CN103455210B

CN103455210B - With the high-res and high sensitive touch controller of optical means driving

Info

Publication number: CN103455210B
Application number: CN201310017798.6A
Authority: CN
Inventors: 李文杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-29
Filing date: 2013-01-17
Publication date: 2019-04-05
Anticipated expiration: 2033-01-17
Also published as: TW201349056A; TWI490757B; CN103455210A

Abstract

The present invention is a kind of touch controller (touch sensing device), by optical drive method (optically activated), so that portable electronic equipment (portable device) obtains the touch function of high-res and high sensitive.The movement of other functions such as vernier, the control of game machine (gaming device), the starting or end of program (such as AUTOCAD), the search (web page navigation) of Webpage material, or non-mobile electronic equipment (such as Flat Panel TV), the object control function of high-res and high sensitive can be also obtained through the invention.

Description

With the high-res and high sensitive touch controller of optical means driving

Technical field

The present invention provides a high sensitive and high resolution optical formula touch controller, which can also be used as vernier control Device has an empty room (Cavity) in the touch controller, is covered with a translucent sheet in the empty room, which spreads with a light Surface still has a light source and an image detector in the empty room.Generation when touching the translucent sheet by detecting an indicant The high diffusion image different from low diffusion, learns a case where indicant and the translucent sheet contact, and should by detecting When indicant and the translucent sheet contact, the case where relative motion each other, signal is obtained, to change certain electronic instrument The movement of function or the vernier on its display.

Background technique

On computer and electronic product now, many products are the friendships come between executor and machine by touch device It flows and the function that interacts.These products include notebook computer, mobile phone, global positioning system (GPS) and electric game machine (Gaming device) etc..In the field of Touch Screen, entire industrial technology is generally segmented into resistance-type (Resistive type) and condenser type (Capacitive type) two major classes, though technical connotation is different, purpose is It is being supplied to convenience not available for a kind of conventional mouse of user-removal USB cable or wireless channel (Wireless Channel), and these are all the objects that conventional mouse is necessarily used to be wired on computer；Touch Screen is then without this demand.So And Touch Screen has a birth defect: Touch Screen lacks and measures when a finger or needle bar go to touch its surface The precision (positioning accuracy) of the touch position；Due to can not be efficiently against this disadvantage, current touching Screen product is controlled, and is not available in the electronic palette environment of office or profession.

Based on above limitation, although current portable electronic equipment provides the user that can leave and carries mobile side Just, but they can not input data to common software is done, (such as WORD (Microsoft's paperwork software), PowerPoint are (micro- Soft presentation software) or Spreadsheet (Microsoft's tentative calculation software) etc., so make its on the office use of profession quite by To limitation, and reason of searching to the bottom, it is in default of the accuracy on position.Fig. 1 show traditional mobile phone (Cell Phone), there is a touching display screen on this action phone, it is certain to practise in use such equipment person referred to as Smart Phone8.Note that presenting most icons (Icon) on the touching display screen, the area of each icon is aobvious compared with general computer Icon in display screen is all quite much big, to represent certain programs or function.The quantity of these icons, that is, represent this action Phone can be supplied to how many different functions (that is, convenience) of user simultaneously.The but quantity of these icons, in fact simultaneously Can not very big (for example, more than 15), this is because designer is when designing icon, it is necessary to combine the quantity of icon with And the size of the finger of people.As shown in Figure 1, it can when a finger tip 9 (Fingertip) touches undesirable position It can cause once to trigger four programs.

The Smart Phone8 of Fig. 1 is a capacitive Touch Screen.Such design is usually by transparent thin-film electro It is placed on Touch Screen, and places perceptron (sensor) in four corners of the Touch Screen.As the Smart phone (8) when being touched by foreign object, the quantity of electric charge in capacitor is changed, and the electric current of the i.e. discernable stream of perceptron (sensor) thereon is also It changes；By variation of the measured current on each perceptron, traditional mobile phone is able to learn the hand for touching its Touch Screen The general location of finger.In general, the accuracy for the result calculated using this method is not high, it is fortunately that it must only meet The requirement that user will not malfunction when selecting icon；As shown in Figure 1, due to those icons size all quite greatly, The accuracy of its size is also relatively coarse.Due to the limitation in this design, so that the small size as Smart Phone Electronic equipment encounter want input data to document processing software WORD or tentative calculation software (Spreadsheet) when, face Greatly difficult, causing Smart Phone (8) above-mentioned, this kind of there are few substantive purposes on.The limitation of this technology Final result is that, when these electronic equipments are in use state, the operating state or function of the application software of whole system pass through It is often only to be presented to user by several simple icons.

