CN1892551A - Optical signal image fetching method for laser optical mouse - Google Patents
Optical signal image fetching method for laser optical mouse Download PDFInfo
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- CN1892551A CN1892551A CNA2005100824591A CN200510082459A CN1892551A CN 1892551 A CN1892551 A CN 1892551A CN A2005100824591 A CNA2005100824591 A CN A2005100824591A CN 200510082459 A CN200510082459 A CN 200510082459A CN 1892551 A CN1892551 A CN 1892551A
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Abstract
The present invention relates to an optical signal image extracting method used for Laser optics mouse. Said method makes luminous element generating one vertical direction projective laser bean to one spectroscopic surface, transmitting said laser bean to one transparent medium image contact surface, reflecting image contact surface image to before-mentioned spectroscope, through once or more than once reflection image laser bean to one image sensor element, for said image sensor element extracting image. Spectroscope, reflection mirror or lens combination can reduce laser bean intensity for protecting user.
Description
Technical field
The present invention relates to a kind of optical signal image extracting method that is used for the laser optics mouse, particularly a kind of optical signal image extracting method that provides optical mouse on the transparent medium object, to extract correct images.
Background technology
The structure of general mouse, the X-axis and the Y-axis scrambler that comprise two groups of exportable sequential logic signals (as 11,10,00,01) utilize this mouse bottom surface to prop up desktop or other plane and move and make monitor desire the deal with data position to particular orientation and do relative displacement.With the principle of Data Position on this mouse mobile monitors is to utilize to operate X-axis and Y-axis scrambler simultaneously and produce moving of point on the plane basically.
See also Figure 1A, it is the cut-open view of known first kind of laser optics mouse, its mouse moves on a plane, when light-emitting component 61 is projected to first reflecting surface 621 of light guide plate 62 with light emitting source, promptly can be with on this source reflection to the second reflecting surface 622, reflection via this second reflecting surface 622, light source can pass the opening of drain pan 63, be incident upon the surface of contact 64 that a nontransparent interface forms, when surface of contact 64 is non-transparent interface, surface of contact 64 is overlapping with image shaft F, the image of image shaft F focuses on through eyeglass 65, and make image sensor element 66 just can extract light source on the surface of contact 64 to throw image on the object image shaft F, make the correct image of these image sensor element 66 sustainable extractions, and then calculate this mouse moving distance and direction exactly by the circuit control unit (not shown).
As mentioned above, the extraction image method of this optical mouse, the laser beam D that need make projection and the laser beam R that the extracts image P that will intersect at a point on the image shaft F of surface of contact 64 can make image sensor element 66 correctly extract the picture signal of image shaft F.
But, if this surface of contact 64 is that a transparent dielectric material (as: glass) is made, because surface of contact 64 is not overlapping with image shaft F, when projection light is incident to surface of contact 64, if when being not counted in refractive index, the laser beam D meeting transmission surface of contact 64 of projection meets at 1 M with the image shaft F1 of its below, promptly, the laser beam D of this projection and the laser beam R that extracts image can't intersect at image shaft F, as Figure 1B, so cause this optical mouse on surface of contact 64, not act on, in other words, this optical mouse on the transparent medium object without any effect.
Therefore, the light signal that this light-emitting component 61 projects will can more easily expend light source through light guide plate 62 secondary reflections to surface of contact 64.In addition, because light-emitting component 61 produces laser beam, hurt eyes when causing the user to go out optical mouse because of laser penetration easily.Moreover known needs are provided with this eyeglass 65 and extract image to cooperate this image sensor element 66, have lacked this eyeglass 65, can't make this image sensor element 66 extract image effectively.And the setting of this eyeglass 65 not only increases extra cost, has increased the overall volume of whole optical device especially.
See also shown in Figure 2ly, it is the cut-open view of second kind of known laser optics mouse.By among the figure as can be known, produce a laser beam L by a lasing fluorescence element 1a, this laser beam L is projected to a surface of contact 3a to extract view data by a prism (prism) 2a, and then reflect laser beam L to an image lens (image lens) 4a that this has view data by this surface of contact 3a, at last throw laser beam L to a sensor groups (sensor array) 5a that this has view data by this image lens 4a again, to finish the action that receives this view data.
Moreover, see also shown in Figure 3ly, it is the cut-open view of the third known laser optics mouse.As seen from the figure, the principle of Fig. 2 is identical with Fig. 3.At first, produce a laser beam L by a lasing fluorescence element 1b, this laser beam L is projected to a surface of contact 3b to extract view data by lens (lens) 2b, and then reflect this laser beam L to these lens 2b with view data by this surface of contact 3b, at last throw laser beam L to the sensor 4b that this has view data by these lens 2b again, to finish the action that receives this view data.
Therefore, by second kind with the third known technology as can be known owing to use lasing fluorescence element 1a, 1b, and hurt eyes when causing the user to go out the laser optics mouse because of laser penetration easily.Moreover, known needs are provided with this image lens 4a or these lens 2b, to cooperate this sensor groups 5a or this sensor 4b to extract image respectively, lacked this image lens 4a or these lens 2b, can't make this sensor groups 5a or this sensor 4b extract image effectively.And the setting of this image lens 4a or these lens 2b not only increases extra cost, has increased the overall volume of whole optical device especially.
Moreover, see also shown in Figure 4ly, it is the synoptic diagram of the 4th kind of known optical mouse.By among the figure as can be known, at first produce the light beam D of vertical direction projection, this light beam is produced by a light-emitting component 1c, the light beam D of this projection is directed to the surface of a spectroscope (beam splitter) 2c, this spectroscope 2c is one can be with the part reflection of the light beam D of this incident, and the optics object of another part transmission.Image surface of contact 31c below light beam D1 to the transparent medium object 3c of this spectroscope 2c transmission.The image reflection of this image surface of contact 31c is to the inner face of spectroscope 2c, makes the light beam R with image with overlapping through the light beam D1 of this spectroscope 2c transmission, and intersects at P with the image surface of contact 31c of transparent medium object 3c below.Reflect light beam R1 to the lens 4c that this has image through this spectroscope 2c, for the image of image sensor element 5c extraction through these lens 4c effect.
Moreover, see also shown in Figure 5ly, it is the synoptic diagram of the 5th kind of known optical mouse.By among the figure as can be known, at first produce the light beam D of horizontal direction projection, this light beam D is produced by a light-emitting component 1c.This light beam D is directed to the surface of a spectroscope (beam splitter) 2c, and this spectroscope 2c is one can be with the reflection of the light beam of an incident part, the optical element of a part of transmission.Image surface of contact 31c through this spectroscope 2c beam reflected D1 to transparent medium object 3c below.The image reflection of this image surface of contact 31c is to aforementioned spectroscope 2c, and the light beam R that extracts image is with overlapping through this spectroscope 2c beam reflected D1, and intersects at P with the image surface of contact 31c of transparent medium object 3c below.Through light beam R1 to the lens 4c of this spectroscope 2c transmission image, for the image of image sensor element 5c extraction through these lens 4c effect.
Moreover, see also shown in Figure 6ly, it is the synoptic diagram of the 6th kind of known optical mouse.By among the figure as can be known, at first produce the light beam D of vertical direction projection, this light beam is produced by a light-emitting component 1c.The light beam D of this projection is directed to the surface of a spectroscope (beam splitter) 6c, and this spectroscope 6c is one can be with the reflection of the light beam of an incident part, the optical element of a part of transmission.Image surface of contact 31c below light beam D1 to the transparent medium object 3c of this spectroscope 6c transmission.The image reflection of this image surface of contact 31c is to the inner face of spectroscope 6c, and the light beam R that extracts image is with overlapping through the light beam D1 of this spectroscope 6c transmission, and intersects at P with the image surface of contact 31c of transparent medium object 3c below.Surface through light beam R1 to a catoptron 6 ' c of this spectroscope 6c reflected image.Through light beam R2 to the lens 4c of this catoptron 6 ' c reflected image, for the image of image sensor element 5c extraction through these lens 4c effect.
Moreover, see also shown in Figure 7ly, it is the synoptic diagram of the 7th kind of known optical mouse.By among the figure as can be known, at first produce the light beam D of vertical direction projection, this light beam is produced by a light-emitting component 1c.The light beam D of this projection is directed to the surface of a catoptron 8 ' c.Through the surface of this catoptron 8 ' c beam reflected D1 to spectroscope 8c, this spectroscope 8c is one can be with the reflection of the light beam of an incident part, the optical element of a part of transmission.Lower images surface of contact 31c through this spectroscope 8c beam reflected D2 to transparent medium object 3c.The image reflection of this image surface of contact 31c is to this spectroscope 8c, and the light beam R that extracts image is with overlapping through this spectroscope 8c beam reflected D2, and intersects at P with the image surface of contact 31c of transparent medium object 3c below.Through light beam R1 to the lens 4c of this spectroscope 8c transmission image, for the image of image sensor element 5c extraction through these lens 4c effect.
