CN102109913B - Controller pointer positioning method based on composite MEMS sensor and controller - Google Patents
Controller pointer positioning method based on composite MEMS sensor and controller Download PDFInfo
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Abstract
The invention relates to a controller pointer positioning method based on a composite MEMS sensor and a controller, and relates to the technical field of wireless sensing control. The controller includes a USB receiver and a controller body; the controller body includes a singlechip, as well as an MEMS sensor, an RF circuit, an EEPROM and keys, which are connected with the singlechip; and the controller is characterized in that the MEMS sensor is a composite MEMS sensor and includes an acceleration sensor and a gyroscope, wherein the acceleration sensor is a triaxial acceleration sensor, the gyroscope is a biaxial gyroscope or a combination of two orthogonal homotaxial gyroscopes, the acceleration sensor and the gyroscope are connected with the singlechip through an A/D converter, the acceleration sensor is used for measuring the linear acceleration of the controller body, and the gyroscope is used for measuring the angular speed of the controller body. The invention solves the problems that a single MEMS sensor is incapable of omnibearing control at any angle, is not flexible to use, and is highly limited; the 360-dregree control is realized; the use is smooth and comfortable; and the operation becomes more freely and flexibly.
Description
Technical field
The present invention relates to wireless sensing control technology field, particularly relate to the controller pointer localization method that includes the MEMS sensor and the improvement aspect of controller.
Background technology
At present, along with the fast development of computing machine peripheral equipment, and the continuous fashion element of pursuing of people, nowadays single mouse and demonstration controller are can not satisfy people's work needs and adventure in daily life fully.Present desktop mouse and wireless mouse depend on the restriction of desktop, or special texture object surfaces, could work normally.Some track ball mouses are also arranged, but will stir trace ball, the pen travel underaction when using.The development of MEMS sensor and maturation have been injected new vitality for the controller field, some sensor mouses occurred, and mouse " has been flown " finally.But this type mouse or controller are single acceleration transducer or gyroscope to be made, and result of use is unsatisfactory, and pen travel speed is slow, and the operation underaction is not accepted by the consumer and the market approval.
In the office user, existed one type of specific group; Like teacher, speechmaker, start-up, occupation manager etc.; They often can be equipped with notebook computer with oneself, and the arrival meeting is connected to computer on the projector behind the scene, opens own meticulous ready PowerPoint document.After speech beginning, need click the mouse or keyboard carries out the page turn over operation of PowerPoint, also to explain off the reel simultaneously.The demonstration controller is indispensable professional tool, but will operate the demonstration controller, and control computer mouse again is the thing of a trouble really sometimes.
For the huge computer user of quantity, also do not have a kind of multifunctional controller, can realize mouse function, can realize demonstrating controller again, can also play games controller.A tractor serves several purposes will be the development in future direction, also will bring huge facility for our work and life.
Summary of the invention
In sum, order of the present invention is mainly to be to use the interface requirement high to conventional mouse, and sensor mouse pen travel speed is slow, the problem of operation underaction, and controller pointer localization method and the controller based on composite MEMS (Micro-electromechanical System) sensor proposed.
The method scheme that solves the problem employing that proposes is: a kind of controller pointer localization method based on composite MEMS (Micro-electromechanical System) sensor, and it is characterized in that: this pointer localization method may further comprise the steps:
A) gyroscope of single-chip microcomputer reading pre-stored in EEPROM and the parameter of acceleration transducer start acceleration transducer and gyroscope;
B) the The software adopted loop structure of single-chip microcomputer, each cycle period is gathered primary acceleration and is passed device and gyrostatic data, and the acceleration biography device and the gyrostatic data that collect are filtered, and removes burr, and the value storage that draws is in the RAM of single-chip microcomputer;
C) pass device and gyroscope parameter and combine current environmental temperature according to the acceleration among the EEPROM, acceleration biography device and gyrostatic data are carried out temperature compensation, and when the controller body remains static, upgrade gyrostatic static output valve;
D) data that gyroscope collected and gyrostatic static output valve are subtracted each other and the result are carried out smoothing processing, draw current pointer with respect to the first step displacement size and Orientation value of controller body at surface level;
E) single-chip microcomputer is according to three output valves of acceleration transducer; Calculate the controller body relatively and the angle of inclination of surface level; And the first step displacement size and Orientation value that gyroscope calculates revised, draw the controller body relatively and the actual displacement numerical value and the direction value of surface level;
F) will draw the controller body and relatively send to the USB receiver with the actual displacement numerical value of surface level and the information of direction value, the USB receiver passes to computing machine at last to carry out pointer and locatees.
