Importance

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Abstract

A method for generating control data for controlling an elevator system includes the steps:

Projecting or depicting an image of an operating panel on an operating surface to be visually perceived by a user; Detecting a region of the surface, touched by the user, within the image by optically monitoring the surface, then detecting whether a small-area region arises within the image with a temperature deviating from the surrounding large-area regions and with a temperature equalizing with the temperature of the surrounding regions over time; Generating the control data as a function of a position of the region touched by the user relative to the image; Transmitting the generated control data to a control device of the elevator system. The method may be implemented using a portable device carried by the user and equipped with a projector and an infrared camera thereby eliminating conventional operating panels in the elevator system.

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First Claim