초록 ▼

An automatic focus adjusting apparatus is provided with a light sensor producing a photoelectric output corresponding to the optical image of an imaged object, an operation device generating control information indicative of the in-focus position of a phototaking lens with respect to the object in r

An automatic focus adjusting apparatus is provided with a light sensor producing a photoelectric output corresponding to the optical image of an imaged object, an operation device generating control information indicative of the in-focus position of a phototaking lens with respect to the object in response to the photoelectric output, a servo circuit for driving the phototaking lens in response to the control information, and filter means for transmitting the control information of the operation device to the servo circuit and controlling the responsiveness of the servo circuit to the control information.

대표청구항 ▼

In an automatic focus adjusting apparatus for forming the image of an object by an imaging optical system on a predetermined imaging plane, said apparatus having detecting means for detecting the positional relation between the image of said object and said imaging plane from the output of a light r

In an automatic focus adjusting apparatus for forming the image of an object by an imaging optical system on a predetermined imaging plane, said apparatus having detecting means for detecting the positional relation between the image of said object and said imaging plane from the output of a light receiving element array and successively producing detection signals indicative of said relation with lapse of time, the improvement comprising: means capable of storing a predetermined number of said detection signals, averaging means for averaging said predetermined number of detection signals and creating an adjusted control signal; and means for driving said imaging optical system for focuing the same in response to said adjusted control signal.