CN103970292B - Optical pointing device and optical pointing judgment method - Google Patents
Optical pointing device and optical pointing judgment method Download PDFInfo
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- CN103970292B CN103970292B CN201310044542.4A CN201310044542A CN103970292B CN 103970292 B CN103970292 B CN 103970292B CN 201310044542 A CN201310044542 A CN 201310044542A CN 103970292 B CN103970292 B CN 103970292B
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Abstract
The invention relates to an optical pointing device and an optical pointing judgment method applied to measuring the direction that a user's finger points to. The optical pointing device comprises a cover, a light source, and a sensor. The cover is provided with a push portion and a sidewall; the push portion has a first surface and a second surface opposite to the first surface; the sidewall extends down from the edge of the second surface. The light source is used for providing a main beam, which can be transmitted to the push portion of the cover so as to form a first beam penetrating the push portion and a second beam reflected by the second surface. The sensor is used for receiving the second beam reflected by the second surface, and judging the second beam by an algorithm so as to output first shift coordinates. The light source and the sensor are covered with the cover; the sidewall is flexible. The optical pointing device and the optical pointing judgment method have the advantages that an operator can be provided with corresponding feedback force during operating so as to precisely locate a vernier, and a more visual operating mode is provided.
Description
Technical field
The present invention is with regard to a kind of optical point device and its determination methods；Digital mobile is used in especially with regard to one kind
Optical point device and its determination methods on device.
Background technology
Digital mobile apparatus, such as notebook computer, its compared to traditional desk computer because with carrying just
Profit, gradually can contend with desk computer on performance, therefore has become majority and produced in purchase computer
First choice during product.
However, also because considering for carrying convenience, only will arrange more than notebook computer to the keyboard for carrying out word input
It is equipped with for basic, and traditional slide-mouse is replaced with Trackpad, cause the inadequate intuition in the operation of vernier, and is also compared using upper
Be not suitable for carrying out the Dragging movement of object.
The notebook computer of some types, though a vernier can be provided with the key entry area points to key more, to attempt for making
User can carry out more quick vernier operation, but be the edge using mechanism's movement and pressure sensitive because the vernier points to key
Therefore, though thus move feel in the upper user that can provide of operation, in being still difficult to give quick and instant reaction using upper.
In addition to aforesaid notebook computer, other kinds of digital mobile apparatus, such as mobile phone, because being limited to screen size
With the configuration in key-press input area, although therefore can be equiped with similar in appearance to aforesaid vernier point to key, but because lack mechanism movement with press
Power sensing element so that such product in addition to mobile feel is lacked, in using it is upper be also equally difficult to give it is quick and instant anti-
Should.
In view of this, how to provide a kind of with mobile feel and can give the optical point device of quick and immediate reaction
And its determination methods, it is for this industry problem demanding prompt solution.
The content of the invention
One purpose of the present invention is to provide a kind of optical point device, and it may be used to provide a movement feel, for using
Person relative can obtain corresponding feedback power when operation.
Another object of the present invention is to provide a kind of determination methods of optical point device, it can work as the finger of user
When pushing away motionless toward a fixed-direction, phase-detection is still carried out with moving cursor.
It is that, up to above-mentioned purpose, the optical point device of the present invention includes a lid, a light source and a sensor（sensor）.
Lid has a press section and side wall, and press section has a first surface and a second surface relative with first surface, and
Side wall is extended downwardly from the periphery of second surface.To provide a main beam, main beam is suitable can be launched to the pressing of lid light source
Portion, to form one first light beam and one second light beam as second surface reflection that penetrate press section.Sensor is suitable can be received as
Second light beam of second surface reflection, and the judgement of the second light beam is carried out using an algorithm, to export one first displacement coordinate.
Wherein, light source and sensor are covered by lid, and side wall is with flexible side wall.
The beneficial effects of the present invention is：By the present invention, allow user relative can obtain corresponding feedback when operation
Power, is more accurately positioned to vernier, and provides the operator scheme of more intuition.
It is that above-mentioned purpose, technical characteristic and advantage can be become apparent, hereafter institute's accompanying drawings is coordinated with preferred embodiment
It is described in detail.
