Photography – Having camera indicator
Patent
1999-03-12
2000-05-23
Blankenship, Howard B.
Photography
Having camera indicator
G03B 702, G03B 1718
Patent
active
060674237
ABSTRACT:
A camera comprising an aperture through which ambient light is passed to cause a film exposure, at least one shutter blade supported for opening movement to uncover the aperture to permit ambient light to pass through the aperture and for closing movement to re-cover the aperture and susceptible of being moved open accidentally such as when the camera is dropped or jarred, and a shutter release button manually depressible to initiate opening movement of the shutter blade, is characterized in that an indicator is activatable to provide a warning the shutter blade has been moved open without the shutter release button having been manually depressed, whereby the warning indicates the shutter blade has been moved open accidentally such as when the camera is dropped or jarred.
REFERENCES:
patent: 3358572 (1967-12-01), Steisslinger
patent: 3909568 (1975-09-01), Greenhut
patent: 4135797 (1979-01-01), Ohmura et al.
patent: 4313658 (1982-02-01), Sugiura et al.
patent: 4403844 (1983-09-01), Namai
patent: 4982684 (1991-01-01), Rubey
patent: 5400868 (1995-03-01), Ellis et al.
patent: 5528228 (1996-06-01), Wilk
Boyd James D.
Cramer Michael P.
Smith Stephen J.
Blankenship Howard B.
Eastman Kodak Company
Fields Roger A.
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