The device that solves the problem employing that proposes is: based on the controller of composite MEMS (Micro-electromechanical System) sensor; Comprise: USB receiver and controller body; Described controller body includes: single-chip microcomputer and the MEMS sensor, RF circuit, EEPROM and the button that are connected with single-chip microcomputer; It is characterized in that: described MEMS sensor is a composite MEMS (Micro-electromechanical System) sensor, includes: acceleration transducer and gyroscope, described acceleration transducer are three acceleration transducer; Described gyroscope is gyroscope or two vertical each other single axis gyroscope combinations of placing of a diaxon; Described acceleration transducer is connected with single-chip microcomputer through A/D converter with gyroscope; Acceleration transducer is used for measuring the linearity acceleration of controller body, and gyroscope is used for measuring the angular velocity of controller body.
This is installed further improved technical scheme includes:
What described acceleration transducer adopted is that model is: Freescale MMA7361L.
What described gyroscope adopted is that two models are: the single axis gyroscope of EPSON XV-3500CB, and one of them horizontal positioned, another is vertically placed.
The single-chip microcomputer of described controller body is 16 single-chip microcomputers of NEC, and model is: UPD78F1146.
Said EEPROM model is: 93C46, the address of the initialization data of responsible store M EMS sensor and the radio communication of the RF chip in the RF circuit.
Described USB receiver adopts nRF24LU1 single chip radio frequency chip.
The RF chip of described RF circuit adopts the 24L01 radio frequency chip, is responsible for the control signal and the data of single-chip microcomputer are sent to the USB receiver.
Described button comprises: left button, right button, last key, middle key, following key, function shortcut and Laser emission key; Left button replaces the Left soft key of conventional mouse; Right button replaces the conventional mouse Right soft key, the roller of last key and following key replacement conventional mouse, and middle key replaces the middle function key of conventional mouse; Also be provided with laser emission part on the controller, the Laser emission key connects the Push And Release of control laser emission part.
Described controller body and USB receiver are for automatically to coding mode.
Beneficial effect of the present invention is: three acceleration transducer is compared with traditional single MEMS sensor that has only with the compound MEMS compound sensor of the single axis gyroscope combination of the gyroscope of diaxon or two mutual vertical placements, and essential lifting has been arranged, and having solved single MEMS sensor can't be comprehensive; Arbitrarily angled control; Use underaction, have the problem of significant limitation, realize 360 degree controls; Use smoothness comfortable, operate freedom and flexibility more.The USB receiver adopts nRF24LU1 single chip radio frequency chip, and collection MCU, USB, RF are one, have simplified circuit greatly, and have dwindled the volume of receiver.EEPROM selects 93C46 for use, is used for the address of radio communication of initialization data and the RF chip of store M EMS sensor, realizes automatically to sign indicating number, need not artificially to sign indicating number, can save the sign indicating number button.Acceleration transducer adopts Freescale MMA7361L.This minisize condenser type acceleration sensor has merged signal condition, single pole low-pass filter and technique for temperature compensation.Gyroscope adopts EPSONXV-3500CB, and is based on the unique QMEMS technology of EPSON, different with the gyro sensor based on silicon technology common on the market; Be to adopt quartz crystal to design, the encapsulation of SMD5.0*3.2mm small size, so; In stability, temperature is floated the aspect and is all had superiority.Function in conjunction with generating laser and keypad function shortcut; Can be the user when using multiple multimedia teaching such as Word/Excel/Powerpoint/HTML, provide with speech bigger flexibly, convenience; When fully representing speaker individual elegance, also can let your speech give lessons more vivid.
