CN102023731A - Wireless tiny finger-ring mouse suitable for mobile terminal - Google Patents
Wireless tiny finger-ring mouse suitable for mobile terminal Download PDFInfo
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Abstract
The invention relates to a wireless tiny finger-ring mouse suitable for a mobile terminal, which has the advantages of small size and wireless transmission. The mouse controls a cursor to move by utilizing the inclination angle and the direction change of a finger and can be universal to any mobile terminal with an external data interface. The mouse comprises a wearing terminal on the finger and an adapter inserted on a data interface of the mobile terminal, wherein the wearing terminal is internally provided with a three-axis action sensor. In the mouse, three-axis real-time acceleration information output by the three-axis action sensor is divided into dynamic acceleration information caused by movement and static acceleration information caused by inclination; the dynamic acceleration information caused by movement is filtered out, and only the static acceleration information is used as input to determine the inclination angle and the direction change of the finger; and the nonlinear conversion from the acceleration information to displacement information is realized through a nonlinear conversion algorithm on the basis of a conversion formula of the acceleration and the displacement.
Description
Technical field
The present invention relates to a kind of portable terminal mouse, especially refer to utilize the variation of pointing angle of inclination and direction to control cursor and move, can be common to any portable terminal with outbound data interface by wireless transmission method, volume is small, wears the radio micro finger ring mouse on finger.
Background technology
Portable terminal is commonly referred to as the mobile portable terminal device, comprises smart mobile phone, MP3/MP4 player, handheld device (PSP), palm PC (PDA), panel computer etc.At present, general forcing with keyboard, roller or touch manner rolling mouse pointer on screen on the portable terminal also do not occur on market for portable terminal is equipped with special mouse.Along with the develop rapidly of network service and electronics technology, the function of portable terminal is more and more diversified, and the portable terminal that has is integrated camera, projector etc. are rich functions more, and multiple peripheral interface (as USB) is provided.Enhancing functional at full speed along with portable terminal, its following range of application will sharply be expanded to more industry and field, only depend on button and touch-screen can not satisfy application, need demand that cursor moves with increasing, therefore, for being equipped with a mouse small and exquisite, flexible, easy to use, portable terminal is necessary.
Known mouse designs for PC, is divided into wired and wireless two kinds.Though wireless mouse has been broken away from the restriction of transmission line, but still the problem that exists is: adopt optical principle, need seek a fixing smooth place during use and place and rolling mouse, when the space during limited or put area out-of-flatness, the use inconvenience of mouse, and influence cursor positioning; Volume is bigger, and weight is heavier, should not carry.Also have a kind of uncommon wireless mouse, adopt the touch pad mode, the mode that moves on touch pad by finger realizes that mouse pointer moves.Based on above dual mode, the wireless mouse that can be worn on the finger is also arranged, because it realizes that principle is consistent with conventional mouse, therefore do not break away from the problem of conventional mouse yet: the finger mouse of employing optical principle still needs a fixing smooth place to place and move when using, adopt the finger mouse of touch pad mode on the touch pad of very low range, to realize moving of cursor by touching, be difficult for using, and volume is still bigger, is not extensively promoted.
In addition, in the wireless mouse of PC, except that the above optical mouse, touch two kinds of the mouses, also have a kind of mouse that utilizes three action sensors, its ultimate principle is to utilize three action sensors to gather action message, is converted to displacement information, the calculating cursor moves, specifically, as it being worn on finger, be to gather dynamic acceleration information record finger on certain direction, to move the acceleration that produces.But the acceleration information that produces is accurate inadequately by moving, and this is that and mild at the moving process medium velocity, acceleration information is very little because the instantaneous acceleration that finger moves is bigger, and moving of cursor is accurate inadequately.
Summary of the invention
In order to cooperate portable, the flexible nature of portable terminal, overcome the above deficiency of existing mouse, the invention provides a kind of radio micro finger ring mouse, this mouse adopts wireless mode and communication of mobile terminal, miniature finger ring is worn on the finger, by the finger that tilts, change the vergence direction and the angle of finger, not by any body surface, also need not by touch pad, just can control cursor and move.Specifically use changes the moving direction of the vergence direction control cursor of finger, changes the translational speed of the angle of inclination control cursor of finger; Described finger vergence direction is divided into front and back and left and right sides four direction, four moving directions all around of cursor on the corresponding respectively control mobile terminal screen; Described finger angle of inclination is the size of the amplitude that tilts at aforementioned four vergence directions, the speed that the control cursor moves up the counterparty.