Moreover, see also shown in Figure 8ly, it is the synoptic diagram of the 8th kind of known optical mouse.By among the figure as can be known, at first produce the light beam D of vertical direction projection, this light beam is produced by a light-emitting component 1c.The light beam D of this projection is directed to a mirror group 7c, transmits with this light beam with incident.Image surface of contact 31c below light beam D1 to the transparent medium face 3c of this mirror group 7c transmission.The image reflection of this image surface of contact 31c is to mirror group 7c, and the light beam R that extracts image is with overlapping through the light beam D1 of this mirror group 7c transmission, and intersects at P with the image surface of contact 31c of transparent medium object 3c below.Through light beam R2 to the lens 4c of this mirror group 7c secondary reflection image, for the image of image sensor element 5c extraction through these lens 4c effect.
Moreover, see also shown in Figure 9ly, it is the synoptic diagram of the 9th kind of known optical mouse.By among the figure as can be known, at first produce the light beam D of vertical direction projection, this light beam is produced by a light-emitting component 1c.The light beam D of this projection is directed to a mirror group 9c, carries out secondary reflection with the light beam with incident.Image surface of contact 31c below light beam D2 to the transparent medium object 3c of this mirror group 9c secondary reflection.The image reflection of this image surface of contact 31c is to mirror group 9c, and the light beam R that extracts image is with overlapping through the light beam D2 of this mirror group 9c secondary reflection, and intersects at P with the image surface of contact 31c of transparent medium object 3c below.Through light beam R1 to the lens 4c of this mirror group 9c transmission image, for the image of image sensor element 5c extraction through these lens 4c effect.
Therefore, by the 4th kind to the 9th kind known technology as can be known, known needs are provided with these lens 4c and extract image to cooperate this image sensor element 5c, have lacked these lens 4c, can't make this image sensor element 5c extract image effectively.And the setting of these lens 4c not only increases extra cost, has increased the overall volume of whole optical device especially.
Summary of the invention
A purpose of the present invention is to provide optical mouse can extract the method for correct images on a transparent medium face.
Another purpose of the present invention is to provide the optical mouse that can save light source, because its light source can the shortest path be projected to the image of this transparent medium object, optical path nearest is so can reach the purpose of saving light source.
A further object of the present invention is to use laser beam to extract image, and passes through the cooperation of spectroscope, catoptron or mirror group, to reduce intensity of laser beam, the injury that is caused to protect the user to look at laser beam straight because of carelessness.
Another object of the present invention is to extract image by the more fine and closely woven image sensor element of sensor arrangement, and can saves the lens that are used in the focused image light beam, to reach cost-effective purpose.
For reaching this purpose, the inventor proposes one and can supply optical mouse extract the method for correct images on transparent interface, and this method comprises the following steps: to produce the laser beam of vertical direction projection; This laser beam is directed to a beam split object; Image surface of contact below laser beam to a dielectric piece of this beam split object transmission; The image reflection of this image surface of contact is to aforementioned beam split object, the laser beam of extracting image at this with overlapping through the laser beam of this beam split object transmission; And, through this beam split object laser beam to an image sensor element of above reflected image once or once, extract image for this image sensor element.
This method also can comprise the following steps: to produce the laser beam of a projection; This laser beam is directed to a beam split object; Through this beam split object once or the image surface of contact of once above laser light reflected Shu Zhiyi dielectric piece below; The image reflection of this image surface of contact is to aforementioned beam split object, the laser beam of extracting image at this with overlapping through this beam split object laser light reflected bundle; And, through laser beam to an image sensor element of this beam split object transmission image, extract image for this image sensor element.Aforesaid transparent medium can be glass.
This method also can comprise the following steps: to produce the laser beam of the projection of a horizontal direction; This laser beam is directed to a spectroscope; Image surface of contact below laser beam to a dielectric piece of this spectroscope primary event; To spectroscope, the laser beam of extracting image is with overlapping through the laser beam of this spectroscope primary event through the image reflection of this image surface of contact; And, through laser beam to an image sensor element of this spectroscope transmission image,, this image sensor element extracts image so that being provided.
