Photography – With viewfinder – Selective or adjustable viewfinder field
Patent
1997-06-16
1998-10-27
Lee, Eddie C.
Photography
With viewfinder
Selective or adjustable viewfinder field
396380, 396435, G03B 1310
Patent
active
058289143
ABSTRACT:
A camera comprising a pair of front and rear viewfinder openings with a similar aspect ratio which defines a field of view through the front and rear viewfinder openings, and a masking device having a front masking opening with an aspect ratio that is different than the aspect ratio of the front and rear viewfinder openings and being supported to be positioned over the front viewfinder opening to change the field of view through the front and rear viewfinder openings, is characterized in that the masking device has a rear masking opening with the same aspect ratio as the front masking opening and being connected to the front masking opening to be positioned over the rear viewfinder opening when the front masking opening is positioned over the front viewfinder opening. Preferably, the masking device includes an endless masking belt having the pair of front and rear masking openings.
REFERENCES:
patent: 2542939 (1951-02-01), Cisski
patent: 2552940 (1951-05-01), Cornut
patent: 3118014 (1964-01-01), Winkler
patent: 4973997 (1990-11-01), Harvey
patent: 5430517 (1995-07-01), Zander
patent: 5471265 (1995-11-01), Shibata et al.
patent: 5530510 (1996-06-01), Alligood
patent: 5555058 (1996-09-01), Huang et al.
patent: 5689743 (1997-11-01), Horning et al.
Eastman Kodak Company
Fields Roger A.
Lee Eddie C.
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