CREDIT CARD SYSTEM HAVING MEANS FOR SENSING IF OBJECT IS LIVING
First Claim
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1. A system for identifying the user of a credit card and the like, comprising:
- means for receiving a predetermined portion of a living human body;
means for checking whether an object presented by a user of a card for identification and received in said receiving means is said predetermined portion of a living human body to produce an output signal when said object is recognized as said predetermined portion; and
means operable in response to said output signal to recognize said user as the proper owner of said credit card.
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Abstract
A system for identifying the user of a credit card or the like, wherein a predetermined portion of the living body, such as a finger or a hand, of the user of a card is used for identification of the user. The system is provided with means for checking whether the object presented by the user of a card is the predetermined portion of the living body of the user so that any fraudulent use of an object simulating the portion of a human body can be prevented.
72 Citations
6 Claims
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1. A system for identifying the user of a credit card and the like, comprising:
- means for receiving a predetermined portion of a living human body;
means for checking whether an object presented by a user of a card for identification and received in said receiving means is said predetermined portion of a living human body to produce an output signal when said object is recognized as said predetermined portion; and
means operable in response to said output signal to recognize said user as the proper owner of said credit card.
- means for receiving a predetermined portion of a living human body;
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2. The system of claim 1, wherein said checking means relies on the electric resistance of said object received in said receiving means for determination of whether said object is said predetermined portion of a living human body.
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3. The system of claim 1, wherein said checking means relies on the presence or absence of the pulsation of said object received in said receiving means for determination of whether said object is said predetermined portion of a living human body.
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4. The system of claim 2, wherein said checking means includes a pair of spaced electrodes arranged to be connected via said object received in said receiving means and means for measuring the electrical resistance between said electrodes.
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5. The system of claim 3, wherein said checking mans includes a source of light for projecting light onto said object received in said receiving means, a photosensor for receiving the light reflected by said object to produce an output corresponding to the amount of light received and means for detecting in said output a pulsating change corresponding to the pulsation of a living human body.
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6. The system of claim 1, wherein said receiving means comprises a recess for receiving therein a hand of the user of the card;
- and said checking means comprises means for measuring the area of the palm of said hand, and means for comparing the measured area with that area of the palm of the proper owner of the card used which is previously recorded on the card to produce an output when said two areas are substantially equal.
Specification