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EP0314931A2
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Method and apparatus for transmitting a plurality of control signals in antenna systems
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EP0314930A2
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Method and apparatus for transmitting control signals to actuators in television satellite receivers
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EP0285869A2
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A tuning arrangement for the reception of television signals transmitted by earth stations and by satellites
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EP0058289A1
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Arrangement for the automatic orientation of an antenna in a radio receiver or television set by means of a telecontrol
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EP0033434A1
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An arrangement for remotely switching over two or more antenna taps of a television set
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