CN100478859C - Optical navigation device - Google Patents
Optical navigation device Download PDFInfo
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- CN100478859C CN100478859C CNB2006100588837A CN200610058883A CN100478859C CN 100478859 C CN100478859 C CN 100478859C CN B2006100588837 A CNB2006100588837 A CN B2006100588837A CN 200610058883 A CN200610058883 A CN 200610058883A CN 100478859 C CN100478859 C CN 100478859C
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- 239000000758 substrate Substances 0.000 claims abstract description 104
- 238000005286 illumination Methods 0.000 claims abstract description 54
- 238000005516 engineering process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The invention relates to an optical navigating device, integrating illumination channel and video channel into a whole. And it is a small-sized device integrating optical system, mechanism system and circuit system into a whole. And it comprises a light path and video component, a case and a first substrate, where the light path and video component is integrated of video channel and illumination channel, the case comprises a light diaphragm and an alignment component, where the light diaphragm is integrated with the case, and the alignment component is a part of the case to coat and locate the light path and video component, and the first substrate comprises light source and sensor, where the light source and the sensor are located on the same surface of the first substrate, and the light emitted from the light source passes through the light path and video component and then is received by the sensor.
Description
Technical field
The present invention relates to a kind of optical navigator, particularly a kind of optical navigator that constitutes by light source (light source) and sensor (sensor).
Background technology
Optical navigator (optical navigation device) generally includes the electronic chip that an optical guidance sensor device (optical navigation sensor apparatus), can write down this optical navigator surface location of living in.This sensor extracts the image of this optical navigator surface location of living in, the image of the surface location that when this optical navigator moves, is produced relatively, and writing down this image with a very high speed, this sensor and an electronic circuit cooperate and calculate and determine this optical navigator shift position in the horizontal and vertical directions.
As shown in Figure 1, it is the synoptic diagram of known optical navigator, this optical navigator has generally included a light source (not shown), a light emitting diode for example, regional in order to a definition of shining this optical navigator surface of living in, and produce the reflected image (reflected image) on this illuminated surface.In addition, this optical navigator also has two passages, described passage is formed on this sensor 10 in order to the image with this irradiated area, traditionally, these two passages is defined as illumination channel (illumination channel) and image passage (imaging channel) respectively.
When assembling, this sensor 10 is fixed on one first printed circuit board (PCB) 12, use a reference plane contraposition post (base plate alignment post) 16 that first printed circuit board (PCB) 12 is fixed on one second printed circuit board (PCB) 14 again, use a cartridge clip (clip) 19 and a plastics shell fragment (plastic spring) 18 this sensor 10 to be pushed down and fixing at last again.
Yet the light source of known optical navigator and sensor are separately independently, and when mounted, light source and sensor are not positioned at identical platform, therefore can increase the difficulty of assembling, and cost are higher.In addition, this Design of device mode makes that the height of known optical navigator is higher, can't be applicable to the product that requires miniaturization, simultaneously, also can't be used for the device of multicore sheet.And, the illumination channel of known optical navigator and image passage be system modular not, its functional test needs to carry out respectively separately, and in the production and assembly process, mechanism's contraposition of this product (mechanical alignment) has higher complexity and difficulty.
Summary of the invention
Fundamental purpose of the present invention provides a kind of optical navigator, but its system combination multicore sheet comprises source (a for example light source) and detecting device (detector) etc., in order to required illumination optical passage of this optical navigator and image passage to be provided.And the size Miniaturizable of this optical navigator, and can use various miniaturization devices to assemble with surface mount ability (surface mounting capabilities).
The purpose of this invention is to provide a kind of optical navigator, it can be applicable to various occasions, comprises handheld navigation instrument (hand held navigation tool), and it can be used for the operation of mobile phone, and the guider of personal computer and notebook computer.When being applied to mobile phone, optical navigator of the present invention can be provided on the display with the 360 degree of freedom moving cursors of spending.
The purpose of this invention is to provide a kind of optical navigator, its integrating illumination channel and image passage be in one, thereby can reach miniaturization and simplify the effect of technology.Optical navigator of the present invention is to integrate optical system, train of mechanism and Circuits System in the miniaturization device of one.
