| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to diving equipment, particularly, to underwater sound communication and direction-finding means used by divers. Diver direction-finder integrated with underwater sound communication station consists of pulse generator and two identical pulse receivers, each being provided with antenna arranged at the left or the right of diver. Outputs of direction-finder receive channels are connected with switchboard which connects diver left or right phones to underwater sound station depending upon antenna receiving pulse generator signals from another diver.EFFECT: simultaneous communication and direction-finding.2 cl, 1 dwg |
