G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
G01P3/02—Devices characterised by the use of mechanical means
G01P3/16—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses
G01P3/18—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses transferred to the indicator by mechanical means