Enhancing path length resets in a ring laser gyro

Details Enhancing path length resets in a ring laser gyro Enhancing path length resets in a ring laser gyro

G - Physics

01

C

G01C 19/66 (2006.01)

Patent

CA 2251389

In a ring laser gyro, a path length modulation signal is applied to an amplifier with two gain levels and the amplifier's output is added to a path length transducer drive signal that changes the gyro's path length. When a path length reset signal is produced, the higher gain signal is selected and maintained for a short interval after the reset signal.

Dans un gyrolaser annulaire, un signal de modulation de longueur de trajet est appliqué à un amplificateur à deux niveaux de gain, la sortie de cet amplificateur étant ensuite ajoutée à un signal d'attaque de transducteur à longueur de trajet, qui modifie la longueur de trajet gyroscopique. Lorsqu'un signal de mise à zéro d'une longueur de trajet est produit, le signal au plus grand gain est sélectionné et maintenu pendant un court intervalle après le signal de mise à zéro.

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