This mouse comprises two separated portions on contour structures, that is: band wearing terminal and being inserted in adapter on the mobile terminal data interface on finger.Wear between terminal and the adapter and adopt communication, the information transmission of wearing between terminal and adapter is two-way, comprise two parts, be respectively by wearing cursor displacement information, button and the roller information that terminal is sent to adapter, and be sent to the portable terminal keyboard input information of wearing terminal by adapter.
Wear terminal and comprise wearing and a button-shaped main body of a scalable length, wherein scalable length wear the below that is positioned at button-shaped main body, be connected as a single entity with button-shaped main body, be used for that this is worn terminal and be fixed in finger; Button-shaped body interior is placed minicell, three action sensors, control circuits is installed, is worn terminal antenna; Embed on the button-shaped main body cover roller, button and about two pilot lamp, roller and button are positioned at the side of button-shaped main body side by side, pilot lamp is positioned at the upper surface of button-shaped main body.Adapter comprises the interface and the main part of corresponding portable terminal, inner control circuit, the adapter antenna installed of main part.
The control circuit of wearing terminal is divided into main control module, induction module, I/O module, radio-frequency module.The main control module links to each other with each module, coordinates the control each several part and works in order; Induction module links to each other with three action sensors, the output of three action sensors is sampled, and sampled data is delivered to the main control module; The I/O module links to each other with button, roller, pilot lamp, presses or roller when rolling as key, and wake the main control module up actuation of keys is handled, and according to the demonstration of current state control pilot lamp; Radio-frequency module with wear terminal antenna and link to each other, the packing data that one side transmits the main control module, by wearing terminal antenna it is sent, receive the portable terminal operating state data bag that sends over from adapter on the other hand, and control work and the dormant state of wearing terminal according to the portable terminal duty.
The control circuit of adapter is divided into control module, radio-frequency module, interface module.Control module links to each other with radio-frequency module with interface module respectively, coordinates the control each several part and works in order; Radio-frequency module is connected with the adapter antenna, receives and wears the data that terminal sends over, and gives control module with data again; Control module is handled data, is translated into the mobile message of cursor, gives interface module; Interface module links to each other with the interface of corresponding portable terminal, by interface result is imported portable terminal, and the control cursor moves; Simultaneously, the control module of adapter is packaged as different packets by the real-time working state of interface module detection portable terminal with different duties, gives radio-frequency module, send it to by antenna and to wear terminal, the work and the dormant state of terminal worn in control.
The action perception principle of this mouse is: wear built-in three action sensors of terminal, its output has three groups of simulating signals, be respectively with respect to the positive horizontal positioned situation of sensing chip X (about), the real time acceleration information of Y (front and back), Z (up and down) axle; This mouse is two different pieces with described real time acceleration data separation: by moving dynamic acceleration that causes and the static acceleration that is caused by inclination; The difference of described two kinds of acceleration informations is: dynamic acceleration information can write down parallel mobile direction of finger and velocity variations by wearing the parallel mobile generation of mouse finger on certain direction; Static acceleration information is produced by the inclination of wearing the mouse finger, can write down vergence direction and angle of inclination that finger is in situ gone up.
The action perception algorithm of this mouse is: the dynamic acceleration on filtering chip X, Y, the Z axle only is input with the static acceleration, and static acceleration information is converted into the displacement information that the control cursor moves.Come the variation of perception finger angle of inclination and direction by static acceleration information, then by being solidificated in the non-linear conversion algorithm of mouse inside, be mapped as moving of mouse pointer, described non-linear conversion algorithm is realized the non-linear conversion of acceleration to displacement based on the conversion formula of acceleration and displacement.By static acceleration to the concrete operation method of cursor displacement information be: acceleration of gravity is decomposed into component on chip X, Y, Z axle, the chip X-axis is mapped as the X-axis that cursor moves, the chip Y-axis is mapped as the Y-axis that cursor moves, disregard chip Z axle, only the component by chip X, Y-axis calculates the displacement information of cursor on screen X, Y-axis.
