Control element with animated symbols

Details Control element with animated symbols Control element with animated symbols

2006-06-15

2009-02-03

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Indicators

C200S314000

Reexamination Certificate

active

07485821

ABSTRACT:
A control element for an electric control device is disclosed that includes a freely programmable symbolic system, whereby the symbols are projected into a side of the control element that is facing away from the operator by a controllable display unit and an illuminating device arranged in front thereof, or by a controllable display unit and an optics, or by a controllable display unit and a light guide, and whereby the symbols are made visible by a transmissive layer on the side of the control element that faces the operator, whereby alternating symbols are generated in the display unit.

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Horst-Robert Fickel et al., “MFT 1632 with built-in LCD: The key to safer control.” Electromechanical Components, Siemens AG, Munich, DE, vol. 27, No. 6, Nov. 1, 1992, pp. 24-27; XP000328748. ISSN: 0945-1137.

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