CN100367168C - Light-emitting module of optical mouse - Google Patents
Light-emitting module of optical mouse Download PDFInfo
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- CN100367168C CN100367168C CNB200410104905XA CN200410104905A CN100367168C CN 100367168 C CN100367168 C CN 100367168C CN B200410104905X A CNB200410104905X A CN B200410104905XA CN 200410104905 A CN200410104905 A CN 200410104905A CN 100367168 C CN100367168 C CN 100367168C
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Abstract
The present invention relates to a light emitting module for an optical mouse, which comprises a light-emitting device and an optical system, wherein the light-emitting device comprises a divergence expression light-emitting element positioned in the light-emitting device. The optical system is provided with a convex lens surface and a concave lens surface, wherein the convex lens surface is positioned between the light-emitting element and the concave lens surface, and the concave lens surface is positioned between focuses of the convex lens surface and the convex lens surface. The light rays of the light-emitting element is orderly refracted through the convex lens surface and the concave lens surface to form an axially even parallel light which is transferred to a table top. Thus, the interference phenomenon of light rays is reduced, and the illumination intensity is increased. Thus, the optics sensing effect of the optical mouse is raised, and the cost and the power consumption are reduced.
Description
Technical field
The present invention relates to a kind of light emitting module of optical mouse, refer to that especially a kind of light with its divergence expression light-emitting component compiles the light emitting module of the optical mouse that becomes a uniform directional light.
Background technology
Mouse can freely move a cursor on a display screen, is the indispensable interface equipment of computer equipment.The bobbin type mouse has that a spin is positioned at its bottom surface, a circuit unit and the number roller is positioned at it.When this bobbin type mouse was displaced on the desktop, this spin was rolled in this desktop and is driven these rollers, made this circuit unit calculate the sense of displacement and the displacement of this bobbin type mouse.But this spin influences its rolling because of the dirt of being infected with this desktop easily.Therefore, the non-contact optical mouse of applied optics sensing principle just in response to and give birth to.
See also shown in Figure 1ly, be the application examples of the light emitting module of known optical mouse.This optical mouse comprises that a light emitting module, a sensing element 42 and a circuit unit 43 are positioned at it.This light emitting module comprises a light-emitting device 90 and optical facilities 91.This light-emitting device 90 comprises that a divergence expression light-emitting component 901 is positioned at it, and these optical facilities 91 are the composition of convex lens 911,912.When this optical mouse is displaced on the desktop 5, the light of this light-emitting component 901 is passed to this desktop 5 via these convex lens 911, this light produces the diffusion phenomenon by this desktop 5 and is reflected onto this convex lens 912, so that this light is focused in this sensing element 42, thereby make this circuit unit 43 calculate the sense of displacement and the displacement of this optical mouse.
The light emitting module of above-mentioned known optical mouse, when this optical mouse was displaced on this desktop 5, the light of the light-emitting component 901 of this light-emitting device 90 can't form a uniform directional light after focusing on via these convex lens 911.When this light is passed to this desktop 5 via these convex lens 911, can produce the interference of light, form uneven illumination even and bright ring alternately and Crape ring, i.e. halation (airy disc).
See also shown in Figure 2ly, the P point is former in the scope of a bright ring B.When this optical mouse is moved, these bright rings B and these Crape rings D with move, make the P point become in the scope of a Crape ring D.As a result, this sensing element 42 receives the potential difference (PD) instability that is produced behind this light, causes its optics sensing poor effect, and the cursor of this optical mouse can't be displaced on the display screen smooth-goingly.In addition, the local light of this light-emitting component 901 scatters and disappears to these convex lens 911 scopes, can't be utilized, and therefore, its illumination is lower, causes the optics sensing poor effect of this optical mouse, and increases the power consumption of this optical mouse on foot.
The light emitting module of known another kind of optical mouse, its light-emitting device replaces above-mentioned divergence expression light-emitting component with a laser element.Though this laser element does not have the interference and the lost problem of light of the light of above-mentioned divergence expression light-emitting component, so its cost is too high, is difficult for being accepted by the consumer.
As from the foregoing, the light emitting module of above-mentioned known optical mouse on reality is used, obviously has inconvenience and exists with defective, and remain to be improved.
Improving of the above-mentioned defective of thoughts of the present invention is that the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the invention of above-mentioned defective finally.