This mouse the situation of translation also may occur pointing in the operating process that the control cursor that tilts by finger moves.For avoiding pointing translation cursor is moved the influence that causes, the filtering method of a dynamic acceleration information of design is set a decision criteria in wearing the control module of terminal, filters out dynamic acceleration information.Judgment condition is:
Wherein, a
xBe the real time acceleration on the chip X-axis, a
yBe the real time acceleration on the chip Y-axis, a
zBe the real time acceleration on the chip Z axle, g is conventional acceleration of gravity, and its value is 9.8 under the normal condition.If
Then contain dynamic acceleration information at one of chip three direction of principal axis at least, the control module of then wearing terminal is with the information filtering; If
The main control module of then wearing terminal is to a
xAnd a
ySample,,, realize the non-linear conversion of acceleration information to displacement information based on the conversion formula of acceleration and displacement by the non-linear conversion algorithm.
The terminal of wearing of this mouse is worn on the finger, following problem may occur: when need not moving cursor, because finger is movable naturally, may cause cursor unconscious moving on screen.Out of control for fear of cursor, this mouse has unlatching/dormancy mechanism, is respectively the mechanism of two independent operations, complements one another on the function, reaches the target of the controlled and save battery power of cursor.
Mechanism one: with the button of wearing terminal is the switch of startup/dormancy mechanism, presses as trigger action with long, and the radio-frequency module of wearing terminal is switched in unlatching/dormant state.By startup/dormancy mechanism, the state of terminal is worn in control, guarantees this mouse ease for use in use.Above-mentioned mechanism specifically describes and is: under the state of wearing the terminal operate as normal, by long button, wear terminal and enter dormant state, the activity of finger is no longer moved cursor and is impacted; Wearing under the terminal sleeping state, long button is worn terminal and is entered normal operating conditions, and the skew-mapped of finger is that cursor moves, but the weak point of button is pressed simultaneously, roller rolls all operate as normal.Implementation procedure is: the length that the main control module of wearing terminal detects button by the I/O module detects real-time radio-frequency module state again by state, if radio-frequency module is in opening, then closes radio-frequency module, makes the mouse dormancy; If radio-frequency module is in closed condition, then open radio-frequency module, mouse is opened.
Mechanism two: under the state of wearing the terminal operate as normal, if portable terminal need be by self button or keyboard key entry information, the mobile meeting of cursor causes the inconvenience of information input so in this case.Keyboard input state with portable terminal is a switch, has keyboard to be input as trigger action, and the radio-frequency module of wearing terminal is placed dormant state, and then the cursor of portable terminal stops to move.Implementation procedure is: the control module of adapter is by the keyboard input state of interface module monitoring portable terminal, if detect the information input arranged, then control module generation dormancy information is sent to by radio-frequency module and wears terminal, wears the main control module of terminal and closes radio-frequency module, makes the mouse dormancy.
The beneficial effect of this mouse is: for portable terminal is equipped with miniature mouse device, increase the convenience that portable terminal uses.Broken away from the requirement of conventional mouse to space and medium, by the finger that aloft tilts, just can not control cursor by any body surface and move, dirigibility is very high.Between thumb and forefinger, operate, the just energy mouse beacon pen travel of finger that only need tilt during use, simple to operation.
Description of drawings
Below in conjunction with drawings and Examples this mouse is further specified.
Fig. 1 is the block diagram of system of radio micro finger ring mouse.
Fig. 2 is the structural representation of radio micro finger ring mouse.
Fig. 3 wears terminal vergence direction synoptic diagram for radio micro finger ring mouse.
Fig. 4 wears the view of terminal for radio micro finger ring mouse startup/dormancy mechanism.
Fig. 5 is the view of radio micro finger ring mouse startup/dormancy mechanism adapter.
The non-linear conversion algorithm synoptic diagram that Fig. 6 moves for the transposition of static acceleration information.
