B - Operations – Transporting – 63 – G
Patent
B - Operations, Transporting
63
G
317/26, 317/29
B63G 9/06 (2006.01) F41H 3/00 (2006.01)
Patent
CA 1267689
23260-337 Case 2764 ABSTRACT The present invention relates to a method and an apparatus for the reduction of the magnetic identity for such ship parts, primarily ship's guns, the aiming, fire control and possibly firing of which are controlled by a computer (15). According to the present invention, this computer (15) is used to control amplifiers which supply electromagnetic coils (7-10) built in around the part with the current required for compensation of the magnetic identity of the gun in every specific position. The calculations performed by the computer (15) are then based on information on the latitude, course, speed and rolling and pitching position of the ship which it continually fetches from the log (17) of the ship and a gyro reference system (19) as well as on information on the angles of traverse and elevation of the gun (1) which it continuously fetches from angle transducers (20 and 21) disposed at the gun.
489940
Ahs Roland
Gustavsson Lars-Goran
Kindroth Hans
Ahs Roland
Aktiebolaget Bofors
Fetherstonhaugh & Co.
Gustavsson Lars-Goran
Kindroth Hans
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