Summary of the invention
Fundamental purpose of the present invention, be to provide a kind of light emitting module of optical mouse, the light of its divergence expression light-emitting component is compiled become a uniform directional light, with interference and the increase illumination that alleviates light, thereby promote the optics sensing effect of optical mouse, and can reduce its cost and reduce its power consumption.
In order to reach above-mentioned purpose, the present invention is mainly providing a kind of light emitting module of optical mouse, comprises a light-emitting device and an optical system; This light-emitting device comprises that a divergence expression light-emitting component is positioned at it; This optical system has a convex lens and a concavees lens face, and this convex lens is between this light-emitting device and this concavees lens face, and this concavees lens face is between the focus of this convex lens and this convex lens; Wherein the light of this light-emitting component forms an axial directional light via the refraction of this convex lens and the refraction of this concavees lens face in regular turn.
The light that reflects this light-emitting component by this convex lens and this concavees lens face in regular turn to be forming an axial uniform directional light and to be passed to a desktop, with the interference that alleviates light and increase illumination, thereby promotes the optics sensing effect of optical mouse.
In preferred embodiment, this light-emitting device comprises a light penetrating object and a dish-shaped reflection configuration, this light penetrating object has a front end face and a side ring surface, this light-emitting component is located in this light penetrating object, this dish reflection configuration is located at the side ring surface of this light penetrating object, this dish reflection configuration has an inside surface, this inside surface is towards this side ring surface and towards the front end of this light penetrating object, wherein this light-emitting component light of penetrating the front end face of this light penetrating object forms the convex lens of a light harvesting district corresponding to this optical system, and the light of the inside surface that this light-emitting component directive should the dish reflection configuration is reflected to form an axial directional light by this inside surface and compiles to this light harvesting district.
The light that inside surface by this dish reflection configuration reflects this light-emitting component is to form an axial uniform directional light and compile to this light harvesting district and to be passed to this convex lens, with interference and the increase illumination that further alleviates light, thereby promote the optics sensing effect of optical mouse, and can reduce its cost and reduce its power consumption.
In preferred embodiment, this light-emitting device comprises a light penetrating object and a bearing, this light-emitting component is located in this light penetrating object, this bearing is located in this light penetrating object, this bearing has a carrier and a dish-shaped reflecting part, this carrier is connected in the lower edge of this dish reflecting part and upper limb that should the dish reflecting part forms an opening, this light-emitting component is located on this carrier, this dish reflecting part has an inside surface, this inside surface is towards this light-emitting component and towards this opening, wherein the light of the opening of this this bearing of light-emitting component directive forms the convex lens of a light harvesting district corresponding to this optical system, and the light of the inside surface that this light-emitting component directive should the dish reflecting part is reflected to form an axial directional light by this inside surface and compiles to this light harvesting district.
The light that inside surface by this dish reflecting part reflects this light-emitting component is to form an axial uniform directional light and compile to this light harvesting district and to be passed to this convex lens, with interference and the increase illumination that further alleviates light, thereby promote the optics sensing effect of optical mouse, and can reduce its cost and reduce its power consumption.
Description of drawings
Fig. 1 is the synoptic diagram of the application examples of known optical mouse light emitting module.
Fig. 2 is transmitted to the synoptic diagram that a desktop forms bright ring and Crape ring for the light of the light-emitting device of known optical mouse light emitting module.
Fig. 3 is the synoptic diagram of light emitting module first embodiment of optical mouse of the present invention.
Fig. 4 is the synoptic diagram of light emitting module second embodiment of optical mouse of the present invention.
Fig. 5 is the synoptic diagram of light emitting module the 3rd embodiment of optical mouse of the present invention.
Fig. 6 is the synoptic diagram of light emitting module the 4th embodiment of optical mouse of the present invention.
Fig. 7 is the synoptic diagram of the application examples of light emitting module the 5th embodiment of optical mouse of the present invention.
Fig. 8 is the synoptic diagram of light emitting module the 6th embodiment of optical mouse of the present invention.
Fig. 9 is the synoptic diagram of light emitting module the 7th embodiment of optical mouse of the present invention.
Figure 10 is the synoptic diagram of light emitting module the 8th embodiment of optical mouse of the present invention.
