| 摘要 |
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 axes, a north-seeking apparatus for giving a north-seeking action to the gyro, a follow-up ring following up the gyro around its vertical axis, a servo motor for rotating the follow-up ring by a deviation singal around the vertical axis of teh gyro relative to the follow-up ring and a transmiting apparatus for transmitting an azimuth angle of the spin axis relative to the binnacle to the outside, the gyro apparatus is characterized in that the transmitting apparatus is formed of a digital encoder having a reference angular position transmitting device and a first counter apparatus being made operable by an output signal of the encoder.
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