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Function display for selectively displaying several symbols that respectively represent a switching function and/or several switching states, with an alignment function of the light sources, and associated assembly method |
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Method for operating a mobile device in a railway system, railway system and mobile device |
— |
2017-05-09 |
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Generating a traffic encryption key |
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2012-09-04 |
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Hyung-Nam Choi, Manfred Zimmermann, Michael Eckert |
2011-08-02 |
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Method and apparatus for handover of wireless communication between networks |
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Distance measurement in a radio communication device |
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2009-12-29 |