Symbol description among the figure:
(known technology label)
Desktop 5 is luminous adorns 90
Light-emitting component 901 optical facilities 91
Convex lens 911,912
Bright ring B Crape ring D
(label of the present invention)
Light-emitting device 1
Light-emitting component 10
Biconvex lens 20 convex lens 201
Biconcave lens 21 concavees lens faces 211
Plano-convex lens 22 convex lens 221
Plano-concave lens 23 concavees lens faces 231
Focus f
Convex lens 301 concavees lens faces 311
The plane of reflection 321
Light-emitting device 6
Light penetrating object 60 front end faces 601
Dish reflection configuration 62 inside surfaces 621
Reflector layer 622 light harvesting district A
Light L1, L2
Light-emitting device 7
Light penetrating object 70 light-emitting components 71
Inside surface 721
Light-emitting device 8
Light penetrating object 80 side ring surfaces 802
Light-emitting component 81 dish-shaped reflection configurations 82
Inside surface 854 light harvesting district A1
Light L3, L4
Embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth 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, go deep into and concrete understanding when getting one thus, yet shown in accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
See also shown in Figure 3ly, be first embodiment of the invention.The light emitting module of a kind of optical mouse of the present invention comprises a light-emitting device 1 and an optical system 2, wherein:
Light-emitting device 1, it comprises that a divergence expression light-emitting component 10 (as a luminescence chip) is positioned at it.
This light emitting module is located in the optical mouse.This optical mouse has a focusing (as convex lens), a sensing element, a circuit unit and a power supply unit (as a battery or a power supply the end of a thread) etc. in addition and is positioned at it.When this optical mouse is displaced on the desktop, the light of this light-emitting component 10 forms an axial directional light and is passed to this desktop via the refraction of the refraction of this convex lens 201 and this concavees lens face 211 in regular turn, this light produces the diffusion phenomenon by this desktop and is reflected onto this focusing, so that this light is focused in this sensing element, thereby make this circuit unit calculate the sense of displacement and the displacement of this optical mouse.Light emitting module compared to known optical mouse with divergence expression light-emitting component, the light of the light-emitting component 10 of the light emitting module of optical mouse of the present invention passes through the refraction of this convex lens 201 earlier and compiles, form an axial uniform directional light through the refraction of this concavees lens face 211 again and be passed to this desktop, its illumination is even, therefore, the interference of light is slight.This sensing element receives the potential difference (PD) that is produced behind this light to be stablized, and therefore, its optics sensing effect is good, and the cursor of this optical mouse can be displaced on the display screen smooth-goingly.Compared to the light emitting module of the known optical mouse with laser element, the light emitting module of optical mouse of the present invention can reduce cost.
See also shown in Figure 4ly, be second embodiment of the invention.The difference of second embodiment and first embodiment is this optical system 2.In the present embodiment, this optical system 2 comprises a plano-convex lens 2
2 and one biconcave lens 21, this convex lens 221 is positioned on this plano-convex lens 22, and this concavees lens face 211 is positioned on this biconcave lens 21.
See also shown in Figure 5ly, be third embodiment of the invention.The difference of the 3rd embodiment and first embodiment is this optical system 2.In the present embodiment, this optical system 2 comprises a plano-convex lens 2
2 and one plano-concave lens 23, this convex lens 221 is positioned on this plano-convex lens 22, and this concavees lens face 231 is positioned on this plano-concave lens 23.
See also shown in Figure 6ly, be fourth embodiment of the invention.The difference of the 4th embodiment and first embodiment is this optical system 2.In the present embodiment, this optical system 2 comprises a biconvex lens 2
0 and one plano-concave lens 23, this convex lens 201 is positioned on this biconvex lens 20, and this concavees lens face 231 is positioned on this plano-concave lens 23.
By Fig. 3 to Fig. 6 as can be known, this optical system 2 can be different convex lens and formation that concavees lens cooperate.The light of this light-emitting component 10 is earlier through this biconvex lens 20 or plano-convex lens 2
The refraction of 2 convex lens 201,221 and compiling forms an axial uniform directional light through the refraction of the concavees lens face 211,231 of this biconcave lens 21 or plano-concave lens 23 again and is passed to this desktop.Therefore, this optical system 2 can be designed to different combination of lensess.
