CN102591485A - Moving direction sensing device and index control device - Google Patents
Moving direction sensing device and index control device Download PDFInfo
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- CN102591485A CN102591485A CN2011100212444A CN201110021244A CN102591485A CN 102591485 A CN102591485 A CN 102591485A CN 2011100212444 A CN2011100212444 A CN 2011100212444A CN 201110021244 A CN201110021244 A CN 201110021244A CN 102591485 A CN102591485 A CN 102591485A
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Abstract
The invention relates to a moving direction sensing device, which comprises a circuit board and an operating part. The circuit board is provided with at least two first conductors which are spaced and form a ring, the operating part is provided with a second conductor arranged above the first conductors at intervals, the second conductor moves relative to the first conductor to change the overlapping area of the second conductor with the first conductors, and capacitance between the second conductor and each first conductor is changed relatively to indicate the moving direction of the second conductor. The invention further relates to an index control device comprising the moving direction sensing device and a sensor. The sensor is used for providing an electric signal to each first conductor to sense the capacitance between the second conductor with each first conductor, and judging the moving direction of the second conductor according to the capacitance to correspondingly generate an index control signal. Therefore, sensing moving direction of the operating part and controlling relative movement of the index are realized.
Description
Technical field
The present invention relates to a kind of indicator device; Particularly relate to a kind of by the variation of moving an operating key control capacitance amount, with according to the moving direction sensing apparatus of electric capacitance change decision operation key moving direction and displacement and use the cursor controller of this moving direction sensing apparatus.
Background technology
Direction-control apparatus is widely used in the electronic products such as computing machine, mobile phone, PDA(Personal Digital Assistant), as the input operation interface of vernier or menu on the control screen.The general product kenel of this type direction-control apparatus is the directionkeys on mouse, trace ball or the electronic installation normally; And it is selection and the control that reaches direction through many mechanical realizations; To such an extent as to this type of direction-control apparatus volume is bigger, do not meet electronic product pursuit portability and compact demand now.
In addition; The direction-control apparatus of rocking bar (point stick) formula in the past; Be to control a vertical range between the sheet metal above a plurality of metal electrodes and above-mentioned metal electrode, to judge the direction of rocking bar inclination by the change of electric capacity with the angle that a rocking bar tilts.But the whole height of this kind device is higher; Be not to be applicable to all electronic products; And when the rocking bar off-centring; And can't judge electric capacity between sheet metal and the above-mentioned metal electrode be because overlapping area between sheet metal and the above-mentioned metal electrode or height cause, and be easy to generate the erroneous judgement problem.
In addition; A kind of direction selecting arrangement that uses the hall sensing element; Then be sense of displacement and the displacement that utilizes magnetic force sensing principle sensing direction input mechanism, but this type of technology is comparatively complicated on technology, need make the hall sensing element with special technology; And need the extra magnet that is provided with, also comparatively complicated in the assembling.
Because the defective that above-mentioned existing direction control and selecting arrangement exist; The inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; And cooperate the utilization of studying the science, actively study innovation, in the hope of founding a kind of moving direction sensing apparatus and cursor controller of new structure; Can improve general existing direction control and selecting arrangement, make it have more practicality.Through constantly research, design, and, found out the present invention of true tool practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The objective of the invention is to; Overcome the shortcoming that existing direction control and selecting arrangement exist; And a kind of moving direction sensing apparatus and cursor controller are provided; Technical matters to be solved is, utilizes the capacitance sensing principle to come the sense operation moving direction to export a direction control signal with correspondence, simple structure and can reduce the integrated member height.
For achieving the above object, moving direction sensing apparatus of the present invention comprises a circuit board and an operating parts.The one side of this circuit board is provided with the electric conductor of at least two ring-types of being separated by and surrounding; This operating parts have one be located at above-mentioned first electric conductor top at intervals second electric conductor; The above-mentioned relatively first electric conductor translation of this second electric conductor; Can change this second electric conductor and the overlapping area of this first electric conductor respectively; Make this second electric conductor and respectively the electric capacity between this first electric conductor change relatively, and reflect the moving direction of this second electric conductor.
Moreover; Cursor controller of the present invention comprises an above-mentioned moving direction sensing apparatus and a sensor, and this sensor is electrically connected with above-mentioned first electric conductor, to provide a voltage to this first electric conductor respectively; Make this second electric conductor and when respectively forming a capacity effect between this first electric conductor; This sensor is obtained this second electric conductor and the electric capacity between this first electric conductor respectively, and judges according to above-mentioned electric capacity and the moving direction of this second electric conductor to produce a control indexes signal with correspondence.
