CN1716282A - Displacement vector pick up device - Google Patents
Displacement vector pick up device Download PDFInfo
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- CN1716282A CN1716282A CNA2004100482797A CN200410048279A CN1716282A CN 1716282 A CN1716282 A CN 1716282A CN A2004100482797 A CNA2004100482797 A CN A2004100482797A CN 200410048279 A CN200410048279 A CN 200410048279A CN 1716282 A CN1716282 A CN 1716282A
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- field signal
- motion vector
- signal
- generation module
- capture device
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Abstract
The present invention relates to displacement vector pick-up device, and is especially one displacement vector pick-up device for roller mechanism used in picking up displacement vector data the roller mechanism generates under the action of external force. The displacement vector pick-up device has one magnetic signal pick-up unit for picking up the changing magnetic field signal the rotating or displacing roller mechanism generates; one signal processing unit for amplifying and further processing the magnetic field signal and converting the signal into digital quantity; and one microprocessor for calculating the displacement vector data of the roller mechanism. The present invention may have one transmission interface connected to computer or electronic equipment as the pointer unit or displacement vector data pick-up device for the computer or electronic equipment.
Description
Technical field
The present invention is the motion vector capture device during for a kind of roller assembly start, be meant that especially a kind of roller assembly that can capture is because of rotation or the motion vector data when mobile, and have a transmission interface and computing machine or electronic equipment binding, can be used as the pointer apparatus or the motion vector DAQ device of computing machine or electronic equipment.
Background technology
In the development history of computing machine, the peripheral unit that is used for controlling the screen pen travel is a lot, is the four direction key from the keyboard the earliest; Because utilize the four direction key on the key board unit to come the mobile very slowly with inconvenient of steering needle, the user needs fast and requirement easily for the control of pointer, and therefore the invention of mouse apparatus has been arranged; Up to now, mouse apparatus is still one of favorite finger control device of user, its structure is developed to optical mouse device now by mechanical type roller-ball mouse device, the user can utilize palm and finger to control the action of pointer, when user's rolling mouse device, can change the pointer position of screen, when the user presses the button of mouse apparatus, can operate the point selection function of pointer.Yet, no matter be that mechanical type roller-ball mouse device or optical mouse device still exist some restrictions and shortcoming, for example: 1, must on smooth desktop, could operate pen travel smoothly, 2, must there be enough spaces can operate pen travel smoothly, 3, must use finger simultaneously, palm, wrist can be operated the action of pointer device, 4, no matter be that mechanism's formula or optical mouse device all have the light emitting diode of use as light signal, therefore need bigger power consumption, 5, the user must operate in the space that limits, and long-time the use is easy to generate fatigue.Apparatus of the present invention are that the shortcoming at present mouse apparatus is improved, and promote the convenience and the efficient of the operation of pointer device.
Summary of the invention
The object of the present invention is to provide a kind of capture device of motion vector, can be applicable among the fixed and portable now electronic message unit, in order to as the pointer apparatus of Improvement type or the capture device of motion vector.
Device of the present invention is to operate for the user by rotatable with a mobile roller assembly, and this roller assembly has a cylinder, a gear unit, in order to produce permanent magnet module, the signal acquisition module in order to induced field of field signal.When user's rotation or mobile roller assembly, gear unit is understood the permanent magnet module in the drive unit and is produced the field signal of a change, one signal acquisition module can capture this field signal and be converted to an electronic signal, see through a signal processing unit electronic signal that captures is converted to numerical data, and calculate the relative displacement vector value that drum apparatus produces because of start via a microprocessor, utilize a transmission interface and computing machine or electronic equipment to link again, with pointer apparatus or motion vector capture device as computing machine or electronic equipment.
Description of drawings
Fig. 1-1 is the decomposing schematic representation of displacement detector first embodiment of the present invention;
Fig. 1-2 is the structural representation of displacement detector first embodiment of the present invention;
Fig. 2-1 is the decomposing schematic representation of displacement detector second embodiment of the present invention;
Fig. 2-2 is the structural representation of displacement detector second embodiment of the present invention;
Fig. 3 is a circuit diagram of the present invention;
Fig. 4 is the waveform synoptic diagram of the present invention with 3 Hall sensor acquisition field signals;
Fig. 5 is the waveform synoptic diagram of the present invention with 2 Hall sensor acquisition field signals.