This method also can comprise the following steps: to produce the laser beam of vertical direction projection; This laser beam is directed to a mirror group; Image surface of contact below laser beam to a dielectric piece of this mirror group secondary reflection; The image reflection of this image surface of contact is to the mirror group, and the laser beam of extracting image is with overlapping through the laser beam of this mirror group secondary reflection; And, through laser beam to an image sensor element of this mirror group transmission image,, this image sensor element extracts image so that being provided.
Reach technology, means and the effect that predetermined purpose is taked in order further to understand the present invention, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, can obtain one thus gos deep into and concrete understanding, yet appended accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.
Description of drawings
Figure 1A is the cut-open view of first kind of known laser optics mouse.
Figure 1B is the enforcement illustration of first kind of known laser optics mouse.
Fig. 2 is the cut-open view of second kind of known laser optics mouse.
Fig. 3 is the cut-open view of the third known laser optics mouse.
Fig. 4 is the synoptic diagram of the 4th kind of known optical mouse.
Fig. 5 is the synoptic diagram of the 5th kind of known optical mouse.
Fig. 6 is the synoptic diagram of the 6th kind of known optical mouse.
Fig. 7 is the synoptic diagram of the 7th kind of known optical mouse.
Fig. 8 is the synoptic diagram of the 8th kind of known optical mouse.
Fig. 9 is the synoptic diagram of the 9th kind of known optical mouse.
Figure 10 is the synoptic diagram of the first embodiment of the present invention.
Figure 11 is the process flow diagram of the first embodiment of the present invention.
Figure 12 is the synoptic diagram of the second embodiment of the present invention.
Figure 13 is the process flow diagram of the second embodiment of the present invention.
Figure 14 is the synoptic diagram of the third embodiment of the present invention.
Figure 15 is the process flow diagram of the third embodiment of the present invention.
Figure 16 is the synoptic diagram of the fourth embodiment of the present invention.
Figure 17 is the process flow diagram of the fourth embodiment of the present invention.
Figure 18 is the synoptic diagram of the fifth embodiment of the present invention.
Figure 19 is the process flow diagram of the fifth embodiment of the present invention.
Figure 20 is the synoptic diagram of the sixth embodiment of the present invention.
Figure 21 is the process flow diagram of the sixth embodiment of the present invention.
Wherein, description of reference numerals is as follows:
[known]
(Figure 1A and Figure 1B)
Light-emitting component 61 leaded lights 62 first reflectings surface 621 second reflectings surface 622
Drain pan 63 surface of contact 64 eyeglasses 65 images extract element 66
Extract laser beam D image shaft F, the F1 of the laser beam R projection of image
(Fig. 2 and Fig. 3)
Laser light light-emitting component 1a prism 2a surface of contact 3a image lens 4a
Surface of contact 3b sensor 4b laser beam L
(Fig. 4 to Fig. 9)
Light-emitting component 1c spectroscope 2c transparent medium object 3c
Image surface of contact 31c image sensing cell 5c spectroscope 6c, 8c
Laser beam D, D1, the D2 of catoptron 6 ' c, 8 ' c mirror group 7c, 9c projection
Extract laser beam R, R1, the R2 of image
[the present invention]
Light-emitting component 1 spectroscope 2 transparent medium objects 3 image surface of contact 31
Laser beam D, the D1 of projection, D2 extract laser beam R, R1, the R2 of image
Embodiment
See also Figure 10 and shown in Figure 11, it is respectively the synoptic diagram and the process flow diagram of the first embodiment of the present invention.By among the figure as can be known, the invention provides a kind of optical signal image extracting method that is used for the laser optics mouse, comprise the following steps: at first, produce the laser beam D (S100) of vertical direction projection, wherein this light beam is to be produced by a light-emitting component 1, and this light-emitting component 1 is a light emitting diode.Then, the laser beam D of this projection is directed to the surface (S102) of a spectroscope (beam splitter) 2, and wherein this spectroscope 2 is one can be with the reflection of the light beam of an incident part, the optics object of a part of transmission.Then, through the image surface of contact 31 (S104) of the laser beam D1 to of these spectroscope 2 transmissions transparent medium object 3 belows, wherein this transparent medium can be transparent materials such as glass.
