Patent Number: 6,966,497

Title: Data carrier with a battery and display

Abstract: A data carrier used for an electronic purse including a display arranged to indicate a credit balance present in the electronic purse, and a battery in combination with a device for detecting the usability or probability of use of the display. The device is configured to determine the opereability and brightness of the display. The device is arranged to selectively deactivate the display upon an indication of a predetermined criteria.

Inventors: Hohmann; Arno (Munich, DE), Graf; Hans (Rosenheim, DE)

Assignee: Giesecke & Devrient GmbH

International Classification: G06K 19/07 (20060101); G06K 019/06 ()

Expiration Date: 1/22/02018