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Publication of FR585927ApublicationCriticalpatent/FR585927A/en
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
H04B1/40—Circuits
H04B1/44—Transmit/receive switching
H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
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Computer Networks & Wireless Communication
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Signal Processing
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FR585927D1923-09-181924-09-17
Improvements in wireless telegraphy devices
ExpiredFR585927A
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