Biometric data card and authentication method
First Claim
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1. A biometric data card, comprising:
- an image sensor for capturing an image of a biometric feature of a user of the biometric data card and producing first image data representing the image;
a memory operable to store second image data; and
a processor in communication with said image sensor and said memory, said processor operable to perform a comparison of the first image data with the second image data, and, to generate, in response to the comparison, authentication information representative of an authentication of the user.
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Abstract
A biometric data card includes an image sensor for capturing an image of a biometric feature of a user of the biometric data card and producing first image data representing the image. The biometric data card compares the first image data to second image data stored within the biometric data card to authenticate the user. The biometric data card is usable with a terminal including a slot for receiving the biometric data card. The terminal can further include an optical element optically coupled to direct the image onto the image sensor of the biometric data card.
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Citations
33 Claims
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1. A biometric data card, comprising:
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an image sensor for capturing an image of a biometric feature of a user of the biometric data card and producing first image data representing the image;
a memory operable to store second image data; and
a processor in communication with said image sensor and said memory, said processor operable to perform a comparison of the first image data with the second image data, and, to generate, in response to the comparison, authentication information representative of an authentication of the user. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A terminal for authenticating a user of the terminal, comprising:
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an optical interface configured to receive light reflected from a biometric feature of the user;
an optical element optically coupled to said optical interface via an optical path, said optical element operable to form an image of the biometric feature from the reflected light and to direct the image onto an image sensor; and
a card interface configured to receive a biometric data card and operable to authenticate the user based on the image and to provide an authentication signal to the terminal. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A system for authenticating a user, comprising:
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a biometric data card including an image sensor for capturing an image of a biometric feature of the user and for producing first image data representing the image, said biometric data card operable to perform a comparison of the first image data with second image data, and, to generate, in response to the comparison, authentication information representative of an authentication of the user; and
a terminal including a card interface configured to receive said biometric data card and operable to receive the authentication information from said biometric data card, said terminal further including an optical element arranged to direct light from the biometric feature onto the image sensor. - View Dependent Claims (24, 25)
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26. A method for authenticating a user using a biometric data card, the method comprising:
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producing in the biometric data card first biometric image data in response to an image of a biometric feature of the user;
comparing in said biometric data card the first biometric image data with second biometric image data; and
authenticating the user in response to said comparing. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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Specification