CN103823576A - Intelligent terminal control information input method and system - Google Patents
Intelligent terminal control information input method and system Download PDFInfo
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Abstract
The invention relates to an intelligent terminal control information input method and system. The method is used for converting three-dimensional activity information of a control information input terminal capable of acting in a three-dimensional space into two-dimensional control information so as to control specific operations of the intelligent terminal through the two-dimensional information. The method includes steps of adopting a three-axis acceleration sensor and a three-axis angular acceleration sensor to acquire sensing information, containing an initial rotating angle values a0, b0 and c0 of the input terminal, rotating angle values of a1, b1 and c1 of the terminal at optional moments, of the control information input terminal; using differences between the rotating angle values at two moments to perform coordinate system transformation, and acquiring coordinates x and y of the differences in a set two-dimensional plane-coordinate system; using acquired two-dimensional coordinates (x, y) as control information and inputting into the intelligent terminal, and accordingly controlling activities of the intelligent terminal. The angle values are determined on the basis of a set three-dimensional coordinate system.
Description
Technical field
The present invention relates to human-computer interaction technique field, specifically, relate to a kind of positional information by mobile terminal device and be converted to the seat calibration method of two dimensional surface coordinate system, the invention provides a kind of control information input method and system of intelligent terminal.
Background technology
Mobile terminal device is developing rapidly, the especially fast development of smart mobile phone and universal, at present the digital processing ability of smart mobile phone improve constantly and major part all built-in various sensors experience to improve user.Adopt the mobile terminal device of acceleration transducer and angular acceleration transducer also to utilize existing method to calculate the location status of equipment by detecting the induction information of its sensor.
The present invention utilizes mobile terminal device to realize different distant control functions at three-dimensional different location status, controls other intelligent terminal, technical conceive yet there are no pertinent literature record.
Summary of the invention
The object of the invention is to, for overcoming the problems referred to above, the invention provides a kind of control information input method and system of intelligent terminal.
The invention provides for achieving the above object a kind of control information input method of intelligent terminal, thereby described method will be for being converted into two-dimentional control information by the concrete operations of two-dimensional signal control intelligent terminal in the three-dimensional activity information of the control information input end of three dimensions activity, and described method comprises following steps:
Step 101) for adopting 3-axis acceleration sensor and three shaft angle acceleration transducers to obtain the step of the induction information of control information entry terminal, and initial rotation angle degree value a0, b0 and c0 that described induction information comprises entry terminal, and any time this terminal rotation angle value a1, b1 and c1, and above-mentioned each angle value all based on set three-dimensional system of coordinate determine;
Step 102) for the difference of above-mentioned two moment rotation angle value of obtaining is carried out to coordinate system transformation, and then obtain coordinate x and the y of this difference at the two dimensional surface coordinate system of setting;
Step 103) for the two-dimensional coordinate value (x, y) of obtaining is inputed to intelligent terminal as control information, thus the behavior of control intelligent terminal.
Above-mentioned steps 102) further comprise:
Step 102-1) difference of two moment rotation angle value is carried out to aperiodicity conversion, mapping transformation and translation transformation, and described aperiodicity conversion, mapping transformation, translation transformation can be carried out with any order;
Step 102-2) result of upper step output is normalized to conversion;
Step 102-3) by the plane coordinate transformation of the information gained after normalization in the coordinate system at objective plane place;
Wherein, objective plane refers to the two dimensional surface at the display screen place of controlled intelligent terminal.
Above-mentioned steps 102-2) described normalization conversion refers to through step 102-1) the interval normalization of positional information after treatment transforms to the interval of specifying in the plane coordinate system of appointment, carry out logarithmic function processing by the interval of specifying in the interval at information place of control information input end and the plane coordinate system of appointment and obtain normalization ratio, utilize normalization ratio that the information of current control information input end is converted to the coordinate in given plane coordinate system;
Wherein, the plane coordinate system of described appointment just refers to the two dimensional surface at the display screen place of controlled intelligent terminal.
