CN102768600A - Sensing type input device and input method thereof - Google Patents
Sensing type input device and input method thereof Download PDFInfo
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- CN102768600A CN102768600A CN2011101202967A CN201110120296A CN102768600A CN 102768600 A CN102768600 A CN 102768600A CN 2011101202967 A CN2011101202967 A CN 2011101202967A CN 201110120296 A CN201110120296 A CN 201110120296A CN 102768600 A CN102768600 A CN 102768600A
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Abstract
The invention relates to a sensing type input device and an input method of the sensing type input device. The sensing type input device comprises multiple sensing units and a processing unit, and can be used for keyboard simulation. The sensing units form a detection area and are used for sensing an object in the detection area so as to obtain corresponding distance detection values. The processing unit is used for reading the distance detection values of each of the sensing units, and converting the distance detection values into the corresponding input signals.
Description
Technical field
The present invention relates to a kind of sensing and detecting type input media and input method thereof, particularly a kind of sensing and detecting type input media and input method thereof of Simutation keyboard.
Background technology
Along with popularizing of computing machine, keyboard and mouse have become the highest message input device of general popular acceptance level.Be difficult to take in but traditional physical keyboard volume is big, more do not have the user and be ready to carry as input media.
This there is recently manufacturer developed the input technology of contact panel (Touch Panel).But the contact panel transmittance of resistance-type is relatively poor; Though capacitive contact panel transmittance is good, be vulnerable to temperature, humidity or the influence of ground connection situation during work, so less stable.Though and contact panel is frivolous than physical keyboard, volume takes up space greatly, therefore on carrying, still has inconvenience.
Also there is manufacturer to develop the technology of projection type virtual keyboard, in the hope of replacing traditional physical keyboard.But projection type virtual keyboard needs the keyboard picture of the institute of projection always emulation, therefore very power consumption.And because having, the technology of projection shows and the use angle restriction, therefore this dummy keyboard and be not easy to use.In addition, the volume of projection type virtual keyboard is bigger, obviously also run counter to electronic product in light weight, volume is little and the research and development trend that is convenient for carrying.
Summary of the invention
In order to address the above problem, the objective of the invention is to propose a kind of sensing and detecting type input media and input method thereof.
The sensing and detecting type input media comprises a plurality of sensing cells and a processing unit.Wherein sensing cell can comprise a RF transmitter and a panadaptor.RF transmitter is in order to send an infrared ray; And panadaptor and RF transmitter are paired, the infrared ray that is reflected in order to reception.
The input method of sensing and detecting type input media comprises: utilize sensing cell to detect the object in the surveyed area that sensing cell constitutes; Read one of each sensing cell and detect distance value; And will detect the input signal that distance value converts correspondence to.
Processing unit can detect the object position of distance value calculating object at surveyed area according to these, and converts object's position to input signal.In more detail, surveyed area can be divided into a plurality of key areas, and processing unit can contrast the key area that a key area location tables obtains the object place according to object's position, converts the key area to input signal again.
The sensing and detecting type input media also can comprise a keyboard representation unit.The keyboard representation configuration of cells is among surveyed area, in order to represent these key areas.And but a computer keyboard is represented in the emulation of keyboard representation unit, and the key area is a button of simulating keyboard of computer respectively.
The sensing and detecting type input media also can comprise a transmission unit; Transmission unit will send an electronic installation to corresponding to input signal of object with wireless or wired mode.
Implement example according to one, when arbitrary sensing cell detects object in surveyed area, the sensing cell that detects object calculate its with distance between objects as the detection distance value.Otherwise when arbitrary sensing cell did not detect object in surveyed area, the sensing cell that does not detect object was set a default value (default value) as detecting distance value, does not detect object with expression.
And processing unit can not be that at least one sensing cell of default value is chosen the unit as one with detecting distance value; The ordinate of the position of unit will be chosen again, and the horizontal ordinate of the detection distance value of unit will be chosen as object's position as object's position.
In sum, sensing and detecting type input media and input method thereof utilize sensing cell to detect the detection distance value of the object that is positioned at surveyed area, and are converted into corresponding to input signal of object.The sensing and detecting type input media only needs sensing cell and processing unit to operate, therefore light use easily again; And its cost is far beyond existing contact panel or projection type virtual keyboard is cheap.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Figure 1A is the block scheme of the sensing and detecting type input media of an enforcement example;
Figure 1B implements the block scheme of the sensing and detecting type input media of example for another;
Fig. 2 one implements the process flow diagram of input method of the sensing and detecting type input media of example;
Fig. 3 A is the synoptic diagram of the sensing and detecting type input media of an enforcement example;
Fig. 3 B is the synoptic diagram of the sensing and detecting type input media of an enforcement example;
Fig. 3 C is the synoptic diagram of the sensing and detecting type input media of an enforcement example;
Fig. 3 D is the synoptic diagram of the sensing and detecting type input media of an enforcement example.