Description of drawings
The circuit theory diagrams of Fig. 1 USB receiver part of the present invention;
Fig. 2 circuit controller body of the present invention circuit theory diagrams;
Fig. 3 block diagram of the present invention;
The principle schematic of Fig. 4 USB receiver part of the present invention;
The structural representation of Fig. 5 controller body part of the present invention;
The acceleration transducer inner structure synoptic diagram that Fig. 6 the present invention is adopted;
Fig. 7 acceleration transducer principle schematic;
Press-key structure block scheme on Fig. 8 controller body of the present invention;
Fig. 9 controller body of the present invention workflow diagram;
This bulk charging of Figure 10 controller of the present invention synoptic diagram;
Figure 11 the present invention realizes automatically to the sign indicating number software flow pattern.
Embodiment
Below in conjunction with accompanying drawing and embodiment concrete structure of the present invention is done explanation further:
Shown in Fig. 3, the present invention mainly comprises two parts: USB receiver and controller body.During use, the USB receiver is inserted the computing machine USB interface, and set up wireless logical line between the controller body and is connected, the 2.4GHz frequency is adopted in its communication, but 10 meters opereating specifications, can 360 degree receptions, non-directional.
Shown in Fig. 1, Fig. 4, the USB receiver adopts nRF24LU1 single chip radio frequency chip, integrates MCU, USB, 2.4G wireless receiving and dispatching, has simplified circuit greatly, can be accommodated in the controller body, is convenient for carrying, and is difficult for losing.
Shown in Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 8, the controller body includes: single-chip microcomputer, MEMS sensor, RF circuit, EEPROM, button and generating laser.Single-chip microcomputer selects for use NEC high-performance 16 to be single-chip microcomputer, and model is UPD78F1146, is responsible for the collection and the control and treatment of data, and its ROM is 256KB, and RAM is 12KB.The MEMS sensor is made up of the gyroscope of one three acceleration transducer and two single shafts.
Acceleration transducer is used for the linear acceleration of Measuring Object, and acceleration transducer adopts Freescale MMA7361L in the present embodiment.This minisize condenser type acceleration sensor has merged signal condition, single pole low-pass filter and technique for temperature compensation, and measurement range is positive and negative 1.5g～6g, 1g=9.8m/s.There is the gear of two measurement ranges to select on the acceleration transducer.The acceleration range of a low acceleration gear is 1.5g, and sensitivity is 800mv/g; The acceleration range of another high acceleration gear is 6g, and sensitivity is 206mv/g.Under normal (non-sleep) situation, 3.0V power supply, the aanalogvoltage of output x, y, z.Principle essence is the capacity plate antenna of two elasticity spacings, changes spacing and promptly changes electric capacity, thereby change output voltage.Acceleration is relevant with the change in electrical charge on the electric capacity flat board.In other words, acceleration is relevant with the situation of change of output voltage, and with output voltage show location status irrelevant (irrelevant) with the initial capacitance of capacity plate antenna.So the measurement of acceleration must be subtracted each other with the initial output voltage of real-time output voltage and the fixing back of sensing station, just can obtain correct net result.
Gyroscope has another name called angular-rate sensor, is used for the angular velocity of Measuring Object.Adopt the gyroscope of EPSON XV-3500CB in the present embodiment, different based on the unique QMEMS technology of EPSON with gyro sensor common on the market based on silicon technology, be to adopt quartz crystal to design, the encapsulation of SMD5.0*3.2mm small size.So in stability, temperature is floated the aspect and is all had superiority.