As in terms of notebook computer (Notebook PC), also there is similar problem.Its equipment for being used to moving cursor A usually touch tablet (Touch pad or Mouse Pad).The problem of this kind of touch version (mouse pad) is its susceptibility It is not high with resolution.Make rapid progress it in the manufacturing technology for facing flat-panel screens (Flat Panel Display) over several years Border, the performance of this kind of touch tablet is but almost without too big progress.Therefore, with the resolution of display now, speed and The functions such as multi-point touch are compared, and the function of traditional touch tablet is excessively simple and crude, this causes the user of many notebook computers equal It is thrown aside, changes and use conventional mouse, with varying without use habit so as to it, still that hand is mobile vector value Notebook computer is passed back by USB or other transmission medias, is controlled vernier for it and is used.For matter it, above-mentioned conventional touchpads Problem comes from the deficiency of its resolution and susceptibility more；And this is a root problem of traditional technology in fact: although city Still there are certain users on field, learn the function of deacclimatizing conventional touchpads, and try to receive traditional touch tablet, but The above problem still has.For example, when an object in display screen is moved on to the other end from one end by user, if should Distance is not short, then the several steps of the usual score of the user, draw several times on a touchpad, can be only achieved purpose.

The above, either the touch screen of the touch tablet of notebook computer or portable electronic equipment are taken a broad view of, entirely Electronics industry there is still a need for find one fast and accurately touch-control system (or touch device can be named as, vernier control Device, user's operation interface equipment etc.), it is integrated with portable electronic equipment, form one has speed and accurate simultaneously The electronic equipment or notebook computer of degree, can so allow user easily use the class of WORD document software or its The software of the class of its trial balance (Spreadsheet), and data is accurately input, establish archives etc..

Summary of the invention

The present invention provides touch controller (also can name be Venier controller), has an empty room in the touch controller (Cavity), it is covered with a translucent sheet in the empty room, which has a smooth diffusing surface, still has one in the empty room Light source and an image detector.In an optimal situation, the performance of the light diffusing surface, such as same Lambertian surface;In the case where sub-optimal, the performance of the light diffusing surface can be close to the diffusing surface of a perfect light.Making When optical analysis, such smooth diffusing surface can be divided into it numerous facet to treat, each facet can be to Scattering light from all directions, intensity about with the cosine value of the angle of the normal of the scattering light to the facet (Cosine) at Direct ratio.Due to this scattering phenomenon, brightness (Brightness, luminance, the or of the Lambertian surface It radiance), is all identical no matter being gone from any angle.The so-called semi-transparency property of the translucent sheet, refers to that light can It penetrates from the two sides of the plate to the other side, but due to the diffusion phenomena Jing Guo so-called Lambertian Surface height, object Body is formed by image in the other end and can not differentiate with shape.

Due to the effect of the Lambertian surface, make this translucent characteristic with strong scattering light, when This effect by force to a certain extent when, passed through by the translucent light whether from translucent that side After the translucent scattering, all become scattering light.By scattering after, positioned at the shape of the object in the slide distant place Body is to first pass through the translucent surface (i.e. Lambertian surface), then reaches the translucent other end Imaging, such image obscure, can not be identified body later.This half slide system is covered on an empty room, Internal Shang Youyi image detector.The light of external environment from the touch controller can irradiated due to this translucent It is broken up after on Lambertian plate；Likewise, it can also be radiated in the touch controller empty room Light on Lambertian plate is broken up, and therefore, after the above two effects aggregation, forms a brightness uniformity diffused Appearance (appearance refers to the image seen in the environment) and interior see (interior to see the image for referring to the translucent bottom).It is all There is the object of some distances with the Lambertian, after the diffusion of Lambertian surface, image all can It obscures, when the image blur is to certain degree, which can not be recognized by the image detector.

It is worth noting that: (1) should be located at empty indoor light source can be light emitting diode (LED) but it is also possible to be it The light source of its type；(2) image detector is preferably CMOS image sensor (complementary metal oxide semiconductor shadow As detector), using it can be seen that translucent inner surface being entirely covered on above empty room as felicity condition.However, other Image detector, as long as and decision can be facilitated it can be seen that be entirely covered on translucent inner surface above empty room The position of indicator, can be used as；(3) the Lambertian surface preferably has fine grain surface, other classes The surface of type, such as coarse grained Lambertian surface can also be with through overetched surface, or the surface of atomization For replacing the Lambertian surface, only effect may be slightly weaker.The application of the above variation, still falls within this The interior range of invention.

