Communication apparatus

Communication apparatus comprises a first transceiver unit 205A and a signal processing device 106 configured to receive a signal from the first transceiver unit and to produce a signal for transmission by the first transceiver unit. A cable 201A connects the first transceiver unit to the signal pro...

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Bibliographische Detailangaben
Hauptverfasser:	Stephen Derek Finch, Duncan Peter Rowe, Matthew Robert Gore
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	Communication apparatus comprises a first transceiver unit 205A and a signal processing device 106 configured to receive a signal from the first transceiver unit and to produce a signal for transmission by the first transceiver unit. A cable 201A connects the first transceiver unit to the signal processing device. The first transceiver unit comprises a housing, a first pair of transducers 204T, 204R located at, or adjacent, a first end of the housing, and a second set of transducers 206T, 206R located at, or adjacent, an opposite end of the housing.