Camera having checking function

Details Camera having checking function Camera having checking function

1988-11-23

1990-02-20

Adams, Russell E.

354219, G03B 2900

Patent

active

049030566

ABSTRACT:
A camera having checking function in which part of a light beam passing through the conjugate system of the camera lens unit is taken out. The light beam taken is passed through a focusing optical system to focus an optical image on an imaging device, and the imaging device outputs a picture signal corresponding to the optical image focused.

REFERENCES:
patent: 3883883 (1975-05-01), Sano et al.
patent: 4303322 (1981-12-01), Someya
patent: 4704022 (1987-11-01), Nozawa et al.
patent: 4716470 (1987-12-01), Levine

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