When an indicator (for example, a finger, equipment of needle bar or similar functions) touches the Lambertian When surface, some internal lights from the Venier controller are reflected back, and form the shadow for the indicator that one illuminates Picture, an image detector will detect the image of the indicator being illuminated at this time, as the indicator is in Lambertian Movement on surface, an electronic circuit being connected with the image detector track the image, and the result of tracking can be used to Vernier on the display screen of control action electronic equipment, this action electronic equipment include at least: notebook computer (Notebook PC), mobile phone (Cellular phone), global positioning system (GPS), game machine etc..In addition, the indicator can pass through Lift and then puts back to the movement of the Lambertian plate to represent some elements on the screen for selecting the electronic equipment.More Furthermore, especially when touch controller of the invention is used on notebook computer, it can allow multiple fingers to make it The control of touch-control can mark off (a little) scheduled place on Lambertian surface at this time, this (a little) place can To be used to operation pages scrolling, image rotation, the effect that scenery amplifies to make the display screen reach promotion susceptibility and resolution Fruit etc..

The image detector is for the image in relation to the indicator that captures multiple, and the indicator is under preferable selection It can be a finger.At those inside image of multiple, there are one first image and the second image, the inside of image is cut Some ranges out make touch controller of the invention be controlled a screen to extract motion-vector value, and by the motion-vector Curtain upstream target movement.When touch controller of the invention uses finger as indicator, protuberance, groove mark, whirlpool on finger, And intersect etc., it can be used as defining the element of object.Touch controller of the invention at this time will be tracked on one first image Those elements being defined and one second image on those elements being defined.When executing the tracking work, one with should The electronic circuit of image detector coupling can split the element that those in those images are defined in image, then Compare the change of their positions in different images, then those knots modifications be converted into motion-vector, the motion-vector by with To control vernier or the other functions on screen.

Detailed description of the invention

Fig. 1 show conventional touch device when being applied to portable electronic instrument, problem encountered.

Fig. 2A show the translucent sheet being placed on equipment of the present invention, reflection, scattered reflection caused by incident ray, And the effect that diffusion penetrates

Fig. 2 B show the translucent sheet being placed on equipment of the present invention, to the light from the equipment external world, causes to spread It penetrates and reflection effect

Fig. 2 C is the translucent sheet being placed on equipment of the present invention, to the light that the light source inside the equipment is issued, is produced Raw scattered reflection and diffusion penetration effect

Fig. 2 D is formed by image by outdoor light by what the inside of translucent sheet was seen

Fig. 2 E is formed by image by the light source inside equipment by what the inside of translucent sheet was seen

Fig. 2 F sees by the inside of translucent sheet, the image synthesized by outdoor optical with equipment internal light source

Fig. 3 is seen by the inside of translucent sheet, as an indicator (Touching device, or pointing Device it) goes after the Lambertian surface for touching the translucent sheet, generated image

Fig. 4 A is when an indicator (for example, finger) touches the right side of the Lambertian surface of translucent on piece Side, and when light source is shining, the image that image detector 13 is seen

Fig. 4 B is when an indicator (for example, finger) touches the right side of the Lambertian surface of translucent on piece Side, and when light source 14 is shining, the image that image detector 13 is seen

Fig. 5 A show the image 41 for the surface portion that the detected finger of image detector 13 is illuminated, because of finger 40 The strength for oppressing the Lambertian surface11 of translucent on piece is bigger, is changed to elliptical shape

Fig. 5 B show a finger when the time is t1, t2, with t3, because the finger is with Lambertian surface's Distance changes, the change of the image of the caused finger being illuminated

Fig. 6 show the shadow of the most indicants being illuminated in translucent 10 bottom seen from image detector 13 Picture

Fig. 7 is some electronic equipments for being able to use touch controller of the invention

Description of symbols: 8- action electric appliance；9- finger covers the region of sight on panel；10- translucent sheet (semi-transparent plate)；11- high nephelometric turbidity unit surface (Lambertian surface)；12- empty room (cavity)； 13- image detector (image sensor)；14- light source；Upper surface (the top surface of semi- of 15- translucent sheet transparent plate)；20- finger；2- shade；The fingerprint of the high luminance area 22-；The high luminance area 23- (Brighten surface)；40- is by the finger on high nephelometric turbidity unit surface；The t1- time, before t2 and t3；In t1, finger is pressed in half On transparent panel；The t2- time, between t1 and t3；In t2, finger leaves translucent sheet；The t3- time, t1 and t2 it Afterwards；In t3, finger is pressed on translucent sheet；41- is t1 or t3 in the time, deforms that (this refers to because of the pressure of finger Be by it is round become ellipse) finger image；42- is t2 in the time, leaves the finger of translucent sheet；60- translucent sheet Lower surface can carry on the back the part that image detector is seen；First finger of 61-；Second finger of 62-；63- third finger；64- The region of scrolling (scrolling) picture is used on translucent sheet；For rotating (rotating) object on 65- translucent sheet Region；High-res and high sensitive region on 66- translucent sheet.

