Exposure and view finder orientation switching mechanism for a c

Details Exposure and view finder orientation switching mechanism for a c Exposure and view finder orientation switching mechanism for a c

1997-02-28

2000-05-16

Lee, Eddie C.

Photography

With viewfinder

Selective or adjustable viewfinder field

396435, 396436, G03B 1310, G03B 1700

Patent

active

060648341

ABSTRACT:
When a switching lever is positioned for horizontal photographing, an exposure frame composed of two switching frames is switched to a horizontal photographing exposure frame. When the switching lever is positioned for vertical photographing, a wheel ring starts rotating about a photographic optical axis, and the switching frames start moving by the operation of elongated holes. When the switching lever is positioned for vertical photographing, the exposure frame composed of two switching frames is switched to a vertical photographing exposure frame.

REFERENCES:
patent: 5066971 (1991-11-01), Kodaira
patent: 5493356 (1996-02-01), Tokui
patent: 5539489 (1996-07-01), Yamamoto
patent: 5550606 (1996-08-01), Jansen, Jr. et al.
patent: 5583591 (1996-12-01), Saito et al.
patent: 5587755 (1996-12-01), Wilson
patent: 5592252 (1997-01-01), Kobayashi et al.
patent: 5602606 (1997-02-01), Yazawa
patent: 5652932 (1997-07-01), Kobayashi et al.
patent: 5659832 (1997-08-01), Nishizawa et al.
patent: 5678081 (1997-10-01), Tanaka
patent: 5749012 (1998-05-01), Kodaira

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