See also shown in Figure 7ly, be the application examples of fifth embodiment of the invention.The difference of the 5th embodiment and first embodiment is this optical system 3.This light emitting module is located in the optical mouse.This optical mouse has a spectroscope 40, a focusing 41 (as convex lens), a sensing element 42, a circuit unit 43 and a power supply unit (as a battery or a power supply the end of a thread) etc. in addition and is positioned at it.This optical system 3 is the element of one.This optical system 3 comprises a convex lens 301, a concavees lens face 311 and a plane of reflection 321.This light-emitting device 1 is disposed at this convex lens 301 tops.This plane of reflection 321 is between the focus f of this convex lens 301 and this convex lens 301 and between this convex lens 301 and this concavees lens face 311.As shown in Figure 7, this plane of reflection 321 is one skewed with respect to this convex lens 301 and this concavees lens face 311, with the direction of the light that changes this light-emitting component 10.The light of this light-emitting component 10 forms an axial uniform directional light and is passed to this spectroscope 40 via the refraction of the reflection of the refraction of this convex lens 301, this plane of reflection 321 and this concavees lens face 311 in regular turn.These spectroscope 40 these light to one desktops 5 of reflection, this light produces the diffusion phenomenon by this desktop 5 and is reflected onto this focusing 41, so that this light is focused in this sensing element 42, thereby make this circuit unit 43 calculate the sense of displacement and the displacement of this optical mouse.So, also can reduce the interference of light.
See also shown in Figure 8ly, be sixth embodiment of the invention.The difference of the 6th embodiment and first embodiment is this light-emitting device 6.In the present embodiment, this light-emitting device 6 comprises a light penetrating object 60, a divergence expression light-emitting component 61 and a dish-shaped reflection configuration 62.
This light penetrating object 60 has the front end face 601 of an arc and the side ring surface 60 of a cylindricality
2。This light-emitting component 61 (as a luminescence chip) is located in this light penetrating object 60.This dish reflection configuration 62 is located at the side ring surface 602 of this light penetrating object 60 and is shaped in this light penetrating object 60.This dish reflection configuration 62 has an inside surface 621, and this inside surface 621 is towards this side ring surface 602 and towards the front end of this light penetrating object 60.The inside surface 621 of this dish reflection configuration 62 is a parabola, an elliptical area or a hyperboloid.
This light-emitting device 6 is located in the optical mouse.This optical mouse has a focusing (as convex lens), a sensing element, a circuit unit and a power supply unit (as a battery or a power supply the end of a thread) etc. in addition and is positioned at it.When this optical mouse is displaced on the desktop, the light L 1 that this light-emitting component 61 penetrates the front end face 601 of this light penetrating object 60 forms the convex lens 201 of a light harvesting district A corresponding to this optical system 2, and these light-emitting component 61 directives should dish reflection configuration 62 the light L2 of inside surface 621 reflected to form an axial directional light by this inside surface 621 and compile A to this light harvesting district, make the light L1, the L2 that pass through this light harvesting district A increase, to avoid scattering and disappearing of light L2.Light L1, L2 by this light harvesting district A are passed to this desktop via this optical system 2, this light L1, L2 produce the diffusion phenomenon by this desktop and are reflected onto this focusing, so that this light L1, L2 be focused in this sensing element, thereby make the circuit unit of this optical mouse calculate the sense of displacement and the displacement of this optical mouse.The formed bright ring of interference that this dish reflection configuration 62 makes light and the density of Crape ring lower, and further cooperate this optical system 2, make light L1, the L2 of this light-emitting component 61 form more uniform directional light.This sensing element receives the potential difference (PD) that is produced behind this uniform directional light to be stablized, and therefore, its optics sensing effect is good, and the cursor of this optical mouse can be displaced on the display screen smooth-goingly.Compared to the light emitting module of the known optical mouse with laser element, the light emitting module of optical mouse of the present invention can reduce cost.In addition, the light emitting module of optical mouse of the present invention can compile light, avoids scattering and disappearing of light, therefore, and the serviceable life of amount capable of reducing power consumption and prolongation battery.
As shown in Figure 8, the inside surface of this dish reflection configuration 62 can further extend the leading edge of the front end face 601 of this light penetrating object 60, to promote its reflecting effect.Again should dish reflection configuration 62 can further have a reflector layer 622 and be positioned at its inside surface 621, to promote its reflecting effect.
See also shown in Figure 9ly, be seventh embodiment of the invention.The difference of the 7th embodiment and the 6th embodiment is this light-emitting device 7.In the present embodiment, this light-emitting device 7 comprises a light penetrating object 70, a divergence expression light-emitting component 71, one dish-shaped reflection configuration 72 and two metal pins 73,74.This dish reflection configuration 72 is assembled in this two metals pin 73,74, and inside surface 721 that should dish reflection configuration 72 is one complete parabolic, to promote its reflecting effect.This dish reflection configuration can be printing opacity or lighttight reflectorized material is made.