Symbol description:
10～main basal base
11～subbase seat
11 '～the engagement wheels
12～field signal (A) acquisition circuit module
121,122,123～Hall sensor
13～field signal (B) acquisition circuit module
131,132,133～Hall sensor
13 '～field signal (C) acquisition circuit module
131 ', 132 ', 133 '～Hall sensor
14～signal processing unit
15～microprocessor
20～cylinder
201～operational zone
202～axle center
31～field signal (A) generation module
311～field signal A
32～field signal (B) generation module
321～field signal B
33～field signal (C) generation module
331～field signal C
40～gear unit
50～gear unit
t
0, t
1, t
1 '～sample time
Δ t
1, Δ t
1 '～sample interval
H
1, H
2, H
3～field signal waveform
H
1(P
1), H
2(P
1), H
3(P
1)～t
1Sampling spot
H
1(P
0), H
2(P
0), H
3(P
0)～t
0Sampling spot
H
1(P
1 '), H
2(P
1 '), H
3(P
1 ')～t
1 'Sampling spot
Embodiment
Embodiment one:
See also Fig. 1-1, be motion vector capture device first embodiment of the present invention, mainly comprise: a main basal base 10, a cylinder 20, a gear unit 40 (be 202,20 and 11 combination), a field signal (A) generation module 31, and field signal (B) generation module 32, wherein main engine bed 10 is provided with a field signal (A) acquisition circuit module 12 and a field signal (B) acquisition circuit module 13, a signal processing unit 14, an and microprocessor 15.
See also Fig. 1-2, a cylinder 20 is arranged in the subbase seat 11, and with an axle center 202 respectively through this subbase seat 11 and this cylinder 20 to become a gear unit 40; One field signal (A) generation module 31 is arranged on an end in an axle center 202 of this gear unit 40, and another field signal (B) generation module 32 is arranged on the bottom of a subbase seat 11 of this gear unit 40.This gear unit 40 and a field signal (A) generation module 31 and field signal (B) generation module 32 are arranged on the main basal base 10.Cylinder 20 in the gear unit 40 has an operational zone 201 can operate rotation or mobile for the user.Displacement when this cylinder is rotated can be used as the displacement of Y direction; Displacement when this cylinder is moved can be used as the displacement of directions X.Please cooperate and consult Fig. 3 (circuit diagram), when this cylinder 20 is rotated, the axle center 202 of this cylinder 20 is understood 31 rotations of transmission one field signal (A) generation modules and is produced a field signal that changes, this field signal is captured by a signal acquisition unit 12 (Hall sensor 121,122,123 with 3) of correspondence, one signal processing unit 14 is converted to electronic signal with the field signal that is captured, and, utilize a microprocessor 15 to calculate the displacement of the relative Y direction of these cylinder 20 rotations through after amplification and the digitizing conversion; Moreover, when this cylinder 20 is moved, the subbase seat 11 of this cylinder 20 can transmission one field signal (B) generation modules 32 moves and produces a field signal that changes, this field signal is captured by a signal acquisition unit 13 (Hall sensor 131,132,133 with 3) of correspondence, one signal processing unit 14 is converted to electronic signal with the field signal that is captured, and through amplification and the digitizing conversion after, utilize this microprocessor 15 to calculate the displacement of the relative directions X that this cylinder 20 moves.
Embodiment two:
See also Fig. 2-1, be motion vector capture device second embodiment of the present invention, mainly comprise: a main basal base 10, a cylinder 20, a gear unit 50 (be an axle center 202, a cylinder 20 and eat close wheels 11 ' combination), a field signal (A) generation module 31, and field signal (C) generation module 33, wherein main engine bed 10 be provided with a field signal (A) acquisition circuit module 12 and a field signal (C) acquisition circuit module 13 ', a signal processing unit 14, an and microprocessor 15.
