Method and apparatus for detecting a manipulation of a portable device
First Claim
1. A method for detecting a manipulation of a mobile device, comprising the following steps:
- determining, by means of a sensor fixed to said mobile device, an orientation of a vertical direction in a reference frame tied to said mobile device at a plurality of successive instants;
calculating, for each instant, an angle formed by the orientation of said vertical direction in said reference frame at each instant and a reference orientation corresponding to the vertical direction at a prior instant, wherein said reference orientation is chosen so as to be equal to the orientation of said vertical direction at a prior instant that precedes each instant by a duration τ
of between 0.5 and 5 seconds; and
detecting a manipulation when said angle exceeds a first threshold.
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Abstract
A method for detecting a manipulation of a mobile device, comprises the following steps: a) determining, by means of a sensor, the orientation of the vertical direction in a reference frame tied to the mobile device at a plurality of successive instants; b) calculating, for each instant, the angle formed by the orientation of the vertical direction in the reference frame and a reference orientation, and c) detecting a manipulation when the angle exceeds a first threshold. An apparatus for detecting a manipulation of a mobile device comprises: a sensor for measuring the orientation of a vertical direction in a reference frame tied to the mobile device, and a processor connected to the sensor configured or programmed to implement such a method. A mobile phone comprising such an apparatus is also provided.
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Citations
16 Claims
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1. A method for detecting a manipulation of a mobile device, comprising the following steps:
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determining, by means of a sensor fixed to said mobile device, an orientation of a vertical direction in a reference frame tied to said mobile device at a plurality of successive instants; calculating, for each instant, an angle formed by the orientation of said vertical direction in said reference frame at each instant and a reference orientation corresponding to the vertical direction at a prior instant, wherein said reference orientation is chosen so as to be equal to the orientation of said vertical direction at a prior instant that precedes each instant by a duration τ
of between 0.5 and 5 seconds; anddetecting a manipulation when said angle exceeds a first threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for detecting a manipulation of a mobile device, comprising:
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a sensor, fixed to said mobile device, configured to determine an orientation of a vertical direction in a reference frame tied to said mobile device at a plurality of successive instants; a processor connected to said sensor; the processor configured to calculate, for each instant, an angle formed by the orientation of said vertical direction in said reference frame at each instant and a reference orientation corresponding to the vertical direction at a prior instant, wherein said reference orientation is chosen so as to be equal to the orientation of said vertical direction at a prior instant that precedes each instant by a duration τ
of between 0.5 and 5 seconds; andthe processor further configured to detect a manipulation when said angle exceeds a first threshold. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A mobile phone comprising an apparatus for detecting a manipulation, comprising:
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a sensor, fixed to said mobile phone, configured to determine an orientation of a vertical direction in a reference frame tied to said mobile phone at a plurality of successive instants; a processor connected to said sensor; the processor configured to calculate, for each instant, an angle formed by the orientation of said vertical direction in said reference frame at each instant and a reference orientation corresponding to the vertical direction at a prior instant, wherein said reference orientation is chosen so as to be equal to the orientation of said vertical direction at a prior instant that precedes each instant by a duration τ
of between 0.5 and 5 seconds; andthe processor further configured to detect a manipulation when said angle exceeds a first threshold.
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16. A touchscreen tablet comprising an apparatus for detecting a manipulation, comprising:
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a sensor, fixed to said touchscreen tablet, configured to determine an orientation of a vertical direction in a reference frame tied to said touchscreen tablet at a plurality of successive instants; a processor connected to said sensor; the processor configured to calculate, for each instant, an angle formed by the orientation of said vertical direction in said reference frame at each instant and a reference orientation corresponding to the vertical direction at a prior instant, wherein said reference orientation is chosen so as to be equal to the orientation of said vertical direction at a prior instant that precedes each instant by a duration τ
of between 0.5 and 5 seconds; andthe processor further configured to detect a manipulation when said angle exceeds a first threshold.
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Specification