1982-03-09
1984-02-14
Adams, Russell E.
3541271, G03B 708
Patent
active
044312849
ABSTRACT:
A light measuring device for camera so designed that by placing a plate whose reflection factor is different from that of the shutter curtain in front of the shutter curtain the distribution of the reflection factor of the shutter curtain is varied so as to vary the distribution of the light measurement.
REFERENCES:
patent: 3791276 (1974-02-01), Ueda et al.
patent: 3868703 (1975-02-01), Ueda
patent: 4065777 (1977-12-01), Maitani et al.
patent: 4097876 (1978-06-01), Uno et al.
Adams Russell E.
Canon Kabushiki Kaisha
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