Autofocus control apparatus and method

Details Autofocus control apparatus and method Autofocus control apparatus and method

2005-12-27

2005-12-27

Porta, David (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

Reexamination Certificate

active

06979808

ABSTRACT:
Provided is an autofocus control apparatus in an image sensing apparatus which includes: an optical system including a focus lens; a solid-state image sensing device that photoelectrically converts light incident via the optical system into image signals and outputs the image signals; and a focus drive motor that drives the focus lens to adjust a focus position, the autofocus control apparatus comprising: a light-emitting section; and a focus position detector that performs focus position detection according to an active system and focus position detection according to a passive system on the basis of the image signals obtained from the image sensing unit.

REFERENCES:
patent: 5703351 (1997-12-01), Meyers
patent: 6686966 (2004-02-01), Hashimoto
patent: 5-119250 (1993-05-01), None
patent: 2000-111792 (2000-04-01), None
patent: 2000-184260 (2000-06-01), None

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