Importance

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Abstract

A card has an embossed display of user information in which at least a portion of such display is dynamically controlled. The card has an input device, such as a keypad or wireless device, a logic device, and a dynamic embossing device. The logic device generates an activation signal when the input device receives an input that satisfies an activation condition, such as correct entry of a user key. The dynamic embossing device completes the dynamic portion of the embossed display of user information in response to the activation signal. The dynamic embossing device uses individual activation mechanisms to control multiple studs readable as part of the embossed display when they are in a non-deflected position. The dynamic embossing device can use an electromagnetic force activation mechanism and an individual electromagnet to control each stud or a temperature-induced, bimetallic bending force activation mechanism and an individual bimetallic strip to control each stud. The dynamic display can be in a binary format, an alphanumeric format, or a numeric format. The embossed display of information can contain a transaction card number, such as a credit card number, which can be a user one-time card number generated by the logic device. The logic device can use the input that controls the activation mechanism, which may be a user key, or a second input to generate the one-time card number. The fixed display of user information can include a user name, which may or may not be fictitious.

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First Claim