Wherein, Reference numeral
10 sensing and detecting type input medias
12,12a, 12b, 12c, 12d, 12e sensing cell
14 processing units
16 transmission units
18 keyboard representation unit
182 emulation buttons
19 reference points are represented the unit
192 luminescence components
20 surveyed areas
22 key areas
24a, the 24b reference point
30 objects
40 electronic installations
Embodiment
Below in embodiment, be described in detail detailed features of the present invention and advantage; Its content is enough to make any those skilled in the art to understand technology contents of the present invention and implements according to this; And according to content, claim scope and the accompanying drawing that this instructions disclosed, any those skilled in the art can understand purpose and the advantage that the present invention is correlated with easily.
The present invention proposes a kind of sensing and detecting type input media and input method thereof, and it can be in order to the traditional input medias such as keyboard of emulation.Please with reference to Figure 1A, it is the block scheme of the sensing and detecting type input media of an enforcement example.
Sensing and detecting type input media 10 comprises a plurality of sensing cell 12a, 12b, 12c, 12d and 12e (following general designation sensing cell 12) and a processing unit 14.Wherein each sensing cell 12 can for example be infrared ray range sensor or ultrasonic range sensor.According to an enforcement example, each sensing cell 12 can have neighbor configuration and a paired RF transmitter and a panadaptor.RF transmitter is in order to send an infrared ray, the infrared ray that panadaptor then is reflected in order to reception.
Sensing cell 12 itself judges whether the infrared ray that sends is stopped, is positioned at its sensing range to have judged whether any object 30.And the infrared ray by object 30 reflections through panadaptor receives is strong and weak, lets sensing cell 12 can learn this object 30 and the distance between self.
Please be simultaneously with reference to Fig. 2, it is to be one to implement the process flow diagram of input method of the sensing and detecting type input media of example.
At first utilize sensing cell 12 to detect to be arranged in the object 30 (step S100) of the surveyed area 20 that these sensing cells 12 are constituted, the finger that wherein object 30 for example can the person of being to use or the nib of pointer.It is noted that the big I of surveyed area 20 is set by processing unit 14, is not to be the sensing range of these sensing cell 12 capabilities.The sensing range that for example general infrared ray distance detector can reach is between 5 centimetres to 45 centimetres, but the surveyed area 20 of sensing and detecting type input media 10 can be set between 5 centimetres to 30 centimetres on demand.In other words, though sensing cell 12 at the object 30 that physically can detect between 5 centimetres to 45 centimetres, sensing and detecting type input media 10 can only judge whether that object 30 falls within apart from the surveyed area 20 between its 5 centimetres to 30 centimetres.Detect the object 30 that is positioned at beyond the surveyed area 20 if having, can ignore.
Wherein surveyed area 20 can be divided into a plurality of key areas 22; And in the sensing and detecting type input media 10 can in have a key area location tables, cut apart the mode of key area 22 with record.Also can store a plurality of different keys regional location tables among the sensing and detecting type input media 10, with surveyed area 20 and key area 22 corresponding to different sizes.Through a switch key or the change-over switch of sensing and detecting type input media 10, the user can according to demand sensing switch formula input media 10 present corresponding key regional location tables.In addition, the key area location tables also can be updated from the outside.
Please with reference to Figure 1B, it implements the block scheme of the sensing and detecting type input media of example for another.
Learn the configuration of present key area 22 for the convenience of the users, sensing and detecting type input media 10 can comprise a keyboard representation unit 18.Keyboard representation unit 18 is disposed among the surveyed area 20, and a plurality of emulation buttons 182 of keyboard representation unit 18 are in order to represent each key area 22.A computer keyboard can be represented in keyboard representation unit 18, and these key areas 22 and emulation button 182 be the button of simulating keyboard of computer respectively.For example can be in order to simulation standard qwerty keyboard, numeric keypad, or by user's keyboard of definition push key configuration voluntarily.Each key area 22 and emulation button 182 are then represented each button on the keyboard of institute's emulation, for example " Q " key or " 1 " key.
More particularly, keyboard representation unit 18 can be plastic plate or the paper that is printed with emulation button 182, and its material can be flexible material or flexible material not.Keyboard representation unit 18 even can be the scratch paper that emulation button 182 is decorated with in a craft, the present invention does not limit the technique of expression of keyboard representation unit 18 and emulation button 182.