See also 2-2 figure, this gear unit 50 is to be run through with this axle center 202 and be fixed on the main basal base 10 by this cylinder 20, and this cylinder 20 directly meshes wheels 11 ' rotation with this engagement wheels 11 ' engagement to be somebody's turn to do season in this cylinder 20 translations; One field signal (A) generation module 31 is arranged on an end in an axle center 202 of this gear unit 50, and another field signal (C) generation module 33 is arranged among the runner group 11.Cylinder 20 in the gear unit 50 has an operational zone 201 can operate rotation or mobile for the user.Displacement when this cylinder is rotated can be used as the displacement of Y direction; The displacement that this cylinder is moved can be used as the displacement of directions X.Please cooperate and consult Fig. 3 (circuit diagram), when this cylinder 20 is rotated, the axle center 202 of this cylinder 20 is understood 31 rotations of transmission one field signal (A) generation modules and is produced a field signal that changes, this field signal is captured by a field signal (A) the acquisition circuit module 12 (Hall sensor 121,122,123 with 3) of correspondence, one signal processing unit 14 is converted to electronic signal with the field signal that is captured, and, utilize a microprocessor 15 to calculate the displacement of the relative Y direction of these cylinder 20 rotations through after amplification and the digitizing conversion; Moreover, when this cylinder 20 is moved, this cylinder 20 can transmission one runner group 11 rotate, and make a field signal (C) generation module 33 rotation and produce a field signal that changes, this field signal by the field signal (C) of correspondence acquisition circuit module 13 ' (have 3 Hall sensor 131 ', 132 ', 133 ') capture, one signal processing unit 14 is converted to electronic signal with the field signal that is captured, and through amplification and the digitizing conversion after, utilize a microprocessor 15 to calculate the displacement of the relative directions X that this cylinder 20 moves.
Field signal in above-mentioned (A) acquisition circuit module 12, field signal (B) acquisition circuit module 13 and field signal (C) acquisition circuit module 13 ', can form by 2 or 3 Hall sensors (Hall Sensor), decide on design and demands of applications.
The judgement principle of displacement and sense of displacement
Example one:
According to Fig. 3 and shown in Figure 4, the signal acquisition unit 12,13 of apparatus of the present invention respectively uses 3 Hall sensors to capture the field signal of out of phase and is converted to the electronic signal waveform of out of phase; As shown in Figure 4, H
1, H
2, H
3Signal waveform be each Hall sensor the continuous field signal waveform of acquisition, the phase place of each magnetic field adjacent signal waveform respectively differs 120 degree, t
0, t
1With t
1 'Be the sample time of field signal.The judgement principle of displacement and sense of displacement is described as follows:
1. Δ t
1(t
0, t
1) be t
0With t
1The sample interval, Δ t
1 '(t
0, t
1 ') be t
0With t
1 'The sample interval.At Δ t
1The time, t
0The Hall sensor sampling spot respectively be H
1(P
0), H
2(P
0) and H
3(P
0), t
1The Hall sensor sampling spot respectively be H
1(P
1), H
1(P
1) and H
3(P
1).At Δ t
1 'The time, t
0The Hall sensor sampling spot respectively be H
1(P
0), H
2(P
0) and H
3(P
0), t
1 'The Hall sensor sampling spot respectively be H
1(P
1 '), H
2(P
1 ') and H
3(P
1 ').
2. suppose Δ P=P
1-P
0, then each Hall sensor is at Δ t
1Sampling difference in time respectively is P (H
1)=H
1(P
1)-H
1(P
0), Δ P (H
2)=H
2(P
1)-H
2(P
0) and Δ P (H
3)=H
3(P
1)-H
3(P
0).
3. suppose Δ P=P
1 '-P
0Then each Hall sensor is at Δ t
1 'Time in get and answer difference respectively for Δ P (H
1)=H
1(P
1 ')-H
1(P
0), Δ P (H
2)=H
2(P
1 ')-H
2(P
0) and Δ P (H
3)=H
3(P
1 ')-H
3(P
0).
4. suppose function Δ Min=min (Δ P (H
1), Δ P (H
2), Δ P (H
3))=Δ P (H
x), x=[1 wherein, 2,3]; Δ Min=Δ P (H
x) represent 3 Hall sensors in minimum sample signal difference (sampled signal difference) in the inelastic region, can be used to auxiliary judgment condition as sense of displacement.
5. suppose function Δ Max=max (Δ P (H
1), Δ P (H
2), Δ P (H
3))=Δ P (H
x), x=[1 wherein, 2,3]; Δ Max represents the best sampled signal difference (the sampled signal difference in the optimum linear district) among 3 Hall sensors, can be used to the main Rule of judgment as displacement.
With Fig. 4 be example, Δ Min=Δ P (H
1) then represent Δ P (H
1) be the sampled signal of inelastic region, should not be used to displacement signal, but can be used for auxiliary judgment condition as sense of displacement as the best; If Δ Max=Δ P (H
2), then represent Δ P (H
2) be best motion vector signal; If Δ P (H
2) on the occasion of, expression H
2(P
1 ')＞H
2(P
0), Δ P (H
2) value be displacement, and sense of displacement is for being moved to the left or for reverse rotational direction; If Δ P (H
2) negative value, expression H
2(P
1)＜H
2(P
0), Δ P (H
2) value be displacement, and sense of displacement is for moving right or for direct rotational direction.
Therefore, according to analogizing, can obtain the sense of displacement and the displacement of motion vector at other sampling range by 1 to 6 illustrative example.
Example two:
According to Fig. 3 and shown in Figure 5, the signal acquisition unit 12,13 of apparatus of the present invention can respectively use 2 Hall sensors to capture the field signal of out of phase and be converted to the electronic signal waveform; As shown in Figure 5, H
1And H
2Signal waveform respectively be each Hall sensor the continuous field signal waveform of acquisition, its waveform phase differs 90 degree.Suppose t
0, t
1With t
1 'Be the sample time of field signal, then the determination methods of displacement and sense of displacement is described as follows:
1. Δ t
1(t
0, t
1) be t
0With t
1The sample interval, Δ t
1 '(t
0, t
1 ') be t
0With t
1 'The sample interval.At Δ t
1The time, t
0The Hall sensor sampling spot respectively be H
1(P
0), H
2(P
0), t
1The Hall sensor sampling spot respectively be H
1(P
1), H
2(P
1).At Δ t
1 'The time, t
0The Hall sensor sampling spot respectively be H
1(P
0), H
2(P
0), t
1 'The Hall sensor sampling spot respectively be H
1(P
1 '), H
2(P
1 ').
2. suppose Δ P=P
1-P
0, then each Hall sensor is at Δ t
1Sampling difference in time respectively is P (H
1)=H
1(P
1)-H
1(P
0) and Δ P (H
2)=H
2(P
1)-H
2(P
0).
3. suppose Δ P=P
1 '-P
0, then each Hall sensor is at Δ t
1 'Getting in the time answers difference respectively to be Δ P (H
1)=H
1(P
1 ')-H
1(P
0), Δ P (H
2)=H
2(P
1 ')-H
2(P
0).
4. suppose function Δ Min=min (Δ P (H
1), Δ P (H
2))=Δ P (H
x), x=[1 wherein, 2]; Δ Mi n=Δ P (H
x) represent 2 minimum sample signal differences (linear relatively poor sampled signal difference) among the Hall sensor, its value can be used for as the auxiliary judgment condition of sense of displacement.
5. be example with Fig. 5, can learn Δ Min=Δ P (H
1), so Δ P (H
1) value can be used for judging the direction of displacement, and Δ P (H
2) value can be used for displacement as displacement; By shown in Figure 5, H
1The value of signal waveform＞0, and Δ Min=Δ P (H
1), so, if Δ P (H
2)=H
2(P
1 ')-H
2(P
0)＞0 o'clock represents sense of displacement for being moved to the left (or being reverse rotational direction); If Δ P (H
2)=H
2(P
1)-H
2(P
0)＜0 o'clock, representing sense of displacement is move right (or being direct rotational direction).
Similarly, according to above-mentioned 1 to 5 illustrative example, we can analogize the determination methods at the sense of displacement and the displacement of other sampling range.
Effect of the present invention:
According to technology contents of the present invention, can have following effect:
1. the present invention can be used as a kind of pointer device of roller type, also can be as the displacement on plane Vector detection device, range of application are extremely wide.
2. the present invention uses the operation-interface of a roller assembly as the pointer device, and the user can operate moving and point selection function of pointer device with finger, operates easier to be rapid.
3. the present invention uses the field signal generation device of permanent magnet as displacement, has low material cost and material and obtains easy advantage.
4. the present invention uses the field signal generation device of permanent magnet as displacement, and the noise of external environment condition is stablized and be not vulnerable to field signal, can significantly improve degree of stability, degree of accuracy and the resolution of device.
