CN2684279Y - Optical signal image acquisition device - Google Patents
Optical signal image acquisition device Download PDFInfo
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- CN2684279Y CN2684279Y CN 200420001856 CN200420001856U CN2684279Y CN 2684279 Y CN2684279 Y CN 2684279Y CN 200420001856 CN200420001856 CN 200420001856 CN 200420001856 U CN200420001856 U CN 200420001856U CN 2684279 Y CN2684279 Y CN 2684279Y
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Abstract
The optical signal image acquisition device is a device for an optical input device to pick the correct image on a transparent medium object. The device principally comprises: a light-emitting assembly used for producing a light axis projecting beam along a vertical direction; a transparent medium object; a spectroscope located between the light-emitting assembly and the transparent medium object and used for transmitting the light axis of the projecting beam of the self-light-emitting assembly to an image contact surface under the transparent medium object and reflecting the image on the image contact surface once or more; the light axis of the picked image and the light axis of the transmitted light beam are overlapped; a lens positioned on one side of the spectroscope focusing the light axis of the image reflected by the spectroscope; an image sensing unit positioned on one side of the lens used for picking the image focused by the lens. Herefrom, the optical signal image acquisition device can supply the optical device to pick image on a transparent or notransparent medium object, and save the light source.
Description
Technical field
The utility model relates to a kind of optical signalling image capture unit, refers to a kind of device that can capture correct image for optical input apparatus (as: optical mouse) on the transparent medium object especially.
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, cut-open view for general optical mouse, its mouse moves on a plane, when luminescence 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 axle F, the image of image axle F focuses on through eyeglass 65, and make the image on the projective object image axle F of light source institute on the image sensing component 66 proper fechtable surface of contact 64, make the correct image of these image sensing component 66 sustainable acquisitions, and then calculate this mouse moving distance and direction exactly by circuit control unit (figure does not show).
As mentioned above, the pick-up image method of this optical mouse need make the optical axis R of the optical axis D of projecting beam and the pick-up image P that will intersect at a point on the image axle F of surface of contact 64, can make image sensing component 66 correctly capture the signal of video signal of image axle F.
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 axle F, when projection light is incident to surface of contact 64, if when being not counted in refractive index, the optical axis D meeting transmission surface of contact 64 of projecting beam meets at 1 M with the image axle F1 of its below, promptly the optical axis R of the optical axis D of this projecting beam and pick-up image can't intersect at image axle 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 the effect.
Moreover the light signal that this luminescence component 61 projects will can more easily expend light source through light guide plate 62 secondary reflections to surface of contact 64.
Therefore, whether those skilled in the art there's no one who doesn't or isn't can do on transparent or non-transparent medium face as further research at this optical mouse.
Summary of the invention
A purpose of the present utility model is to provide optical mouse can capture the device of correct image on a transparent medium face.
Another purpose of the present utility model 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.
For reaching this purpose, the utility model proposes one and can supply optical input apparatus (as: optical mouse etc.) on the transparent interface object, to capture the device of correct image, this device comprises: a luminescence component, in order to produce the optical axis of a vertical direction projecting beam; One transparent medium object; One spectroscope, between luminescence component and transparent medium object, be transmitted through the image surface of contact of transparent medium object below in order to optical axis with autoluminescence assembly projecting beam, and with the image of this image surface of contact once or once above reflection, the optical axis of pick-up image and the optical axis of transmitted light beam are overlapping; One lens are positioned at a spectroscopical side, focusing on through the optical axis of spectroscope reflected image; Reach an image sensing unit, be positioned at a side of lens, in order to the image of acquisition through this lens focus.Aforesaid transparent medium object can be glass object.Can be provided with a catoptron between aforesaid spectroscope and the lens, this spectroscope and catoptron also can be organized and be set as single mirror group.
