| 摘要 |
A rotation angle sensor has a fluid-filled container which houses a vane immersed in the fluid. The vane which rotates freely with respect to the container. The container is fixedly attached to a body for which rotation angle measurement is desired. When the body, and therefore container rotates, the fluid, and therefore vane tend to remain fixed with respect tot he rotation. The angle of rotation can therefore be measured by determining the amount the container has rotated with respect to the vane.
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