Specific embodiment

Fig. 2A show the translucent sheet 10 being placed on equipment of the present invention, has a high nephelometric turbidity unit on the translucent sheet plate Lambertian plate 11.When incident light is beaten on the surface 11 in the high nephelometric turbidity unit Lambertian plate, reflected light is produced, Scattered reflection light (diffuse reflection light), and diffusion penetrate light (diffuse transmission Several classes of light such as light).For physical definition, so-called Lambertian surface refers to and dissipates when light falls in the height When the surface for degree of penetrating, opened by largely scattering (Scatter), so that the brightness that its whole surface is showed is quite equal It is even, it is nearly all identical regardless of observer goes from any angle.This surface such as has at the tropisms (isotropic), right All directions are effective up and down, certainly, it is also effective to penetrate light to diffusion.In other words, if an observer is translucent from this The bottom of plate 10 seems that the surface that he is seen is also a uniform surface.It is noted here that so-called semi-transparent Bright (Semi-transparent) refers to a light scattering phenomenon, enables light to pass through certain medium or certain region, but by suitable After the diffusion of degree, imaging recognize the profile of object at a distance cannot, or can't see at all.

In the touch controller of Fig. 2 B, Shang Youyi empty room (Cavity, 12).The empty room 12 is by this with Lambertian The translucent sheet of surface is covered.By a camera lens (lens), image detector 13 is received to be formed by the light spread Image.When facing context, this image is in fact that a brightness is quite uniform, complete fuzzy image, light The source of line is the stray light in environment from all directions, after the surface 10 for being irradiated to translucent sheet, by Lambertian The diffusion of surface11 is again incident on image detector 13.If explaining above-mentioned phenomenon from the angle of physics, such as scheme Shown in 2B, after the light (Ambient light) of environment is perforated through the surface 10 of translucent sheet, enter in empty room 12, due to It is influenced by the phenomenon that diffusion, which is known as Diffuse transmission by us.Due to Lambertian Surface11 have high nephelometric turbidity unit, it is all from Lambertian surface have with a certain distance from outer object, be presented on It is the image without clear profile on image detector 13.Therefore, it can not have been differentiated each other between object and object.

As shown in Figure 2 C, a light source 14 is placed within empty room 12, and in preferable situation, which is by LED (luminous two Pole pipe) it is made.The light source impinges upon light on the translucent sheet.Likewise, being irradiated to the surface 10 of translucent sheet in the light source After, by the diffusion of Lambertian surface11, the light of some can be reflected back, be incident upon from all angles Image detector 13 is formed on a fuzzy and uniform image.From LED project light, reach translucent sheet 10 with Afterwards, some can be diffused into the external world because of the relationship of Transmission diffusion, if observer sees from top It examines, only may think that some regions of the translucent sheet 10 are slightly brighter, but can not know its shape.If from object The angle of reason explains above-mentioned phenomenon, then as shown in Figure 2 C, after the light of LED is perforated through the surface 10 of translucent sheet, quilt Lambertian surface11 is reflected and is returned, and is then proceeded in empty room 12, and due to being influenced by the phenomenon that diffusion, we will The phenomenon is known as Diffuse reflection, as the light of certain part LED, can pass through Lambertian surface and penetrate Enter in external environment, we term it diffuse transmission for the phenomenon.

Fig. 2 D and 2E show the appearance 15 that the inside of translucent sheet 10 is seen.Seen in image detector 13 It is a fuzzy and uniform image, slightly there is some brightness.It is that the overlapping that image detector 13 is seen rises shown in Fig. 2 F The image come, it is to be detectd by the above-mentioned fuzzy and uniform image by LED light source manufacture along with image is injected from the external world The image for surveying device 13 is composed.As previously mentioned, the light injected from the external world, is also the light spread after translucent sheet Line, therefore, image detector 13 not can be appreciated that the clear and legible image recognized.

It is to go to touch this using an indicator (Touching device, or pointing device) shown in Fig. 3 Effect caused by after the surface Lambertian.The indicator can be any amount of needle bar, erasing rubber, pencil, finger 20 etc. different objects.It is original to be penetrated from the external world when the indicator (Touching device) touches the translucent sheet The light for entering the translucent sheet below indicator (Touching device), will be blocked by the indicator, at this time if light source 14 be not present or and be not switched on, image detector 13 can be made to see a shade 21.If light source 14 is opened, it is put into empty room In 12, then image detector 13 is it is seen that a surface being illuminated, the surface are the indicator and Lambertian Surface contact place, it is position 22 that the indicator surface is illuminated that we, which are referred to as,.Certainly, this position be can be with It is picked out by image detector 13.It therefore, can be with as the light in the external world plus effect synthesized by empty room inner light source 14 So that the indicator surface that contacts with Lambertian surface generates a position 23 illuminated, by image detector 13, We can detect situation and the position of the movement at the position 23 that the indicator surface is illuminated.