Because of the movement locus of pointer on display is a two-dimensional plane, promptly Y axle and X axle so need the gyroscope of twin shaft, just can calculate the numerical value of these two axles.Dual spindle gyroscopes is encapsulated in two axles in the chip, and single axis gyroscope can only be exported the numerical value of an axle.
Model is that the gyroscope of XV-3500CB is the gyroscope of a single shaft; Therefore need use two single axis gyroscope combinations to use in the present embodiment,, need a chip level to place with respect to the surface level of controller body; Another chip is vertically placed; Just can obtain the coordinate of pointer, i.e. X, the value of Y.
The gyrostatic signal output part of acceleration transducer and two single shafts is connected with one of them input end of signal of A/D converter respectively; The A/D converter data output end is connected with the data-interface of single-chip microcomputer; The model of A/D converter is: MAX147BE; A/D converter is used for converting the analogue value that the gyroscope that collects and acceleration transducer are exported to 12 Accuracy Figure values, supplies single-chip microcomputer to handle.
User's arm in using the controller process can produce certain angular velocity; Gyrostatic output valve also can respective change; The data conversion that single-chip microcomputer collects A/D converter becomes corresponding displacement variable, and acceleration transducer is proofreaied and correct gyrostatic output according to the attitude in space.The angle that gyroscope can only be measured with respect to plane, controller place changes, rather than the angle of surface level changes relative to the earth, so when the controller body has certain inclination angle to use with respect to the earth surface level, can't obtain correct coordinate figure.And the ratio of precision of acceleration transducer is relatively poor, and can not distinguish static acceleration and dynamic acceleration, so also can't singly realize accurate localization with it.Have only both to be used in combination, could obtain good effect.Traditional controller has only single MEMS sensor, thus can't be comprehensive, and arbitrarily angled control uses underaction, has significant limitation.After adopting this composite MEMS (Micro-electromechanical System) sensor, can bring brand-new impression and experience, have the freedom of the accuracy and the air mouse of desktop mouse to the user.
The RF circuit adopts the 24L01 radio frequency chip, and the RF circuit connects single-chip microcomputer, is responsible for the control signal and the data of single-chip microcomputer are sent, so that the USB receiver receives data.
The EEPROM model is: 93C46, EEPROM is connected with single-chip microcomputer, the address of the initialization data of responsible store M EMS sensor and the radio communication of the RF chip in the RF circuit.
The button that connects single-chip microcomputer comprises: left button, right button, last key, middle key, following key, function shortcut and Laser emission key; Left button replaces the Left soft key of conventional mouse; Right button replaces the conventional mouse Right soft key; The roller of last key and following key replacement conventional mouse, middle key replaces the middle function key of conventional mouse, can realize all keypress functions of mouse.
Because the USB receiver adopts USB equipment complex agreement, can realize the identification of mouse and keyboard simultaneously.According to actual needs can be at the function shortcut of controller body increase; Like Page Up, Page Down, ESC, F5, Media Center; Make the user through in the pointer control computer interface, also can the selection function shortcut, more convenient like this practicality.For example the user when needing to play the PowerPoint document automatically, can click F5 easily when meeting is given a lecture, and just can realize the purpose of playing automatically.Esc is an ESC Escape.Page Up, Page Down are upwards page turning, downward turnover key.Under operating systems such as Vista and windows7, can use this button of Media, can this interface of one-touch entering Media Center, see a film easily, listen to the music, browsing pictures etc., easily enjoy the multimedia digital life.Simultaneously also can be according to the quiet key of client's increase in demand, loud minor adjustment key, numerical character key etc.
