| 摘要 |
<p>An hermetically sealed fibre optic gyroscope assembly has loops of optic fibre on a support ring in a sealed casing comprising a base plate, a perimeter wall upstanding from the base plate and a cover secured to the perimeter of the wall, together with optical circuitry located within the casing for directing light around the optic fibre loops together with electrical connecting circuitry passing from the optical circuitry to external terminals in sealed engagement with the casing.</p> |
