CN201812262U - Optical machine structure - Google Patents
Optical machine structure Download PDFInfo
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- CN201812262U CN201812262U CN2010205608307U CN201020560830U CN201812262U CN 201812262 U CN201812262 U CN 201812262U CN 2010205608307 U CN2010205608307 U CN 2010205608307U CN 201020560830 U CN201020560830 U CN 201020560830U CN 201812262 U CN201812262 U CN 201812262U
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- light
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- mouse
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Abstract
The utility model relates to an optical machine structure, comprising a waveguide component and a first lens. The waveguide component comprises a light incidence surface, a light guide passage and a light emitting surface, wherein the light emitting surface and the light incidence surface are respectively arranged at two opposite ends of the light guide passage, the first lens is arranged at one end of the light emitting surface of the waveguide component. A curved mirror comprises a first curved surface and a second curved surface, wherein the first curved surface and the second curved surface are arranged at the same side of the first lens, and the edge of the first curved surface is adjacent to the edge of the second curved surface; therefore, no matter a mouse is positioned on the surface of an object or is positioned on the surface of the object made of a light transmitting material, precise positioning can be achieved by virtue of the first lens with the first curved surface and the second curved surface.
Description
Technical field
The utility model relates to a kind of mechanical-optical setup, particularly a kind of mechanical-optical setup that is applied to optical mouse.
Background technology
Mouse is a kind of input equipment of the robot calculator that is in daily use.Mechanical-optical setup on the mouse can be used to the cursor on the screen of robot calculator move with the location, and can come by the button on the mouse to cursor operate through the actuating icon on the screen of position.
The mechanical-optical setup of existing mouse is to be equiped with a roller under on, drives the rotation of roller on desktop by rolling mouse.Mouse inside is equiped with wireless transmitter simultaneously, and wherein wireless base station apparatus can be infrared light-emitting diode or infrared laser diode etc., and radio receiver can be photodiode etc.When roller rotates, can interdict being connected of wireless base station apparatus and radio receiver, can be used to the cursor on the screen of robot calculator is moved and the location.
Because existing mouse is to rotate by roller to locate, but because on desktop when mobile, taking the dust of desktop etc. in the mouse easily, mouse influenced the accuracy that mouse is located.In recent years, the mechanical-optical setup in the mouse changes into mostly and directly utilizes light R-T unit to locate, and shines on desktop light is oblique by light-emitting device, and utilizes photovalve to come the light of sensing by the desktop reflection, with accurate in locating.Directly utilize light R-T unit to locate to reach and be existing mouse locating effect more accurately.
Because after optical mouse is the oblique object surface (surface that desktop, ground etc. contact with optical mouse) of shining in the optical mouse position of light-emitting device of establishing in being about to earlier, the object surface reflection that light can be contacted with optical mouse, after converging by the lens of establishing in the optical mouse again, receive behind the light to position by the photovalve in the optical mouse.
But if the optical mouse position is to have on the object surface of light-transmitting materials (promptly; such as the protective seam that has light-transmitting materials such as glass, plastics on desktop, ground etc. and the object surface that optical mouse contacts); can make oblique the irradiation when light-transmitting materials of light-emitting device of establishing in the optical mouse; light is refraction earlier, again by object surface reflection rays such as desktop, ground.Light reflected is passed through unirefringence again when the outgoing light-transmitting materials, this moment, light can depart from the range of receiving of the lens of establishing in the optical mouse, and made optical mouse can't locate or locate not phenomenon generation accurately.
The utility model content
The purpose of this utility model is to provide a kind of mechanical-optical setup, causes and can't locate or locate not problem accurately in order to solve the range of receiving that departs from optical mouse because of light reflected.
To achieve these goals, the utility model discloses a kind of mechanical-optical setup, includes:
One waveguide component comprises again: an incidence surface, a guide lighting channel and an exiting surface, and this exiting surface and this incidence surface lay respectively at the opposite end of this guide lighting channel; And
One first lens are positioned at an end of this exiting surface of this waveguide component, comprise: a first surface; And one second curved surface;
Wherein, this first surface and this second curved surface are positioned at the same side of these first lens, and the edge of the edge of this first surface and this second curved surface is adjacent.
Above-mentioned mechanical-optical setup wherein, also comprises: in order to converge one second lens of a light in this incidence surface of this waveguide component, these second lens are positioned at an end of this incidence surface of this waveguide component.
Above-mentioned mechanical-optical setup, wherein, these second lens are adjacent to this incidence surface.
