Camera with a line-of-sight detecting device

A camera with a line-of-sight detecting device, having a light source illuminating an eye of a photographer with light; a conversion device converting reflected light from the illuminated eye to an output corresponding to the intensity of the reflected light; and an eye gazing point determination sy...

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Bibliographic Details
Main Authors SATO; SHIGEMASA, WATANABE; TOSHIMI, TAZAKI; KENJI
Format Patent
LanguageEnglish
Published 17.06.1997
Edition6
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A camera with a line-of-sight detecting device, having a light source illuminating an eye of a photographer with light; a conversion device converting reflected light from the illuminated eye to an output corresponding to the intensity of the reflected light; and an eye gazing point determination system identifying an eye-gazing point of the photographer when an output difference or an output ratio between a peak output and a background output of the conversion device is greater than a predetermined value and when the magnitude of a peak output from the conversion device is within a predetermined range.
Bibliography:Application Number: US19940259128