The object of the invention and solve its technical matters and can also adopt following technical measures to come further to realize.
Preferably, this moving direction sensing apparatus comprises that more one is located at the insulation course between this second electric conductor and above-mentioned first electric conductor, and it electrically contacts unlikely and above-mentioned first electric conductor in order to intercept second electric conductor.
Preferably; This moving direction sensing apparatus comprises that more one is located at the shell of this circuit board and this second electric conductor top; This shell have one be positioned at second electric conductor top opening; And this operating parts more comprises the operating portion that outside this opening, protruded out by the end face of this second electric conductor, and it makes things convenient for the user to promote this second electric conductor.
Preferably; This moving direction sensing apparatus comprises that more one is set on this operating portion; Between this shell and this second electric conductor and diameter greater than the elastic body of this second electric conductor, it is in order to be fixed on this operating portion the center between above-mentioned first electric conductor.
Preferably; This circuit board more comprise one be located at the annular central that above-mentioned first electric conductor surrounded ground plane; And this operating parts more comprises a usefulness so that this second electric conductor and the earth conductor that this ground plane electrically contacts make this second electric conductor perseverance be in ground state.
Preferably, should be an elastic conductor by earthed conductor, the one of which end connects this ground plane, and the other end connects this second electric conductor.
Preferably; Be formed with the groove that in this operating portion, extends to outside this second electric conductor on this operating parts; And this earth conductor comprises the elastic conductor that is located in this groove, and one to be arranged on this elastic conductor terminal, in order to the conduction ball of the electrical butt of this ground plane.
Preferably, this moving direction sensing apparatus comprises that more one is set on this operating portion and the auxiliary moving sheet between this elastic body and this shell, its in order to fixing this elastic body and elastic body is provided and shell between lubrication.
Effect of the present invention comprises: a plurality of first electric conductors that surround an annular are set on the circuit board; And one be located at above-mentioned first electric conductor top second electric conductor that can above-mentioned relatively first electric conductor moves horizontally; Change second electric conductor and overlapping area between this first electric conductor respectively by promoting second electric conductor; Make and a sensor that above-mentioned first electric conductor electrically connects can record second electric conductor and the respectively variation of electric capacity between this first electric conductor, and judge the direction that second electric conductor moves, with the moving direction of generation the index on the screen of a control indexes signal controlling electronic product that should moving direction; Not only physical construction is simple; Make easily, and the whole height of cursor controller is reduced, and more be applicable in the compact electronic product of demand.
In sum, the present invention has obvious improvement technically, and has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of instructions, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the structure schematic side view of moving direction sensing apparatus of first preferred embodiment of cursor controller of the present invention.
Fig. 2 is the schematic top plan view of relative position relation of operating parts and the above-mentioned sheet metal of first embodiment.
Fig. 3 is sensor and this sheet metal of first embodiment and the annexation synoptic diagram of the formed electric capacity of this sheet metal respectively.
Fig. 4 is that the above-mentioned relatively sheet metal of the operating parts of first embodiment is toward the schematic side view that moves right.
Fig. 5 is that the above-mentioned relatively sheet metal of the operating parts of first embodiment is toward the schematic top plan view that moves right.
The structure schematic side view of the moving direction sensing apparatus of second preferred embodiment of Fig. 6 cursor controller of the present invention.
Fig. 7 is the schematic top plan view of relative position relation of operating parts and the above-mentioned sheet metal of second embodiment.
Fig. 8 is sensor and this sheet metal of second embodiment and the annexation synoptic diagram of the formed electric capacity of this sheet metal respectively.
Fig. 9 is that the above-mentioned relatively sheet metal of the operating parts of second embodiment is toward the schematic side view that moves right.
Figure 10 is that the above-mentioned relatively sheet metal of the operating parts of second embodiment is toward the schematic top plan view that moves right.
The structure schematic side view of the moving direction sensing apparatus of the 3rd preferred embodiment of Figure 11 cursor controller of the present invention.
Figure 12 is the schematic top plan view of relative position relation of operating parts and the above-mentioned sheet metal of the 3rd embodiment.
Figure 13 is sensor and this sheet metal of the 3rd embodiment and the annexation synoptic diagram of the formed electric capacity of this sheet metal respectively.
Figure 14 is that the above-mentioned relatively sheet metal of the operating parts of the 3rd embodiment is toward the schematic side view that moves right.
