초록 ▼

In a camera and an autofocus controlling method thereof, displacement amounts between intensity distributions of light at corresponding first and second areas of an image sensing device are detected, and a plurality of displacement detection signals are generated. A high contrast area of an object t

In a camera and an autofocus controlling method thereof, displacement amounts between intensity distributions of light at corresponding first and second areas of an image sensing device are detected, and a plurality of displacement detection signals are generated. A high contrast area of an object to be photographed is also detected, and a contrast detection signal corresponding to that area is produced. A focus detection signal is produced based on one of the plurality of displacement detection signals corresponding to the contrast detection signal.

대표청구항 ▼

A camera comprising: an image sensing device having a plurality of photoelectric conversion elements in a light-receiving portion thereof, said photoelectric conversion elements including a one-dimensional array of said elements in a first light-receiving area of said light-receiving portion and a o

A camera comprising: an image sensing device having a plurality of photoelectric conversion elements in a light-receiving portion thereof, said photoelectric conversion elements including a one-dimensional array of said elements in a first light-receiving area of said light-receiving portion and a one-dimensional array of said elements in a second light-receiving receiving area of said light-receiving portion; an optical system for directing two light beams from an object to be photographed to said first light-receiving area and said second light-receiving area, respectively, said image sensing device being responsive to intensity distributions of light incident on said photoelectric conversion elements; a displacement detection device, responsive to said image sensor device, which detects an amount of displacement between an intensity distribution of one of said beams at each of a plurality of sub-areas in said first light-receiving area and an intensity distribution of the other of said beams in said second light-receiving area, and which generates a plurality of displacement detection signals from at least a portion of said sub-areas in said first light-receiving area and at least a portion of said second light-receiving area, each of said displacement detection signals indicating a detected amount of displacement; a contrast detection device which detects a high contrast area in the object and produces a contrast detection signal corresponding to said high contrast area; and a focus detection device which produces a focus detection signal based on one of said plurality of displacement detection signals corresponding to said contrast detection signal.