CN101685350A - Computer input unit, dual-spectrum data input processing method and sensor thereof - Google Patents
Computer input unit, dual-spectrum data input processing method and sensor thereof Download PDFInfo
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- CN101685350A CN101685350A CN200810167124A CN200810167124A CN101685350A CN 101685350 A CN101685350 A CN 101685350A CN 200810167124 A CN200810167124 A CN 200810167124A CN 200810167124 A CN200810167124 A CN 200810167124A CN 101685350 A CN101685350 A CN 101685350A
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Abstract
The invention discloses a computer input unit with dual-spectrum and dual-coordinate output, a dual-spectrum data input processing method and a sensor thereof. The computer input unit comprises a first luminous source, a second luminous source and a sensing module, wherein the first luminous source is used for generating a first projection light beam with first wavelength; the second luminous source is used for generating a second projection light beam with second wavelength; and the sensing module comprises a filtering unit, a light signal receiving zone, a control unit and a storage unit, the filtering unit respectively filters the first projection light beam with first wavelength and the second projection light beam with second wavelength, the light signal receiving zone receives the first projection light beam to obtain first image data and receives the second projection light beam to obtain second image data, the control unit compares the obtained first image data with the obtained second image data so as to figure out first displacement data and second displacement data, and the storage unit stores the first displacement data and the second displacement data.
Description
Technical field
The present invention relates to a kind of computer input unit and data input processing method thereof, particularly relate to computer input unit, dual-spectrum data input processing method and the sensor thereof of the two coordinate outputs of a kind of pair of spectrum formula.
Background technology
The computer input unit general reference can be to the hardware unit (Hardware Device) of a computer installation (as personal computer, mobile computer or personal digital assistant or the like) input coordinate displacement signal, visible computer input unit kind is a lot, all belongs to it such as mouse, Trackball device, Trackpad, handwriting pad, joystick etc.Wherein, mouse is except that can be according to moving of user and to the computer installation input coordinate displacement signal, also be provided with a roller on the mouse, roller can also be controlled the vertical scroll bar or the horizontal scroll bar of window interface, and the below in roller also is provided with microswitch, and the mode of user by pressing pressing roller can be assigned the instruction of affirmation, therefore on the application window interface, mouse becomes the most universal man-machine interface at present.
The window interface that present mouse is used in computer equipment is widely controlled, and becomes one of peripheral hardware unit of interwoveness when surfing the Net.At present up-to-date scrolling device is one to have the mode of optical sensing window on the computer input unit; The principle of optical sensing window can be divided into the image comparison formula, with two kinds of light refraction comparison formulas; And the product of this class for example is found in GENIUS TRAVELER 515 mouses.
Though above-mentioned computer input unit with optical sensing window can promote many operation ease, but also (one is used for optical sensing window owing to used two optics sensing modules, another uses in order to the mouse beacon pointer), and increased the cost of manufacture of computer input unit, and power consumption has also improved much relatively, in addition, computer input unit need increase volumetric spaces, to hold two optics sensing modules.
Therefore, how to provide the computer input unit of a kind of low cost, low power consumption and small size, become one of researchist's problem to be solved.
Summary of the invention
In view of above problem, the invention provides computer input unit, dual-spectrum data input processing method and the sensor thereof of the two coordinate outputs of a kind of pair of spectrum formula, by using an optics sensing module to do the detection processing of image data and the computing of displacement data, and then reduce cost of manufacture, the power consumption of computer input unit and dwindle the volume of computer input unit with filter unit.
Therefore, the computer input unit of the two coordinates outputs of the provided by the present invention pair of spectrum formula includes: first light emitting source has first projecting beam of first wavelength in order to generation; Second light emitting source has second projecting beam of second wavelength in order to generation; Sensing module, in order to receive first projecting beam and this second projecting beam, its sensing module includes: filter unit in order to leaching first projection light with first wavelength respectively, and leaches second projection light with second wavelength; The light signal reception area is arranged at a side of filter unit, in order to receiving first projecting beam, obtaining first image data, and receives second projecting beam, to obtain second image data; Control module, first image data of obtaining in order to comparison, calculating first displacement data, and second image data obtained of comparison, to calculate second displacement data; And storage unit, in order to store first displacement data and second displacement data.