In order to judge the object position of object 30 at surveyed area 20, processing unit 14 reads one of each sensing cell 12 and detects distance value (step S110).Wherein fixed cycle property emission infrared ray, receiving infrared-ray and calculate and detect distance value of sensing cell 12 reads distance for processing unit 14.Sensing cell 12 also can be just to begin to detect after being processed the instruction triggers of sending unit 14.
Implement example according to one, when arbitrary sensing cell 12 detects object 30 in surveyed area 20, the sensing cell 12 that detects object 30 calculate its with object 30 between distance as the detection distance value.For example the sensing cell 12b among Figure 1A detects object 30, and the distance between the sensing cell 12b of repayment and the object 30 is as detecting distance value.And when arbitrary sensing cell 12 does not detect object 30 in surveyed area 20; The sensing cell 12 (for example sensing cell 12a, 12c, 12d and the 12e among Figure 1A) that does not detect object 30 is set a default value (default value) as detecting distance value, does not detect object 30 with expression.
Obtain after the detection distance value of each sensing cell 12, processing unit 14 also will detect the input signal (step S120) that distance value converts correspondence to.Processing unit 14 is according to the position and the detection distance value of these sensing cells 12, and calculating object 30 is at the object's position of surveyed area 20.The key area location tables that processing unit 14 uses according to the object's position contrast more at present to obtain the key area 22 at object 30 places, converts key area 22 to input signal again.
In more detail, processing unit 14 can be earlier be not that at least one sensing cell 12 of default value is chosen the unit as one with detecting distance value; With this position of choosing the unit as the ordinate of object 30 at the object's position of surveyed area 20; And will choose the horizontal ordinate of the detection distance value of unit as object's position.With Figure 1A is example, and unique sensing cell 12b that detects object 30 is positioned at the 2nd row, and the distance between suppose object 30 and the sensing cell 12b is 20 centimetres, and then processing unit 14 can learn that the object's position of present object 30 is (20,2).
And after step S120, processing unit 14 can will send an electronic installation 40 corresponding to the input signal of object 30 to wireless or wired mode through a transmission unit 16.Wherein electronic installation 40 can be the wheeled apparatus that mobile phone or tablet computer etc. are unfavorable for disposing physical keyboard.Suppose that processing unit 14 consults the key area location tables and learn the key area 22 of object 30 corresponding to " W " key, just send the input signal of representative " W " key and give electronic installation 40.In addition, if there is other object 30 to be arranged in different rows key area 22 simultaneously, also can be detected by other sensing cell 12a, 12c, 12d or 12e.
In addition, survey the formula input media and multiple enforcement example can be arranged, like Fig. 3 A to shown in Fig. 3 D.
In the enforcement example of Fig. 3 A, the RF transmitter of sensing cell 12 can level emission infrared ray.When sensing cell 12 does not detect object 30 in surveyed area 20, can not detect object 30 with expression with predefined default value as detecting distance value.
And in the enforcement example of Fig. 3 B, the RF transmitter of sensing cell 12 is slightly launched infrared ray down; The infrared ray of launching is that the edge at surveyed area 20 is stopped by keyboard representation unit 18 or desktop.Then when sensing cell 12 did not detect object 30 in surveyed area 20, detecting distance value can be getable critical value, did not detect object 30 with expression.
Preferably, sensing cell 12 is disposed at lower positions such as desktop, is caused erroneous judgement in order to avoid sense user's palm or other incoherent object.
If the required surveyed area 20 of user exceeds sensing cell 12 sensing range physically greatly, two groups of sensing cells 12 about sensing and detecting type input media 10 can and be used are like Fig. 3 C.After two groups of all sensing cells 12, execution in step S120 was converted to the input signal corresponding to the object in the surveyed area 20 30 again about processing unit 14 read.
In the enforcement example of Fig. 3 D, a reference point of sensing and detecting type input media 10 representes that unit 19 comprises at least one luminescence component 192.Among Fig. 3 D, luminescence component 192 forms two reference point 24a and 24b in the plane, and its can represent " F " key on the standard qwerty keyboard and " J ' positioning convex point on the key.Thus, being used to the user of touch system need not see that keyboard representation unit 18 also can import comfortablely.