The purpose of this invention is to provide a kind of optical navigator, its integrating illumination channel and image passage are in one, and on substrate, form a hole, make integrated illumination channel and image passage can pass this hole, to dwindle the size of optical navigator of the present invention.
In order to achieve the above object, optical navigator of the present invention includes a light path and image element, a housing and one first substrate.Wherein light path and image element are by the image passage with illumination channel is one-body molded constitutes, and this light path and image element also include a groove or a hole, and wherein this groove or this hole are between this image passage and this illumination channel; This housing comprises a diaphragm and a pair of bit unit, wherein this diaphragm and this housing are one-body molded, to bit unit then is the part of housing, in order to coat and to locate this light path and image element, first substrate then includes a light source and a sensor, this light source and sensor are positioned on the same surface of this first substrate, from the light of this light emitted via this light path and image element after, received by this sensor.
Optical navigator of the present invention includes a light path and image element, a housing and one first substrate.The image passage that light path and image element are made of a collimation plane, a total internal reflection surface and a wedge and constitute by the one-body molded institute of the illumination channel with non-spherical image minute surface, housing is in order to carrying and locate this light path and image element, and first substrate comprises a light source and a sensor, wherein, this light source and this sensor are positioned on the same surface of this first substrate, from the light of this light emitted via this light path and image element after, received by this sensor.
In sum, the invention provides a kind of optical navigator, this optical navigator comprises: a light path and image element, and it is integrated by image passage and illumination channel and constitutes; One housing, it comprises a diaphragm and a pair of bit unit, and wherein this diaphragm and this housing are one-body molded, and this housing is in order to carrying and locate this light path and image element; And one first substrate, it comprises a light source and a sensor, wherein, this light source and this sensor are positioned on the same surface of this first substrate, from the light of this light emitted via this light path and image element after, by this sensor reception.
According to optical navigator of the present invention, wherein this image passage and this illumination channel are one-body molded.
According to optical navigator of the present invention, wherein this light path and image element also include a groove, wherein this groove directly enters this image passage in order to avoid light from this illumination channel of this light path and image element between this image passage and this illumination channel.
According to optical navigator of the present invention, wherein this light path and image element also include a hole, wherein this hole directly enters this image passage in order to avoid light from this illumination channel of this light path and image element between this image passage and this illumination channel.
According to optical navigator of the present invention, wherein this illumination channel comprises a collimation plane, a total internal reflection surface and a wedge.
According to optical navigator of the present invention, wherein this image passage comprises an image minute surface and a diaphragm.
According to optical navigator of the present invention, this first substrate substrate that is a printed circuit board (PCB) or tool lead frame wherein.
According to optical navigator of the present invention, wherein this first substrate is an organic substrate or an inorganic substrate.
According to optical navigator of the present invention, wherein this light path and image element also comprise a stanchion, and this housing is a hole to bit unit, and wherein this stanchion is installed in this hole of this housing, so that this light path and image element and relatively rotating of this housing are controlled.
According to optical navigator of the present invention, wherein this optical navigator also includes one second substrate, and wherein this second substrate has a hole, so that the combination of this light path and image element and this housing can be passed the hole of this second substrate.
According to optical navigator of the present invention, wherein a surface of this first substrate has a plurality of weld pads, so that this first substrate is electrically connected by surface mount technology with this second substrate.
According to optical navigator of the present invention, wherein this light path and image element are made of the high temperature thermosetting material.
According to optical navigator of the present invention, wherein this light source is a light emitting diode, a laser diode or vertical cavity surface lase.
The present invention also provides a kind of optical navigator, this optical navigator comprises: a light path and image element, it is integrated by image passage and illumination channel and constitutes, this light path and image element also include a groove or a hole, wherein this groove or this hole are between this image passage and this illumination channel, and wherein this image passage and this illumination channel are one-body molded; One housing, it comprises a diaphragm and a pair of bit unit, and wherein this diaphragm and this housing are one-body molded, and this housing is in order to carrying and locate this light path and image element; One first substrate, it comprises a sensor; And a light source, it is in order to produce a light; Wherein, from the light of this light emitted via this light path and image element after, received by this sensor.
According to optical navigator of the present invention, wherein this light source and this sensor are positioned on the same surface of this first substrate.