Above-mentioned mechanical-optical setup, wherein, this incidence surface is a smooth surface.
Above-mentioned mechanical-optical setup, wherein, the optical axis of this first surface forms one first angle with the central shaft of vertical this exiting surface.
Above-mentioned mechanical-optical setup, wherein, this first angle is an acute angle or an obtuse angle.
Above-mentioned mechanical-optical setup, wherein, the optical axis of this second curved surface is the optical axis that is parallel to this first surface.
Above-mentioned mechanical-optical setup, wherein, the optical axis of this second curved surface forms one second angle with the central shaft of vertical this exiting surface, and this second angle is different from this first angle.
Above-mentioned mechanical-optical setup, wherein, this second angle is an acute angle or an obtuse angle.
In sum, when being applied to mouse according to the disclosed mechanical-optical setup of the utility model, when the mouse position is object surface on desktop, ground etc., by the oblique object surface that contacts in mouse of shining of the light of establishing in the mouse that light-emitting component sent, light can directly be reflected, first surface by first lens converges at photovalve again, to reach accurate location.When the mouse position is when having on the object surface of light-transmitting materials, by the oblique light-transmitting materials of shining of the light of establishing in the mouse that light-emitting component sent in object surface, can enter light-transmitting materials after the interface refraction via light-transmitting materials and air earlier, reflect via object surface again, after interface refraction, leave light-transmitting materials then through light-transmitting materials and air, second curved surface by first lens converges at photovalve at last, to reach accurate location.By first lens with first surface and second curved surface, make mouse no matter on the object surface or have on the object surface of light-transmitting materials, still can reach accurate location.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the mechanical-optical setup synoptic diagram of the utility model first embodiment;
Fig. 2 is positioned at the object surface synoptic diagram for the mechanical-optical setup of the utility model first embodiment;
Fig. 3 is positioned at the object surface synoptic diagram with light-transmitting materials for the mechanical-optical setup of the utility model first embodiment;
Fig. 4 is the mechanical-optical setup synoptic diagram of the utility model first embodiment; And
Fig. 5 is the mechanical-optical setup synoptic diagram of the utility model first embodiment.
Wherein, Reference numeral
1 light-emitting component
2 photovalves
20 incidence surfaces
30 guide lighting channels
40 exiting surfaces
100 waveguide components
200 first lens
300 second lens
210 first surfaces
220 second curved surfaces
The refractive index of n1 guide lighting channel
The refractive index of n2 outside air
The optical axis of P first surface
The optical axis of S first surface
The central shaft of the vertical exiting surface of Q
The R object surface
The T light-transmitting materials
A first angle
B second angle
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and principle of work are done concrete description:
Fig. 1 is the mechanical-optical setup synoptic diagram of the utility model first embodiment.
Fig. 2 is positioned at the object surface synoptic diagram for the mechanical-optical setup of the utility model first embodiment.
Please refer to Fig. 1 and Fig. 2, in this embodiment, mechanical-optical setup can be applicable on the mouse, in order to receive light-emitting component 1 in the mouse (such as, light emitting diode or laser diode etc. are in order to convert electric energy to the element of luminous energy) light launched goes up (promptly with the object surface R that exposes to the mouse position, such as desk, the surface that object such as mouse pad or floor contacts with mouse, for example: desktop, ground etc.), when light reflects via the object surface R that contacts with mouse, utilize photovalve 2 in the mouse (such as, photodiode etc. in order to receive luminous energy and transform light energy to be become the element of electric energy) to receive the light that is reflected again.
Mechanical-optical setup includes: the waveguide component 100 and first lens 200.
The light that guide lighting channel 30 is received in order to conduction incidence surface 20.
Exiting surface 40 leaves guide lighting channel 30 in order to light to be provided.
Exiting surface 40 can be a smooth surface, with so that light when leaving guide lighting channel 30, can not cause effect such as light scatter to produce because of the coarse of exiting surface 40 surfaces, leaves the output efficiency of guide lighting channel 30 with what improve light via exiting surface 40.
The optical axis S of the optical axis P of first surface 210 and second curved surface 220 can be respectively be formed with first angle (indicating among the figure) with the object surface R of mouse position, and wherein first angle is preferably the right angle.
The central shaft Q of exiting surface 40 can be formed with second angle (not indicating among the figure) with the object surface R of mouse position, and wherein second angle is preferably acute angle or obtuse angle (that is, second angle is not 0 degree, 90 degree or 180 degree).
