Anti-vibration optical device

Details Anti-vibration optical device Anti-vibration optical device

1994-03-25

1996-05-14

Dzierzynski, Paul M.

Optical: systems and elements

Signal reflector

Discrete reflecting elements formed as a unitary mass

359554, 356 16, G02B 2764, G01C 312

Patent

active

055173578

ABSTRACT:
An optical device having an objective lens system including at least two lens groups (at least one of which is shiftable in the optical axis direction), a vibration detector for detecting a vibration of the objective lens system, and outputting a signal indicating the vibration of the objective lens system, a vibration compensation unit arranged at a position other than the position of the most-object side lens group of the objective lens system, and at least one shift amount detector for detecting the shift amount, in the optical axis direction, of the shiftable lens of the objective lens system, and outputting a signal indicating the shift amount. The drive amount of the vibration compensation unit is calculated based on the signal from the shift amount detector and the signal from the vibration detector.

REFERENCES:
patent: 5192964 (1993-03-01), Shinohara et al.
patent: 5235375 (1993-08-01), Yamana et al.
patent: 5270857 (1993-12-01), Oizumi et al.
patent: 5315435 (1994-05-01), Horiuchi
patent: 5331467 (1994-07-01), Sato

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