Title:
【発明の名称】3次元映画映写装置
Document Type and Number:
Japanese Patent JP2874989
Kind Code:
B2
Abstract:
In an alternate eye 3-D motion picture projection apparatus of the rolling loop type, light projection is accomplished by the combination of focal plane shutters that are coupled to the rotor of the projector and a supplementary shutter arranged to trim the projected light so that discrete "left eye" and "right eye" images are projected. Various embodiments are disclosed in which a rotary blade shutter is located at the stop of the projection lens. Where there are two projection lenses (32, 32), a single blade or two counter-rotating blades (68,70) trim the light projected through both lenses.
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Inventors:
UIRIAMU SHII SHOO
MARIAN TOTSUHOOKIEUIKUTSU
MARIAN TOTSUHOOKIEUIKUTSU
Application Number:
JP23979590A
Publication Date:
March 24, 1999
Filing Date:
September 10, 1990
Export Citation:
Assignee:
IMATSUKUSU SHISUTEMUZU CORP
International Classes:
G03B1/20; G03B35/16; (IPC1-7): G03B35/16
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)