According to optical navigator of the present invention, wherein this light path and image element also include a groove, wherein this groove directly enters this image passage in order to avoid light from this illumination channel of this light path and image element between this image passage and this illumination channel.
According to optical navigator of the present invention, wherein this light path and image element also include a hole, wherein this hole directly enters this image passage in order to avoid light from this illumination channel of this light path and image element between this image passage and this illumination channel.
According to optical navigator of the present invention, wherein this illumination channel comprises a collimation plane, a total internal reflection surface and a wedge.
According to optical navigator of the present invention, wherein this image passage comprises an image minute surface and a diaphragm.
According to optical navigator of the present invention, this first substrate substrate that is a printed circuit board (PCB) or tool lead frame wherein.
According to optical navigator of the present invention, wherein this first substrate is an organic substrate or an inorganic substrate.
According to optical navigator of the present invention, wherein this light path and image element also comprise a stanchion, and this housing is a hole to bit unit, and wherein this stanchion is installed in this hole of this housing, so that this light path and image element and relatively rotating of this housing are controlled.
According to optical navigator of the present invention, wherein this optical navigator also includes one second substrate, and wherein this second substrate has a hole, so that the combination of this light path and image element and this housing can be passed the hole of this second substrate.
According to optical navigator of the present invention, wherein a surface of this first substrate has a plurality of weld pads, so that this first substrate is electrically connected by surface mount technology with this second substrate.
According to optical navigator of the present invention, wherein this light path and image element are made of the high temperature thermosetting material.
According to optical navigator of the present invention, wherein this light source is a light emitting diode, a laser diode, vertical cavity surface lase or an Organic Light Emitting Diode.
The present invention also provides a kind of optical navigator, this optical navigator comprises: a light path and image element, the illumination channel that it is made of a collimation plane, a total internal reflection surface and a wedge and the image passage that is made of an image minute surface and a diaphragm is one-body molded constitutes, this light path and image element also include a groove or a hole, and wherein this groove or this hole are between this image passage and this illumination channel; One housing, it is in order to carrying and locate this light path and image element; And one first substrate, it comprises a light source and a sensor, wherein this light source and this sensor are positioned on the same surface of this first substrate, from the light of this light emitted via this light path and image element after, received by this sensor.
According to optical navigator of the present invention, wherein this light path and image element also include a groove, wherein this groove directly enters this image passage in order to avoid light from this illumination channel of this light path and image element between this image passage and this illumination channel.
According to optical navigator of the present invention, wherein this light path and image element also include a hole, wherein this hole directly enters this image passage in order to avoid light from this illumination channel of this light path and image element between this image passage and this illumination channel.
According to optical navigator of the present invention, this first substrate substrate that is a printed circuit board (PCB) or tool lead frame wherein.
According to optical navigator of the present invention, wherein this first substrate is an organic substrate or an inorganic substrate.
According to optical navigator of the present invention, wherein this light path and image element also comprise a stanchion, and this housing has a hole, and wherein this stanchion is installed in this hole of this housing, so that this light path and image element and relatively rotating of this housing are controlled.
According to optical navigator of the present invention, wherein this optical navigator also includes one second substrate, and wherein this second substrate has a hole, so that the combination of this light path and image element and this housing can be passed the hole of this second substrate.
According to optical navigator of the present invention, wherein a surface of this first substrate has a plurality of weld pads, so that this first substrate is electrically connected by surface mount technology with this second substrate.
According to optical navigator of the present invention, wherein this light path and image element are made of the high temperature thermosetting material.
According to optical navigator of the present invention, wherein this light source is a light emitting diode, a laser diode or vertical cavity surface lase.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended accompanying drawing only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
Description of drawings
Relevant accompanying drawing of the present invention is simply described as follows:
Fig. 1 is the synoptic diagram of known optical navigator;
Fig. 2 is the synoptic diagram of first embodiment of optical navigator of the present invention;
Fig. 3 is the synoptic diagram of first embodiment of the light path of optical navigator of the present invention and image element;
Fig. 4 is the synoptic diagram of second embodiment of the light path of optical navigator of the present invention and image element; And
Fig. 5 is the synoptic diagram of second embodiment of optical navigator of the present invention.
