, once the light receiving surface of light receiving unit receives light, then can generation current, detect by close to determination module, then can judge to give directions thing to judge reverberation distance close to touch area and according to the size of generation current.
Certainly, should be understood that, the light of actual transmission may not have so large angle, and Fig. 2 is only used to illustrate the clearly principle schematic made not represent actual conditions.
Can find from Fig. 2, if give directions thing from position shown in Fig. 2 close to this proximity test region, then just indication thing can be detected when giving directions the distance between thing and proximity test region to be H.
In fig. 2, be arranged at Optical Transmit Unit the explanation carried out on optical detecting unit, but this optical detecting unit also can be arranged on Optical Transmit Unit, adjustment emission angle.
In fig. 2, be with Optical Transmit Unit and optical detecting unit setting up and down, being positioned at different height is the explanation that example is carried out, but it should be understood that, due to light emitting units emitting is light beam, also be fine so the two is arranged at sustained height, as shown in Figure 3, the right side of square wherein represents the optical receiving region of light receiving unit, because Optical Transmit Unit and light receiving unit are arranged at sustained height, so the two overlaps, only can see one, can find from Fig. 3, if give directions thing from position shown in Fig. 3 close to proximity test region, just indication thing can be detected when then giving directions the distance between thing and proximity test region to be H.
The set-up mode of another Optical Transmit Unit and optical detecting unit as shown in Figure 4, illustrated therein is 3 detection modules, be arranged at around input area, as for notebook computer, this input area is keyboard area, these 3 detection modules can be arranged on the frame in keyboard of notebook computer region, 3 detection modules are to emission of light above keyboard area, give directions thing close to time, the light of transmitting can be reflected back detection module downwards, optical detecting unit can detect, for follow-up proximity test, location etc.
For the situation shown in Fig. 4, this input area may be also touch-screen, as the touch-screen of the equipment such as mobile phone, PDA.
In above-mentioned citing, the explanation carried out with input area and proximity test area coincidence, but it should be understood that, the two also can not overlap, and illustrates as follows.
As in notebook computer, input area is keyboard area, and this proximity test region can be the LCD plane of notebook, and this detection module can be arranged on the LCD frame of notebook.
In touch-screen mobile phone, input area be touch-screen limit region, and this proximity test region can be this touch-screen mobile phone touch-screen outside region, as below etc.
Simultaneously, in a particular embodiment of the present invention, in order to avoid the mutual interference between different detection module, the frequency of operation of each detection module is all not identical, that is optical detecting unit energy and the light belonging to the Optical Transmit Unit in same detection module and launch only can be detected.
Consider in the specific embodiment of the invention, Optical Transmit Unit in detection module and optical detecting unit close on setting, in order to the light receiving surface preventing the light of light emitting units emitting from directly entering optical detecting unit, in the specific embodiment of the invention, detection module is provided with a partition apparatus, is directly received by optical detecting unit for stoping the light of light emitting units emitting.
Be described above the realization of the proximity test in the embodiment of the present invention, but it should be understood that, in a particular embodiment of the present invention, if detection module arranges more than 3 or 3, this detection module can also be utilized to locate the concrete coordinate of giving directions thing further, be described as follows.
The illumination of the light received due to optical detecting unit and give directions square being inversely proportional to of the distance between thing and optical detecting unit, so the illumination of the light received according to optical detecting unit can obtain giving directions the distance between thing and optical detecting unit;
When knowing the distance of 3 optical detecting units and indication thing, consider that the coordinate of optical detecting unit is known, and give directions the coordinate of thing to be X, Y, Z, only have 3 position quantity, according to the coordinate of optical detecting unit with apart from then obtaining 3 equations, owing to only having 3 parameters, therefore necessary coordinate X, Y and Z that can calculate indication thing, system of equations is as follows:
(X-X1)
2+(Y-Y1)
2+(Z-Z1)
2＝D1
2
(X-X2)
2+(Y-Y2)
2+(Z-Z2)
2＝D2
2
(X-X3)
2+(Y-Y3)
2+(Z-Z3)
2＝D3
2
Wherein the coordinate of 3 optical detecting units is respectively (X1Y1Z1), (X2Y2Z2), (X3Y3Z3), belong to known parameter, and give directions thing to be respectively D1, D2 and D3 to the distance of 3 optical detecting units, it also can obtain according to the actual parameter of optical detecting unit and square distance law of reciprocity, so only have 3 unknown quantitys X, Y and Z in above-mentioned 3 equations, can by calculating.
Certainly, if need location to give directions thing, then whether the testing result of optical detecting unit just can not only have light to be received, and also should determine the illumination of the light received.
Therefore, in the embodiment of the present invention, when being provided with more than 3 or 3 detection modules, then can locating the coordinate of giving directions thing, be supplied to application program and carry out touch control.
Illustrate the application scenarios of the embodiment of the present invention below.
In the explanation of application scenarios, to overlap with proximity test region and input area and the two kinds of situations that do not overlap are described.