Description of the drawings
Fig. 1 is the profile that the optical point device of the present invention is contacted with finger and do not promoted；
Fig. 2 is the profile that the optical point device of the present invention is contacted with finger and promoted；And
Fig. 3 is that the step of optics of the present invention points to determination methods is schemed.
Reference
100 optical point devices
110 lids
112 press sections
112a first surfaces
112b second surfaces
114 side walls
120 light sources
122 main beams
The light beams of 122a first
The light beams of 122b second
130 sensors
200 fingers
Specific embodiment
As shown in figure 1, an optical point device 100 of the present invention, the finger of the finger 200 to measure a user
To provide digital mobile apparatus, such as notebook computer or mobile phone, carrying out the movement of the vernier on screen.
As illustrated, the optical point device 100 of the present invention includes a lid 110, a light source 120 and a sensor 130.
Wherein, lid 110 has a press section 112 and a side wall 114, press section 112 have a first surface 112a and with the first table
A face 112a relative second surface 112b, and side wall 114 extends downwardly from the periphery of second surface 112b.Light source 120 to
A main beam 122 is provided, main beam 122 is suitable can be launched to the press section 112 of lid 110, and to be formed the one of press section 112 is penetrated
The first light beam 122a and one second light beam 122b for second surface 112b reflections.Need to remind, for convenience of retouching for the present invention
State, the finger 200 in schema is only illustrated with the size of optical point device 100, is not the ratio of practical operation.Also,
Light source 120 and sensor 130 are all covered by lid 110, while side wall 114 is with flexible side wall.
Please continue and refer to Fig. 2, when the finger 200 of user promotes lid 110, and produce the light path of the second light beam 122b
During change, suitable the second light beam 122b that can be received as second surface 112b reflections of sensor 130, and carry out the using an algorithm
The judgement of two light beam 122b changes, is moved with exporting one first displacement coordinate for vernier.
Simultaneously, in penetrating behind press section 112, it is a finger 200 of user to fit to aforesaid first light beam 122a
Reflected, and sensor 130 is suitable can receive the first light beam 122a reflected by finger 200, and the is carried out using the algorithm
The judgement of one light beam 122a, to export a second displacement coordinate.Consequently, it is possible to sensor 130 just can be in the first displacement coordinate
On the basis of movement, the numerical value for adding second displacement coordinate is judged, to obtain more accurately slider position change.
Further, since the side wall 114 of this case is with flexible side wall, therefore when as shown in Fig. 2 making the finger of user
During 200 promotion lid 110, side wall 114 be able to will be moved horizontally according to the one of press section 112, produced reducible deformation and formed
One movement feel, and then relative can obtain corresponding feedback power when operating for user.
In the present invention, light source 120 is preferably a LED light source or an infrared light sources, but not with this as restriction.This
Outward, multiple patterns can be provided with the second surface 112b of press section 112, make second surface 112b become the figuratum table of tool
Face, causes the second light beam 122b reflected by second surface 112b to produce significant bright dark change, aid sensors 130 in
When receiving the second light beam 122b, it is able to carry out more accurately location determination using algorithm.
It is preferred that side wall 114 is by rubber, PU（Polyurethane formyl, Polyurethane）Constituted Deng material, to carry
For the flexibility needed for the present invention, and then produce reducible deformation and mobile feel.In other words, in those of ordinary skill in the art
Also the materials such as rubber, the PU of mediation different proportion can be passed through, to form the side wall 114 with different mobile feel, lid is caused
110 there is different feedback powers to select for user.On the other hand, the press section 112 of lid 110 is then by PC（Poly- carbonic acid
Ester, Polycarbonate）、PMMA（Polymethyl methacrylate, PolymethylMethacrylate）、ABS（Acrylic nitrile-butadiene
Diene-styrene copolymer, Acrylonitrile Butadiene Styrene）Constituted Deng material, to provide main beam
122 appropriate reflections/penetrate interface.
As shown in figure 3, the present invention also provides the determination methods that a kind of optics is pointed to, it has following steps.First, as walked
Rapid 301 and step 302 shown in, first provide after light source 120 and sensor 130, then provide lid 110 to cover light source 120 and pass
Sensor 130.Then, as disclosed at step 303, main beam is launched towards the press section 112 that lid 110 has using light source 120
122, make main beam 122 form the first light beam 122a for penetrating press section 112 and anti-for the second surface 112b institutes of press section 112
The the second light beam 122b for penetrating.Finally, as shown in step 304 and step 305, when being received as press section 112 using sensor 130
After the second light beam 122b that second surface 112b is reflected, the judgement of the second light beam 122b is just carried out using an algorithm, with
Export the first displacement coordinate to move for vernier.Fit that, by abovementioned steps, the judgement that optics of the present invention is pointed to just can be readily accomplished
Method.
On the other hand, if there is the finger 200 of user toward a fixed-direction（Such as only toward top direction, or only down
Fang Fangxiang）When pushing away motionless situation, then as shown at step 306, when sensor 130 is judged at the second light beam 122b after reflection
In a fixed-direction and with a fixed-area（I.e. size does not change）When, then the first displacement coordinate is persistently exported, make
Vernier is sustainable along the fixed-direction movement.
Additionally, aforesaid determination methods also can further have following steps.As shown at step 307, the handss of user are made
Refer to that 200 reflect the first light beam 122a, and as depicted in step 308, first reflected by finger 200 is received using sensor 130
Light beam 122a, and as depicted at step 309, the judgement of the first light beam 122a is carried out using aforesaid algorithm, to export second
Move coordinate.Thus, because sensor 130 can simultaneously receive second light beam of the second surface 112b in reflection self-pressing portion 112
122b, and the first light beam 122a from finger 200 is reflected, therefore the determination methods that the optics of the present invention is pointed to, just it is able to respectively
After calculating the first displacement coordinate and second displacement coordinate, be optical point device 100 carry out more accurately location action to drive
Dynamic vernier.
Similar in appearance to aforementioned, if occur the finger 200 of user toward a fixed-direction push away motionless situation when, then as walked
Described in rapid 310, when sensor 130 judges the first light beam 122a after reflection in a fixed-direction and has a fixed-area
When, then the second displacement coordinate can be persistently exported, make vernier sustainable and move along the fixed-direction.
In sum, by disclosed optical point device 100, when the finger 200 of user promotes lid
When 110, will be able to that there is a movement feel because of the effect of flexible side walls 114, so that user relative can be obtained when operating
Obtain corresponding feedback power.On the other hand, the determination methods that disclosed optics is pointed to, also can be by aforementioned algorithm
Judgement to the first light beam 122a and the second light beam 122b, is more accurately positioned to vernier；Also, when the handss of user
Refer to 200 toward a fixed-direction push away motionless when, sensor 130 still will carry out phase-detection with moving cursor, so as to provide more
For the operator scheme of intuition.
The above embodiments are only used for enumerating the enforcement aspect of the present invention, and the technical characteristic of the explaination present invention, not
For limiting the protection category of the present invention.Any skilled person unlabored can change or the arrangement of isotropism is belonged to
The scope that the present invention is advocated, the scope of the present invention should be defined by claims.
Claims (13)
1. a kind of optical point device, the sensing of the finger to measure a user, it is characterised in that the optics is pointed to
Device is included：
One lid, with a press section and side wall, the press section has a first surface and relative with the first surface
A second surface, and the side wall extends downwardly from the periphery of the second surface；
One light source, to provide a main beam, the main beam is launched to the press section of the lid, and to be formed institute is penetrated
State one first light beam and one second light beam for second surface reflection of press section；And
One sensor, is received as second light beam of the second surface reflection, and carries out described second using an algorithm
The judgement of light beam, to export one first displacement coordinate；
Wherein, the light source and the sensor are covered by the lid, and the side wall is the side wall with flexibility, and according to
Move horizontally according to the one of the press section, produce reducible deformation.
2. optical point device according to claim 1, it is characterised in that penetrate first light beam of the press section
Reflected by the finger of the user, and the sensor is received as first light beam that the finger is reflected.
3. optical point device according to claim 2, it is characterised in that the sensor receives the finger and reflected
First light beam after, the judgement of first light beam is carried out using the algorithm, to export a second displacement coordinate.
4. optical point device according to claim 1, it is characterised in that the light source is a LED light source.
5. optical point device according to claim 1, it is characterised in that the second surface is provided with multiple patterns.
6. optical point device according to claim 1, it is characterised in that the side wall is mainly by rubber, Polyurethane first
Acidic base materials are constituted.
7. optical point device according to claim 1, it is characterised in that the press section is mainly by Merlon, poly-
Methyl methacrylate, ABS polymer are constituted.
8. a kind of optics points to determination methods, measures the sensing of a finger of a user, it is characterised in that the optics is pointed to
Determination methods are comprised the steps of：
A () provides a light source and a sensor；
B () provides a lid to cover the light source and the sensor；
C () launches a main beam using the light source towards the press section that the lid has, form the main beam and wear
One first light beam of the saturating press section and one second light beam reflected by a second surface of the press section；
D second light beam that () is reflected using the second surface that the sensor is received as the press section；And
E () carries out the judgement of second light beam using an algorithm, to export one first displacement coordinate；Wherein, the lid
Extend downwardly from the periphery of the second surface with side wall, and the side wall, the side wall is the side wall with flexibility, and
Move horizontally according to the one of the press section, produce reducible deformation.
9. optics according to claim 8 points to determination methods, it is characterised in that the optics points to determination methods and more wraps
Containing the following steps：
F () persistently exports institute when second light beam after judging reflection is in a fixed-direction and has a fixed-area
State the first displacement coordinate.
10. optics according to claim 9 points to determination methods, it is characterised in that the optics points to determination methods more
Comprise the steps of：
G () makes the finger of the user reflect first light beam；
H () is received as first light beam that the finger is reflected using the sensor；And
I () carries out the judgement of first light beam using the algorithm, to export a second displacement coordinate.
11. optics according to claim 10 point to determination methods, it is characterised in that the optics points to determination methods more
Comprise the steps of：
J () persistently exports institute when first light beam after judging reflection is in a fixed-direction and has a fixed-area
State second displacement coordinate.
12. optics according to claim 8 point to determination methods, it is characterised in that the press section has relative to institute
A first surface of second surface is stated, and the second surface is provided with multiple patterns.
13. optics according to claim 8 point to determination methods, it is characterised in that the side wall is mainly by rubber, polyamine
Ester formic acid sill is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044542.4A CN103970292B (en) | 2013-02-04 | 2013-02-04 | Optical pointing device and optical pointing judgment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044542.4A CN103970292B (en) | 2013-02-04 | 2013-02-04 | Optical pointing device and optical pointing judgment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103970292A CN103970292A (en) | 2014-08-06 |
| CN103970292B true CN103970292B (en) | 2017-04-12 |
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ID=51239892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310044542.4A Active CN103970292B (en) | 2013-02-04 | 2013-02-04 | Optical pointing device and optical pointing judgment method |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061177A (en) * | 1996-12-19 | 2000-05-09 | Fujimoto; Kenneth Noboru | Integrated computer display and graphical input apparatus and method |
| CN101539824A (en) * | 2008-03-20 | 2009-09-23 | 原相科技股份有限公司 | Optical control device and method for judging control action |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2026174B1 (en) * | 2007-08-13 | 2010-10-13 | Research In Motion Limited | Touchscreen for electronic device |
| JP5295848B2 (en) * | 2009-04-14 | 2013-09-18 | 株式会社日立製作所 | Personal authentication device |
| US8618482B2 (en) * | 2011-02-22 | 2013-12-31 | Blackberry Limited | Mobile device with proximity sensor |
-
2013
- 2013-02-04 CN CN201310044542.4A patent/CN103970292B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061177A (en) * | 1996-12-19 | 2000-05-09 | Fujimoto; Kenneth Noboru | Integrated computer display and graphical input apparatus and method |
| CN101539824A (en) * | 2008-03-20 | 2009-09-23 | 原相科技股份有限公司 | Optical control device and method for judging control action |
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| Publication number | Publication date |
|---|---|
| CN103970292A (en) | 2014-08-06 |
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