Wherein, description of reference numerals is as follows:
10 sensors, 12 first printed circuit board (PCB)s
14 second printed circuit board (PCB)s, 16 reference plane contraposition posts
18 plastics shell fragments, 19 cartridge clips
20 light paths and image element 201 illumination channel
202 image passages, 203 grooves
204 holes, 205 stanchions
22 light sources, 24 sensors
26 first substrates, 28 housings
281 holes, 30 cam walls
32 second substrates, 34 weld pads
Embodiment
Please refer to shown in Figure 2, it is the synoptic diagram of optical navigator of the present invention, optical navigator of the present invention is to integrate optical system, train of mechanism and Circuits System in the miniaturization optical navigator of one, compared to prior art, it can effectively dwindle the size of this optical navigator.The present invention can adopt various known molding techniques illumination channel 201 and image passage 202 that optical navigator is required one-body molded, light path and image element 20 as Fig. 2, thereby reach the effect of simplifying technology, when light during from light source 22 emission, this light can be earlier through this illumination channel 201, arrive the surface at this optical navigator place afterwards, then through this surface reflection, pass through this image passage 202 again, receive the position of hence one can see that optical navigator at last by a sensor 24.
This light source 22 can be by a light emitting diode, a laser diode or vertical cavity surface lase formations such as (VCSEL).In a preferred embodiment, this light source 22 and this sensor 24 are positioned on the same surface of one first substrate 26.Wherein this first substrate can be a printed circuit board (PCB), and this first substrate can be the substrate of one organic (organic) substrate, inorganic (non organic) substrate or tool lead frame (lead frame).
Wherein, this illumination channel 201 comprises a collimation plane, a total internal reflection surface and a wedge, these three elements are also one-body molded, collimation plane makes the light-ray condensing of launching from light source 22 with parallel, the wavelength coverage of the light that this light source 22 is launched can be from the visible light to the infrared ray, and this is by sensor 24 decisions.The light of launching from light source 22 at first arrives this collimation plane, light is through parallelization behind this collimation plane, the light beam of this parallelization is reflected by total internal reflection surface, this total internal reflection surface is a smooth smooth surface, and angle that should the surface is greater than the critical angle (critical angle) of incident beam (incident light beam).The light of this reflection makes this light be bent to a special angle through wedge then, this wedge makes light be bent to a special angle so that the incident angle of this light can arrive the target surface of this optical navigator with an acceptable scope, thereby should produce good contrast in the surface.
Then, can and assemble through image passage 202 from the light of the target surface of optical navigator reflection, this image passage 202 is made of an image eyeglass.In a preferred embodiment, this image eyeglass includes two non-spherical, and this can improve the parsing energy of eyeglass, thereby produces an image with fine resolution on sensor 24.In addition, this image eyeglass also can be made of spherical (spherical surface), or is combined by non-spherical and spherical face.In addition, also one-body molded on housing 28 have a diaphragm, and this diaphragm can stop discrete light to form interference images on sensor 24.In another embodiment, this image channel 202 is made up of this image minute surface and this diaphragm.
Because this illumination channel 201 and image passage 202 are integrated, therefore because the effect of total internal reflection, have part light and in light path and image element 20, enter into image passage 202 from illumination channel 201, in order to address this problem, a groove 203 can be added, as shown in Figure 3 between illumination channel 201 and image passage 202.In addition, also can between illumination channel 201 and image passage 202, add a hole 204, as shown in Figure 4, directly enter this image passage 202 from this illumination channel 201 of this light path and image element 20 in order to avoid light.
In another embodiment, when light source 22 is a laser diode or vertical cavity surface lase, the light meeting auto-paralleling that light source 22 is launched, at this moment, 201 of illumination channel need a total internal reflection surface and a wedge, and do not need collimation plane just can produce identical effect.
In order to make optical system and train of mechanism produce good contraposition (alignment), just allow light path and image element 20 and housing 28 good appositions, do not produce the problem of displacement or rotation, on the crater structure of light path and image element 20 and housing 28, form a pair of bit unit respectively, the structure of a concavo-convex cooperation for example, see also Fig. 5, for example, on light path and image element 20, form a stanchion (post) 205, and on the structure of the crater of this housing 28, form a hole 281, stanchion 205 is installed in this hole 281 of this housing 28, so light path and image element 20 are controlled with relatively rotating of this housing 28.In another embodiment, can around light path and image element 20, set up a cam wall 30, to avoid the relative motion of light path and image element 20 and housing 28.
With reference to figure 2, after the assembling of finishing light path and image element 20, housing 28 and first substrate 26, the usable surface mount technology by a plurality of weld pads 34 that are positioned on first substrate 26, makes first substrate 26 be electrically connected with second substrate 32 again.Wherein this second substrate 32 has a hole, make this light path and image element 20 and the combination of this housing 28 can pass the hole of this second substrate 32, thereby effectively reduce the height of whole optical navigator, the design fits optical navigator of second substrate 32, be the printed circuit board (PCB) of visitor's system, and the hole of second substrate 32 is made by boring or punching press.
In order to make optical navigator of the present invention be applied to the occasion of high temperature, light path and image element 20 can be made by high temperature thermosetting material (high temp thermo set material).
Optical navigator of the present invention has following characteristics:
1. optical navigator integrating illumination channel of the present invention and image passage be in one, thereby reach miniaturization and simplify the effect of technology.
2. optical navigator of the present invention is to integrate optical system, train of mechanism and Circuits System in the miniaturization device of one.
3. optical navigator of the present invention can be applicable to various occasions, comprises the handheld navigation instrument, for example can be used for the operation of mobile phone, and the guider of personal computer and notebook computer.
4. the printed circuit board (PCB) of visitor's system has a hole, makes this light path and image element 20 and the combination of this housing 28 can pass the hole of this printed circuit board (PCB), thereby effectively reduces the height of whole optical navigator.
But the above only is a preferable possible embodiments of the present invention; be not to limit the scope of the invention with this; therefore variation or the modification implemented in the field of the invention of those of ordinary skill in the art all should belong to the claimed scope of claims of the present invention.
Claims (30)
1. an optical navigator is characterized in that, this optical navigator comprises:
One light path and image element, it is integrated by image passage and illumination channel and constitutes, and this light path and image element also include a groove or a hole, and wherein this groove or this hole are between this image passage and this illumination channel;
One housing, it comprises a diaphragm and a pair of bit unit, and wherein this diaphragm and this housing are one-body molded, and this housing is in order to carrying and locate this light path and image element; And
One first substrate, it comprises a light source and a sensor, wherein, this light source and this sensor are positioned on the same surface of this first substrate, from the light of this light emitted via this light path and image element after, by this sensor reception.
2. optical navigator as claimed in claim 1 is characterized in that: this image passage and this illumination channel are one-body molded.
3. optical navigator as claimed in claim 1 is characterized in that: this illumination channel comprises a collimation plane, a total internal reflection surface and a wedge.
4. optical navigator as claimed in claim 1 is characterized in that: this image passage comprises an image minute surface and a diaphragm.
5. optical navigator as claimed in claim 1 is characterized in that: this first substrate is a printed circuit board (PCB) or the substrate with lead frame.
6. optical navigator as claimed in claim 1 is characterized in that: this first substrate is an organic substrate or an inorganic substrate.
7. optical navigator as claimed in claim 1, it is characterized in that: this light path and image element also comprise a stanchion, and this housing has a hole, and wherein this stanchion is installed in this hole of this housing, so that this light path and image element and relatively rotating of this housing are controlled.
8. optical navigator as claimed in claim 1, it is characterized in that: this optical navigator also includes one second substrate, wherein this second substrate has a hole, so that the combination of this light path and image element and this housing can be passed the hole of this second substrate.
9. optical navigator as claimed in claim 8 is characterized in that: a surface of this first substrate has a plurality of weld pads, so that this first substrate is electrically connected by surface mount technology with this second substrate.
10. optical navigator as claimed in claim 1 is characterized in that: this light path and image element are made of the high temperature thermosetting material.
11. optical navigator as claimed in claim 1 is characterized in that: this light source is a light emitting diode, a laser diode or vertical cavity surface lase.
12. an optical navigator is characterized in that, this optical navigator comprises:
One light path and image element, it is integrated by image passage and illumination channel and constitutes, this image passage and this illumination channel are one-body molded, and wherein this light path and image element also include a groove or a hole, and this groove or this hole are between this image passage and this illumination channel;
One housing, it comprises a diaphragm and a pair of bit unit, and wherein this diaphragm and this housing are one-body molded, and this housing is in order to carrying and locate this light path and image element;
One first substrate, it comprises a sensor; And
One light source, it is in order to produce a light;
Wherein, from the light of this light emitted via this light path and image element after, received by this sensor.
