Image blur detection apparatus for use with apparatus including

Details Image blur detection apparatus for use with apparatus including Image blur detection apparatus for use with apparatus including

1997-02-25

1998-06-23

Adams, Russell E.

Photography

Camera shake sensing

G03B 1700

Patent

active

057714037

ABSTRACT:
When appropriate information related to an image blur is not input in accordance with the movement state of a moving member, e.g., when the lens length becomes larger to cause an area sensor for detecting the image blur to be partially in the shade of a lens, and a light beam as the image blur information is not incident on a portion of the area sensor, a portion of the information is invalidated, e.g., information from the portion of the area sensor, which is in the shade of the lens, is not used for image blur detection, so that inappropriate information is not used for image blur prevention, thereby preventing an inappropriate image blur prevention operation.

REFERENCES:
patent: 5012270 (1991-04-01), Sekine et al.
patent: 5262820 (1993-11-01), Tamai et al.
patent: 5307113 (1994-04-01), Egawa

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