In sum, the sensing cell that sensing and detecting type input media and input method utilization thereof can detect distance detects the object be positioned at surveyed area, and automatically according to object's position and in the key area location tables of building transmit corresponding to input signal of object.The unit that the sensing and detecting type input media is possessed is less and volume that take is minimum, and is therefore in light weight, volume is little is convenient for carrying again.And the sensing and detecting type input media only needs sensing cell and processing unit to operate, and not only uses not fragilely simply again, and cost is far beyond existing contact panel or projection type virtual keyboard is cheap.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a sensing and detecting type input media is characterized in that, comprising:
A plurality of sensing cells, those sensing cells constitute a surveyed area, the sensing position in this surveyed area an object and obtain one and detect distance value; And
One processing unit reads this detection distance value of each this sensing cell, and those are detected distance values converts a corresponding input signal to.
2. sensing and detecting type input media according to claim 1; It is characterized in that; This surveyed area is divided into a plurality of key areas; This processing unit obtains this key area that this object belongs to according to an object position versus one key area location tables, and this key area with this object place converts this input signal to again.
3. sensing and detecting type input media according to claim 2 is characterized in that, also comprises:
A computer keyboard is represented in one keyboard representation unit, and this keyboard representation configuration of cells is among this surveyed area, in order to represent those key areas; And
One transmission unit will send an electronic installation to corresponding to this input signal of this object with wireless or wired mode.
4. sensing and detecting type input media according to claim 1 is characterized in that, each this sensing cell comprises:
One RF transmitter is in order to send an infrared ray; And
One panadaptor, paired with this RF transmitter, the infrared ray that is reflected in order to reception.
5. sensing and detecting type input media according to claim 1; It is characterized in that; When arbitrary this sensing cell did not detect this object in this surveyed area, this sensing cell that does not detect this object was set a default value and is detected distance value as this, did not detect this object with expression.
6. sensing and detecting type input media according to claim 5; It is characterized in that; It is not that at least one this sensing cell of this default value is chosen the unit as one that this processing unit will detect distance value; Again with this position of choosing the unit as the ordinate of this object in an object position of this surveyed area, and this is chosen the horizontal ordinate of this detection distance value of unit as this object's position.
7. the input method of a sensing and detecting type input media is characterized in that, comprising:
Utilize a plurality of sensing cells detections to be arranged in an object of a surveyed area of those sensing cells formations;
Read one of each this sensing cell and detect distance value; And
Those are detected distance value convert a corresponding input signal to.
8. the input method of sensing and detecting type input media according to claim 7 is characterized in that, this surveyed area is divided into a plurality of key areas, and the said step that converts those detection distance values to corresponding this input signal comprises:
Position and those detection distance values according to those sensing cells calculate the object position of this object at this surveyed area; And
Contrast this key area that a key area location tables obtains this object place according to this object's position, convert this key area to this input signal again.
9. the input method of sensing and detecting type input media according to claim 8; It is characterized in that; When arbitrary this sensing cell does not detect this object in this surveyed area; This sensing cell that does not detect this object is set a default value and is detected distance value as this, does not detect this object with expression; And said position and those according to those sensing cells detect distance value and calculate this object and comprise in the step of this object's position of this surveyed area:
With this detection distance value is not that at least one this sensing cell of this default value is chosen the unit as one;
With this position of choosing the unit as the ordinate of this object at this object's position of this surveyed area; And
This is chosen the horizontal ordinate of this detection distance value of unit as this object's position.
10. the input method of sensing and detecting type input media according to claim 7 is characterized in that, said those are detected the step that distance values convert this corresponding input signal to after, also comprise:
To send an electronic installation to corresponding to this input signal of this object with wireless or wired mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101202967A CN102768600A (en) | 2011-05-06 | 2011-05-06 | Sensing type input device and input method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101202967A CN102768600A (en) | 2011-05-06 | 2011-05-06 | Sensing type input device and input method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269658A (en) * | 1999-03-26 | 2000-10-11 | 诺基亚流动电话有限公司 | Input apparatus for hand input-data and mobile telephone |
| CN101685250A (en) * | 2008-09-24 | 2010-03-31 | 深圳富泰宏精密工业有限公司 | Portable electronic device |
| CN102023796A (en) * | 2009-09-11 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Display system of virtual keyboard and realization method thereof |
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- 2011-05-06 CN CN2011101202967A patent/CN102768600A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269658A (en) * | 1999-03-26 | 2000-10-11 | 诺基亚流动电话有限公司 | Input apparatus for hand input-data and mobile telephone |
| CN101685250A (en) * | 2008-09-24 | 2010-03-31 | 深圳富泰宏精密工业有限公司 | Portable electronic device |
| CN102023796A (en) * | 2009-09-11 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Display system of virtual keyboard and realization method thereof |
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Application publication date: 20121107 |