Optical apparatus

Details Optical apparatus Optical apparatus

1996-12-17

1997-11-18

Epps, Georgia Y.

Optical: systems and elements

Lens

With variable magnification

359694, G02B 1514

Patent

active

056893752

ABSTRACT:
An optical apparatus includes a lens movably supported, a driving part arranged to rotate for causing the lens to move, a moving mechanism arranged to cause the lens to move by the rotation of the driving part, and an adjusting mechanism arranged to cause the moving mechanism to move the lens for fine adjustment by applying rotational driving to the moving mechanism without recourse to the driving part.

REFERENCES:
patent: 4230403 (1980-10-01), Hashimoto
patent: 5052781 (1991-10-01), Iizuka
patent: 5144490 (1992-09-01), Yamanochi
patent: 5144494 (1992-09-01), Sekiguchi
patent: 5177639 (1993-01-01), Kohmoto
patent: 5196963 (1993-03-01), Sato
patent: 5198932 (1993-03-01), Takamura
patent: 5270868 (1993-12-01), Nomura
patent: 5335115 (1994-08-01), Kawai et al.
patent: 5424793 (1995-06-01), Fukushima

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