Be widely used in numerous occasions such as computer operation, product demonstration, teaching, commercial affairs speech, commercial affairs training, meeting; Be that computer user, teacher, sale assistant director, Marketing Communication, human resources, professional manager carry out computer operation, the teaching of giving a lecture, give lessons, requisite multifunctional controller.The user only needs in ten meters scopes of distance calculation, but just wireless remote control computing machine.Function in conjunction with generating laser and keypad function shortcut; Can be the user when using multiple multimedia teaching such as Word/Excel/Powerpoint/HTML, provide with speech bigger flexibly, convenience; Under the occasion of speech, demonstration, cooperate the use of projector, the user needn't be confined to by the computing machine; Can be dissolved in the middle of the meeting-place, go about.When fully representing speaker individual elegance, also can let your speech give lessons more vivid.The PC of containing at ordinary times uses, and PC amusement, multimedia, plays, browses functions such as photo, surfing on the net.
Generating laser is installed in the front end of controller body, can select redness or blue laser emitting module for use, by it light/extinguish of a Laser emission key control, will grow when in use and pin CS, and laser lamp is just bright; When unclamping, laser lamp just extinguishes.
Before the use, opening controller body power switch, pilot lamp is bright, gets into duty.
Shown in Fig. 9, workflow of the present invention is following:
The first step, initialization (software and hardware).The parameter of the sensor of this step reading pre-stored in EEPROM, the address of radio communication, and the parameter that program is used given the initialization of initial value and single-chip microcomputer internal hardware.In addition, also, start acceleration transducer and gyroscope, make them get into duty through the pin control of single-chip microcomputer.
In second step, start the numerical value that A/D converter is gathered acceleration transducer and gyroscopic instrument.This step is through starting A/D converter, and the analogue value of exporting gyroscope and acceleration transducer converts 12 Accuracy Figure values to, supplies the single-chip microcomputer processing.
The 3rd step, filtering.The numerical value that single-chip microcomputer is gathered A/D converter filters, and removes burr, to obtain the most accurate numerical value.
In the 4th step, the reference value of gyroscopic instrument and acceleration transducer is carried out temperature compensation.Because the individual difference that gyrostatic output valve exists and the factor of temperature drift; Therefore need to exist among the EEPROM demarcating good parameter in advance; When calculating according to Current Temperatures; Output valve to gyroscope and acceleration transducer is carried out temperature compensation, draws the benchmark of revised reference value as the back computing.
In the 5th step, judge whether controller is static, if static then carry out the renewal of gyroscope reference value.Judge controller according to the variation of gyrostatic output data and whether remain static, if static then upgrade gyrostatic reference value.If judge it is static, then directly get into button and detect, when having detected button (removing the Laser emission key) action message, single-chip microcomputer reports the receiver module of USB receiver through the RF circuit, if during nonstatic, then gets into next step.
In the 6th step, the output numerical value of gyroscopic instrument subtracts each other with its static output valve.Handle earlier gyrostatic data, the data that collect and gyrostatic static output valve are subtracted each other and the result is carried out smoothing processing, thereby draw the displacement size and Orientation of current pointer with respect to the surface level of controller body.
The 7th step, according to the size of subtracting each other the result, divide different intervally, the result is carried out the convergent-divergent of different ratios, to draw more level and smooth displacement numerical value.
In the 8th step, the data of the acceleration of gathering according to A/D converter are calculated the angle that the controller body favours surface level.In the actual mechanical process to the controller body, because the posture held is indefinite, so the surface level of product and the earth of getting along well are parallel, but the different angle that tilts.Use in order to make controller be not limited to level conditions, added acceleration transducer, form the composite MEMS (Micro-electromechanical System) sensor structure.Through measuring three output valves that acceleration passes device, can calculate under the situation of normal use controller, controller is relatively and the angle of inclination of the earth.
The 9th step, according to the angle that product tilts, carry out the correction of coordinate system, project to the detected shift value of gyroscope on the plane at the earth place, thereby draw controller body accurate displacement numerical value with respect to the horizontal plane.Guarantee no matter controller moves horizontally, be displaced sideways or overturning and mobilely can both draw correct direction of motion and the numerical value that moves.