When control information input end is respectively Length_x around the interval length of the rotation angle value of z, x axle, Length_y, the x of the plane coordinate system of appointment, the interval length of y axle are respectively width, height; After aperiodicity conversion, mapping transformation, translation transformation, the two dimensional surface coordinate of gained is Z'O'X', the value z' that supposes the front Z ' axle of normalization conversion is z after normalization conversion "; before normalization conversion, the value x' of X' axle is x' after normalization converts, and the relational expression between above-mentioned each parameter is:
The conversion of above-mentioned aperiodicity refers to minimum of a function positive period in fetch cycle, and its linear interpolation is become to non-periodic function to whole real number field interval; Described translation transformation refers to the unit length that coordinate system is specified number along the translation of coordinate axis forward.
A kind of control information input system of intelligent terminal is also provided based on said method the present invention, described system is for can control information entry terminal being converted into the two-dimentional control information of certain intelligent terminal at the input information of three dimensions activity, described system comprises:
Be used for the acquisition module of the three-dimensional information that gathers control information entry terminal, this module adopts 3-axis acceleration sensor and three shaft angle acceleration transducers to obtain the step of the induction information of control information entry terminal, and initial rotation angle degree value a0, b0 and c0 that described induction information comprises entry terminal, and any time this terminal rotation angle value a1, b1 and c1, and above-mentioned each angle value all based on set three-dimensional system of coordinate determine;
The first processing module, for the difference of above-mentioned two moment rotation angle value of obtaining is carried out to coordinate system transformation, and then obtains coordinate x and the y of this difference at the two dimensional surface coordinate system of setting;
Two dimension control information output module, for the two-dimensional coordinate value (x, y) of obtaining is inputed to intelligent terminal as control information, thus the behavior of control intelligent terminal.
Above-mentioned the first processing module:
Pre-service submodule, for the difference of two moment rotation angle value is carried out to aperiodicity conversion, mapping transformation and translation transformation, and described aperiodicity conversion, mapping transformation, translation transformation can be carried out with any order;
Normalized submodule, for being normalized conversion to the Output rusults of pre-service submodule; With
Coordinate conversion submodule, for the coordinate system to objective plane place by the plane coordinate transformation of the information gained after normalization;
Wherein, objective plane refers to the two dimensional surface at the display screen place of intelligent terminal.
Above-mentioned normalization conversion refers to the interval normalization of the positional information of mobile terminal device is transformed to the interval of specifying in the plane coordinate system of appointment, carry out logarithmic function processing by the interval of specifying in the interval at information place of control information input end and the plane coordinate system of appointment and obtain normalization ratio, utilize normalization ratio that the information of current control information input end is converted to the coordinate in given plane coordinate system.
When control information input end is respectively Length_x around the interval length of the rotation angle value of z, x axle, Length_y, the x of the plane coordinate system of appointment, the interval length of y axle are respectively width, height.After aperiodicity conversion, mapping transformation, translation transformation, the two dimensional surface coordinate of gained is Z'O'X', supposes that the value z' of the front Z' axle of normalization conversion is z after normalization conversion ", before normalization conversion, the value x' of X' axle is x after normalization converts ":
The conversion of above-mentioned aperiodicity refers to minimum of a function positive period in fetch cycle, and its linear interpolation is become to non-periodic function to whole real number field interval;
Described translation transformation refers to the unit length that coordinate system is specified number along the translation of coordinate axis forward.
The linear transformation that a kind of positional information by mobile terminal device of the present invention is converted to described in the seat calibration method of two dimensional surface coordinate system refers to the plane coordinate system linear transformation of the positional information of mobile terminal device gained after aperiodicity conversion, mapping transformation, translation transformation, normalization conversion in the plane coordinate system of specifying.
