Ships – Submersible device – Superstructure
Patent
1982-01-29
1984-07-17
Basinger, Sherman D.
Ships
Submersible device
Superstructure
307129, 361203, B63G 838
Patent
active
044599358
ABSTRACT:
A system for gating a computer to receive navigational information from the osition sensors of the periscope assembly of a submarine is disclosed. A first coil is connected as the load coil of an oscillator and is mounted in a stationary position on a submarine bulkhead. A second coil is secured to the periscope assembly and moves up and down with the periscope, in and out of magnetic coupling with the first coil. A third coil is secured to the periscope assembly and moves up and down with the periscope assembly. A fourth coil is secured to the rotatable periscope assembly and remains magnetically coupled to the third coil while the periscope is either rotated or moved up and down. A normally opened switch button on the periscope handle is electrically connected to the fourth coil. Depression of the switch button results in a load on the oscillator which is otherwise normally tuned to the same frequency as a second oscillator. Loading of the first oscillator coil causes the first oscillator to operate at a different frequency from the second oscillator. This difference is detected by a frequency comparator, the output of which is connected to a relay. Depression of the normally opened switch on the periscope handle results in deactuation of the relay. A set of switch contacts are opened in response to deactuation of the relay permitting entry of position data into the computer navigational system from the periscope position sensors.
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Basinger Sherman D.
Beers Robert F.
Fendelman Harvey
Johnston Ervin F.
The United States of America as represented by the Secretary of
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