Lens barrel

Details Lens barrel Lens barrel

1996-11-27

1998-08-04

Epps, Georgia Y.

Optical: systems and elements

Lens

With variable magnification

359701, 359827, G02B 1514, G02B 702

Patent

active

057903190

ABSTRACT:
A lens barrel includes a fixed tube, a moving tube arranged to move in the direction of an optical axis over the outer circumference of the fixed tube and to have a cutout part, and a band-like circuit board disposed around the optical axis on the outside of the fixed tube and having a part located inside the moving tube within an area corresponding to the cutout part and a part located outside the moving tube within an area other than the area corresponding to the cutout part.

REFERENCES:
patent: 4247170 (1981-01-01), Yamamoto
patent: 4273423 (1981-06-01), Uesugi
patent: 4286845 (1981-09-01), Kamata
patent: 4382661 (1983-05-01), Kamata
patent: 4596454 (1986-06-01), Kawai et al.
patent: 4763987 (1988-08-01), Ando
patent: 4893145 (1990-01-01), Kohmoto
patent: 4990948 (1991-02-01), Sasaki et al.
patent: 5148199 (1992-09-01), Kohmoto
patent: 5223980 (1993-06-01), Hamasaki
patent: 5225938 (1993-07-01), Nomura
patent: 5231473 (1993-07-01), Kawamura
patent: 5282090 (1994-01-01), Suzuki
patent: 5515205 (1996-05-01), Yokoyama et al.
patent: 5586467 (1996-12-01), Weber

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