The computer input unit of the described pair of two coordinate outputs of spectrum formula, wherein, this computer input unit also includes a micro-control unit, in order to read this first displacement data and this second displacement data.
The computer input unit of the described pair of two coordinate outputs of spectrum formula, wherein, this filter unit includes:
One first optical filter is in order to leach this first projection light with first wavelength; And
One second optical filter is in order to leach this second projection light with second wavelength.
The computer input unit of the described pair of two coordinate outputs of spectrum formula, wherein, this computer input unit also includes:
One first lens are in order to reflect this first projecting beam;
One first catoptron is in order to reflection this first projecting beam by these first lens;
One second catoptron is in order to reflect this first projecting beam after this first mirror reflects; And
One second lens are arranged between this second catoptron and this sensing module, to this filter unit, or reflect this second projecting beam to this filter unit in order to this first projecting beam of reflecting this second mirror reflects.
The computer input unit of the two coordinates outputs of the described pair of spectrum formula, wherein, this storage unit includes first buffer in order to storing this first displacement data, and one second buffer is in order to store this second displacement data.
In addition, the dual-spectrum data input processing method of computer input unit provided by the present invention, be applied to have the computer input unit and the processing of the input between the computing machine of an optical sensing window, include the following step: open first light source, has first projecting beam of first wavelength to optical sensing window with generation, and the unlatching secondary light source, have second projecting beam to a working face of second wavelength with generation; Provide sensing module, with the reflected light that receives first projecting beam and the reflected light of second projecting beam with filter unit; Leach the reflected light of first projecting beam by filter unit, obtaining first image data, and leach the reflected light of second projecting beam, to obtain second image data by filter unit; First image data that provides a control module comparison to obtain, calculating first displacement data, and second image data obtained of comparison, to calculate second displacement data; And first displacement data and second displacement data are stored to storage unit.
The dual-spectrum data input processing method of described computer input unit, wherein, this first displacement data is stored in one first buffer in this storage unit, and this second displacement data is stored in one second buffer in this storage unit.
The dual-spectrum data input processing method of described computer input unit, wherein, this filter unit includes:
One first optical filter is in order to leach this first projection light with first wavelength; And
One second optical filter is in order to leach this second projection light with second wavelength.
In addition, the sensor of the provided by the present invention pair of two coordinate outputs of spectrum formula, include: first optical module has first projecting beam of first wavelength to optical sensing window in order to generation; Second optical module has second projecting beam of second wavelength to working face in order to generation; And sensing module, have filter unit and light signal reception area, in order to the reflected light that receives first projecting beam and the reflected light of second projecting beam, and calculate first displacement data and second displacement data respectively.
Computer input unit by the two coordinate outputs of this pair of spectrum formula, dual-spectrum data input processing method and sensor thereof, utilize sensing module of two groups of light source collocation to realize by scanning two different working faces simultaneously with filter unit, to obtain required image data, calculate the displacement coordinate data of each working face again, and be stored in the different buffers, read two coordinate figures with different buffer address selection respectively by microcontroller at last, export computer terminal to be interpreted to two difference in functionalitys, because the present invention only need use an optics sensing module, so can reduce the cost of manufacture and the power consumption of computer input unit, and volumetric spaces of dwindling computer input unit.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the synoptic diagram of computer system of the present invention;
Fig. 2 is the calcspar of the sensor of the two coordinate outputs of of the present invention pair of spectrum formula;
Fig. 3 A is the light path of the first embodiment of the invention synoptic diagram of advancing;
Fig. 3 B is the light path of the second embodiment of the invention synoptic diagram of advancing;
Fig. 4 A is the structural representation of filter unit first embodiment of the present invention;
Fig. 4 B is the structural representation of filter unit second embodiment of the present invention;
Fig. 5 is the flow chart of steps of the dual-spectrum data input processing method of computer input unit of the present invention.
