Gyro comprising a ring laser in which beams of different oscillation frequencies coexist and propagate in mutually opposite circulation directions, driving method of gyro, and signal detecting method
AssigneeCanon Kabushiki Kaisha
InventorTakahiro Numai
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Abstract
A gyro apparatus has a ring laser in which laser beams of different oscillation frequencies coexist and propagate in mutually opposite circulation directions in an optical resonator, a power source of driving for the ring laser, a device for measuring a difference between the oscillation frequencies of the laser beams, and a device for controlling the power source of driving according to the frequency difference.
Claims15
A gyro apparatus comprising a ring laser in which laser beams of different oscillation frequencies coexist and propagate in mutually opposite circulation directions in an optical resonator, a power source for driving the ring laser, a device for measuring a difference between the oscillation frequencies of the laser beams, and a device for controlling said power source for driving to maintain a constant difference between the oscillation frequencies.
Dependencies are inferred from the claim text.