It is worth noting that, indicator contacts place with Lambertian surface, due to shining very bright by light source, it Thin portion structure can by 13 interpretation of image detector come out.For example, if the indicator is a finger, on finger Thin portion structure, such as protuberance lines, groove, whirlpool, crosspoint, can clearly be sensed by image detector.This The feature structure on finger being illuminated a bit is the image detector in the present invention to monitor and determine indicator The basis of amount of movement, touch controller of the present invention, the vernier being converted into further according to the amount of movement data in the display screen on electronic instrument Position.

It is worth noting that, vernier defined in the present invention, is divided into visual type (visible type) and not visible type (visible type) two classes, this two class are suitable for the present invention.So-called visual type vernier refers to that the vernier has on a display screen There is certain body (for example, an arrow), can be observed to obtain by operator；So-called not visible type refers to that the vernier cannot It is directly observed and obtains by operator, it may be the memory cell (memory cell) in electronic instrument, either Parameter in software etc..For example, not necessarily having the vernier of shape fixation in the picture of general computer game (sometimes absolutely not)；User can be movement (such as baseball by what so-called Venier controller (such as mouse) was changed The movement that player swings) or audio class function, the state of the function of the object of these not visible types is usually to be stored in electricity In the memory body of sub- instrument or in the parameter of software, when user removes by mouse to adjust the object of those not visible types When the state of the function of part, the memory body of electronic instrument corresponding thereto or the parameter of software can thus change, such as The fruit vernier is visual type, then above-mentioned change can export again gives display screen, makes the content changing for showing screen.Therefore, originally Vernier defined in inventing can be shown in the picture element on screen for one (a little), or be present in electronic instrument memory body In (a little) memory body, touch cursor controller through the invention, the continuous update of the data of input can in time change The content for becoming memory body data is then converted to the picture of screen related (such as vernier) or electronic equipment other aspects in relation to (such as Audio) function.

It is the Lambertian touched when an indicator (for example, finger 20) on translucent 10 shown in Fig. 4 A The right of surface, and when light source 14 is shining, the image that image detector 13 is seen.This translucent 15 faces The side of image detector, shows the finger mark illuminated 23, which is exactly that finger is contacted with this translucent 15 Place.Physically, which is the light due to light source 14, after being irradiated to finger, by reflecting, Using the outer surface of Lambertian surface, translucent 15 is passed through, empty room (cavity) is then passed through, is formed by shadow Picture.As for translucent other place for being centered around the finger mark 23 illuminated, due to the light or light either from environment The light in source 14 is all diffused away by Lambertian surface, and being formed by image is that a diffusion is uniform, without clear The low-light level plane of clear object.

As shown in Figure 4 B, if finger 20 moves on to the left side of the Lambertian surface on translucent 10, by The surface 23 of the indicant illuminated, the image that place image detector 23 is formed can and then move on to translucent 10 left side. If contacting finger holding with Lambertian plate, continue towards left side movement, then image detector 13 can be in hand When referring to that right-to-left is mobile, some thin portion structures on finger are tracked.And the electronic circuit being connected with image detector 13 then may be used With the thin portion structure that the surface of the indicant being tracked is illuminated, moving coordinate value is converted, makes one to control with the vernier Device connection display on vernier, can with movement.

If finger 20 has left the Lambertian surface of translucent on piece, image detector will be unable to detect To any specific object；Until the finger reapposes on Lambertian surface, the surface element which is illuminated Position 23 can reappear on Lambertian surface.For example, this moment if finger, which shows, falls in translucent left side, The surface portion 23 that finger is illuminated, may also appear in the left side.

Fig. 5 A show the image 41 for the surface portion that the detected finger of image detector 13 is illuminated, because of finger 40 The strength for oppressing the Lambertian surface11 of translucent on piece is bigger, changes shape.Although finger is shone at this time Bright surface portion 23 becomes more oval, the above-mentioned electronic circuit being connected with image detector 13, still be able to discover out this by The position of the finger of pressure, and the numerical value conversion of the position at some position of the display on electronic equipment or notebook computer Value.It is worth noting that, the other regions 15 that do not touched by finger in translucent 10 lower section, due to being irradiated to light thereon Line is influenced by the diffusion effect of height, so that image received by panadaptor, can not have any cognizable Shape or object.