This device also can comprise: a luminescence component, in order to produce the optical axis of a projecting beam; One transparent medium object; One spectroscope, be positioned at the top of transparent medium object, and the optical axis that is produced with luminescence component is corresponding, in order to once or reflex to the image surface of contact of transparent medium object below once with the optical axis of autoluminescence assembly projecting beam, and transmit with the reflection of the image of this image surface of contact and from spectroscope, the optical axis of pick-up image is with overlapping through the optical axis of folded light beam; One lens are positioned at a spectroscopical side, focusing on through the optical axis of spectroscope transmission image; Reach an image sensing unit, be positioned at a side of lens, in order to the image of acquisition through this lens focus.Aforesaid transparent medium object can be glass object.Can be provided with a catoptron between aforesaid spectroscope and the luminescence component, this spectroscope and catoptron also can be organized and be set as single mirror group.
Description of drawings
Figure 1A is the cut-open view of known optical mouse.
Figure 1B is the enforcement illustration of known optical mouse.
Fig. 2 is the synoptic diagram of first embodiment of the present utility model.
Fig. 3 is the synoptic diagram of second embodiment of the present utility model.
Fig. 4 is the synoptic diagram of the 3rd embodiment of the present utility model.
Fig. 5 is the synoptic diagram of the 4th embodiment of the present utility model.
Fig. 6 is the synoptic diagram of the 5th embodiment of the present utility model.
Fig. 7 is the synoptic diagram of the 6th embodiment of the present utility model.
Wherein, description of reference numerals is as follows:
61 luminescence components, 62 light guide plate
621 first reflectings surface, 622 second reflectings surface
63 drain pans, 64 surface of contact
65 eyeglasses, 66 image sensing components
The optical axis of the optical axis R pick-up image of D projecting beam
F, F1 image axle
1 luminescence component, 2 spectroscopes
3 transparent medium objects, 31 image surface of contact
4 lens, 5 image sensing units
6,8 spectroscopes 6 ', 8 ' catoptron
7,9 mirror groups
The optical axis of D, D1, D2 light beam
The optical axis of R, R1, R2 image
Embodiment
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only for reference with the explanation usefulness, be not to be used for the utility model is limited.
Seeing also Fig. 2, is the synoptic diagram of first embodiment of the present utility model.It can supply optical input apparatus (as optical mouse) to capture the device of correct image on a transparent medium (as glass) object, and this device mainly comprises a luminescence component 1, a spectroscope 2, a transparent medium object 3, lens 4 and an image sensing unit 5; Wherein spectroscope 2 is between luminescence component 1 and transparent medium object 3, be transmitted through the image surface of contact 31 of transparent medium object 3 belows in order to optical axis D with autoluminescence assembly 1 projecting beam, and with the reflection of the image of this image surface of contact 31, the optical axis R of pick-up image and the optical axis D1 of transmitted light beam are overlapping.
And this optical signalling image acquisition method comprises the following steps:
Produce the optical axis D of a vertical direction projecting beam, this light beam is to be produced by a luminescence component 1, and this luminescence component 1 is a light emitting diode.
The optical axis D of this projecting beam is directed to the surface of a spectroscope (beam splitter) 2, and this spectroscope 2 is one can be with the reflection of the light beam of an incident part, the optical object of a part of transmission.
Through the image surface of contact 31 of the optical axis D1 to of these spectroscope 2 transmitted light beams transparent medium object 3 belows, this transparent medium can be glass etc.
The image of this image surface of contact 31 reflexes to the inner face of spectroscope 2, and the optical axis R of pick-up image is with overlapping through the optical axis D1 of these spectroscope 2 transmitted light beams.
Image optical axis R1 to lens 4 through these spectroscope 2 reflections, for the image of an image sensing component (as CCDC or CIS etc.) 5 acquisitions through these lens 4 effects, because this luminescence component 1 produces the optical axis D1 of projecting beam and the optical axis R of pick-up image overlaps, and intersect at P with the image surface of contact 31 of transparent medium object 3 belows, so can not take place can't pick-up image situation.
