Lens barrel

Details Lens barrel Lens barrel

1994-12-15

1996-06-04

Ben, Loha

Optical: systems and elements

Lens

With support

359825, 359694, 359699, 354485, 361749, G02B 702

Patent

active

055238920

ABSTRACT:
A lens barrel having a fixed cylinder for holding a photographic optical system, and a rotary cylinder surrounding the fixed cylinder which is provided with a fitting portion for holding the rotary cylinder rotatively, and also, a diametral portion whose diameter is smaller than this fitting portion. The lens barrel further having a printed-circuit board having electric components assembled thereon. This printed-circuit board is arranged on the aforesaid diametral portion of the fixed cylinder in the space formed between the inner circumference of the rotary cylinder and the diametral portion.

REFERENCES:
patent: 4864348 (1989-09-01), Fuziwara et al.
patent: 4951083 (1990-08-01), Okura et al.
patent: 4964697 (1990-10-01), Fuziwara
patent: 4990948 (1991-02-01), Sasaki et al.
patent: 5204806 (1993-04-01), Sasaki et al.
patent: 5231449 (1993-07-01), Nomura
patent: 5349475 (1994-09-01), Nomura et al.

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