Wherein, Reference numeral:
10 computer input units
11 optical sensing window
20 computer installations
30 first light sources
31 first lens
32 first catoptrons
33 second catoptrons
40 secondary light sources
41 second lens
50 sensing modules
51 light signal reception areas
52 control modules
53 storage unit
53a first buffer
53b second buffer
54 filter units
54a first optical filter
54b second optical filter
60 microcontrollers
70 circuit boards
80 fingers
90 working faces
100 computer systems
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is made further more detailed description.
According to computer input unit provided by the present invention, including, but not limited to mouse, trace ball, Trackpad, game console ... Deng computing machine periphery input media, and can in be built in mobile computer, PDA, digital frame, mobile phone ... in electronic installation,, the user operates relevant function so that being provided with window interface.Yet appended graphic reference and the explanation usefulness of only providing not is in order to restriction the present invention.In the explanation of following embodiment, will be with mouse as computer input unit, desktop PC is as computer installation, and as most preferred embodiment of the present invention.
Please refer to Fig. 1, be the synoptic diagram of computer system of the present invention, as shown in Figure 1, computer system 100 includes computer input unit 10 and computer installation 20.Wherein computer input unit 10 is a mouse, computer installation 20 is a desktop PC, in known technology, mouse can carry out signal with desktop PC by wired mode or wireless mode and be connected, and mouse moves on a working face, mechanically or the displacement of optical mode computing mouse on the plane, and then convert displacement signal to and transfer to desktop PC, the cursor (cusor) of operating system (as Windows operating system) with the control desktop PC moves on window interface, be provided with an optical sensing window 11 in mouse, this optical sensing window 11 can replace the roller of existing mouse, when the user with finger or other object contact optical sensing window 11 on the time, the structure that cooperates following examples is the image that fechtable obtains finger or object, to produce the control signal of at least one correspondence.
Please refer to Fig. 2, be the calcspar of the sensor of the two coordinates outputs of of the present invention pair of spectrum formula.As shown in Figure 2, sensor pack of the present invention contains first light source 30, secondary light source 40 and sensing module 50; The present invention can insert sensor one computer input unit 10 to electrically connect mutually with a microcontroller 60.
First light source 30 has first projecting beam of first wavelength to optical sensing window 11 (as shown in Figure 3A) in order to generation.First light source 30 can for example be light emitting diode or laser diode.
Secondary light source 40 has second projecting beam of second wavelength to working face (as shown in Figure 3A) in order to generation.Secondary light source 40 can for example be light emitting diode or laser diode.Wherein first light source 30 is the light of different wavelength with secondary light source 40.
Light signal reception area 51 is arranged at a side of filter unit 54.Light signal reception area 51 is in order to receive first projecting beam that the first optical filter 54a leaches, to obtain first image data.Light signal reception area 51 also receives second projecting beam that the second optical filter 54b leaches, to obtain second image data.Wherein light signal reception area 51 can be image change sensor (image detection sensor), such as charge coupled cell (Charged Coupled Device, CCD) or complementary matal-oxide semiconductor (ComplementaryMetal-Oxide semiconductor, CMOS), move the image variation that is produced in order to detect finger; In like manner, also can be a kind of anaclasis change sensor (radiation detection sensor),, and then obtain the corresponding image data in order to the change in physical after the detection anaclasis.
Please refer to Fig. 3 A, be the light path of the first embodiment of the invention synoptic diagram of advancing.As shown in Figure 3A, the component construction of computer input unit 10 of the present invention includes optical sensing window 11, first light source 30, first lens 31, first catoptron 32, second catoptron 33, secondary light source 40, second lens 41, sensing module 50 and circuit board 70 haply.In addition, first light source 30 among first embodiment is different with the wavelength of secondary light source 40.
At first, the open and close of control module 52 controls, first light source 30 and secondary light source 40.When first light source 30 is opened with secondary light source 40.At this moment, first light source 30 produces and has first projecting beam of first wavelength to optical sensing window 11.Then, it is after 80s that first projecting beam shines finger, reflexes to first lens 31.First lens, 31 refractions, first projecting beam to the first catoptron 32.Next, 32 reflections of first catoptron are by first projecting beam to the second catoptron 33 of first lens 31.First projecting beam to the second lens 41 after 32 reflections of second catoptron, 33 reflections, first catoptron.
