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6354011 |
Orientation measuring device
An orientation measuring device with a plurality of precision tooled grooves, indentations or the like. Two precision tooled adaptor bodies, preferably of cylindrical shape, are removably mountable...
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4791727 |
Gyro apparatus
In a gyro apparatus comprising a binnacle, a gyro the spin axis of which is made substantially horizontal, a supporting apparatus for supporting the gyro from the binnacle with a freedom of three...
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4481718 |
Adjusting arrangement for compass repeaters
The compass repeaters of a gyro-compass are adjusted by a follow-up motor (1) in response to differential signals between the north-indicating gyro-system and a gyro-system enveloping bowl (18)...
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4458426 |
Gyroscopic apparatus
A gyrocompass has a gimbal (18;218) rotatable about an upright axis (22;222) and a gyro (10;210) rotatably mounted in this gimbal (18;218) about an inner axis (16;216) transverse to the upright...
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3917928 |
Comparator for step data gyro compasses
Apparatus for monitoring the operation of pairs of step data compasses, each being of the type which produces a number of phase-displaced pulses dependent upon the rotation of the compass. The...
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3746843 |
DIGITAL COMPASS REPEATER READOUT DEVICE
A solid state digital readout device for use with gyrocompass step data in the form of either current sinking logic or current sourcing logic. The input data is waveshaped in a plurality of...
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3630079 |
NAVIGATION METHOD AND APPARATUS UTILIZING MULTIPLE SENSORS
The disclosure is directed to a navigation system for a vessel including a radio navigation system for generating signals representative of the absolute position of the vessel. A second independent...
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3283408 |
Meridian and latitude indicator
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2811785 |
Gyroscopic direction-indicating instruments
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3717335 |
Title is not available
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