By this, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensing component 5 acquisitions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
Seeing also Fig. 3, is the synoptic diagram of second embodiment of the present utility model.It can capture the device of correct image for optical input apparatus on a transparent medium object, this device mainly comprises a luminescence component 1, a spectroscope 2, a transparent medium object 3, lens 4 and an image sensing unit 5; Wherein spectroscope 2 is positioned at the top of transparent medium object 3, and it is corresponding with luminescence component 1, reflex to the image surface of contact 31 of transparent medium object 3 belows in order to optical axis D with autoluminescence assembly 1 projecting beam, and with the reflection of the image of this image surface of contact 31, and this spectroscope 2 transmits certainly, and the optical axis R of pick-up image is with overlapping through the optical axis D1 of folded light beam.
And the optical signalling image acquisition method comprises the following steps:
Produce the optical axis D of a horizontal direction projecting beam, this light beam is to be produced by a luminescence component 1, and this luminescence component 1 is a light emitting diode.
The optical axis D of this projecting beam is directed to the surface of a spectroscope (beam splitter) 2, and this spectroscope 2 is one can be with the reflection of the light beam of an incident part, the optical module of a part of transmission.
Through the image surface of contact 31 of the optical axis D1 to of these spectroscope 2 folded light beams transparent medium object 3 belows, this transparent medium can be glass etc.
The image of this image surface of contact 31 reflexes to aforementioned beam split border 2, and the optical axis R of pick-up image is with overlapping through the optical axis D1 of these spectroscope 2 folded light beams.
Through optical axis R1 to lens 4 of these spectroscope 2 transmission images, for the image of an image sensing component 5 acquisitions through these lens 4 effects.Because this luminescence component 1 produces the optical axis D1 of projecting beam and the optical axis R of pick-up image overlaps, and intersects at P with image surface of contact 31, thus can not take place can't pick-up image situation.
By this, optical devices can be acted on transparent medium object 3, and make light beam the reflect image of image sensing component 5 acquisitions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
The utility model also can be by a spectroscope and a catoptron to carry out the method for optical signalling image capture, as following:
See also Fig. 4, be the synoptic diagram of the 3rd embodiment of the present utility model.It is a kind of optical signalling image acquisition method, comprises the following steps:
Produce the optical axis D of a vertical direction projecting beam, this light beam is to be produced by a luminescence component 1, and this luminescence component 1 is a light emitting diode.
The optical axis D of this projecting beam is directed to the surface of a spectroscope (beam splitter) 6, and this spectroscope 6 is one can be with the reflection of the light beam of an incident part, the optical module of a part of transmission.
Through the image surface of contact 31 of the optical axis D1 to of these spectroscope 6 transmitted light beams transparent medium object 3 belows, this transparent medium can be glass etc.
The image of this image surface of contact 31 reflexes to the inner face of spectroscope 6, and the optical axis R of acquisition projection picture is with overlapping through the optical axis D1 of these spectroscope 6 transmitted light beams.
Surface through the optical axis R1 to of these spectroscope 6 reflected images catoptron 6 '.
Through the optical axis R2 to of this catoptron 6 ' reflected image lens 4, for the image of an image sensing component 5 acquisitions through these lens 4 effects, because this luminescence component 1 produces the optical axis D1 of projecting beam and the optical axis R of pick-up image overlaps, and intersect at P with the image surface of contact 31 of transparent medium object 3 belows, so can not take place can't pick-up image situation.
By this, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensing component 5 acquisitions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
See also Fig. 5, be the synoptic diagram of the 4th embodiment of the present utility model.It is a kind of optical signalling image acquisition method, comprises the following steps:
Produce the optical axis D of a vertical direction projecting beam, this light beam is to be produced by a luminescence component 1, and this luminescence component 1 is a light emitting diode.
The optical axis D of this projecting beam is directed to the surface of a catoptron (beam splitter) 8 '.
Through the surface of the optical axis D1 to of this catoptron 8 ' folded light beam spectroscope 8, this spectroscope 8 is one can be with the reflection of the light beam of an incident part, the optical module of a part of transmission.
Through the below image surface of contact 31 of the optical axis D2 to of these spectroscope 8 folded light beams transparent medium object 3, this transparent medium can be glass etc.
The image of this image surface of contact 31 reflexes to this spectroscope 8, and the optical axis R of pick-up image is with overlapping through the optical axis D2 of these spectroscope 8 folded light beams.
Through optical axis R1 to lens 4 of these spectroscope 8 transmission images, for the image of an image sensing component 5 acquisitions through these lens 4 effects.Because this luminescence component 1 produces the optical axis D2 of projecting beam and the optical axis R of pick-up image overlaps, and intersects at P with image surface of contact 31, thus can not take place can't pick-up image situation.
By this, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensing component 5 acquisitions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
Aforesaid catoptron 8 ' is between this luminescence component 1 and spectroscope 8.
The utility model also can become single object with spectroscope, the combination of the 3rd, the 4th embodiment, and is to carry out the method for optical signalling image capture, as described below.
See also Fig. 6, be the synoptic diagram of the 5th embodiment of the present utility model.It is a kind of optical signalling image acquisition method, comprises the following steps:
Produce the optical axis D of a vertical direction projecting beam, this light beam is to be produced by a luminescence component 1, and this luminescence component 1 is a light emitting diode.
The optical axis D of this projecting beam is directed to a mirror group 7, and the light beam of using incident transmits.
Through the image surface of contact 31 of the optical axis D1 to of these mirror group 7 transmitted light beams transparent medium face 3 belows, this transparent medium can be glass etc.
The image of this image surface of contact 31 reflexes to mirror group 7, and the optical axis R of pick-up image is with overlapping through the optical axis D1 of these mirror group 7 transmitted light beams.
Optical axis R2 to lens 4 through these mirror group 7 secondary reflection images, for the image of an image sensing component (as CCD or CIS) 5 acquisitions through these lens 4 effects, because this luminescence component 1 produces the optical axis D1 of projecting beam and the optical axis R of pick-up image overlaps, and intersect at P with the image surface of contact 31 of transparent medium object 3 belows, so can not take place can't pick-up image situation.
By this, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensing component 5 acquisitions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
See also Fig. 7, be the synoptic diagram of the 6th embodiment of the present utility model.It is a kind of optical signalling image acquisition method, comprises the following steps:
Produce the optical axis D of a vertical direction projecting beam, this light beam is to be produced by a luminescence component 1, and this luminescence component 1 is a light emitting diode.
The optical axis D of this projecting beam is directed to a mirror group 9, carries out secondary reflection with the light beam with incident.
Through the image surface of contact 31 of optical axis D2 to transparent medium object 3 belows of these mirror group 9 secondary reflection light beams, this transparent medium can be glass etc.
The image of this image surface of contact 31 reflexes to mirror group 9, and the optical axis R of pick-up image is with overlapping through the optical axis D2 of these mirror group 9 secondary reflection light beams.
Optical axis R1 to lens 4 through these mirror group 9 transmission images, for the image of an image sensing component (as CCD or CIS) 5 acquisitions through these lens 4 effects, because this luminescence component 1 produces the optical axis D2 of projecting beam and the optical axis R of pick-up image overlaps, and intersect at P with the image surface of contact 31 of transparent medium object 3 belows, so can not take place can't pick-up image situation.
By this, optical devices can be acted on transparent medium object 3, and make the image that light beam reflected of image sensing component 5 acquisitions, and then calculate the displacement and the direction of these optical devices by control module exactly through this transparent medium object 3.
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).
The utility model is except that can be for optical devices on the transparent medium object the pick-up image, also can be on the non-transparent medium object pick-up image.
In sum, by method for designing of the present utility model, can be for optical devices pick-up image on a transparent or non-transparent medium object, and save light source.
The above only is the preferable specific embodiment of the utility model, and feature of the present utility model is not limited thereto, and anyly is familiar with those of ordinary skill in the art, can change easily or modify, and all should be encompassed in following the application's the claim.
Claims (12)
1. an optical signalling image capture unit is a confession optical input apparatus can capture correct image on a transparent medium object a device, it is characterized in that mainly comprising:
One luminescence component in order to the optical axis that produces a vertical direction projecting beam;
One transparent medium object;
One in order to will be transmitted through the image surface of contact of this transparent medium object below from the optical axis of this luminescence component projecting beam, and with the image of this image surface of contact beam split object of above reflection once or once, between this luminescence component and this transparent medium object, the optical axis of pick-up image and the optical axis of transmitted light beam are overlapping;
One lens that will focus on through the optical axis of beam split object reflected image are positioned at a side of this beam split object; And
One in order to the image sensing unit of acquisition through the image of this lens focus, is positioned at a side of these lens.