Embodiment
Below in conjunction with accompanying drawing this mouse is further described:
See figures.1.and.2, this mouse comprises band wearing terminal (19) and being inserted in adapter (20) two parts on the portable terminal (21) on finger.Wear terminal (19) and comprise wear (23) of button-shaped main body (22) and scalable length, wherein button-shaped body interior is installed three action sensors (1), control circuit (7), is worn terminal antenna (2); Embed roller (4), button (3), left pilot lamp (5) and right indicating lamp (6) on the button-shaped main body cover, roller (4) and left button (3) are positioned at button-shaped main body (22) side side by side, and left pilot lamp (5) and right indicating lamp (6) are positioned at the upper surface of button-shaped main body (22).Control circuit (7) comprises inductor module (8), radio frequency submodule (9), I/O submodule (10) and main control module (11); Adapter (20) comprise adapter antenna (12), control circuit (13) and with the interface (14) of portable terminal.Adapter (20) and wear two-way broken line arrow (18) the expression adapter (20) between the terminal (19) and wear and carry out the bidirectional information transmission between the terminal (19).The control module of adapter (13) is by detecting the duty (as the keyboard input state) of portable terminal with the interface (14) of portable terminal, and with detected status information packing, be sent to by adapter antenna (12) and wear terminal (19), the duty of terminal (19) is worn in control.Wear terminal (19) and detect finger inclination information and mousebutton status information, and its packing is sent to adapter (20), be forwarded to portable terminal by adapter (20), the control cursor moves.When the control module (13) of adapter (20) detects portable terminal the key information input is arranged, adapter (20) should detect information package, and be sent to by adapter antenna (12) and wear terminal (19), the main control module (11) of wearing terminal (19) places dormant state with radio-frequency module (9); Wear terminal (19) and the mouse that generates is moved control information be sent to adapter (20) by wearing terminal antenna (2), the control cursor moves.
Wear terminal vergence direction synoptic diagram with reference to Fig. 3, will wear terminal by wearing of adjustable length and be fixed in right hand forefinger, X, Y, Z axle are with respect to the positive placement of chip level among the figure, and wherein Y-axis is that finger enters the direction that finger ring is buckled when wearing.X-axis is vertical with Y-axis, and when pointing when Y-axis tilts, the component of acceleration of gravity on X-axis changes, and by the non-linear conversion algorithm that is solidificated in mouse inside static acceleration is converted into displacement information, the cursor move left and right on the control screen; When the positive dirction of X-axis was rotated, cursor was moved to the left around Y-axis, and when the negative direction of X-axis was rotated, cursor moved right.In like manner, when pointing when X-axis is rotated, the component of acceleration of gravity on Y-axis changes, and when the positive dirction of Y-axis was rotated, cursor moved up, and when the negative direction of Y-axis was rotated, cursor moved down.And the amplitude that tilts in a certain direction is big more, and the absolute value of the static acceleration of this direction is just big more, and just big more by the displacement of non-linear conversion algorithm conversion gained, the cursor moving speed on the screen is fast more.
With reference to Fig. 4, wearing starting terminal/dormancy mechanism, to wear the state exchange of terminal as follows:
The main control module of wearing terminal of this mouse is monitored the duty of radio-frequency module in real time, and radio-frequency module is if be in closed condition,
I) roller rolls and button is short on time when I/O module (10) detects, and main control module (11) is not made any reaction.
Ii) when I/O module (10) detect by the bond distance by, main control module (11) is then waken radio-frequency module (9) up, enters opening.
The main control module of wearing terminal of this mouse is monitored the duty of radio-frequency module in real time, and radio-frequency module is if be in opening,
I) main control module (11) then begins to monitor the output of three action sensors (1), at first clocking picks up counting, with fixing sampling interval time control induction module (8) respectively to component output the carry out continuous sampling of gravity acceleration information on three action sensors (1) X, Y direction, after each sampling finished, the result that the main control module will be sampled was sent to radio-frequency module (9).Radio-frequency module (9) adds packet header, bag tail with this sampled data, by wearing the adapter (20) that terminal antenna (2) sends to packet this mouse.After adapter antenna (12) receives packet, send it to control module (13).Control module (13) is at first removed the packet header and the bag tail of packet, extracts sampled data, moves according to acceleration calculation bright dipping mark, and this displacement is sent to portable terminal (21) by the interface (14) with portable terminal, and the control cursor moves.
Ii) when I/O module (10) detects the roller rolling, main control module (11) sends the direction velocity information of roll expression symbol and rolling to radio-frequency module (9), send to the adapter (20) of this mouse by will roll expression symbol of radio-frequency module (9), converting thereof into the discernible rolling of portable terminal (21) by the control module (16) of adapter represents, be sent to portable terminal (21), realize the rolling operation of the page.