See also shown in Figure 10ly, be eighth embodiment of the invention.The difference of the 8th embodiment and the 6th embodiment and the 7th embodiment is this light-emitting device.In the present embodiment, this light-emitting device 8 comprises a light penetrating object 80, a divergence expression light-emitting component 81, one dish-shaped reflection configuration 82, two metal pins 83,84 and a bearing 85.
This dish reflection configuration 82 is assembled in the side ring surface 802 of this light penetrating object 80.This dish reflection configuration 82 also can be printing opacity or lighttight reflectorized material is made.This bearing 85 is located in this light penetrating object 80 and is connected in wherein on the metal pin 83.This bearing 85 has a carrier 851 and a dish-shaped reflecting part 852, and this carrier 851 is connected in the lower edge of this dish reflecting part 852 and upper limb that should dish reflecting part 852 forms an opening 853.This light-emitting component 81 is located on this carrier 851, and this dish reflecting part 852 has an inside surface 854, and this inside surface 854 is towards this light-emitting component 81 and towards this opening 853.The inside surface 854 of this dish reflecting part 852 is a parabola, an elliptical area or a hyperboloid.
The light L3 of the opening 853 of this this bearing 85 of light-emitting component 81 directives forms the convex lens 201 of a light harvesting district A1 corresponding to this optical system 2, and the light L4 of the inside surface 854 that these light-emitting component 81 directives should dish reflecting part 852 is reflected to form an axial directional light by this inside surface 854 and compiles the A1 to this light harvesting district.So, also can make light L3, the L4 of this light-emitting component 81 form an axial uniform directional light, and cooperate this optical system 2, the interference of light is greatly lowered, thereby make the light of this light-emitting component 81 form more uniform directional light.
(invention characteristics and advantage)
See through the light emitting module of optical mouse of the present invention, have characteristics described as follows:
1, this convex lens and this concavees lens face light that reflects this light-emitting component in regular turn to be forming an axial uniform directional light and to be passed to a desktop, with the interference that alleviates light and increase illumination, thereby promotes the optics sensing effect of optical mouse.
2, the inside surface of this dish reflection configuration light that reflects this light-emitting component is to form an axial uniform directional light and compile to this light harvesting district and to be passed to this convex lens, with interference and the increase illumination that further alleviates light, thereby promote the optics sensing effect of optical mouse, and can reduce its cost and reduce its power consumption.
3, the inside surface of this dish reflecting part light that reflects this light-emitting component is to form an axial uniform directional light and compile to this light harvesting district and to be passed to this convex lens, with interference and the increase illumination that further alleviates light, thereby promote the optics sensing effect of optical mouse, and can reduce its cost and reduce its power consumption.
In sum, the present invention meets the important document of application for a patent for invention fully, so file an application according to Patent Law.
The above, it only is the detailed description of specific embodiments of the invention and graphic, be not in order to restriction the present invention and feature of the present invention, such as have in the affiliated technical field and know the knowledgeable usually, modify or variation along the equivalence of doing according to spirit of the present invention, all should be contained in the claim of the present invention.
Claims (16)
1. the light emitting module of an optical mouse is characterized in that, comprising:
One light-emitting device, it comprises that a divergence expression light-emitting component is positioned at it; And
One optical system has a convex lens and a concavees lens face, and this convex lens is between this light-emitting device and this concavees lens face, and this concavees lens face is between the focus of this convex lens and this convex lens; Wherein
The light of this light-emitting component forms an axial directional light via the refraction of this convex lens and the refraction of this concavees lens face in regular turn.
2. the light emitting module of optical mouse as claimed in claim 1 is characterized in that, this optical system comprises a biconvex lens and a biconcave lens, and this convex lens is positioned on this biconvex lens, and this concavees lens face is positioned on this biconcave lens.
3. the light emitting module of optical mouse as claimed in claim 1 is characterized in that, this optical system comprises a plano-convex lens and a biconcave lens, and this convex lens is positioned on this plano-convex lens, and this concavees lens face is positioned on this biconcave lens.
4. the light emitting module of optical mouse as claimed in claim 1 is characterized in that, this optical system comprises a plano-convex lens and a plano-concave lens, and this convex lens is positioned on this plano-convex lens, and this concavees lens face is positioned on this plano-concave lens.
5. the light emitting module of optical mouse as claimed in claim 1 is characterized in that, this optical system comprises a biconvex lens and a plano-concave lens, and this convex lens is positioned on this biconvex lens, and this concavees lens face is positioned on this plano-concave lens.