Moreover the image reflection of this image surface of contact 31 is to the inner face of spectroscope 2, extract the laser beam R of image with through the laser beam D1 of these spectroscope 2 transmissions overlapping (S106).At last, through image laser bundle R1 to an image sensor element 5 of these spectroscope 2 reflections, extract image (S108) for this image sensor element (as CCD or CIS etc.) 5.Wherein, because the progress of science and technology, this image sensor element has fine and closely woven sensor arrangement, promptly under the image sensor element of same size, can arrange more sensing pixel (pixel).That is, the light beam with image is under the situation that need not use eyeglass to focus on, and this image sensor element 5 can very clearly extract image.The situation of image in addition, overlaps with the laser beam R that extracts image, and intersects at P, so can not take place to extract with the image surface of contact 31 of transparent medium object 3 belows because this light-emitting component 1 produces the laser beam D1 of projection.
Thus, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensor element 5 extractions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
See also Figure 12 and shown in Figure 13, it is respectively the synoptic diagram and the process flow diagram of the second embodiment of the present invention.By among the figure as can be known, the invention provides a kind of optical signal image extracting method that is used for the laser optics mouse, comprise the following steps: at first, produce the laser beam D (S200) of horizontal direction projection, wherein this light beam is produced by a light-emitting component 1, and this light-emitting component 1 is a light emitting diode.Then, the laser beam D of this projection is directed to the surface (S202) of a spectroscope (beam splitter) 2, and wherein, this spectroscope 2 is one can be with the reflection of the light beam of an incident part, the optical element of a part of transmission.
Moreover through the image surface of contact 31 (S204) of these spectroscope 2 laser light reflected bundle D1 to transparent medium objects 3 belows, wherein this transparent medium can be glass etc.Then, the image reflection of this image surface of contact 31 is to aforementioned spectroscope 2, extract the laser beam R of image with through these spectroscope 2 laser light reflected bundle D1 overlapping (S206).At last, through the laser beam R1 to of these spectroscope 2 transmission images image sensor element 5, extract image (S208) for this image sensor element 5.
Because this light-emitting component 1 produces the laser beam D1 of projection and overlaps with the laser beam R that extracts image, and intersects at P with image surface of contact 31, so the situation of image can not take place to extract.Thus, optical devices can be acted on transparent medium object 3, and make light beam the reflect image of image sensor element 5 extractions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
The present invention also can be by a spectroscope and a catoptron to carry out the method that optical signal image extracts, as following:
See also Figure 14 and shown in Figure 15, it is respectively the synoptic diagram and the process flow diagram of the third embodiment of the present invention.By among the figure as can be known, the invention provides a kind of optical signal image extracting method that is used for the laser optics mouse, comprise the following steps: at first, produce the laser beam D (S300) of vertical direction projection, wherein this light beam is produced by a light-emitting component 1, and this light-emitting component 1 is a light emitting diode.Then, the laser beam D of this projection is directed to the surface (S302) of a spectroscope (beam splitter) 6, and wherein this spectroscope 6 is one can be with the reflection of the light beam of an incident part, the optical element of a part of transmission.
Then, through the image surface of contact 31 (S304) of the laser beam D1 to of these spectroscope 6 transmissions transparent medium object 3 belows, wherein this transparent medium can be glass etc.Then, the image reflection of this image surface of contact 31 is to the inner face of spectroscope 6, extract the laser beam R of image with through the laser beam D1 of these spectroscope 6 transmissions overlapping (S306).Then, through the surface (S308) of the laser beam R1 to of these spectroscope 6 reflected images catoptron 6 '.At last, through the laser beam R2 to of this catoptron 6 ' reflected image image sensor element 5, extract image (S310) for this image sensor element 5.
The situation of image because this light-emitting component 1 produces the laser beam D1 of projection and overlaps with the laser beam R that extracts image, and intersects at P, so can not take place to extract with the image surface of contact 31 of transparent medium object 3 belows.Thus, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensor element 5 extractions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
See also Figure 16 and shown in Figure 17, it is respectively the synoptic diagram and the process flow diagram of the fourth embodiment of the present invention.By among the figure as can be known, the invention provides a kind of optical signal image extracting method that is used for the laser optics mouse, comprise the following steps: at first, produce the laser beam D (S400) of vertical direction projection, wherein this light beam is produced by a light-emitting component 1, and this light-emitting component 1 is a light emitting diode.Then, the laser beam D of this projection is directed to the surface (S402) of a catoptron (beam splitter) 8 '.Then, through the surface (S404) of this catoptron 8 ' laser light reflected bundle D1 to a spectroscope 8, wherein this spectroscope 8 is one can be with the reflection of the light beam of an incident part, the optical element of a part of transmission.