Iii) when I/O module (10) detect the button weak point by, similar scroll process flow process, transmission is clicked expression and is accorded with to radio-frequency module (9), to click the adapter (20) that the expression symbol sends to this mouse by radio-frequency module (9), convert thereof into by the control module (16) of adapter that portable terminal (21) is discernible clicks expression, be sent to portable terminal (21), realize the single-click operation on the cursor position.
Iv) after I/O module (10) detects button and presses,, wear terminal and enter dormant state if long pressing closed the radio-frequency module (9) of wearing terminal.
With reference to Fig. 5, the state exchange of wearing starting terminal/dormancy mechanism adapter is as follows: the interface module (15) of adapter (20) by with the keyboard state of the interface (14) of portable terminal monitoring portable terminal (21), when having monitored the keyboard typing, interface module (15) sends this information to control module (16), control module (16) generates dormancy and represents that symbol is sent to through adapter antenna (12) by radio-frequency module (17) and wear terminal (19) that the radio-frequency module (9) of wearing terminal enters dormant state; If when monitoring does not have the keyboard typing, return monitoring state, continue monitoring.
With reference to Fig. 6, the figure midplane is a cursor plane of motion on the mobile terminal screen, is designated the four direction that cursor moves up and down among the figure.By the non-linear conversion algorithm, the static acceleration of three action sensor perception is converted to displacement information on screen X, Y direction, the control cursor moves.
The static acceleration of three action sensor perception is produced by the inclination of wearing the mouse finger, the size and Orientation of the static acceleration of the corresponding control of the angle and direction of inclination perception.The inclination of finger is divided into four direction all around, respectively four moving directions up and down of corresponding one by one control cursor.The left and right directions that mouse pointer moves is an X-direction, and wherein the right side is a positive dirction, and above-below direction is a Y direction, wherein goes up to be positive dirction.When finger tilts, produce the acceleration of the positive negative direction of X-axis, when finger tilts forward and back, produce the acceleration of the positive negative direction of Y-axis.The amplitude that tilts at fixed-direction is big more, and the absolute value of the static acceleration of perception is just big more, and the translational speed of mouse on this direction is also just big more.
Be solidificated in the conversion formula of the non-linear conversion algorithm of mouse inside based on acceleration and displacement, realize the non-linear conversion of acceleration to displacement, specific implementation is as follows: the moment that begins to move with mouse was zero moment, supposed zero T constantly
0=0 mouse is zero in the translational speed and the displacement of X, Y-axis, and Δ t is a sampling interval, T
0, T
1T
N-1, T
nBe sampling instant, a
0, a
1A
N-1, a
nAcceleration for each sampling instant.According to acceleration calculation T
nThe speed constantly and the formula of displacement are: v
n=v
N-1+ a
nΔ t and
The utilization iterative algorithm can calculate T
nThe speed of moment wireless mouse on X, Y direction
With
And T
N-1To T
nThe displacement Δ S of wireless mouse on X, Y direction in time
XnWith Δ S
Yn,, just can learn T with the displacement of this displacement map mouse pointer to the screen
nThe position of mouse pointer constantly, thus the motion track of mouse pointer learnt.
The above only is a preferred embodiment of the present invention, and is non-so promptly limit to interest field of the present invention, and the equivalence that all utilizations instructions of the present invention and accompanying drawing content are done changes, and all reason is with being contained in the claim scope of the present invention.
Claims (3)
1. radio micro finger ring mouse that is applicable to portable terminal, it is characterized in that: described mouse is two separated portions, be respectively band wearing terminal and being inserted in adapter on the portable terminal on finger, the described terminal of wearing comprises wearing of a button-shaped main body and a scalable length, the described below that is positioned at button-shaped main body of wearing, be connected as a single entity with button-shaped main body, be used for being around in finger wearing end ring; Embed a button, a roller, two pilot lamp on the described button-shaped main body cover, button and roller are positioned at button-shaped main body side side by side, and pilot lamp is positioned at the upper surface of button-shaped main body; Described button-shaped main body comprises minicell, three action sensors, control circuits, wears terminal antenna; Described adapter was realized with being connected by data-interface of portable terminal, comprised interface and main part of a corresponding portable terminal, and main part comprises control circuit, adapter antenna; Described mouse adopts wireless transmission method, and miniature finger ring is worn on the finger, moves by tilting to point the control cursor, by the moving direction of the vergence direction control cursor of pointing, is controlled the translational speed of cursor by the angle of inclination of finger; Described finger vergence direction is divided into four direction all around, four moving directions all around of corresponding respectively control cursor; Described finger angle of inclination is the size of the amplitude that tilts at aforementioned four vergence directions, the speed that the control cursor moves up the counterparty.