Compared with prior art, technical advantage of the present invention is:
By technique scheme, will be converted into the two-dimentional control information at display screen place of intelligent terminal in the three-dimensional activity information of the control information input end of three dimensions activity, thereby realize the control of the behavior to intelligent terminal.Implement the present invention, user, by changing the equipment state of control information input end, just can realize the control to intelligent terminal, and simple operation accurately and meet user's behavioural habits, can improve well user and experience, and strengthens the interest of operation.
Accompanying drawing explanation
Fig. 1 is the program flow diagram that one of the present invention is converted to the positional information of mobile terminal device (, control information input end) the seat calibration method of two dimensional surface coordinate system.
Fig. 2 is the local space coordinate system of the one of the present invention mobile terminal device that the positional information of mobile terminal device (, control information input end) is converted to the seat calibration method of two dimensional surface coordinate system and the equipment schematic diagram that pivots.
The pivot periodicity schematic diagram of angle value of Fig. 3 mobile terminal device that to be one of the present invention be converted to the seat calibration method of two dimensional surface coordinate system by the positional information of mobile terminal device (, control information input end).
Fig. 4 mobile terminal device that to be one of the present invention be converted to the seat calibration method of two dimensional surface coordinate system by the positional information of mobile terminal device (, control information input end) schematic diagram before the aperiodicity conversion of angle value that pivots.
Fig. 5 mobile terminal device that to be one of the present invention be converted to the seat calibration method of two dimensional surface coordinate system by the positional information of mobile terminal device (, control information input end) schematic diagram after the aperiodicity conversion of angle value that pivots.
Fig. 6 is the schematic diagram that one of the present invention is converted to the positional information of mobile terminal device (, control information input end) the two dimensional surface coordinate system Z'O'X' after the three-dimensional coordinate system mapping transformation at the angle value place that in the seat calibration method of two dimensional surface coordinate system, mobile terminal device pivoted.
Fig. 7 seat calibration method that to be one of the present invention be converted to two dimensional surface coordinate system by the positional information of mobile terminal device (, control information input end) carries out the schematic diagram of the two dimensional surface coordinate system Z'O'X' after translation transformation.
Fig. 8 seat calibration method that to be one of the present invention be converted to two dimensional surface coordinate system by the positional information of mobile terminal device (, control information input end) is normalized the schematic diagram of the two dimensional surface coordinate system Z'O ' X' after conversion.
Fig. 9 is the schematic diagram that one of the present invention is converted to the positional information of mobile terminal device (, control information input end) XOY in the plane coordinate system of specifying in the seat calibration method of two dimensional surface coordinate system.
Embodiment
Below in conjunction with accompanying drawing, content of the present invention is described in detail.
One of the present invention by mobile terminal device (, control information input end) the mobile terminal device that is converted to described in the seat calibration method of two dimensional surface coordinate system of positional information be 3D solid, the local space coordinate system at its place is take its geometric center as true origin, equipment is faced up and lain on surface level with normal condition, z axle runs through equipment front, bottom surface perpendicular to surface level and upwards for just, x axle runs through the left and right side of equipment and to the right for just, y axle runs through the front and back of equipment.The x, y, z axle of equipment is followed right-hand rule.
The mobile terminal device that one of the present invention is converted to the positional information of mobile terminal device (, control information input end) described in the seat calibration method of two dimensional surface coordinate system refers to the rotation angle value of mobile terminal device around the x, y, z axle of its local space coordinate system around the rotation angle value of x, y, z axle.The angle value that equipment rotates around turning axle has positive and negative dividing, in a swing circle, the positive and negative right-hand rule of following of rotation angle value: the right hand is being held turning axle, thumb points to turning axle forward, equipment is rotated counterclockwise rotation angle value for just, and the angle value that turns clockwise is for negative.