In this embodiment, the optical axis P of first surface 210 can form first included angle A with the central shaft Q of vertical exiting surface 40, and the optical axis S of second curved surface 220 can be parallel to the optical axis P of first surface 210.Wherein, first included angle A can be acute angle or obtuse angle.
The material of waveguide component 100 can be glass or plastics etc.
According to the disclosed mechanical-optical setup of the utility model, after the light-emitting component in the mouse 1 emits beam, can receive the light that light-emitting component 1 is sent by the incidence surface 20 that is adjacent to light-emitting component 1 earlier.Mechanical-optical setup is limited to transmission in the guide lighting channel 30 by the difference (n1 is not equal to n2) of guide lighting channel 30 refractive index ns 1 with outside air refractive index n 2 with light, and last light can leave guide lighting channel 30 via exiting surface 40.After light leaves exiting surface 40, can shine in the object surface R of mouse position and go up (that is, the surface that contacts with mouse such as objects such as desk, mouse pad or floors, for example: desktop, ground etc.).This moment, light can be reflected by the object surface R of mouse position, and the first surface 210 via first lens 200 will be converged on the photovalve 2 by the light that object surface R reflected of mouse position again.Photovalve 2 receives and can transmit a signal behind the light and the cursor on the screen of computing machine is moved and locatees being used for for computing machine.
Fig. 3 is positioned at the object surface synoptic diagram with light-transmitting materials for the mechanical-optical setup of the utility model first embodiment.
Please refer to Fig. 3, when having a light-transmitting materials T between the object surface R of mouse and mouse position, light-emitting component 1 emitted light in the mouse can receive the light that light-emitting component 1 is sent by the incidence surface 20 that is adjacent to light-emitting component 1 earlier.Mechanical-optical setup is limited to transmission in the guide lighting channel 30 by the difference (n1 is not equal to n2) of guide lighting channel 30 refractive index ns 1 with outside air refractive index n 2 with light, and last light can leave guide lighting channel 30 via exiting surface 40.
After leaving exiting surface 40, light can shine the light-transmitting materials T (that is protective seams such as the transparent pad that upward is provided with such as desk, mouse pad etc., glass) on object surface R in advance.This moment, light can enter in the light-transmitting materials T after the interface refraction of light-transmitting materials T and air.When light in light-transmitting materials T by object surface R (promptly, surface such as objects such as desk, mouse pad or floors, for example: desktop, ground etc.) reflect after, when light reflected marched to the interface of light-transmitting materials T and air in light-transmitting materials T, light entered in the air after being refracted again.
Because mechanical-optical setup is on the object surface R with light-transmitting materials T the time, do not having on the object surface R of light-transmitting materials T compared to mechanical-optical setup, how understood the light travel path that twice refraction walked in light-transmitting materials T, therefore after light refraction goes out light-transmitting materials T, 210 scopes that can converge light of first surface that can depart from first lens 200, can converge the light that reflects via light-transmitting materials T by second curved surface 220 of first lens 200 this moment on photovalve 2.Photovalve 2 receives and can transmit a signal behind the light and the cursor on the screen of computing machine is moved and locatees being used for for computing machine.
In this, when the mouse position is on desktop, ground etc. during with object surface R that mouse contacts, the oblique object surface R that contacts in mouse that shines of light that is sent by the light-emitting component of establishing in the mouse 1, light can directly be reflected, first surface 210 by first lens 200 converges at photovalve 2 again, to reach accurate location.When the mouse position is when having on the object surface R of light-transmitting materials T, the oblique irradiation of light of being sent by the light-emitting component of establishing in the mouse 1 in the light-transmitting materials T of mouse position, can be earlier via of the object surface R reflection of light-transmitting materials T refraction back by desktop, ground etc., leaving light-transmitting materials T through after the unirefringence then, second curved surface 220 by first lens 200 converges at photovalve 2 at last, to reach accurate location.By first lens 200 with first surface 210 and second curved surface 220, make mouse no matter on the object surface R or on the light-transmitting materials T on the object surface R, still can reach accurate location.
Fig. 4 is the mechanical-optical setup synoptic diagram of the utility model second embodiment.
Please refer to Fig. 4, and close with reference to previous embodiment.In this embodiment, mechanical-optical setup also includes second lens 300.
Because it is radial that the light that sent of light-emitting component 1 can be, that is after light leaves light-emitting component 1, can form the light of diffusion.For the light that light-emitting component 1 is launched can effectively be incident to incidence surface 20, therefore between incidence surface 20 and light-emitting component 1, add second lens 300, in order to will converging at the incidence surface 20 of waveguide component 100, to improve the coupling efficiency that light that light-emitting component 1 launched is coupled to incidence surface 20 by the diffusion light line that light-emitting component 1 is sent.