Then, when pointing 80 when optical sensing window 11 moves, the reflected light of first projection light can change, therefore via behind the above-mentioned light path traveling process, light signal reception area 51 can receive corresponding to finger 80 first projecting beams that move, and then obtains the first new image data.First image data by control module 52 comparison light signal reception areas 51 are obtained can calculate first displacement data.Owing to be familiar with known to this skill, existing multiple mode is carried out this correlation calculations, so just give unnecessary details no longer in detail.
Simultaneously, to shine working face after 90s when second projecting beam, and second catoptron, 33 to second lens 41 are passed in reflection.Second lens, 41 refractions, second projecting beam is to filter unit 54.Leach second projecting beam by the second optical filter 54b,, and obtain second image data so that the pixel (not shown) of light signal reception area 51 receives second projecting beam.
When user's mobile computer input media 10, the reflected light of second projection light can change, therefore via behind the above-mentioned light path traveling process, light signal reception area 51 can receive second projecting beam that moves corresponding to computer input unit 10, and then obtains the second new image data.Second image data by control module 52 comparison light signal reception areas 51 are obtained can calculate second displacement data.Owing to be familiar with known to this skill, existing multiple mode is carried out this correlation calculations, so just give unnecessary details no longer in detail.
Please refer to Fig. 3 B, be the light path of the second embodiment of the invention synoptic diagram of advancing.As Fig. 3 B figure " shown in, the component construction of computer input unit 10 of the present invention includes optical sensing window 11, first light source 30, first lens 31, first catoptron 32, second catoptron 33, secondary light source 40, second lens 41, sensing module 50 and circuit board 70 haply.Wherein, second embodiment and the first embodiment difference are: the surface area of second lens 41 is greater than the surface area of second lens 41 among first embodiment among second embodiment.
At first, the open and close of control module 52 controls, first light source 30 and secondary light source 40.When first light source 30 is opened with secondary light source 40.At this moment, first light source 30 produces and has first projecting beam of first wavelength to optical sensing window 11.Then, it is after 80s that first projecting beam shines finger, reflexes to first lens 31.First lens, 31 refractions, first projecting beam to the first catoptron 32.Next, 32 reflections of first catoptron are by first projecting beam to the second catoptron 33 of first lens 31.First projecting beam to the second lens 41 after 32 reflections of second catoptron, 33 reflections, first catoptron.At this moment, secondary light source 40 produces second projecting beam with second wavelength, will be projected to second lens 41 after working face 90 reflections, and without second catoptron 33.
Then, when pointing 80 when optical sensing window 11 moves, the reflected light of first projection light can change, therefore via behind the above-mentioned light path traveling process, light signal reception area 51 can receive corresponding to finger 80 first projecting beams that move, and then obtains the first new image data.First image data by control module 52 comparison light signal reception areas 51 are obtained can calculate first displacement data.Owing to be familiar with known to this skill, existing multiple mode is carried out this correlation calculations, so just give unnecessary details no longer in detail.
Simultaneously, to shine working face after 90s when second projecting beam, reflexes to second lens 41.Second lens, 41 refractions, second projecting beam is to filter unit 54.Leach second projecting beam by the second optical filter 54b,, and obtain second image data so that the pixel (not shown) of light signal reception area 51 receives second projecting beam.
When user's mobile computer input media 10, the reflected light of second projection light can change, therefore via behind the above-mentioned light path traveling process, light signal reception area 51 can receive second projecting beam that moves corresponding to computer input unit 10, and then obtains the second new image data.Second image data by control module 52 comparison light signal reception areas 51 are obtained can calculate second displacement data.Owing to be familiar with known to this skill, existing multiple mode is carried out this correlation calculations, so just give unnecessary details no longer in detail.
Please refer to Fig. 4 A, be the structural representation of filter unit first embodiment of the present invention.Shown in Fig. 4 A, the first optical filter 54a and the second optical filter 54b in the filter unit 54 are the structure of stacked arrangement mode.Please refer to Fig. 4 B, be the structural representation of filter unit second embodiment of the present invention.Shown in Fig. 4 B, the first optical filter 54a and the second optical filter 54b in the filter unit 54 are the structure of layout arrangement mode.