The invention provides madam's one by mobile terminal device (, control information input end) positional information be converted to aperiodicity conversion described in the seat calibration method of two dimensional surface coordinate system and refer to minimum of a function positive period in fetch cycle, its linear interpolation is become to non-periodic function to whole real number field interval.The angle value that equipment pivots is to change in the cycle, converts accurately to calculate the difference of current rotation angle value with respect to initial rotation angle degree value by aperiodicity.
One of the present invention is converted to the positional information of mobile terminal device (, control information input end) mapping transformation described in the seat calibration method of two dimensional surface coordinate system and refers to three-dimensional coordinate system is mapped to two dimensional surface coordinate system.The two dimensional surface coordinate system of mapping transformation gained of the present invention is made up of around the x' axle at x axle anglec of rotation place around z' axle, the equipment at z axle anglec of rotation place equipment.Positive and negative according to rotation angle value, the positive dirction that the present invention gets z ' axle be level left, the positive dirction of x' axle, for straight up, supposes that this two dimensional surface coordinate is Z'O'X' coordinate system.
One of the present invention by mobile terminal device (, control information input end) the translation transformation that is converted to described in the seat calibration method of two dimensional surface coordinate system of positional information refer to the unit length that Z'O'X' plane coordinate system is specified number along the translation of coordinate axis forward, be transformed to nonnegative number with angle value that equipment is pivoted.
One of the present invention by mobile terminal device (, control information input end) positional information be converted to normalization conversion described in the seat calibration method of two dimensional surface coordinate system and refer to the interval normalization of the positional information of mobile terminal device is transformed to the interval of specifying in the plane coordinate system of appointment, take the mode that more meets user operation habits by the information conversion of sensor the information as planimetric coordinates.Suppose that mobile terminal device is respectively Length_x around the interval length of the rotation angle value of z, x axle, Length_y, the x of the plane coordinate system of appointment, the interval length of y axle are respectively width, height.After aperiodicity conversion, mapping transformation, translation transformation, the two dimensional surface coordinate of gained is Z'O'X', supposes that the value z' of the front Z' axle of normalization conversion is z after normalization conversion ", before normalization conversion, the value x' of X' axle is x after normalization converts ":
The present invention relates to one by mobile terminal device (, control information input end) positional information be converted to the seat calibration method of two dimensional surface coordinate system, in order to make technical scheme of the present invention more clear, accurate, below with reference to accompanying drawing and embodiment, the present invention is described in detail.
As shown in Figure 1, the specific implementation step that the positional information of mobile terminal device (, control information input end) is converted to the seat calibration method of two dimensional surface coordinate system by one of the present invention is:
S1, adopt 3-axis acceleration sensor and three shaft angle acceleration transducers in the mobile terminal device (, control information input end), renewal frequency start sensor that sensor is set upgrade.
The induction information of S2, sense acceleration sensor and angular acceleration transducer, according to these induction informations, utilize existing method to calculate rotation angle value a1, b1, the c1 of mobile terminal device around x, y, z axle, and calculate current rotation angle value a1, b1, c1 with respect to initial rotation angle degree value a0, poor a, the b of b0, c0, c, i.e. a=a1-a0; B=b1-b0; C=c1-c0;
S3, a, b, c are carried out to coordinate system transformation, obtain the coordinate x of two dimensional surface coordinate system, y; Described coordinate system transformation, comprises the following steps:
T1, first carry out aperiodicity conversion, mapping transformation and translation transformation, described aperiodicity conversion, mapping transformation, translation transformation can carry out with any order;
T2, the result of t1 gained is normalized to conversion; Normalization conversion is the coordinate system interval to objective plane place by the induction information interval mapping of sensor, take the mode that more meets user operation habits by the information conversion of sensor the information as planimetric coordinates.
T3, linear transformation; By the plane coordinate transformation of t2 gained in the coordinate system at objective plane place.