In the tenth step, button detects.Detect button and whether be pressed or unclamp, if having then freeze displacement numerical value (during be zero for the report shift value) a period of time always, to filter out the wrong shift value that causes the generation of controller body moving surface because of actuation of keys.Adopted the round-robin structure on the software, each cycle period is gathered primary acceleration sensor and gyrostatic data.If be not pressed or unclamp, the single-chip microcomputer controller body shift value that draws preceding step then is through serial line interface; Send to the RF chip; Report the receiver module of USB receiver through the RF circuit, the USB receiver is uploaded to computer or connected equipment through USB interface.
With reference to shown in Figure 10, the computing machine USB interface provides 5V, the 500mA direct supply, and wherein two is power lead, two is data line in addition.Controller adopts the 3.7V rechargeable battery, and the band charge protector is so can charge to it with the 5V direct supply that computing machine provides.This product only need be equipped with a usb data line like this, does not need extra charger.
Shown in Figure 11, the present invention adopts automatically to coding mode, so do not need artificial to sign indicating number.Support plug and play, need not driver.In the common wireless mouse or the demonstration controller, the user need carry out the operation to sign indicating number before using for the first time, and is more convenient for what let the user use, simultaneously also for convenient for production, this product design automatically once to the function of sign indicating number.During production, only need to plug the computing machine USB interface to the USB receiver, open the power supply of controller main body then, just can be automatically to last sign indicating number, the while easy to use has also saved the sign indicating number button.
The USB receiver is plugged main frame, after the completion enumeration operation, whether can detect oneself to the sign indicating number success, if do not have, then gets into pattern, launches the reservation address and monitors.Also whether detection was successful to sign indicating number after the controller body powered on, if do not have, then launched and reserved the address, got into pattern.In to pattern, the controller body sends the sign indicating number order, and sends the address that generates 40 at random together.Receiver module is received after the sign indicating number order, launches 40 bit address of receiving, monitors again.The controller body successfully sends behind sign indicating number order and the address, sends once more sign indicating number affirmation order through oneself generating 40 bit address again.The USB receiver is received after the sign indicating number affirmation order, is formally preserved and reinstate new address.The controller body successfully sends after the sign indicating number affirmation order, also preserves and reinstate new address, accomplishes automatically to sign indicating number thus.
Claims (10)
1. controller pointer localization method based on composite MEMS (Micro-electromechanical System) sensor; It is characterized in that: based on the controller of composite MEMS (Micro-electromechanical System) sensor; Comprise: USB receiver and controller body, described controller body includes: single-chip microcomputer and the MEMS sensor, RF circuit, EEPROM and the button that are connected with single-chip microcomputer, described MEMS sensor is a composite MEMS (Micro-electromechanical System) sensor; Include: acceleration transducer and gyroscope, described acceleration transducer are three acceleration transducer; Described gyroscope is gyroscope or two vertical each other single axis gyroscope combinations of placing of a diaxon; Described acceleration transducer is connected with single-chip microcomputer through A/D converter with gyroscope; Acceleration transducer is used for measuring the linearity acceleration of controller body, and gyroscope is used for measuring the angular velocity of controller body; This pointer localization method may further comprise the steps:
The gyroscope of single-chip microcomputer reading pre-stored in EEPROM and the parameter of acceleration transducer start acceleration transducer and gyroscope;
The The software adopted loop structure of single-chip microcomputer, each cycle period is gathered primary acceleration sensor and gyrostatic data, and the acceleration transducer and the gyrostatic data that collect are filtered, and removes burr, and the value storage that draws is in the RAM of single-chip microcomputer;
According to acceleration transducer among the EEPROM and gyroscope parameter and combine current environmental temperature, acceleration transducer and gyrostatic data are carried out temperature compensation, and when the controller body remains static, upgrade gyrostatic static output valve;
Data that gyroscope is collected and gyrostatic static output valve are subtracted each other and the result are carried out smoothing processing, draw current pointer with respect to the first step displacement size and Orientation value of controller body at surface level;
Single-chip microcomputer is according to three output valves of acceleration transducer; Calculate controller body angle of inclination with respect to the horizontal plane; And the first step displacement size and Orientation value that gyroscope calculates revised, draw controller body actual displacement numerical value and direction value with respect to the horizontal plane;
Send to the USB receiver with drawing controller body actual displacement numerical value and the information of direction value with respect to the horizontal plane, the USB receiver passes to computing machine at last and carries out the pointer location.