Please refer to Fig. 5, be the flow chart of steps of the dual-spectrum data input processing method of computer input unit of the present invention.As shown in Figure 5, the dual-spectrum data input processing method of computer input unit of the present invention, the computer input unit and the processing of the input between the computing machine that are applied to have an optical sensing window include the following step:
Open first light source, first projecting beam that has first wavelength with generation is to optical sensing window, and opens secondary light source, has second projecting beam of second wavelength to working face (step 200) with generation.Above-mentioned working face can for example be desktop or mouse pad.Wherein the intensity of first light source and secondary light source and fluorescent lifetime can be adjusted automatically by control module, or set up adjustment on their own by the user.
When first projecting beam shines in optical sensing window, can produce reflected light, when second projecting beam shines in optical sensing window, can produce reflected light, therefore, provide a sensing module to receive the reflected light of first projecting beam and the reflected light (step 210) of second projecting beam with filter unit.Wherein sensing module has the detection processing power of image data and the computing ability of displacement data.
Leach the reflected light of first projecting beam by filter unit, obtaining first image data, and leach the reflected light of second projecting beam, to obtain second image data (step 220) by filter unit.Wherein filter unit includes first optical filter and second optical filter.First optical filter is in order to leach first projection light with first wavelength.Second optical filter is in order to leach second projection light with second wavelength.In addition, first light source and secondary light source are different wavelength.
First image data that provides the control module comparison to obtain, calculating first displacement data, and second image data obtained of comparison, to calculate second displacement data (step 230).Wherein first displacement data and second displacement data can include the coordinate displacement amount of X-axis, the coordinate displacement amount of Y-axis, the sense of displacement of X-axis and the sense of displacement of Y-axis.
First displacement data and this second displacement data are stored to a storage unit.(step 240), and get back to step 200.Wherein storage unit includes first buffer and second buffer.First displacement data is stored in first buffer in the storage unit, and second displacement data is stored in second buffer in the storage unit.
Comprehensive the above, the computer input unit of the of the present invention pair of two coordinate outputs of spectrum formula, dual-spectrum data input processing method and sensor thereof, utilize sensing module of two groups of light source collocation to realize by scanning two different working faces simultaneously with filter unit, to obtain required image data, calculate the displacement coordinate data of each working face again, and be stored in the different buffers, read two coordinate figures with different buffer address selection respectively by microcontroller at last, export computer terminal to be interpreted to two difference in functionalitys, because the present invention only need use an optics sensing module, so can reduce the cost of manufacture and the power consumption of computer input unit, and volume that dwindles computer input unit.
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 (9)
1, the computer input unit of a kind of pair of two coordinate outputs of spectrum formula is characterized in that, includes:
One first light emitting source has one first projecting beam of first wavelength in order to generation;
One second light emitting source has one second projecting beam of second wavelength in order to generation; And
One sensing module, in order to receive this first projecting beam and this second projecting beam, this sensing module includes:
One filter unit in order to leaching this first projection light with first wavelength respectively, and leaches this second projection light with second wavelength;
One light signal reception area is arranged at a side of this filter unit, in order to receiving this first projecting beam, obtaining one first image data, and receives this second projecting beam, to obtain one second image data;
One control module, this first image data of obtaining in order to comparison, calculating one first displacement data, and this second image data of obtaining of comparison, to calculate one second displacement data; And
One storage unit is in order to store this first displacement data and this second displacement data.
2, the computer input unit of the according to claim 1 pair of two coordinate outputs of spectrum formula is characterized in that this computer input unit also includes a micro-control unit, in order to read this first displacement data and this second displacement data.
3, the computer input unit of the according to claim 1 pair of two coordinate outputs of spectrum formula is characterized in that this filter unit includes:
One first optical filter is in order to leach this first projection light with first wavelength; And
One second optical filter is in order to leach this second projection light with second wavelength.