2. optical signalling image capture unit as claimed in claim 1 is characterized in that this optical input apparatus can be an optical mouse.
3. optical signalling image capture unit as claimed in claim 1 is characterized in that this transparent medium object can be glass object.
4. optical signalling image capture unit as claimed in claim 1 is characterized in that this beam split is to liking a spectroscope.
5. optical signalling image capture unit as claimed in claim 1 is characterized in that can being provided with a catoptron between this beam split object and this lens.
6. optical signalling image capture unit as claimed in claim 5 is characterized in that this beam split object and this catoptron can be organized to be set as single mirror group.
7. an optical signalling image capture unit is a confession optical input apparatus can capture correct image on a transparent medium object a device, it is characterized in that mainly comprising:
One luminescence component in order to the optical axis that produces a projecting beam;
One transparent medium object;
One in order to the optical axis of autoluminescence assembly projecting beam once or reflex to the image surface of contact of this transparent medium object below once, and with the reflection of the image of this image surface of contact, and the beam split object that transmits of this beam split object certainly, be positioned at the top of this transparent medium object, and corresponding with this luminescence component, the optical axis of pick-up image is with overlapping through the optical axis of folded light beam;
One lens that will focus on through the optical axis of beam split object transmission image are positioned at a side of this beam split object; And
One in order to the image sensing unit of acquisition through the image of this lens focus, is positioned at a side of these lens.
8. optical signalling image capture unit as claimed in claim 7 is characterized in that this optical input apparatus can be an optical mouse.
9. optical signalling image capture unit as claimed in claim 7 is characterized in that this transparent medium object can be glass object.
10. optical signalling image capture unit as claimed in claim 7 is characterized in that this beam split is to liking a spectroscope.
11. optical signalling image capture unit as claimed in claim 7 is characterized in that can being provided with a catoptron between this beam split object and this luminescence component.
12. optical signalling image capture unit as claimed in claim 11 is characterized in that this beam split object and this reflector group are set as single mirror group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420001856 CN2684279Y (en) | 2004-01-13 | 2004-01-13 | Optical signal image acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420001856 CN2684279Y (en) | 2004-01-13 | 2004-01-13 | Optical signal image acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684279Y true CN2684279Y (en) | 2005-03-09 |
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ID=34605388
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420001856 Expired - Fee Related CN2684279Y (en) | 2004-01-13 | 2004-01-13 | Optical signal image acquisition device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443954C (en) * | 2006-03-17 | 2008-12-17 | 郎欢标 | Optical inputting method, equipment and beam splitting lens module of the said equipment |
| CN101030111B (en) * | 2006-03-21 | 2010-09-29 | 郎欢标 | Optical inputting method, apparatus and reflective lens mould set thereof |
| CN101311885B (en) * | 2007-05-23 | 2011-02-23 | 培新科技股份有限公司 | Optical multipurpose image detecting structure |
| CN105279505A (en) * | 2014-05-28 | 2016-01-27 | 培新科技股份有限公司 | Fingerprint image capturing device and fingerprint image capturing module thereof |
-
2004
- 2004-01-13 CN CN 200420001856 patent/CN2684279Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443954C (en) * | 2006-03-17 | 2008-12-17 | 郎欢标 | Optical inputting method, equipment and beam splitting lens module of the said equipment |
| CN101030111B (en) * | 2006-03-21 | 2010-09-29 | 郎欢标 | Optical inputting method, apparatus and reflective lens mould set thereof |
| CN101311885B (en) * | 2007-05-23 | 2011-02-23 | 培新科技股份有限公司 | Optical multipurpose image detecting structure |
| CN105279505A (en) * | 2014-05-28 | 2016-01-27 | 培新科技股份有限公司 | Fingerprint image capturing device and fingerprint image capturing module thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |