Photography – Disposable or recyclable camera
Patent
1997-11-20
1999-02-23
Blankenship, Howard B.
Photography
Disposable or recyclable camera
G03B 1702
Patent
active
058753583
ABSTRACT:
A lens-fitted photo film unit is pre-loaded with unexposed photo film, and includes a taking lens. A shutter device is disposed between the taking lens and the photo film, and cocked in response to a winding operation of the photo film. The shutter device has a shutter blade for opening/closing a photographic light path in response to an external releasing operation. A flash device has a flash emitter window, and emits flash light in response to operation of the shutter device. Before inspection of the lens-fitted photo film unit, a front of the flash emitter window or a periphery of a front of the light path is covered by use of a light-shielding member. The light-shielding member avoids entry of flash light emitted from the flash emitter window into the light path. The flash device is charged. The shutter mechanism is cocked. The shutter mechanism is released while the light-shielding member covers the front. An operation of opening/closing of the shutter mechanism is inspected in response to the releasing operation. An operation of flash emission of the flash device is inspected.
REFERENCES:
patent: 5721960 (1998-02-01), Zander et al.
patent: 5754892 (1998-05-01), Yuito et al.
Blankenship Howard B.
Fuji Photo Film Co. , Ltd.
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