Data input device comprising means for detecting a spy device, and corresponding detection method and computer program
AssigneeBanks and Acquirers International Holding
InventorsMaxime Goulon, Gregory Michiel, Dominique Testu
Life of this patent
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Abstract
A data input device including a keypad. The data input device includes at least one proximity sensor positioned within a housing formed in an element of the device forming a projection in the vicinity of the keypad, the proximity sensor being oriented toward the keypad, the proximity sensor delivering measurements; and a program for analysing the measurements, delivering information representative of the presumed presence of a spy device on the keypad when the measurements are higher than a predetermined threshold for a predetermined time period.
Claims10
A data input device, comprising:
- a recess in the data input device defined by a bottom and a plurality of walls extending up from the bottom;
- a keypad positioned at the bottom of the recess of said data input device;
- a housing formed in one of the plurality of walls of the recess,
- at least one proximity sensor positioned within the housing and oriented in a direction toward said keypad with a detection area including a volume of the recess immediately above the keypad, said proximity sensor delivering measurements;
- and
- a processor for analyzing said measurements, delivering information representative of a presumed presence of a spy device positioned on said keypad when said measurements are higher than a predetermined threshold for a predetermined time period.
A method for detecting a spy device positioned on a keypad at a bottom of a recess of a data input device, the recess being defined by the bottom and a plurality of walls extending up from the bottom, the method comprising steps of:
- transmitting a signal by a transmitter of a proximity sensor toward the keypad, the proximity sensor positioned in one of the plurality of walls of the recess and oriented in a direction toward said keypad with a detection area including a volume of the recess immediately above the keypad;
- receiving a signal by a receiver of the proximity sensor;
- obtaining repeated measurements, over a predetermined time period, representative of an energy difference between the signal transmitted by the transmitter and the signal received by the receiver;
- executing a computer program on a microprocessor in the data input device to analyze said measurements to compare the measurements with a predetermined threshold;
- and
- delivering information representative of a presumed presence of the spy device on said keypad when said measurements are higher than the predetermined threshold for the predetermined time period.
Dependencies are inferred from the claim text.