Figure 15 is that the above-mentioned relatively sheet metal of the operating parts of the 3rd embodiment is toward the schematic top plan view that moves right.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To moving direction sensing apparatus and its embodiment of cursor controller, structure, step, characteristic and the effect thereof that proposes according to the present invention, specify as after.
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated:
Extremely shown in Figure 3 referring to Fig. 1; It is first preferred embodiment of cursor controller of the present invention; This cursor controller 1 can be arranged on electronic product, for example on mobile computer, mobile phone or the PDA(Personal Digital Assistant), in order to the operation according to the user; Control the index on its screen, for example one of a vernier or menu choose form moving direction.Cursor controller 1 mainly comprises a circuit board 11, an operating parts 12 and a sensor 13.Wherein circuit board 11 and operating parts 12 constitute the physical constructions of moving direction sensing apparatus jointly.
As shown in Figure 2; At original state (not by mode of operation); Sheet metal 16 is in above-mentioned sheet metal 14, center between 15, and with above-mentioned sheet metal 14, have identical overlapping area between 15, when the user pointed operating of contacts portion 17 and do not pass operating portion 17 as yet this moment; Sheet metal 16 is through operating portion 17 and user's finger ground connection; And sheet metal 16 and respectively this sheet metal 14, form a capacity effect between 15, at this moment sensor 13 is by formula: Q (electric charge)=C (electric capacity) * V (voltage)=I (electric current) * T (time), can sense at sheet metal 16 and a reference capacitance of this sheet metal 14, formation between 15 respectively.
And like Fig. 4, shown in 5, when user finger to the right, for example the direction of sheet metal 14 (for example to the right) is stirred operating portion 17; And make sheet metal 16 when the direction of sheet metal 14 moves, the overlapping area that makes sheet metal 16 with sheet metal 14 is become big, and the sheet metal 16 and the overlapping area of sheet metal 15 are diminished; At this moment according to above-mentioned formula, sensor 13 will record sheet metal 16 and sheet metal 14, the electric capacity between 15, and after itself and reference capacitance compared; Electric capacity between discovery sheet metal 16 and the sheet metal 14 is greater than reference capacitance; And the electric capacity between sheet metal 16 and the sheet metal 15 whereby, reflects the user and points mobile direction less than reference capacitance; And sensor 13 can be according to sheet metal 16 and sheet metal 14, electric capacitance change between 15; Judge that the user points also corresponding output one index signal of moving direction to the inner control circuit of electronic product, makes the corresponding user of the index of controlling on the screen point moving direction and moves, and reach the purpose that input is controlled.
Extremely shown in Figure 8 referring to Fig. 6; It is second preferred embodiment of cursor controller of the present invention; This cursor controller 2 can be arranged on electronic product, for example on mobile computer, mobile phone or the PDA(Personal Digital Assistant), in order to the operation according to the user; Control the index on its screen, for example one of a vernier or menu choose form moving direction.Cursor controller 2 comprises a circuit board 21, an operating parts 22, a sensor 23, an insulation course 24, a shell 25 and an elastic body 26.
As shown in Figure 7; Circuit board 21 is provided with four sheet metal 211-214 that surround ring-type; And as first embodiment, operating parts 22 have one be located at above-mentioned sheet metal 211-214 top at intervals sheet metal 221 and by the upwardly extending operating portion 222 in sheet metal 221 centers.
As shown in Figure 8, sensor 23 is electrically connected with above-mentioned sheet metal 211-214, and provides a voltage to this sheet metal 211-214 respectively, with sensing sheet metal 221 and the electric capacity between this sheet metal 211-214 respectively.
Shell 25 is located at circuit board 21 and sheet metal 221 tops; And shell 25 have one be positioned at sheet metal 221 tops opening 251; Make by the upwardly extending operating portion 222 in sheet metal 221 centers and can outside opening 251, protrude out, and limit the displacement of sheet metals 221 by opening 251.
As shown in Figure 7, at original state (not by mode of operation), sheet metal 221 is between above-mentioned sheet metal 211-214; And identical with the overlapping area of above-mentioned sheet metal 211-214, this moment is when the user points operating of contacts portion 222 and do not pass operating portion 222 as yet, and is as shown in Figure 8; Sheet metal 221 is pointed ground connection via operating portion 222 and user, makes sensor 23 sense sheet metal 221 and the reference capacitance between this sheet metal 211-214 respectively, and points towards a direction as the user; For example Figure 10 towards sheet metal 211, direction between 212, stir operating portion 222 to the right and make sheet metal 221 when moving right, the overlapping area that makes sheet metal 221 with sheet metal 211,212 is become big; And the sheet metal 221 and the overlapping area of sheet metal 213,214 are diminished; Make sheet metal 221 and sheet metal 213, the electric capacity between 214 greater than reference capacitance, and sheet metal 221 and sheet metal 213, the electric capacity between 214 reflect the user whereby and point mobile direction less than reference capacitance; Therefore; Sensor 23 can be tried to achieve the electric capacity between sheet metal 221 and each the sheet metal 211-214 by above-mentioned formula: Q (electric charge)=C (electric capacity) * V (voltage)=I (electric current) * T (time), and compares with reference capacitance; Can judge that the user points toward moving right; And corresponding output one control indexes signal makes the corresponding user of the index of controlling on the screen point moving direction and moves, and reach the purpose that input is controlled to the inner control circuit of electronic product.
In like manner; When user's finger push sheet metal 221 moves towards sheet metal 212, direction between 213; Sensor 23 can judge that the user points and move down, and when user's finger push sheet metal 221 moves towards sheet metal 213, direction between 214, sensor 23 can judge that the user points toward moving left; And move towards sheet metal 214, direction between 211 when user's finger push sheet metal 221, sensor 23 can be judged that the user points up and move.Or; When user's finger push sheet metal 221 respectively when the direction of sheet metal 211,212,213,214 moves; Sensor 23 can judge that the user points respectively toward upper right, bottom right, a left side down or the upper left side to the state that moves, and reach index on the screen that can control electronic product at least towards eight effects that direction moves.
And when operating portion 222 is passed toward a certain direction, can make the storage elasticity restoring force towards this direction compresses elastomeric 26, in case the user points leave operation portion 222, elastic body 26 promptly pushes back to initial position by elastic restoring force with operating portion 222.
Extremely shown in Figure 13 referring to Figure 11 again; It is the 3rd preferred embodiment of cursor controller of the present invention; This cursor controller 3 can be arranged on electronic product, for example on mobile computer, mobile phone or the PDA(Personal Digital Assistant), in order to the operation according to the user; Control the index on its screen, for example one of a vernier or menu choose form moving direction.
As second embodiment, cursor controller 3 comprises a circuit board 31, an operating parts 32, a sensor 33, an insulation course 34, a shell 35 and an elastic body 36.Wherein sensor 33, insulation course 34, shell 35 and elastic body 36 are identical with second embodiment, repeat no more at this.Present embodiment is different with second embodiment be in; Shown in figure 12; The circuit board 31 of present embodiment is provided with eight sheet metal 311-318 that surround ring-type; And sensor 33 is electrically connected with above-mentioned sheet metal 311-318, and provides a voltage to this sheet metal 311-318 respectively, with sensing sheet metal 321 and the electric capacity between this sheet metal 311-318 respectively.
In addition; On circuit board 31, more be provided with one place the annular central that above-mentioned sheet metal 311-318 surrounded ground plane 310; And more be provided with a usefulness on the operating parts 32 so that the earth conductors that sheet metal 321 and ground plane 310 electrically contact, this earth conductor can be an elastic conductor, one of which end connection ground plane 310; The other end connects sheet metal 321, with operating parts 32 ground connection.Preferably; In the present embodiment, be formed with the groove 323 that in operating portion 322, extends to outside the sheet metal 321 on the operating parts 32, and this earth conductor comprises the elastic conductor that is located in the groove 323; A spring 324 for example; And one be arranged on spring 324 ends, the conduction ball 325 of the ground plane 310 electrical butts on the Zhou Yiyu circuit board 31, thereby with operating parts 32 ground connection.Whereby, no matter the user is the object promotion operating portion 322 with finger or other insulation, operating parts 32 perseverances are in ground state.Certainly except above-mentioned spring 324 and conduction ball 325, also can use conducting resinl or lead as the earth conductor between operating parts 32 and the ground plane 310.
Moreover; Shown in figure 11; Present embodiment more is provided with the auxiliary moving sheet 37 that is set on the operating portion 322 between elastic body 36 and shell 35, an annular iron plate for example, and it can be to pressed and fixing elastic body 36; And the lubrication between elastic body 36 and the shell 35 is provided, the friction when minimizing elastic body 36 moves.
Likewise; Like Figure 14 and shown in Figure 15, when the user points towards a certain direction, for example sheet metal 316, the direction between 317 are stirred operating parts 32; Sensor 33 is according to sheet metal 321 and different electric capacity between this sheet metal 311-318 respectively, can sense operating parts 32 and move towards the right.In like manner; When operating parts 32 towards sheet metal 311, between 318, sheet metal 318, between 317, sheet metal 316, between 315, sheet metal 315, between 314, sheet metal 314, between 313, sheet metal 313, between 312 or sheet metal 312, when moving between 311, sensor 33 can according to the electric capacity decision operation part 32 that records up, upper right, bottom right, down, a left side down, a left side or upper left side be to moving.Certainly, when operating parts 32 when one of them moves towards sheet metal 311 to 318, sensor 33 also can move according to the direction of the capacitance decision operation part 32 that records towards sheet metal 311 to 318 one of them place.
In addition; Below the circuit board 11,21 or 31 of above-mentioned each cursor controller 1,2 or 3, a push switch 4 can be set again; Pushed downwards and will be touched push switch 4 when related downward promotion circuit board 11,21 or 31 when operating parts 12,22 or 32, make this electronic product of output one trigger pip control carry out corresponding action or function.
In sum; The foregoing description is by a plurality of sheet metals that surround an annular are set on circuit board; And one be located at above-mentioned sheet metal top the sheet metal that can above-mentioned relatively sheet metal moves horizontally; And change sheet metal and overlapping area between this sheet metal respectively by promoting sheet metal, make and a sensor of above-mentioned sheet metal electric connection can record sheet metal and the respectively variation of electric capacity between this sheet metal, and judge the direction that sheet metal moves; To produce moving direction, reach the object of the invention to the index on the screen of a control indexes signal controlling electronic product that should moving direction.
In addition; Because the foregoing description only needs the electric capacitance change that can be produced according to the operating parts horizontal shift by simple physical construction; The moving direction of detecting operating parts; Not only make easily, and the whole height of cursor controller is reduced, and more be applicable in the compact electronic product of demand.
The above; Only being preferred embodiment of the present invention, is not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment; Yet be not in order to limit the present invention; Any professional and technical personnel of being familiar with makes a little change or is modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using in not breaking away from technical scheme scope of the present invention, is the content that does not break away from technical scheme of the present invention in every case;, all still belong in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (14)
1. moving direction sensing apparatus is characterized in that:
This moving direction sensing apparatus comprises:
One circuit board which is provided with first electric conductor of at least two ring-types of being separated by and surrounding; And
One operating parts; Have one be located at above-mentioned electric conductor top at intervals second electric conductor; The above-mentioned relatively first electric conductor translation of this second electric conductor; Can change this second electric conductor and the overlapping area of this first electric conductor respectively, make this second electric conductor and respectively the electric capacity between this first electric conductor change relatively, and reflect the moving direction of this second electric conductor.
2. moving direction sensing apparatus as claimed in claim 1 is characterized in that: this moving direction sensing apparatus comprises that more one is located at the insulation course between this second electric conductor and above-mentioned first electric conductor.
3. moving direction sensing apparatus as claimed in claim 1; It is characterized in that: this moving direction sensing apparatus comprises that more one is located at the shell of this circuit board and this second electric conductor top; This shell have one be positioned at second electric conductor top opening, and this operating parts more comprises the operating portion that outside this opening, protruded out by the end face of this second electric conductor.
4. moving direction sensing apparatus as claimed in claim 3 is characterized in that: this moving direction sensing apparatus comprises that more one is set on this operating portion, between this shell and this second electric conductor and diameter greater than the elastic body of this second electric conductor.
5. moving direction sensing apparatus as claimed in claim 3; It is characterized in that: this circuit board more comprise one be located at the annular central that above-mentioned first electric conductor surrounded ground plane, and this operating parts more comprises a usefulness so that the earth conductor that this second electric conductor and this ground plane electrically contact.
6. moving direction sensing apparatus as claimed in claim 5 is characterized in that: this earth conductor is an elastic conductor, and the one of which end connects this ground plane, and the other end connects this second electric conductor.
7. moving direction sensing apparatus as claimed in claim 5; It is characterized in that: be formed with the groove that in this operating portion, extends to outside this second electric conductor on this operating parts; And this earth conductor comprises the elastic conductor that is located in this groove; And one to be arranged on this elastic conductor terminal, in order to the conduction ball of the electrical butt of this ground plane.
8. moving direction sensing apparatus as claimed in claim 4 is characterized in that: this moving direction sensing apparatus comprises that more one is set on this operating portion and the auxiliary moving sheet between this elastic body and this shell.
9. cursor controller is characterized in that:
This cursor controller comprises:
One circuit board which is provided with at least two first electric conductors of being separated by but surrounding a ring-type;
One operating parts; Have one be located at above-mentioned first electric conductor top at intervals second electric conductor; The above-mentioned relatively first electric conductor translation of this second electric conductor; Can change this second electric conductor and the overlapping area of this first electric conductor respectively, make this second electric conductor and respectively the electric capacity between this first electric conductor change relatively, and reflect the moving direction of this second electric conductor; And
One sensor; Be electrically connected with above-mentioned first electric conductor; And provide an electric signal to this first electric conductor respectively, make this second electric conductor and when respectively forming a capacity effect between this first electric conductor, this sensor obtain this second electric conductor and the electric capacity between this first electric conductor respectively; And judge according to above-mentioned electric capacity and the moving direction of this second electric conductor to produce a control indexes signal with correspondence.
10. cursor controller as claimed in claim 9 is characterized in that: this cursor controller comprises that more one is located at the insulation course between this second electric conductor and above-mentioned first electric conductor.
11. cursor controller as claimed in claim 9; It is characterized in that: this cursor controller comprises that more one is located at the shell of this circuit board and this second electric conductor top; This shell have one be positioned at second electric conductor top opening, and this operating parts more comprises the operating portion that outside this opening, protruded out by the end face of this second electric conductor.
12. cursor controller as claimed in claim 11 is characterized in that: this cursor controller comprises that more one is set on this operating portion, between this shell and this second electric conductor and diameter greater than the elastic body of this second electric conductor.
13. cursor controller as claimed in claim 12; It is characterized in that: this circuit board more comprise one be located at the annular central that above-mentioned first electric conductor surrounded ground plane, and this operating parts more comprises a usefulness so that the earth conductor that this second electric conductor and this ground plane electrically contact.
14. cursor controller as claimed in claim 11 is characterized in that: this cursor controller comprises that more one is set on this operating portion and the auxiliary moving sheet between this elastic body and this shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100212444A CN102591485A (en) | 2011-01-17 | 2011-01-17 | Moving direction sensing device and index control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100212444A CN102591485A (en) | 2011-01-17 | 2011-01-17 | Moving direction sensing device and index control device |
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| CN102591485A true CN102591485A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100212444A Pending CN102591485A (en) | 2011-01-17 | 2011-01-17 | Moving direction sensing device and index control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460964A (en) * | 2013-09-24 | 2015-03-25 | 联想(北京)有限公司 | Electronic equipment, control method and interaction method |
| US11099692B2 (en) | 2017-05-22 | 2021-08-24 | Tangi0 Limited | Sensor device and method |
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| CN1085358C (en) * | 1997-06-10 | 2002-05-22 | 明碁电脑股份有限公司 | Capacitor inductive indicator |
| CN1479858A (en) * | 2000-11-30 | 2004-03-03 | ������������ʽ���� | Static capacitive sensor |
| CN1892555A (en) * | 2005-02-28 | 2007-01-10 | 阿瓦戈科技通用Ip(新加坡)股份有限公司 | Hybrid pointing device |
| CN201107754Y (en) * | 2007-12-04 | 2008-08-27 | 张永欣 | Direction choosing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085358C (en) * | 1997-06-10 | 2002-05-22 | 明碁电脑股份有限公司 | Capacitor inductive indicator |
| US6115030A (en) * | 1997-12-18 | 2000-09-05 | International Business Machines Corporation | Trackpoint device |
| CN1479858A (en) * | 2000-11-30 | 2004-03-03 | ������������ʽ���� | Static capacitive sensor |
| CN1892555A (en) * | 2005-02-28 | 2007-01-10 | 阿瓦戈科技通用Ip(新加坡)股份有限公司 | Hybrid pointing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104460964A (en) * | 2013-09-24 | 2015-03-25 | 联想(北京)有限公司 | Electronic equipment, control method and interaction method |
| CN104460964B (en) * | 2013-09-24 | 2018-04-27 | 联想(北京)有限公司 | A kind of electronic equipment, control method and exchange method |
| US11099692B2 (en) | 2017-05-22 | 2021-08-24 | Tangi0 Limited | Sensor device and method |
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Application publication date: 20120718 |