As shown in Figure 2, one of the present invention by mobile terminal device (, control information input end) the positional information local space coordinate system that is converted to the mobile terminal device of the seat calibration method of two dimensional surface coordinate system be that geometric center take mobile terminal device is as true origin, equipment is faced up and lain on surface level with normal condition, z axle runs through equipment front, bottom surface perpendicular to surface level and upwards for just, x axle runs through the left and right side of equipment and to the right for just, y axle runs through the front and back of equipment, and the x, y, z axle of equipment is followed right-hand rule.Equipment refers to the rotation angle value of mobile terminal device around the x, y, z axle of its local space coordinate system around the rotation angle value of x, y, z axle.The angle value that equipment rotates around turning axle has positive and negative dividing, in a swing circle, the positive and negative right-hand rule of following of rotation angle value: the right hand is being held turning axle, thumb points to turning axle forward, equipment is rotated counterclockwise rotation angle value for just, and the angle value that turns clockwise is for negative.
As shown in Figure 3, the positional information of mobile terminal device (, control information input end) is converted to the angle value that the mobile terminal device of the seat calibration method of two dimensional surface coordinate system pivots is periodically variable to one of the present invention.Equipment starts to pivot in the counterclockwise direction from stationary state, the anglec of rotation of gained is for just and between 0 ° to 180 ° changing, when the anglec of rotation exceedes 180 ° and while continuing to be rotated counterclockwise, the anglec of rotation of gained is for negative and change between-180 ° to 0 °.If a certain moment equipment pivots, angle value is 170 °, sense of rotation is counterclockwise, the rotation angle value of next moment equipment is-170 °, before and after numerical value calculates, in twice detection, the variation of the anglec of rotation of equipment is 340 °, and in fact equipment has only rotated 20 °, rotate to 180 ° from 170 ° ,-180 °, then rotate to-170 ° from-180 °.The pivot aperiodicity conversion of angle value of the mobile terminal device that is converted to the seat calibration method of two dimensional surface coordinate system by a kind of positional information by mobile terminal device of the present invention as shown in Figure 4 can obtain the actual angle value that pivots of equipment, wherein the x axle in figure represents the actual rotation angle value with respect to initial position, and y axle represents the rotation angle value that sensor detects.
As shown in Figure 5, the x axle in figure is the actual rotation angle value with respect to initial position, and y axle represents the rotation angle value that sensor detects; One of the present invention is converted to the positional information of mobile terminal device (, control information input end) the three-dimensional coordinate system mapping transformation at the angle value place that in the seat calibration method of two dimensional surface coordinate system, mobile terminal device pivoted to two dimensional surface coordinate system Z'O'X'.Consider user's operating habit, the present invention has selected equipment to form two dimensional surface coordinate system Z'O'X' around z' axle, the equipment at z axle rotation angle value place around the x' axle at x axle rotation angle value place.
As shown in Figure 6, one of the present invention is converted to the positional information of mobile terminal device (, control information input end) in the seat calibration method of two dimensional surface coordinate system the two dimensional surface coordinate system Z'O'X' of Fig. 5 is carried out to translation transformation.Translation transformation refers to that it is nonnegative number that the unit length of specifying along z' axle forward, the translation of x' axle forward makes the value of the present invention in two dimensional surface coordinate system Z'O'X'.
As shown in Figure 7, one of the present invention is converted to the positional information of mobile terminal device (, control information input end) in the seat calibration method of two dimensional surface coordinate system the two dimensional surface coordinate system Z'O'X' of Fig. 6 is normalized to conversion.After normalization conversion, the interval of the z' axle of the present invention in two dimensional surface coordinate system Z'O'X' is [0, width], the interval of x ' axle is [0, height], wherein width is the interval length of the x axle of the plane coordinate system of appointment, and height is the interval length of the y axle of the plane coordinate system of appointment.
As shown in Figure 8, one of the present invention is converted to the positional information of mobile terminal device (, control information input end) the two dimensional surface coordinate system XOY of the seat calibration method appointment of two dimensional surface coordinate system.The two dimensional surface coordinate system of appointment of the present invention comprises the two dimensional surface coordinate system at the places such as intelligent television screen, computer screen.
