Method for detecting an angular variation of a control path on a touch surface and corresponding control module
First Claim
1. A method for determining an elementary angle of a control trajectory on a touch surface, comprising:
- measuring two values of elementary displacements representative of projections along two perpendicular axes on a touch-surface control module in the course of a predetermined duration, the touch-surface control module being used to control the functions of at least one set of electrical or electronic members of a motor vehicle;
comparing said two values of elementary displacements with spans of unit values of elementary displacements of a reference data table, wherein the reference data table comprises a plurality of reference data and provides pre-input data for associating the two values of the elementary displacements with the spans of unit values of elementary displacements; and
ascribing each of the reference data to an elementary angle of the control trajectory,wherein each of the plurality of reference data corresponds to a range of angles,wherein each of the plurality of reference data is representative of a zero angle when a sum of the two values of elementary displacements is less than a predetermined threshold,wherein a revolution counter is incremented when the control trajectory is greater than 360°
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Accused Products
Abstract
The invention relates to a method for determining the elementary angle of a control path on a touch surface, characterized in that it comprises measuring two elementary movement values (|dX|, |dY|) along two perpendicular axes (X, Y) for a predetermined duration (dT), comparing said values (|dX|, |dY|) with unitary value ranges of elementary movements (Xu, Yu) of a reference data table and allocating a reference data representative of an angle to an elementary angle (dθ) of the control path. The invention also relates to a method for detecting an angular variation of a control path on a touch surface, characterized in that it comprises implementing the above method for determining the elementary angle of a control path on a touch surface and storing the elementary angle (dθ) allocated during an elementary step, repeating the elementary step, and assembling in series the allocated elementary angles (dθ) in order to determine an angular variation of the control path. The invention further relates to a control module including a touch surface (1), characterized in that it comprises a processing unit for implementing the method for detecting an angular variation of a control path as described above.
39 Citations
18 Claims
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1. A method for determining an elementary angle of a control trajectory on a touch surface, comprising:
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measuring two values of elementary displacements representative of projections along two perpendicular axes on a touch-surface control module in the course of a predetermined duration, the touch-surface control module being used to control the functions of at least one set of electrical or electronic members of a motor vehicle; comparing said two values of elementary displacements with spans of unit values of elementary displacements of a reference data table, wherein the reference data table comprises a plurality of reference data and provides pre-input data for associating the two values of the elementary displacements with the spans of unit values of elementary displacements; and ascribing each of the reference data to an elementary angle of the control trajectory, wherein each of the plurality of reference data corresponds to a range of angles, wherein each of the plurality of reference data is representative of a zero angle when a sum of the two values of elementary displacements is less than a predetermined threshold, wherein a revolution counter is incremented when the control trajectory is greater than 360°
. - View Dependent Claims (2, 3, 4, 5)
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6. A method for detecting an angular variation of a control trajectory on a touch surface, comprising:
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measuring two values of elementary displacements representative of projections along two perpendicular axes on a touch-surface control module in the course of a predetermined duration, the touch-surface control module being used to control the functions of at least one set of electrical or electronic members of a motor vehicle; comparing said two values of elementary displacements with spans of unit values of elementary displacements of a reference data table, wherein the reference data table comprises a plurality of reference data and provides pre-input data for associating the two values of the elementary displacements with the spans of unit values of elementary displacements; and ascribing each of the reference data to an elementary angle of the control trajectory; storing the elementary angle ascribed in the course of an elementary step; and repeating the elementary step and successively assembling the ascribed elementary angles to determine an angular variation of the control trajectory, wherein each of the plurality of reference data corresponds to a range of angles, wherein each of the plurality of reference data is representative of a zero angle when a sum of the two values of elementary displacements is less than a predetermined threshold, and wherein a revolution counter is incremented when the control trajectory is greater than 360°
. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A control module comprising a touch surface, comprising a processing unit for implementation of a method for detecting an angular variation of a control trajectory, the method comprising:
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measuring two values of elementary displacements representative of projections along two perpendicular axes on a touch-surface control module in the course of a predetermined duration, the touch-surface control module being used to control the functions of at least one set of electrical or electronic members of a motor vehicle; comparing said two values of elementary displacements with spans of unit values of elementary displacements of a reference data table, wherein the reference data table comprises a plurality of reference data and provides pre-input data for associating the two values of the elementary displacements with the spans of unit values of elementary displacements; and ascribing each of the reference data to an elementary angle of the control trajectory; storing the elementary angle ascribed in the course of an elementary step; and repeating the elementary step and successively assembling the ascribed elementary angles to determine an angular variation of the control trajectory, wherein each of the plurality of reference data corresponds to a range of angles, wherein each of the plurality of reference data is representative of a zero angle when a sum of the two values of elementary displacements is less than a predetermined threshold, and wherein a revolution counter is incremented when the control trajectory is greater than 360°
. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification