Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1989-08-23
1991-03-26
Peng, John K.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 92, 358 3, 350132, H04N 1300, H04N 1500
Patent
active
050033859
ABSTRACT:
A stereoscopic television system has first and second openings through which light rays reflected from an object to be viewed enter. The system includes a first polarizer polarizing the light rays passing through the first opening and a second polarizer polarizing light rays passing through the second opening. The polarization planes of the first and second polarizers are different from each other. Optics are provided for aligning the center axes of the light rays passing through the first and second openings to generate aligned light rays. A polarizer switch receives the aligned light rays and selectively and alternately passes light rays polarized by one of the first and second polarizers. A zoom lens is provided for optically treating the aligned light rays for zoom operation. A video camera converts optical images of the light rays passing through the polarizer switch and the zoom lens into electrical signals corresponding to the light rays passing through the first and second openings. A television system then displays an image of the object, based on the electrical signals.
REFERENCES:
patent: 4295153 (1981-10-01), Gibson
patent: 4480893 (1984-11-01), Fantone
patent: 4647966 (1987-03-01), Phillips et al.
patent: 4751570 (1988-06-01), Robinson
Sutro et al., "Robot Vision: V. Stereo TV Cameras," Proceedings of the First National Conference, Sep. 13-15, 1972, California Institute of Technology, pp. 275, 277.
"Stereo TV Camera," Product Catalogue, Tokyo Electronic Industry Co., Ltd., 1986, p. 12.
Kabushiki Kaisha Toshiba
Peng John K.
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