4, the computer input unit of the according to claim 1 pair of two coordinate outputs of spectrum formula is characterized in that this computer input unit also includes:
One first lens are in order to reflect this first projecting beam;
One first catoptron is in order to reflection this first projecting beam by these first lens;
One second catoptron is in order to reflect this first projecting beam after this first mirror reflects; And
One second lens are arranged between this second catoptron and this sensing module, to this filter unit, or reflect this second projecting beam to this filter unit in order to this first projecting beam of reflecting this second mirror reflects.
5, the computer input unit of the two coordinates outputs of the according to claim 1 pair of spectrum formula is characterized in that, this storage unit includes first buffer in order to storing this first displacement data, and one second buffer is in order to store this second displacement data.
6, a kind of dual-spectrum data input processing method of computer input unit, the computer input unit and the processing of the input between the computing machine that are applied to have an optical sensing window is characterized in that, include the following step:
Open one first light source, one first projecting beam that has first wavelength with generation is to this optical sensing window, and opens a secondary light source, has one second projecting beam to a working face of second wavelength with generation;
Provide a sensing module, with the reflected light that receives this first projecting beam and the reflected light of this second projecting beam with filter unit;
Leach this reflected light of this first projecting beam by this filter unit, obtaining one first image data, and leach this reflected light of this second projecting beam, to obtain one second image data by this filter unit;
This first image data that provides a control module comparison to obtain, calculating one first displacement data, and this second image data of obtaining of comparison, to calculate one second displacement data; And
This first displacement data and this second displacement data are stored to a storage unit.
7, the dual-spectrum data input processing method of computer input unit according to claim 6, it is characterized in that, this first displacement data is stored in one first buffer in this storage unit, and this second displacement data is stored in one second buffer in this storage unit.
8, the dual-spectrum data input processing method of computer input unit according to claim 6 is characterized in that, this filter unit includes:
One first optical filter is in order to leach this first projection light with first wavelength; And
One second optical filter is in order to leach this second projection light with second wavelength.
9, the sensor of a kind of pair of two coordinate outputs of spectrum formula is characterized in that, includes:
One first optical module has one first projecting beam to an optical sensing window of first wavelength in order to generation;
One second optical module has one second projecting beam to a working face of second wavelength in order to generation; And
One sensing module has a filter unit and a light signal reception area, in order to the reflected light that receives this first projecting beam and the reflected light of this second projecting beam, and calculates one first displacement data and one second displacement data respectively.
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| CN2008101671243A CN101685350B (en) | 2008-09-27 | 2008-09-27 | Computer input unit, dual-spectrum data input processing method and sensor thereof |
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| CN2008101671243A CN101685350B (en) | 2008-09-27 | 2008-09-27 | Computer input unit, dual-spectrum data input processing method and sensor thereof |
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| CN101685350B CN101685350B (en) | 2012-07-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096522A (en) * | 2010-11-05 | 2011-06-15 | 友达光电股份有限公司 | Light sensing control system |
| US8817001B2 (en) | 2010-11-01 | 2014-08-26 | Au Optronics Corp. | Optical sense-control system having light filters |
| CN106095137A (en) * | 2014-12-31 | 2016-11-09 | 辛纳普蒂克斯公司 | Plate module clicked on by the top dress type of double horizontal plane basin bodies |
-
2008
- 2008-09-27 CN CN2008101671243A patent/CN101685350B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8817001B2 (en) | 2010-11-01 | 2014-08-26 | Au Optronics Corp. | Optical sense-control system having light filters |
| CN102096522A (en) * | 2010-11-05 | 2011-06-15 | 友达光电股份有限公司 | Light sensing control system |
| CN102096522B (en) * | 2010-11-05 | 2013-04-17 | 友达光电股份有限公司 | Light sensing control system |
| CN106095137A (en) * | 2014-12-31 | 2016-11-09 | 辛纳普蒂克斯公司 | Plate module clicked on by the top dress type of double horizontal plane basin bodies |
| CN106095137B (en) * | 2014-12-31 | 2020-08-14 | 辛纳普蒂克斯公司 | Top-mounted click plate module of double-water-plane basin body |
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|---|---|
| CN101685350B (en) | 2012-07-04 |
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