Image information input system

Details Image information input system Image information input system

1980-12-22

1982-07-13

Adams, Russell E.

354 59, 354 25, G03B 708

Patent

active

043391850

ABSTRACT:
In a camera or a printer, exposure is controlled based on a selected mode of light measuring means which has a number of different modes of weighting for differently weighting various parts of an image in light measurement. In the light measuring means, there are provided a number of image information operating means which have different ways of weighting various parts of an image. The weighting mode is properly selected according to the kind of the scene of the image. The light measuring means comprises a number of photodetectors arranged in the form of arrays and a number of operating means for weighting the outputs of the photodetectors in different ways.

REFERENCES:
patent: 4047187 (1977-09-01), Masnimo et al.
patent: 4075640 (1978-02-01), Ueda et al.
patent: 4104654 (1978-08-01), Maitani et al.
patent: 4182573 (1980-01-01), Yamada et al.

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