Image stabilizer for viewing devices

Details Image stabilizer for viewing devices Image stabilizer for viewing devices

1977-12-29

1979-05-22

Henry, Jon W.

G02B 2300

Patent

active

041556216

ABSTRACT:
In order to counteract the image jitter caused by vibrations of the platform on which a viewing instrument is being held, a reflector surface on the optic path within the instrument case is rotated by the combined shaft output of a precessing gyro and viscous dampener. In accordance with gyroscopic action the spin axis is perpendicular to the precession shaft and also to the axis about which the image is to be stabilized. Dampening is set to rotate the reflector in proportion to gyro precession.

REFERENCES:
patent: 2811042 (1957-10-01), Kenyon
patent: 3006197 (1961-10-01), Kenyon et al.
patent: 3558212 (1971-01-01), Ritchie

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