2. radio micro finger ring mouse as claimed in claim 1, action by built-in three action sensor perception finger, be mapped as moving of cursor, described three is with respect to X, Y, the Z-direction of the positive horizontal positioned situation of sensing chip, it is characterized in that: described mouse is served as reasons three real time acceleration data separations of action sensor output and is moved dynamic acceleration information that causes and the static acceleration information that is caused by inclination; Filtering serves as the variation that finger angle of inclination and direction are determined in input with static acceleration information only by moving the dynamic acceleration information that causes, and static acceleration information is converted into the displacement information that cursor moves; The concrete grammar that is converted into the cursor displacement information by static acceleration information is: this mouse acceleration of gravity is decomposed into component on chip X, Y, Z axle, the chip X-axis is mapped as the X-axis that cursor moves on screen, the chip Y-axis is mapped as the Y-axis that cursor moves on screen; If
A wherein
xBe the real time acceleration on the chip X-axis, a
yBe the real time acceleration on the chip Y-axis, a
zBe the real time acceleration on the chip Z axle, g is conventional acceleration of gravity, then contains dynamic acceleration information at one of chip three direction of principal axis at least, and the control module of then wearing terminal is with the information filtering; If
The main control module of then wearing terminal is to a
xAnd a
ySample,,, realize the non-linear conversion of acceleration information to displacement information based on the conversion formula of acceleration and displacement by the non-linear conversion algorithm.
3. radio micro finger ring mouse as claimed in claim 1, has unlatching/dormancy mechanism, it is characterized in that: with the button of wearing terminal is the switch of startup/dormancy mechanism, press as trigger action with long, the radio-frequency module of wearing terminal is switched in unlatching/dormant state, the length that detects button by the I/O module when the main control module of wearing terminal is during by state, detect real-time radio-frequency module state again, if radio-frequency module is in opening, then close radio-frequency module, make the mouse dormancy; If radio-frequency module is in closed condition, then open radio-frequency module, mouse is opened; Or be switch with the keyboard input state of portable terminal, be input as trigger action with keyboard, the control module of adapter is by the keyboard input state of interface module monitoring portable terminal, if detect the keyboard input arranged, then control module generation dormancy information is sent to by radio-frequency module and wears terminal, wear the main control module of terminal and close radio-frequency module, make the mouse dormancy.
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| CN201010624289A CN102023731B (en) | 2010-12-31 | 2010-12-31 | Wireless tiny finger-ring mouse suitable for mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010624289A CN102023731B (en) | 2010-12-31 | 2010-12-31 | Wireless tiny finger-ring mouse suitable for mobile terminal |
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| CN102023731A true CN102023731A (en) | 2011-04-20 |
| CN102023731B CN102023731B (en) | 2012-08-29 |
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| CN103176708A (en) * | 2011-12-23 | 2013-06-26 | 吴振志 | Electronic document reading control method for portable electronic product |
| CN103389806A (en) * | 2012-05-11 | 2013-11-13 | 深圳大学 | Wireless free mouse system based on micro-accelerometer |
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| CN103677313A (en) * | 2012-09-17 | 2014-03-26 | 联想(北京)有限公司 | Electronic equipment and control method |
| CN103870009A (en) * | 2012-12-12 | 2014-06-18 | 原相科技股份有限公司 | Optical navigation apparatus and optical navigation method |
| CN104200555A (en) * | 2014-09-12 | 2014-12-10 | 四川农业大学 | Method and device for finger ring gesture door opening |
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| CN104407719A (en) * | 2014-12-19 | 2015-03-11 | 天津七一二通信广播有限公司 | Human-computer interaction finger ring and implementing method |
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