In sum, the present invention is converted to the positional information of mobile terminal device on the coordinate of the two dimensional surface coordinate system of appointment, using mobile terminal device as a kind of mouse input equipment, has increased the recreational and interesting of operation, has strengthened user's experience.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. the control information input method of an intelligent terminal, thereby described method will be for being converted into two-dimentional control information by the concrete operations of two-dimensional signal control intelligent terminal in the three-dimensional activity information of the control information input end of three dimensions activity, and described method comprises following steps:
Step 101) for adopting 3-axis acceleration sensor and three shaft angle acceleration transducers to obtain the step of the induction information of control information entry terminal, and initial rotation angle degree value a0, b0 and c0 that described induction information comprises entry terminal, and any time this terminal rotation angle value a1, b1 and c1, and above-mentioned each angle value all based on set three-dimensional system of coordinate determine;
Step 102) for the difference of above-mentioned two moment rotation angle value of obtaining is carried out to coordinate system transformation, and then obtain coordinate x and the y of this difference at the two dimensional surface coordinate system of setting;
Step 103) for the two-dimensional coordinate value (x, y) of obtaining is inputed to intelligent terminal as control information, thus the behavior of control intelligent terminal.
2. the control information input method of intelligent terminal according to claim 1, is characterized in that, described step 102) further comprise:
Step 102-1) difference of two moment rotation angle value is carried out to aperiodicity conversion, mapping transformation and translation transformation, and described aperiodicity conversion, mapping transformation, translation transformation can be carried out with any order;
Step 102-2) result of upper step output is normalized to conversion;
Step 102-3) by the plane coordinate transformation of the information gained after normalization in the coordinate system at objective plane place;
Wherein, objective plane refers to the two dimensional surface at the display screen place of controlled intelligent terminal.
3. the control information input method of intelligent terminal according to claim 2, it is characterized in that, step 102-2) described normalization conversion refers to through step 102-1) the interval normalization of positional information after treatment transforms to the interval of specifying in the plane coordinate system of appointment, carry out logarithmic function processing by the interval of specifying in the interval at information place of control information input end and the plane coordinate system of appointment and obtain normalization ratio, utilize normalization ratio that the information of current control information input end is converted to the coordinate in given plane coordinate system,
Wherein, the plane coordinate system of described appointment just refers to the two dimensional surface at the display screen place of controlled intelligent terminal.
4. the control information input method of intelligent terminal according to claim 3, it is characterized in that, when control information input end is respectively Length_x around the interval length of the rotation angle value of z, x axle, Length_y, the x of the plane coordinate system of specifying, the interval length of y axle are respectively width, height; After aperiodicity conversion, mapping transformation, translation transformation, the two dimensional surface coordinate of gained is Z'O'X', the value z' that supposes the front Z' axle of normalization conversion is z after normalization conversion "; before normalization conversion, the value x' of X' axle is x' after normalization converts, and the relational expression between above-mentioned each parameter is:
5. the control information input method of intelligent terminal according to claim 2, is characterized in that, the conversion of described aperiodicity refers to minimum of a function positive period in fetch cycle, and its linear interpolation is become to non-periodic function to whole real number field interval;
Described translation transformation refers to the unit length that coordinate system is specified number along the translation of coordinate axis forward.
6. a control information input system for intelligent terminal, described system is for can control information entry terminal being converted into the two-dimentional control information of certain intelligent terminal at the input information of three dimensions activity, and described system comprises:
Be used for the acquisition module of the three-dimensional information that gathers control information entry terminal, this module adopts 3-axis acceleration sensor and three shaft angle acceleration transducers to obtain the step of the induction information of control information entry terminal, and initial rotation angle degree value a0, b0 and c0 that described induction information comprises entry terminal, and any time this terminal rotation angle value a1, b1 and c1, and above-mentioned each angle value all based on set three-dimensional system of coordinate determine;
The first processing module, for the difference of above-mentioned two moment rotation angle value of obtaining is carried out to coordinate system transformation, and then obtains coordinate x and the y of this difference at the two dimensional surface coordinate system of setting;
Two dimension control information output module, for the two-dimensional coordinate value (x, y) of obtaining is inputed to intelligent terminal as control information, thus the behavior of control intelligent terminal.