13. optical navigator as claimed in claim 12 is characterized in that: this light source and this sensor are positioned on the same surface of this first substrate.
14. optical navigator as claimed in claim 12 is characterized in that: this illumination channel comprises a collimation plane, a total internal reflection surface and a wedge.
15. optical navigator as claimed in claim 12 is characterized in that: this image passage comprises an image minute surface and a diaphragm.
16. optical navigator as claimed in claim 12 is characterized in that: this first substrate is a printed circuit board (PCB) or the substrate with lead frame.
17. optical navigator as claimed in claim 12 is characterized in that: this first substrate is an organic substrate or an inorganic substrate.
18. optical navigator as claimed in claim 12, it is characterized in that: this light path and image element also comprise a stanchion, and this housing has a hole, and wherein this stanchion is installed in this hole of this housing, so that this light path and image element and relatively rotating of this housing are controlled.
19. optical navigator as claimed in claim 12, it is characterized in that: this optical navigator also includes one second substrate, wherein this second substrate has a hole, so that the combination of this light path and image element and this housing can be passed the hole of this second substrate.
20. optical navigator as claimed in claim 19 is characterized in that: a surface of this first substrate has a plurality of weld pads, so that this first substrate is electrically connected by surface mount technology with this second substrate.
21. optical navigator as claimed in claim 12 is characterized in that: this light path and image element are made of the high temperature thermosetting material.
22. optical navigator as claimed in claim 12 is characterized in that: this light source is a light emitting diode, a laser diode, vertical cavity surface lase or an Organic Light Emitting Diode.
23. an optical navigator is characterized in that, this optical navigator comprises:
One light path and image element, the illumination channel that it is made of a collimation plane, a total internal reflection surface and a wedge and the image passage that is made of an image minute surface and a diaphragm is one-body molded constitutes, wherein this light path and image element also include a groove or a hole, and this groove or this hole are between this image passage and this illumination channel;
One housing, it is in order to carrying and locate this light path and image element; And
One first substrate, it comprises a light source and a sensor, wherein this light source and this sensor are positioned on the same surface of this first substrate, from the light of this light emitted via this light path and image element after, received by this sensor.
24. optical navigator as claimed in claim 23 is characterized in that: this first substrate is a printed circuit board (PCB) or the substrate with lead frame.
25. optical navigator as claimed in claim 23 is characterized in that: this first substrate is an organic substrate or an inorganic substrate.
26. optical navigator as claimed in claim 23, it is characterized in that: this light path and image element also comprise a stanchion, and this housing has a hole, and wherein this stanchion is installed in this hole of this housing, so that this light path and image element and relatively rotating of this housing are controlled.
27. optical navigator as claimed in claim 23, it is characterized in that: this optical navigator also includes one second substrate, wherein this second substrate has a hole, so that the combination of this light path and image element and this housing can be passed the hole of this second substrate.
28. optical navigator as claimed in claim 27 is characterized in that: a surface of this first substrate has a plurality of weld pads, so that this first substrate is electrically connected by surface mount technology with this second substrate.
29. optical navigator as claimed in claim 23 is characterized in that: this light path and image element are made of the high temperature thermosetting material.
30. optical navigator as claimed in claim 23 is characterized in that: this light source is a light emitting diode, a laser diode or vertical cavity surface lase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100588837A CN100478859C (en) | 2006-03-08 | 2006-03-08 | Optical navigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100588837A CN100478859C (en) | 2006-03-08 | 2006-03-08 | Optical navigation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101034330A CN101034330A (en) | 2007-09-12 |
| CN100478859C true CN100478859C (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100588837A Expired - Fee Related CN100478859C (en) | 2006-03-08 | 2006-03-08 | Optical navigation device |
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| CN (1) | CN100478859C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338974A (en) * | 2010-07-22 | 2012-02-01 | 昆山西钛微电子科技有限公司 | Photoelectric navigation module |
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| CN101034330A (en) | 2007-09-12 |
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