Displaying useful information on a display element
AssigneeGiesecke & Devrient GmbH
InventorMichael Baldischweiler
Life of this patent
Estimating the term…
Abstract
For displaying useful information (25) on a display element (21) of a terminal device (20), display data comprising useful information (25) are displayed (S2) on the display element (21), and light signals (18) are emitted (S3) to the display element (21) by a light signal unit (12) of a portable data carrier (10), wherein the display data are so displayed (S2) on the display element (21), and the light signals (18) so emitted (S3) to the terminal device (20), that a viewer of the display element (21) can recognize (S5) the useful information (25).
Claims52
A method for displaying useful information, the method comprising the steps:
- displaying display data on a display element of a terminal device, the display data comprising the useful information;
- and
- emitting light signals by a portable data carrier to the display element, the portable data carrier including a light emitting unit, the light emitting unit emitting the light signals,
- wherein the lights signals include electromagnetic waves within the electromagnetic wave spectrum, and
- wherein the useful information, which is not recognizable in the display data for a viewer of the display element when the display data are displayed on the display element without the light signals emitted by the portable data carrier to the display element, becomes recognizable in the displayed data for the viewer of the display element when the light signals are emitted by the portable data carrier to the display element.
A portable data carrier useable as an interface for connection to a terminal device, the data carrier comprising:
- a light emitting unit adapted to emit light signals to a display element of a terminal device, the terminal device being connectable to the data carrier, wherein
- the lights signals include electromagnetic waves within the electromagnetic wave spectrum,
- the display element of the terminal device is configured to display display data to a viewer,
- the display data includes useful information, and
- the light signals cause the useful information, which is not recognizable in the display data for a viewer of the display element when the display data are displayed on the display element without the light signals emitted by the portable data carrier to the display element, to become recognizable in the displayed data for the viewer of the display element when the light signals are emitted by the portable data carrier to the display element.
Dependencies are inferred from the claim text.