Camera autofocus technique

Details Camera autofocus technique Camera autofocus technique

1984-03-28

1986-03-04

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

354400, H04N 5232

Patent

active

045743142

ABSTRACT:
An autofocus system is provided for facilitating the focusing of a camera. An autofocus device is tiltably mounted on the camera body. Its position is controlled by an eye-movement-monitoring apparatus responsive to movements of the cameraman's eyes. As the cameraman shifts the position of his eyes, the autofocus device is controlled to move accordingly so it is aimed at the same portion of the scene viewed by the cameraman. The autofocus device then suitably controls the lens focus.

REFERENCES:
patent: 3542457 (1970-11-01), Balding
patent: 3699248 (1972-10-01), Mckechnie
patent: 3923370 (1975-12-01), Mostrom
patent: 4019813 (1977-04-01), Cornsweet
patent: 4034401 (1977-07-01), Mann
Methods and Designs-Survey of Eye Movement Recording Methods, by Young and Sheena, Behavior Research Methods & Instrumentation, 1975 vol. 7(5), pp. 394-429.

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