Focusing system for camera apparatus

Details Focusing system for camera apparatus Focusing system for camera apparatus

G - Physics

03

B

88/94.5

G03B 3/10 (2006.01) G02B 7/09 (2006.01) G02B 7/36 (2006.01) H04N 5/232 (2006.01)

Patent

CA 1296933

7341 Title: FOCUSING SYSTEM FOR CAMERA APPARATUS ABSTRACT OF THE DISCLOSURE An automatic focusing system for a camera apparatus utilizes a two-dimensional photosensitive array to determine image sharpness as a function of the image information sensed in both the rows and columns of individual photosensitive pixel elements. A transfer function may be imposed upon the electronic information signal derived from the two-dimensional photoresponsive array or, alternatively, upon the incident scene light to the two-dimensional photoresponsive array to centerweight the focus condition determining signal where the principle subject will be most likely framed.

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