Fig. 5 B show a finger 40 when the time is t1, is formed by the position for the indicator body 41 being illuminated, this position The position of the vernier for the display being separately converted on electronic instrument is set, which can be notebook computer etc..Work as the time When arrival is t2, finger 40 is risen, therefore image detector 13 can not see the surface (finger tip) 41 of the indicant illuminated again.This Entire translucent lower surface is carved, uniform diffusion light is showed, can be recognized without any body.T3 is moved to when the time, Finger 40 goes back to touch the Lambertian surface11 on translucent 10, the surface of the indicant illuminated again (finger tip) 41 will occur again.In entire above-mentioned process (t1-t3), the vernier on display is that presentation is stationary 's.Such movement by finger can be used to from Lambertian surface is left to Lambertian surface is returned to Selection of the vernier to an object on screen is represented, and is to trigger to execute when finger returns to Lambertian surface , other relevant functions also can accordingly developed.Alternatively, if finger is touched when the time is t3 It is just moved at once after Lambertian plate, this is the electronic circuit that instruction is connected with image detector, will be on display screen The movement of vernier work (with finger) same direction.

Fig. 6 show translucent 10 bottom 60 seen from image detector 13.There are several fingers being illuminated on Fig. 6 Show object surface, what is respectively indicated is first finger 61 (being also possible to a kind of indicator), and second finger 62 and third are only Finger 63；This three fingers touch on translucent 10 simultaneously.Although three fingers are illustrated only herein, in actual operation In environment, the quantity of these fingers (or indicator) is can be more or fewer.These multiple fingers (or indicator), can Multiple events on screen to be used to control electronic equipment or notebook computer, and these multiple events, also may include multiple The case where vernier.Alternatively, these multiple fingers can be provided for the other function of control electronic equipment.

Certain special areas on this translucent surface 60 in face of image detector, are that can be connected to the image to detect The electronic circuit surveyed on device picks out next.First region 64 is the image in crawling display device (Scrolling), the movement of this scrolling, be with made of the functionally coupled of vernier shifter of the invention.When 61,62, or 63 therein fingers (or indicator) of person be placed in the scrolling control zone 64 it is interior when, in the screen that may make notebook computer Page rolling, function of the function similar to the wheel of the scrolling page of general mouse.Two Areas 65 is then for rotating The page in the screen of notebook computer.This function is also similar with the function of the wheel of certain computer mouses.Third region 66, then it is usable for providing the function of high sensitive and high-res；For example, if vernier is directed toward notebook computer screen Some zonule on curtain seems a lattice of trial balance (spreadsheet) or an English words in document processing software This region can be used to reach purpose for mother.As for other regions, they be can also be used to as the left button for being equivalent to mouse An or specific function on right button or computor-keyboard.

Fig. 7 show some electronic equipments for being able to use vernier shifter or touch controller of the invention.These equipment are extremely It less include desktop computer, notebook computer, tablet computer (Tablet computer) has big display screen and can present The mobile phone of icon (icon), certain palms action toys by young man and adult welcome, global pick device (GPS) etc.. It is worth noting that, optical cursor controller of the invention, size of the actual size relative to mobile phone, can be made remote small In size of the general mouse pad (mouse pad) relative to notebook computer.This is often a necessary design side Method, because in order not to make the volume of mobile phone, game machine or global pick device (GPS) become excessively huge, this design method It is very necessary.But if optical cursor controller of the invention is made larger, or after having made big, drop it into The back side of hand-held electronic equipment, still falls within the scope of the present invention.

Further, translucent with Lambertian surface of the invention, the smallest area, Ke Yi little To the size of about such as one half centimeter of diameter or so of circle.Such size is used to operate hand-held than major part The size of the finger of formula equipment is also small.At this time when being covered by finger for this translucent, the light in environment completely can not It is mapped on translucent Lambertian surface again, only the inner light of empty room (cavity), indicator (hand can be illuminated Refer to) surface.Therefore, the character shape on finger, the lines such as swelled, groove mark, whirlpool, or intersect etc., it is ok Image detector is allowed to be used to monitor finger relative to translucent movement, and the movement of the vernier on command and display screen in turn. For from the considering of actual fabrication, the shape of translucent with Lambertian surface of the invention is not limited to For circle；Other shapes such as rectangle, rectangular or any design for meeting hand-held electronic equipment can be used.

It further says again, optical profile type vernier shifter of the invention, it, can also in addition to that can make on hand-held electronic equipment To be used in notebook computer, electronic writing board, plate type computer, e-book, electronic media player or other similar On equipment.It is envisioned that optical cursor controller or touch controller of the invention, can replace the mouse of desktop computer Mark, if it is combined with keyboard, or combines with computer screen, can get rid of general masses to conventional mouse Demand.

