DE3034438
A communications system is disclosed including a radio junction box controlling a number of radios and a number of crew boxes all linked by a ring circuit consisting of a single coaxial cable which provides both power supply and information. The various communication channels between the crew boxes...
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Main Author | |
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Format | Patent |
Language | English |
Published |
22.10.1987
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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