Warning and signalling device, especially for maritime purposes

Details Warning and signalling device, especially for maritime purposes Warning and signalling device, especially for maritime purposes

1979-11-20

1981-08-04

Blix, Trygve M.

Signals and indicators

Navigation devices

116210, B63B 2152

Patent

active

042814278

ABSTRACT:
The present warning and/or signalling device is intended to provide radar signal reflections for locating a ship or an aircraft wreck or reflected warning signals when sensing the approach of a vessel, such as a submarine. For this purpose a radar reflector forms a unit with a first buoyancy or lift structure. The unit in turn is stored in a second buoyancy or lift structure which may be placed below or above sea level. The second buoyancy or lift structure is further equipped with identification and/or other types of sensors.

REFERENCES:
patent: 1202315 (1970-08-01), Schermuly
patent: 2208786 (1940-07-01), Astle
patent: 2923917 (1960-02-01), McPherson et al.
patent: 3930448 (1976-01-01), Barber et al.
patent: 4102296 (1978-07-01), Felix
patent: 4120259 (1978-10-01), Wilson

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