It further says again, light source used in the present invention can issue the light different from ambient light, these light Characteristic (intensity of the light of such as certain wavelength accounts for the ratio of the intensity for the light that the light source all issues), because of the light with environment It is not identical, the image being illuminated can be made to be easier to be detected, increase the accuracy of Venier controller of the invention.As matched again It closes using the image processor with the different characteristic of lightsensitivity for each wavelength, then vernier shifter of the invention is again It can be more sharper.Using multiple light sources from different angle directive indicator or finger, also vernier of the invention can be made to move Dynamic device is sharper.This is primarily due to the image being illuminated, and has more chances the light source for coming from empty room (cavity) Light reflect back so that the image at the position of indicator or finger being illuminated, it is easier to be identified out in background.

Essential implementation of the present invention clearly describes out in earlier figures 1 to Fig. 7, and other change applications are still very much, not It is only limitted to depicted in those figures, basic implementation method, then it is still not outer in stated ranges of the invention, therefore its power for using Range should be kept within bounds by claims range of the invention, will not enumerate herein.

Claims

1. a kind of Venier controller, which is characterized in that there is an empty room, which is built-in with a light source and an image detector, The empty room is covered by half slide, which has the upper surface of a smooth diffusing surface, which is one Bright rich Surface L ambertian surface, so that the image detector, which is received, is formed by fuzzy shadow by the light spread Picture, this translucent has a kind of lower surface, and the light that can be emitted by the indoor light source of the sky is irradiated to, and opens in the light source While dynamic, which is also irradiated to by the light that the light source is emitted, when an indicator touches the light diffusing surface When, and when can move on it, which can detect a reflected image illuminated, the back projection illuminated As having the surface being illuminated, so that the Venier controller is controlled the vernier on the display screen of an electronic instrument.

2. Venier controller according to claim 1, which is characterized in that when to touch this translucent simultaneously for multiple indicators When the light diffusing surface of piece, which can control multiple functions on the display screen simultaneously.

3. Venier controller according to claim 1, which is characterized in that it is several special that the light diffusing surface can be divided into Region, to control multiple special functions, multiple specific function is included at least:

(a) control of vernier；The even control of the vernier, including at least the control to multiple verniers；

(b) scrolling of the page；

(c) rotation of image；

(d) function related with resolution of screen；

(e) function related with left button with the right button of mouse.

4. Venier controller according to claim 1, which is characterized in that the image detector section takes multiple images, wherein First image and another second image content, be cut to block respectively, the block be used to determine the instruction Device is from the first image to the amount of movement of second image, and then amount of movement extrapolates the movement of the vernier on the display screen accordingly Amount.

5. Venier controller according to claim 1, which is characterized in that when the indicator leaves the light of the translucent on piece When diffusing surface, which can fall the image blur of the indicator, make the indicator can not be by the image detecting Device detects；By this effect, a function related with the vernier seated position is selected, and the program of selection is at least wrapped It includes: the indicator being made to leave the translucent light diffusing surface first, until a distance, makes the shadow on the surface of the indicator Picture is no longer appreciated that then the indicator returns on the light diffusing surface, and contacts by the image detector, so that should Image detector is appreciated that the presence of the indicator once again, and via the above process, which issues a signal, represents one and is somebody's turn to do The related function of vernier seated position is selected.

6. one is used for control method of cursor, which is characterized in that controlled for vernier, this method includes at least:

(a) an optics trigger-type Venier controller is formed, on the Venier controller, at least there is an empty room, still have in the empty room One light source and an image detector, the empty room are covered by half slide, which has the upper of a smooth diffusing surface Surface, the light diffusing surface are a bright rich Surface L ambertian surface, which can be by this The light that the light source inside empty room is issued is irradiated to, when an indicator touches the surface Lang Bo, and can be When moving thereon, which detects the reflected image illuminated, which, which has, is illuminated Surface, and the Lambertian surface is incident on by ambient light and is formed by image, then it is a kind of fuzzy image；

(b) when the indicator contacts the surface Lang Bo and moves on it, which shoots a series of image；

(c) by analyzing a series of image in relation to the indicator, determine the movement of vernier over the display.

7. according to claim 6 be used for control method of cursor, which is characterized in that it is translucent to touch this using the indicator Piece selects certain functions on the display.

8. according to claim 6 be used for control method of cursor, which is characterized in that this method uses multiple indicators, or Person is multiple fingers, while touching the light diffusing surface, to control multiple functions.

9. according to claim 6 be used for control method of cursor, which is characterized in that when the indicator is moved to translucent Upper certain specified regions, for controlling certain functions on the display, which is included at least:

(a) vernier is controlled；

(b) the scrolling page；

(c) image rotating；

(d) resolution of screen is adjusted；

(e) it provides and presses right button or the similar function of left button with mouse.

