Display device for a portable data carrier

Details Display device for a portable data carrier Display device for a portable data carrier

2005-06-07

2005-06-07

Frech, Karl D. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S379000, C235S380000, C235S382000, C235S383000, C235S462490, C235S492000, C902S025000, C902S026000

Reexamination Certificate

active

06902115

ABSTRACT:
The invention relates to a portable data carrier having a display device. This data carrier contains a microprocessor and storage devices associated with the microprocessor as well as means for displaying data stored in the storage devices associated with the microprocessor. In addition, the data carrier contains a display controller for controlling the display means and an energy supply unit for supplying at least the display unit and its controller with energy.Such a data carrier is to be improved so as to reduce the energy demand for the display unit. This is obtained by a nonvolatile memory disposed separately from the microprocessor and its storage device, said memory being associated with the controller of the display means and containing the data intended for display.

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