Fig. 5 is the mechanical-optical setup synoptic diagram of the utility model the 3rd embodiment.
Please refer to Fig. 5, and close with reference to previous embodiment.In this embodiment, the optical axis S of second curved surface 220 can be not be parallel to each other with the optical axis P of first surface 210 yet, that is, the optical axis P of first surface 210 can form first included angle A with the central shaft Q of vertical exiting surface 40, and the optical axis S of second curved surface 220 can form second included angle B with the central shaft Q of vertical exiting surface 40, and second included angle B is different from first included angle A.Wherein, first included angle A can be acute angle or obtuse angle, and second included angle B can be acute angle or obtuse angle.
According to the disclosed mechanical-optical setup of the utility model, by first lens 200, make mouse no matter on the object surface R or have on the object surface R of light-transmitting materials T with first surface 210 and second curved surface 220, still can reach accurate location.
In sum, when being applied to mouse according to the disclosed mechanical-optical setup of the utility model, when the object surface R of mouse in desktop, ground etc. goes up use, the oblique object surface R that contacts in mouse that shines of the light that light-emitting component 1 is sent, light can converge at photovalve 2 via first surface 210 after reflecting via object surface R; Use constantly on object surface R and work as mouse with light-transmitting materials T, the light that light-emitting component 1 is sent is oblique to be shone in the light-transmitting materials T of object surface R, refraction earlier enters light-transmitting materials T, reflect via object surface R again, leave light-transmitting materials T through reflecting once more after the reflection, converge at photovalve 2 by second curved surface 220 at last.Therefore, converge the reflection ray that receives, cause mouse, all can reach accurate location no matter on the object surface R or have on the object surface R of light-transmitting materials T by lens with different two curved surfaces.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (9)
1. a mechanical-optical setup is characterized in that, includes:
One waveguide component comprises again: an incidence surface, a guide lighting channel and an exiting surface, and this exiting surface and this incidence surface lay respectively at the opposite end of this guide lighting channel; And
One first lens are positioned at an end of this exiting surface of this waveguide component, comprise: a first surface; And one second curved surface;
Wherein, this first surface and this second curved surface are positioned at the same side of these first lens, and the edge of the edge of this first surface and this second curved surface is adjacent.
2. mechanical-optical setup according to claim 1 is characterized in that, also comprises:
In order to converge one second lens of a light in this incidence surface of this waveguide component, these second lens are positioned at an end of this incidence surface of this waveguide component.
3. mechanical-optical setup according to claim 2 is characterized in that, these second lens are adjacent to this incidence surface.
4. mechanical-optical setup according to claim 1 is characterized in that, this incidence surface is a smooth surface.
5. mechanical-optical setup according to claim 1 is characterized in that, the optical axis of this first surface forms one first angle with the central shaft of vertical this exiting surface.
6. mechanical-optical setup according to claim 5 is characterized in that, this first angle is an acute angle or an obtuse angle.
7. mechanical-optical setup according to claim 5 is characterized in that, the optical axis of this second curved surface is the optical axis that is parallel to this first surface.
8. mechanical-optical setup according to claim 5 is characterized in that, the optical axis of this second curved surface forms one second angle with the central shaft of vertical this exiting surface, and this second angle is different from this first angle.
9. mechanical-optical setup according to claim 8 is characterized in that, this second angle is an acute angle or an obtuse angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010205608307U CN201812262U (en) | 2010-10-08 | 2010-10-08 | Optical machine structure |
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Application Number | Priority Date | Filing Date | Title |
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CN2010205608307U CN201812262U (en) | 2010-10-08 | 2010-10-08 | Optical machine structure |
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CN201812262U true CN201812262U (en) | 2011-04-27 |
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CN2010205608307U Expired - Fee Related CN201812262U (en) | 2010-10-08 | 2010-10-08 | Optical machine structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115343789A (en) * | 2021-05-14 | 2022-11-15 | 原相科技股份有限公司 | Multifocal lens, and mold and optical machine structure for manufacturing multifocal lens |
-
2010
- 2010-10-08 CN CN2010205608307U patent/CN201812262U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115343789A (en) * | 2021-05-14 | 2022-11-15 | 原相科技股份有限公司 | Multifocal lens, and mold and optical machine structure for manufacturing multifocal lens |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20161008 |
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CF01 | Termination of patent right due to non-payment of annual fee |