Focus detecting apparatus of camera

Details Focus detecting apparatus of camera Focus detecting apparatus of camera

1997-06-10

1999-02-09

Perkey, W. B.

Photography

With exposure objective focusing means, focusing aid, or...

Having accumulation photoarray and time control means

396121, 348298, G03B 1336, H04N 314

Patent

active

058706356

ABSTRACT:
A focus detecting apparatus includes a first object distance measuring zone located above a center portion of the finder field of view, second and third object distance measuring zones located on opposite sides of the center portion of the finder field of view, first, second and third automatic focusing optical systems for converging luminous fluxes of objects to be photographed in first, second and third object distance measuring sensors on which the luminous fluxes of the objects in the first, second and third object distance measuring zones are converged by the associated first, second and third automatic focusing optical systems.

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Optics and Laser Technology, Oct. 1974, "Self-scanned photo--diode arrays--characteristics and applications" by M.A.Vann.

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