Camera

Details Camera Camera

1992-07-30

1995-03-07

Adams, Russell E.

354441, G03B 1336

Patent

active

053963105

ABSTRACT:
A camera includes a light measuring circuit for performing measurement of a luminance of a subject, a computing circuit for performing a computation on an aperture value and/or a shutter speed by using a result of the measurement performed by the light measuring circuit, a switching device for switching the photographic mode of the camera, a locking device for locking the aperture value and/or the shutter speed computed by the computing circuit, and a controlling circuit for causing the computing circuit to compute, if the photographic mode is switched to another photographic mode by the switching device after the aperture value and/or the shutter speed has been locked by the locking device, a new aperture value and/or a new shutter speed corresponding to the aforesaid other photographic mode by using the result of the measurement performed by the light measuring circuit.

REFERENCES:
patent: 4721976 (1988-01-01), Aihara et al.
patent: 4769663 (1988-09-01), Yamaki et al.
patent: 4779115 (1988-10-01), Fujino et al.
patent: 4779117 (1988-10-01), Fujino et al.
patent: 4908651 (1990-03-01), Fujino et al.

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