Then, through the lower images surface of contact 31 (S406) of these spectroscope 8 laser light reflected bundle D2 to transparent medium objects 3, wherein this transparent medium can be transparent materials such as glass.Then, the image reflection of this image surface of contact 31 is to this spectroscope 8, extract the laser beam R of image with through these spectroscope 8 laser light reflected bundle D2 overlapping (S408).At last, through the laser beam R1 to of these spectroscope 8 transmission images image sensor element 5, extract image (S410) for this image sensor element 5.
Because this light-emitting component 1 produces the laser beam D2 of projection and overlaps with the laser beam R that extracts image, and intersects at P with image surface of contact 31, so the situation of image can not take place to extract.Thus, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensor element 5 extractions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
The present invention also can become single object with spectroscope, the combination of the 3rd, the 4th embodiment, to carry out the method that optical signal image extracts, as following:
See also Figure 18 and shown in Figure 19, it is respectively the synoptic diagram and the process flow diagram of the fifth embodiment of the present invention.By among the figure as can be known, the invention provides a kind of optical signal image extracting method that is used for the laser optics mouse, comprise the following steps: at first, produce the laser beam D (S500) of vertical direction projection, wherein this light beam is produced by a light-emitting component 1, and this light-emitting component 1 is a light emitting diode.Then, the laser beam D of this projection is directed to a mirror group 7, transmits (S502) with this light beam with incident.Then, through the image surface of contact 31 (S504) of the laser beam D1 to of these mirror group 7 transmissions transparent medium face 3 belows, wherein this transparent medium can be transparent materials such as glass.
Then, the image reflection of this image surface of contact 31 is to mirror group 7, extract the laser beam R of image with through the laser beam D1 of these mirror group 7 transmissions overlapping (S506).At last, through laser beam R2 to an image sensor element 5 of these mirror group 7 secondary reflection images, extract image (S508) for this image sensor element (as CCD or CIS) 5.
The situation of image because this light-emitting component 1 produces the laser beam D1 of projection and overlaps with the laser beam R that extracts image, and intersects at P, so can not take place to extract with the image surface of contact 31 of transparent medium object 3 belows.Thus, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensor element 5 extractions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
See also Figure 20 figure and shown in Figure 21, it is respectively the synoptic diagram and the process flow diagram of the sixth embodiment of the present invention.By among the figure as can be known, the invention provides a kind of optical signal image extracting method that is used for the laser optics mouse, comprise the following steps: at first, produce the laser beam D (S600) of vertical direction projection, wherein this light beam is produced by a light-emitting component 1, and this light-emitting component 1 is a light emitting diode.Then, the laser beam D of this projection is directed to a mirror group 9, carries out secondary reflection (S602) with the light beam with incident.Then, through the image surface of contact 31 (S604) of the laser beam D2 to of these mirror group 9 secondary reflections transparent medium object 3 belows, wherein this transparent medium can be transparent materials such as glass.
Then, the image reflection of this image surface of contact 31 is to mirror group 9, extract the laser beam R of image with through the laser beam D2 of these mirror group 9 secondary reflections overlapping (S606).At last, through the laser beam R1 to of these mirror group 9 transmission images image sensor element 5, extract image (S608) for this image sensor element (as CCD or CIS) 5.
The situation of image because this light-emitting component 1 produces the laser beam D2 of projection and overlaps with the laser beam R that extracts image, and intersects at P, so can not take place to extract with the image surface of contact 31 of transparent medium object 3 belows.Thus, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensor element 5 extractions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
Again, the medium of aforesaid image surface of contact 31 (as: paper, plating, printing, engraving etc.) also can be organized and be located between two Transparent Parts (as: glass).In addition, method of the present invention also can be extracted image except that extracting the image for optical devices on the non-transparent medium object on the transparent medium object.
