| 摘要 |
Sensor of angular displacement about two orthogonal axes applicable in particular to the control column of a battle tank, characterised in that it comprises in combination: - a light emitter E, which is fixed in position, generating a parallel light beam F, - a photosensitive receptor R of the type with four quadrants Q1, Q2, Q3, Q4, which are also fixed in position, arranged opposite the emitter E, and - a plate L with parallel faces, integral with a mobile element T which can move about two orthogonal axes alpha , beta and is interposed on the path of the parallel light beam F generated by the emitter E. <IMAGE>
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