6. the light emitting module of optical mouse as claimed in claim 1, it is characterized in that, this optical system comprises a plane of reflection, this plane of reflection is between the focus of this convex lens and this convex lens and between this convex lens and this concavees lens face, and the light of this light-emitting component forms an axial directional light via the refraction of this convex lens, the reflection of this plane of reflection and the refraction of this concavees lens face in regular turn.
7. the light emitting module of optical mouse as claimed in claim 1, it is characterized in that, this light-emitting device comprises a light penetrating object and a dish-shaped reflection configuration, this light penetrating object has a front end face and a side ring surface, this light-emitting component is located in this light penetrating object, this dish reflection configuration is located at the side ring surface of this light penetrating object, this dish reflection configuration has an inside surface, this inside surface is towards this side ring surface and towards the front end of this light penetrating object, wherein this light-emitting component light of penetrating the front end face of this light penetrating object forms the convex lens of a light harvesting district corresponding to this optical system, and the light of the inside surface that this light-emitting component directive should the dish reflection configuration is reflected to form an axial directional light by this inside surface and compiles to this light harvesting district.
8. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, the inside surface of this dish reflection configuration is a parabola, an elliptical area or a hyperboloid.
9. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, the inside surface of this dish reflection configuration extends the leading edge of the front end face of this light penetrating object.
10. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, this dish reflection configuration has a reflector layer and is positioned at its inside surface.
11. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, this dish reflection configuration is shaped in this light penetrating object.
12. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, this dish reflection configuration is assembled in this light penetrating object.
13. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, this light-emitting device comprises two metal pins, and this dish reflection configuration is assembled in this two metals pin.
14. the light emitting module of optical mouse as claimed in claim 7 is characterized in that, this dish reflection configuration is that printing opacity or lighttight reflectorized material are made.
15. the light emitting module of optical mouse as claimed in claim 1, it is characterized in that, this light-emitting device comprises a light penetrating object and a bearing, this light-emitting component is located in this light penetrating object, this bearing is located in this light penetrating object, this bearing has a carrier and a dish-shaped reflecting part, this carrier is connected in the lower edge of this dish reflecting part and upper limb that should the dish reflecting part forms an opening, this light-emitting component is located on this carrier, this dish reflecting part has an inside surface, this inside surface is towards this light-emitting component and towards this opening, wherein the light of the opening of this this bearing of light-emitting component directive forms the convex lens of a light harvesting district corresponding to this optical system, and the light of the inside surface that this light-emitting component directive should the dish reflecting part is reflected to form an axial directional light by this inside surface and compiles to this light harvesting district.
16. the light emitting module of optical mouse as claimed in claim 15 is characterized in that, the inside surface of this dish reflecting part is a parabola, an elliptical area or a hyperboloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410104905XA CN100367168C (en) | 2004-12-30 | 2004-12-30 | Light-emitting module of optical mouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410104905XA CN100367168C (en) | 2004-12-30 | 2004-12-30 | Light-emitting module of optical mouse |
Publications (2)
| Publication Number | Publication Date |
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| CN1801062A CN1801062A (en) | 2006-07-12 |
| CN100367168C true CN100367168C (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410104905XA Expired - Fee Related CN100367168C (en) | 2004-12-30 | 2004-12-30 | Light-emitting module of optical mouse |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0916325A (en) * | 1995-06-27 | 1997-01-17 | Sharp Corp | Input device and input processing method for computer or the like |
| US6256016B1 (en) * | 1997-06-05 | 2001-07-03 | Logitech, Inc. | Optical detection system, device, and method utilizing optical matching |
| CN2613815Y (en) * | 2003-04-04 | 2004-04-28 | 林树海 | Photoelectric mouse |
| CN2775703Y (en) * | 2004-12-31 | 2006-04-26 | 培新科技股份有限公司 | Light emitting module for optical mouse |
-
2004
- 2004-12-30 CN CNB200410104905XA patent/CN100367168C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0916325A (en) * | 1995-06-27 | 1997-01-17 | Sharp Corp | Input device and input processing method for computer or the like |
| US6256016B1 (en) * | 1997-06-05 | 2001-07-03 | Logitech, Inc. | Optical detection system, device, and method utilizing optical matching |
| CN2613815Y (en) * | 2003-04-04 | 2004-04-28 | 林树海 | Photoelectric mouse |
| CN2775703Y (en) * | 2004-12-31 | 2006-04-26 | 培新科技股份有限公司 | Light emitting module for optical mouse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1801062A (en) | 2006-07-12 |
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