In sum, by method for designing of the present invention, can on a transparent or non-transparent medium object, extract image, and save light source for optical devices.In addition, the present invention can be used for reducing intensity of laser beam by the cooperation of spectroscope, catoptron or mirror group, the injury that is caused to protect the user to look at laser beam straight because of carelessness.Moreover, because the progress of conventional images sensing element 5, this image sensor element 5 has fine and closely woven sensor arrangement, promptly under the image sensor element of same size, can arrange more sensing pixel (pixel), therefore the use that can save the lens that are used for the focused image light beam is to reach cost-effective purpose.
The above, only be the detailed description and the accompanying drawing of one of the preferable specific embodiment of the present invention, feature of the present invention is not limited thereto, be not in order to restriction the present invention, all scopes of the present invention should be as the criterion with claims, and all embodiment that meets the design variation similar with it of claims of the present invention all should be contained in the category of the present invention, any those of ordinary skill in the art in the field of the invention, can think easily and variation or revise all can contain within the scope of the invention.
Claims (12)
1, a kind of optical signal image extracting method that is used for the laser optics mouse, it comprises the following steps:
Produce the laser beam of vertical direction projection;
This laser beam is directed to a beam split object;
Through the laser beam of this beam split object transmission image surface of contact to dielectric piece below;
The image reflection of this image surface of contact is to aforementioned beam split object, and the laser beam of extracting image is with overlapping through the laser beam of this beam split object transmission; And
Through this beam split object once or once the laser beam of above reflected image extract image to an image sensor element so that this image sensor element to be provided.
2, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 1 is characterized in that, this dielectric piece is a transparent medium, and it is a glass.
3, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 1 is characterized in that, this dielectric piece is a non-transparent medium.
4, a kind of optical signal image extracting method that is used for the laser optics mouse, it comprises the following steps:
Produce the laser beam of a projection;
This laser beam is directed to a beam split object;
Through this beam split object once or once above laser light reflected bundle to the image surface of contact of dielectric piece below;
The image reflection of this image surface of contact is to the beam split object, and the laser beam of extracting image is with overlapping through this beam split object laser light reflected bundle;
Through laser beam to an image sensor element of this beam split object transmission image,, this image sensor element extracts image so that being provided.
5, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 4 is characterized in that, this dielectric piece is a transparent medium, and it is a glass.
6, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 4 is characterized in that, this dielectric piece is a non-transparent medium.
7, a kind of optical signal image extracting method that is used for the laser optics mouse comprises the following steps:
Produce the laser beam of the projection of a horizontal direction;
This laser beam is directed to a spectroscope;
Image surface of contact below laser beam to a dielectric piece of this spectroscope primary event;
To spectroscope, the laser beam of extracting image is with overlapping through the laser beam of this spectroscope primary event through the image reflection of this image surface of contact;
Through laser beam to an image sensor element of this spectroscope transmission image,, this image sensor element extracts image so that being provided.
8, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 7 is characterized in that, this dielectric piece is a transparent medium, and it is a glass.
9, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 7 is characterized in that, this dielectric piece is a non-transparent medium.
10, a kind of optical signal image extracting method that is used for the laser optics mouse comprises the following steps:
Produce the laser beam of vertical direction projection;
This laser beam is directed to a mirror group;
Image surface of contact below laser beam to a dielectric piece of this mirror group secondary reflection;
The image reflection of this image surface of contact is to the mirror group, and the laser beam of extracting image is with overlapping through the laser beam of this mirror group secondary reflection;
Through laser beam to an image sensor element of this mirror group transmission image,, this image sensor element extracts image so that being provided.
11, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 10 is characterized in that, this dielectric piece is a transparent medium, and it is a glass.
12, the optical signal image extracting method that is used for the laser optics mouse as claimed in claim 10 is characterized in that, this dielectric piece is a non-transparent medium.
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| CNA2005100824591A CN1892551A (en) | 2005-07-05 | 2005-07-05 | Optical signal image fetching method for laser optical mouse |
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| CNA2005100824591A CN1892551A (en) | 2005-07-05 | 2005-07-05 | Optical signal image fetching method for laser optical mouse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311885B (en) * | 2007-05-23 | 2011-02-23 | 培新科技股份有限公司 | Optical multipurpose image detecting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311885B (en) * | 2007-05-23 | 2011-02-23 | 培新科技股份有限公司 | Optical multipurpose image detecting structure |
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