< proximity test region and input area coincidence >
For notebook computer, assuming that its display screen is touch-screen, that is input area is the region that this touch-screen limits, and this proximity test region in front of the touch screen square predeterminable range (as 10cm, 20cm etc.) when waiting for Text Input, at indication thing close in the process of touch-screen, once give directions thing distance touch-screen reach or be less than predeterminable range, a soft keyboard will be called showing at touch-screen, thing is given directions to continue close to this touch-screen, and give directions the character (as Y character) on this soft keyboard, now will export this character Y in Text Entry, therefore achieve proximity test and touch the combination inputted.
Again for notebook computer, when waiting for Text Input, when indication thing being detected close to keyboard area, recall software dish, and when giving directions thing to leave, software dish disappears.Certainly, also can be that user eliminates software dish by alternate manner.
When detection module has more than 3 or 3, the position that software dish occurs can be decided according to giving directions the position of thing.
Continue for notebook computer, when start menu ejects, accurate finder for the convenience of the user, when indication thing being detected close to keyboard area, amplifies start menu, and restores to the original state after the operation of user's option program completes.
When detection module has more than 3 or 3, can also after amplification, thing is given directions in location, and according to giving directions the position of thing to determine that user needs the program opened.
For notebook computer, under playback of media files state, when indication thing being detected close to keyboard area, suspending and playing media file, and the operation recovering playback of media files can be give directions thing to leave keyboard area, or user recovers to play by the mode such as mouse, keyboard.
For the electronic equipment with touch-screen, under playback of media files state, giving directions thing close to when touching input area (region of namely touch screen surface restriction) when detecting, suspending and playing media file.
Certainly, the embodiment of the present invention can also be applied to various occasion, does not enumerate at this.
< proximity test region and input area do not overlap >
For notebook, in unlatching Instant Messenger (IM) software, and in the minimized situation of this software, when indication thing being detected close to lcd screen, ejecting Instant Messenger (IM) software, making it to maximize,
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. an electronic equipment, is characterized in that, a proximity test region be positioned at described electronic equipment or with described electronic equipment spaced surface certain distance, described electronic equipment comprises:
First detection module, has the first Optical Transmit Unit and the first optical detecting unit, for obtaining the first smooth testing result giving directions thing;
Second detection module, has the second Optical Transmit Unit and the second optical detecting unit, for obtaining the second smooth testing result of described indication thing;
Close to determination module, be connected with described first detection module and the second detection module, for judging that whether described indication thing is close to described proximity test region according to described first smooth testing result and described second smooth testing result;
The touch-screen formed is combined by touching device and display screen;
Wherein, described electronic equipment has the input area carrying out input operation for user; Described input area is the region that described touch-screen limits;
Described proximity test region overlaps with described input area or keeps at a certain distance away;
When described input area does not show dummy keyboard, judge that described indication thing is close to described proximity test region if described close to determination module, then make described input area show dummy keyboard;
When described input area has shown dummy keyboard, judge that described indication thing leaves described proximity test region if described close to determination module, then made described input area stop display dummy keyboard;
Distance between described first Optical Transmit Unit and the first optical detecting unit is less than the spacing of described first Optical Transmit Unit and the second optical detecting unit;
Distance between described second Optical Transmit Unit and the second optical detecting unit is less than the spacing of described second Optical Transmit Unit and the first optical detecting unit;
The light that described first optical detecting unit and the second optical detecting unit detect is the light of described indication thing reflection;
Optical detecting unit energy and the light belonging to the Optical Transmit Unit in same detection module and launch only can be detected.
2. electronic equipment according to claim 1, is characterized in that, the Optical Transmit Unit in same detection module and be provided with partition apparatus between the first optical detecting unit.
3. electronic equipment according to claim 1, is characterized in that, also comprises locating module and the 3rd detection module, and described 3rd detection module has the 3rd Optical Transmit Unit and the 3rd optical detecting unit, for obtaining the 3rd smooth testing result giving directions thing; Described locating module is used for the coordinate calculating described indication thing according to light testing result.
4. electronic equipment according to claim 1, is characterized in that,
Described proximity test region and described input area interval first distance;
Detection module is arranged at around described touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910092844.2A CN102023753B (en) | 2009-09-09 | 2009-09-09 | A kind of proximity test device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910092844.2A CN102023753B (en) | 2009-09-09 | 2009-09-09 | A kind of proximity test device and electronic equipment |
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| CN102023753A CN102023753A (en) | 2011-04-20 |
| CN102023753B true CN102023753B (en) | 2015-12-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI496036B (en) * | 2013-05-23 | 2015-08-11 | Wistron Corp | Optical touch system and optical touch method |
| EP3193192B1 (en) * | 2016-01-12 | 2020-04-29 | ams AG | Optical sensor arrangement |
| CN106598358B (en) * | 2016-12-06 | 2020-01-14 | Oppo广东移动通信有限公司 | Proximity detection method and device and terminal |
| CN106775137B (en) * | 2016-12-06 | 2019-10-25 | Oppo广东移动通信有限公司 | Proximity test method, device and mobile terminal |
| CN109739431A (en) * | 2018-12-29 | 2019-05-10 | 联想(北京)有限公司 | A kind of control method and electronic equipment |
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