10. according to claim 6 be used for control method of cursor, which is characterized in that this method is used to select one to be presented on Function on screen, this method are by the specific region on mobile vernier a to screen, and it is special which represents one Function by touching the translucent movement, and at least further includes that the indicator is pulled away to this partly in the movement touched The movement of slide, the movement enable the indicator to leave this translucent arrival certain distance, and image detector is caused to cut The image for the indicator got is fuzzy image, so that image detector can not tell the indicator；Then the indicator The translucent on piece is come back to, is contacted, the image detector is enabled to detect the presence of the indicator, above-mentioned mistake Journey makes this method select a certain function of presenting on the screen.

11. according to claim 6 be used for control method of cursor, which is characterized in that this method also includes at least scrolling screen The method of curtain, the method for the scrolling screen is reached by certain specified region that the indicator is moved to the translucent on piece At, and the region is on the light diffusing surface.

12. according to claim 6 be used for control method of cursor, which is characterized in that this method also includes at least rotation shadow The method of picture, the method for the image rotating are reached by certain specified region that the indicator is moved to the translucent on piece At, and the region is on the light diffusing surface.

13. according to claim 6 be used for control method of cursor, which is characterized in that this method also includes at least increase screen The method of the susceptibility or resolution of curtain, the susceptibility of the increase screen or the method for resolution are by the way that the indicator is mobile Reach to certain specified region of the translucent on piece, and the region is on the light diffusing surface.

14. one kind is used for touch function method, which is characterized in that this method includes at least:

(d) optical touch controller is formed, on the optical touch controller, at least there is an empty room, still have an at least light source in the empty room With an at least image detector, which is covered by half slide, which has the upper table of a smooth diffusing surface Face, which is a Lambertian surface, so that the image detector receives the light institute shape by spreading At fuzzy image, the touch controller and an electronic instrument are coupled；

(e) it is directed to an indicator contacted with the light diffusing surface, captures an image, when the indicator touches light diffusion When surface, a reflected image illuminated is generated, as translucent place for being centered around the reflected image illuminated, light is all Diffused away by the Lambertian surface；

(f) by analyzing a series of image in relation to the indicator, determine a certain function of the electronic instrument.

15. according to claim 14 be used for touch function method, which is characterized in that the light source used in this method Wavelength, it is differing from each other.

16. a touch controller, which is characterized in that there is an empty room, which is built-in with a light source and an image detector, the empty room It is covered by half slide, which has the upper surface of a smooth diffusing surface, which is one Lambertian surface, so that the image detector, which is received, is formed by fuzzy image by the light spread, when a finger When showing that device touches the light diffusing surface, the reflected image that illuminates is generated, as being centered around the half of the reflected image illuminated The place of slide, light have all been diffused away by the Lambertian surface, the reflected image illuminated, by the image Detector detects, so that the touch controller is controlled the vernier on the display screen of an electronic instrument.

17. touch controller according to claim 16, which is characterized in that the indicator of touch controller is used to refer to, when multiple fingers When showing device while touching the light diffusing surface of the translucent on piece of the touch controller, which controls on the touch controller simultaneously Multiple functions.

18. touch controller according to claim 16, which is characterized in that possessed light diffusing surface, the light on touch controller Diffusing surface is divided into several special areas, and to control multiple special functions, multiple specific function is included at least:

(f) control of vernier；The even control of the vernier, including at least the control to multiple verniers；

(g) scrolling of the page；

(h) rotation of image；

(i) function related with resolution of screen；

(j) function related with left button with the right button of mouse.

19. touch controller according to claim 16, which is characterized in that image detector possessed by touch controller, the image Detector captures multiple images, and the content of one of those the first image and another second image is cut to area respectively Block, the block can be used to determine the indicator from the first image to the amount of movement of second image, and then amount of movement pushes away accordingly Calculate the amount of movement of the vernier on the display screen.

20. touch controller according to claim 16, which is characterized in that for controlling the indicator of the touch controller, when this refers to When showing that device leaves the light diffusing surface of the translucent on piece, which can fall the image blur of the indicator, make The indicator can not be detected by the image detector；By this effect, a function related with the vernier seated position can It is selected, the program of selection includes at least: the indicator being made to leave the translucent light diffusing surface first, until one Distance makes the image on the surface of the indicator, is no longer appreciated that by the image detector, and then the indicator returns light diffusion It on surface, and contacts, so that the image detector is appreciated that the presence of the indicator once again, via the above process, the instruction Device issues a signal, represents a function related with the vernier seated position and is selected.