7. the control information input system of intelligent terminal according to claim 1, is characterized in that, described the first processing module:
Pre-service submodule, for the difference of two moment rotation angle value is carried out to aperiodicity conversion, mapping transformation and translation transformation, and described aperiodicity conversion, mapping transformation, translation transformation can be carried out with any order;
Normalized submodule, for being normalized conversion to the Output rusults of pre-service submodule; With
Coordinate conversion submodule, for the coordinate system to objective plane place by the plane coordinate transformation of the information gained after normalization;
Wherein, objective plane refers to the two dimensional surface at the display screen place of intelligent terminal.
8. the control information input system of intelligent terminal according to claim 7, it is characterized in that, described normalization conversion refers to the interval normalization of the positional information of mobile terminal device is transformed to the interval of specifying in the plane coordinate system of appointment, carry out logarithmic function processing by the interval of specifying in the interval at information place of control information input end and the plane coordinate system of appointment and obtain normalization ratio, utilize normalization ratio that the information of current control information input end is converted to the coordinate in given plane coordinate system.
9. the control information input system of intelligent terminal according to claim 8, it is characterized in that, when control information input end is respectively Length_x around the interval length of the rotation angle value of z, x axle, Length_y, the x of the plane coordinate system of specifying, the interval length of y axle are respectively width, height.After aperiodicity conversion, mapping transformation, translation transformation, the two dimensional surface coordinate of gained is Z'O'X', supposes that the value z' of the front Z' axle of normalization conversion is z after normalization conversion ", before normalization conversion, the value x' of X' axle is x after normalization converts ":
10. the control information input system of intelligent terminal according to claim 7, is characterized in that, the conversion of described aperiodicity refers to minimum of a function positive period in fetch cycle, and its linear interpolation is become to non-periodic function to whole real number field interval;
Described translation transformation refers to the unit length that coordinate system is specified number along the translation of coordinate axis forward.
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| JPH1021000A (en) * | 1996-06-28 | 1998-01-23 | Sumitomo Metal Ind Ltd | Signal input device |
| CN1842186A (en) * | 2005-03-28 | 2006-10-04 | 英华达(上海)电子有限公司 | Method for realizing acceleration transducer in mobile phone and mobile phone for realizing same |
| US20070124703A1 (en) * | 2005-11-29 | 2007-05-31 | Sohn Jong M | Command input method using motion recognition device |
| CN101124534A (en) * | 2005-02-24 | 2008-02-13 | 诺基亚公司 | Motion input device for computing terminal and its operation method |
| US20090326857A1 (en) * | 2008-06-27 | 2009-12-31 | Movea Sa | Hand held pointing device with roll compensation |
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2012
- 2012-11-16 CN CN201210465024.5A patent/CN103823576B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021000A (en) * | 1996-06-28 | 1998-01-23 | Sumitomo Metal Ind Ltd | Signal input device |
| CN101124534A (en) * | 2005-02-24 | 2008-02-13 | 诺基亚公司 | Motion input device for computing terminal and its operation method |
| CN1842186A (en) * | 2005-03-28 | 2006-10-04 | 英华达(上海)电子有限公司 | Method for realizing acceleration transducer in mobile phone and mobile phone for realizing same |
| US20070124703A1 (en) * | 2005-11-29 | 2007-05-31 | Sohn Jong M | Command input method using motion recognition device |
| US20090326857A1 (en) * | 2008-06-27 | 2009-12-31 | Movea Sa | Hand held pointing device with roll compensation |
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