Electro-developing type camera

Details Electro-developing type camera Electro-developing type camera

1997-03-31

1999-08-10

Metjahic, Safet

Photography

Camera combined with or convertible to diverse art device

396225, 348366, G03B 1748

Patent

active

059372214

ABSTRACT:
An electro-developing recording medium has a plurality of recording areas for recording R, G and B color images. The exposure operation is performed so that the aperture value and the basic exposure time are determined. The R/G signal and the B/G signal outputted from the white balance sensor are read. The basic exposure time is adjusted in accordance with the R/G signal and B/G signal, so that the actual exposure times regarding the R and B images are calculated. When the shortest exposure time of the actual exposure times corresponding to R, G, and B images is shorter than a limit value, a warning sound may be outputted by a buzzer. Further, the aperture value may be increased by an amount corresponding to, for example, 0.5 Ev. In accordance with the increased aperture value, the exposure time is recalculated.

REFERENCES:
patent: 4945423 (1990-07-01), Takanashi et al.
patent: 5315410 (1994-05-01), Takanishi et al.
patent: 5424156 (1995-06-01), Aoki et al.
patent: 5555205 (1996-09-01), Okabe
patent: 5646927 (1997-07-01), Shimizu et al.

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