Stereoscopic image observing apparatus

Details Stereoscopic image observing apparatus Stereoscopic image observing apparatus

2004-05-14

2008-08-26

Leubecker, John P. (Department: 3739)

Television

Stereoscopic

Stereoscopic display device

C348S042000, C348S051000

Reexamination Certificate

active

07417665

ABSTRACT:
A stereoscopic image observing apparatus includes a right-eye projector1and a left-eye projector2which illuminate projected light for right and left eyes with the parallax generated based on an image pick-up signal obtained from a stereoscopic endoscope8, a Fresnel lens17which applies and reflects the lens operation with the positive polarity to the projected light of the illuminated images for the right and left eyes, and an optical shift element layer16having liquid crystal20and a double refraction plate19for changing and diffusing on time series the reflecting position of the reflected light of the images for the right and left eyes from the Fresnel lens17.

REFERENCES:
patent: 6095652 (2000-08-01), Trayner et al.
patent: 6215590 (2001-04-01), Okano
patent: 6250778 (2001-06-01), Doumuki
patent: 6752498 (2004-06-01), Covannon et al.
patent: 2003/0151809 (2003-08-01), Takahashi et al.

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