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US 5,608,474 AGranted
Image displaying device
AssigneeSony Corporation
InventorsYoshio Fujiwara, Etsuro Saito
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AssigneeSony Corporation
InventorsYoshio Fujiwara, Etsuro Saito
Estimating the term…
An image displaying device which is able to prevent the occurrence of fluctuations in the picture which is projected on the screen, even if some positional fluctuations have occurred in the movie film. The optical axis correcting means is provided on the optical path of the transmitted light which has been obtained from the light source via the movie film, and also the detecting means is provided for detecting the quantity of the displacement from the base position at the time the movie film has stopped on the basis of the travel-synchronizing holes which have been formed in the longitudinal direction of the movie film, whereby the optical axis correcting means is able to change the angle of the optical axis of the transmitted light, according to the result of detection obtained from the detecting means, on the basis of drive controlling by the driving means. As a result the optical axis can be corrected. Thus, an image displaying device can be realized which is able to prevent the occurrence of fluctuations in the picture which is projected on the screen, even if some positional fluctuations have occurred in the movie film.
An image displaying device wherein a movie film is intermittently stopped in a maimer synchronized with rotation of a sprocket by means of travel-synchronizing holes which have been formed longitudinally with respect to said movie film, and a light from a light source is projected on a stated region of said movie film at a stopped base position, and the light which has been passed through said movie film is displayed on a green, said image displaying device comprising:
Dependencies are inferred from the claim text.