Cooperate the manufacturing technology of electronic component now, the big I of the volume of related elements is adjusted according to applied field cooperation appropriateness, so range of application is extremely wide, can contain each information product now.
Claims (11)
1, a kind of motion vector capture device is applied to the displacement control of pointer device, it is characterized in that described including:
One cylinder is in order to control the pointer in the screen;
One main basal base in order to carrying this cylinder, and has a field signal (A) acquisition circuit module;
One gear unit, with so that this cylinder can translation and rotation on this main basal base, include at least one field signal (A) generation module, and the rotation synchronization action of this field signal (A) generation module and this cylinder, and a field signal A that will produce is sent to this field signal (A) acquisition circuit module.
2, motion vector capture device according to claim 1, wherein this field signal (A) acquisition circuit module comprises plural Hall sensor at least.
3, motion vector capture device according to claim 1, wherein this field signal (A) acquisition circuit module comprises three Hall sensors.
4, motion vector capture device according to claim 1, wherein this field signal (A) acquisition circuit module is parallel with this field signal (A) generation module.
5, motion vector capture device according to claim 1, wherein this main basal base more disposes a signal processing unit, reaches a microprocessor.
6, motion vector capture device according to claim 1, wherein this gear unit more comprises a subbase seat so that this cylinder can translation on this main basal base.
7, motion vector capture device according to claim 6, wherein the bottom of this subbase seat disposes a field signal (B) generation module.
8, motion vector capture device according to claim 6, the position configuration of this wherein relative with this field signal (B) generation module main basal base has a field signal (B) acquisition circuit module, be parallel, in order to receive a field signal B who produces when this field signal (B) generation module moves with this field signal (B) generation module.
9, motion vector capture device according to claim 1, wherein this gear unit more comprises to eat and closes wheels, is to rotate synchronously during translation on this main basal base at this cylinder.
10, motion vector capture device according to claim 9, wherein the bottom of this subbase seat disposes a field signal (C) generation module.
11, motion vector capture device according to claim 9, the position configuration of this wherein relative with this field signal (C) generation module main basal base has a field signal (C) acquisition circuit module, be parallel, in order to receive a field signal C who produces when this field signal (C) generation module moves with this field signal (C) generation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100482797A CN100342316C (en) | 2004-06-14 | 2004-06-14 | Displacement vector pick up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100482797A CN100342316C (en) | 2004-06-14 | 2004-06-14 | Displacement vector pick up device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1716282A true CN1716282A (en) | 2006-01-04 |
| CN100342316C CN100342316C (en) | 2007-10-10 |
Family
ID=35822100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100482797A Expired - Fee Related CN100342316C (en) | 2004-06-14 | 2004-06-14 | Displacement vector pick up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100342316C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986917A (en) * | 2016-06-13 | 2020-04-10 | 原相科技股份有限公司 | Track sensing system and track sensing method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5706026A (en) * | 1993-01-25 | 1998-01-06 | Kent; Robert Hormann | Finger operated digital input device |
| JPH103351A (en) * | 1996-06-17 | 1998-01-06 | Atsushi Shibata | Magnetodynamic mouse |
| CN1213798A (en) * | 1997-10-06 | 1999-04-14 | 叶富国 | Sensitive testing mechanism of mouse |
| JP2001154799A (en) * | 1999-11-30 | 2001-06-08 | Fujitsu Takamisawa Component Ltd | Pointing device |
| US6483294B1 (en) * | 2000-02-24 | 2002-11-19 | Nokia Mobile Phones Ltd. | Transducer featuring magnetic rotor concentrically arranged in relation to multi-phase coil |
| CN1147981C (en) * | 2001-09-10 | 2004-04-28 | 建碁股份有限公司 | Electronic equipment with power generator |
-
2004
- 2004-06-14 CN CNB2004100482797A patent/CN100342316C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986917A (en) * | 2016-06-13 | 2020-04-10 | 原相科技股份有限公司 | Track sensing system and track sensing method thereof |
| CN110986917B (en) * | 2016-06-13 | 2021-10-01 | 原相科技股份有限公司 | Track sensing system and track sensing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100342316C (en) | 2007-10-10 |
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Granted publication date: 20071010 Termination date: 20130614 |