Device and method for continuous biometric recognition based on electrocardiographic signals
First Claim
1. A device for continuous biometric recognition using electrocardiographic signals comprising:
- measurement terminals comprising capacitive sensors for continuous measurement of the electrocardiographic signal or non-metallic conductive elements for the measurement of electrical potential differential, or mechanical elements;
an electronic transduction and signal conditioning;
circuit including a virtual ground, and an electromagnetic noise filter, the electronic transduction and signal conditioning circuit receiving the electrocardiographic signals and filtering the electrocardiographic signals in the electromagnetic noise filter to provide the electrocardiographic signals free of external noise;
electronic equipment for digital processing the received filtered electrocardiographic signals, generating biometric recognition of a user and customizing of settings of the electronic equipment according to a result of the biometric recognition of the user, wherein the biometric recognition of the user occurs uninterruptedly while the device is being used.
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Abstract
Signal measurement for biometric recognition purpose includes a computational unit and a sensory unit designed to measure electrocardiographic (ECG) signals in a continuous fashion, guaranteeing that the biometric recognition is performed in an uninterrupted way whenever the device is used, with the purpose of enabling the automated recognition or validation of the identity of its wearer. The sensory unit has an electronic module through which the ECG is acquired. Its operating principle can be based in the electrical conductivity, in which case it requires contact with the skin of the user, or in any kind of capacitive or mechanical element, in which case it does not require any direct contact with the user. The device can be used in alternative or as a complement to existing systems that only perform a momentary identity check. It can be applied to vehicles, tablet computers or analogous contexts.
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Citations
10 Claims
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1. A device for continuous biometric recognition using electrocardiographic signals comprising:
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measurement terminals comprising capacitive sensors for continuous measurement of the electrocardiographic signal or non-metallic conductive elements for the measurement of electrical potential differential, or mechanical elements; an electronic transduction and signal conditioning;
circuit including a virtual ground, and an electromagnetic noise filter, the electronic transduction and signal conditioning circuit receiving the electrocardiographic signals and filtering the electrocardiographic signals in the electromagnetic noise filter to provide the electrocardiographic signals free of external noise;electronic equipment for digital processing the received filtered electrocardiographic signals, generating biometric recognition of a user and customizing of settings of the electronic equipment according to a result of the biometric recognition of the user, wherein the biometric recognition of the user occurs uninterruptedly while the device is being used. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification