Since its first use in shipborne compasses in 1910, the gyroscope has been more than 100 years old. The process is roughly divided into four stages. The first stage is the ball bearings that support the top of the gyro motor and frame, and the 20th century. The liquid floatation and air float gyro developed from the late 40's to the early 50's; the second phase is the dry power flexible support rotor gyroscope developed since the 1960s; the third phase is represented by the laser gyro and the fiber optic gyro. The optical gyro; currently the development of the gyro has entered the fourth stage, namely the micro-machined gyro.
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