2. realize the controller based on composite MEMS (Micro-electromechanical System) sensor of the said method of claim 1; Comprise: USB receiver and controller body; Described controller body includes: single-chip microcomputer and the MEMS sensor, RF circuit, EEPROM and the button that are connected with single-chip microcomputer; It is characterized in that: described MEMS sensor is a composite MEMS (Micro-electromechanical System) sensor, includes: acceleration transducer and gyroscope, described acceleration transducer are three acceleration transducer; Described gyroscope is gyroscope or two vertical each other single axis gyroscope combinations of placing of a diaxon; Described acceleration transducer is connected with single-chip microcomputer through A/D converter with gyroscope; Acceleration transducer is used for measuring the linearity acceleration of controller body, and gyroscope is used for measuring the angular velocity of controller body.
3. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2 is characterized in that: what described acceleration transducer adopted is that model is: Freescale MMA7361L.
4. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2; It is characterized in that: when described gyroscope is that what described gyroscope adopted was that two models are: the single axis gyroscope of EPSON XV-3500CB when two the single axis gyroscopes of vertical placement made up each other.
5. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2 is characterized in that: the single-chip microcomputer of described controller body is 16 single-chip microcomputers of NEC, and model is: UPD78F1146.
6. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2 is characterized in that: said EEPROM model is: 93C46, the address of the initialization data of responsible store M EMS sensor and the radio communication of the RF chip in the RF circuit.
7. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2 is characterized in that: described USB receiver adopts nRF24LU1 single chip radio frequency chip.
8. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2 is characterized in that: the RF chip of described RF circuit adopts the 24L01 radio frequency chip, and the communication of being responsible for setting up between USB receiver and the controller body connects.
9. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2; It is characterized in that: also include a generating laser in the described controller body; Described button comprises: left button, right button, last key, middle key, following key, function shortcut and Laser emission key, and left button replaces the Left soft key of conventional mouse, and right button replaces the conventional mouse Right soft key; The roller of last key and following key replacement conventional mouse; Middle key replaces the middle function key of conventional mouse, also is provided with laser emission part on the controller, and the Laser emission key connects the Push And Release of control laser emission part.
10. the controller based on composite MEMS (Micro-electromechanical System) sensor according to claim 2 is characterized in that: described controller body and USB receiver are for automatically to coding mode.
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| CN2009101893900A CN102109913B (en) | 2009-12-29 | 2009-12-29 | Controller pointer positioning method based on composite MEMS sensor and controller |
| DE202010010850U DE202010010850U1 (en) | 2009-12-29 | 2010-07-30 | MEMS sensor |
| HK10107326.8A HK1149172A2 (en) | 2009-12-29 | 2010-08-02 | A mems sensor |
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|---|---|---|---|---|
| CN1598751A (en) * | 2004-07-27 | 2005-03-23 | 天津大学 | Control method for gradient induction mouse |
| CN2745115Y (en) * | 2004-12-01 | 2005-12-07 | 美新半导体（无锡）有限公司 | Multifunctional input control device |
| CN101561709A (en) * | 2009-05-11 | 2009-10-21 | 杨杰 | Method and device for controlling computer |
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2009
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1598751A (en) * | 2004-07-27 | 2005-03-23 | 天津大学 | Control method for gradient induction mouse |
| CN2745115Y (en) * | 2004-12-01 | 2005-12-07 | 美新半导体（无锡）有限公司 | Multifunctional input control device |
| CN101561709A (en) * | 2009-05-11 | 2009-10-21 | 杨杰 | Method and device for controlling computer |
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| CN102109913A (en) | 2011-06-29 |
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