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Apparatus and method for the processing of acoustical realtime-information
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Device for processing acoustic information
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Control apparatus for transmitting I.R.
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IR EMITTER
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Arrangement for signalling unauthorized removal of mobile objects
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ELECTROACOUSTIC DISCUSSION SYSTEM
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COMPUTER-CONTROLLED ELECTRO-ACOUSTIC DISCUSSION SYSTEM
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Interpreter system
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METHOD FOR LOGGING THE TALKING CONTRIBUTIONS TRANSMITTED IN AN ELECTROACUSTIC DISCUSSION SYSTEM
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Procedure for monitoring the maximum operating time of a radio receiver
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Inductive loop radio receiver system for improved reception - is fitted with inductive and capacitive pick-ups for enhanced signal strength
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Multichannel sound signals transmission system - is for translated texts in simultaneous translation system
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