Gyro-compass apparatus

A gyro-compass apparatus with two degrees of freedom, and hence having a short period of oscillation, wherein the weight of the gyroscope rotor (2) and its housing (2a) are supported vertically by either a thread suspension system (1) or by a liquid or air cushion and the horizontal forces acting up...

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Bibliographic Details
Main Author FERENC PUSZTAI
Format Patent
LanguageEnglish
Published 07.11.1984
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Summary:A gyro-compass apparatus with two degrees of freedom, and hence having a short period of oscillation, wherein the weight of the gyroscope rotor (2) and its housing (2a) are supported vertically by either a thread suspension system (1) or by a liquid or air cushion and the horizontal forces acting upon it are taken up by independent bearings (3). Digital angle reading and setting up is done by using a reference mark on a carrier (7) arranged on an automatic follower element (21). Measurements may also be carried out in combination with a theodolite (23) arranged on a common body e.g. in a vehicle. The azimuth of the reference direction or of a direction sighted using the theodolite, can be determined by adding up the measured angles from the starting direction with the use of a common digital indicator (14) connected to sense angular movement of the gyrocompass pendulum and of the theodolite telescope.
Bibliography:Application Number: GB19840009796