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T.I. patent on frame alternation and triple-flash stereoscopic 3D

In in patent called "US008274553- System and method for displaying stereoscopic digital motion picture images", two inventors from Texas Instruments (T.I.) claims the intellectual property of the frame alternation method of displaying stereoscopic images in cinemas, including the "triple flash" and "double flash" methods commonly used to reduce cross-talk. The patent was filed on October 18, 2005 and officially issued on September 25, 2012. Financial implications for all 3D stereoscopic equipment manufacturers are not yet known.

 TI-patent 250px

The 1US008274553 patent

Abstract

In accordance with the teachings of the present invention, a system and method for displaying stereoscopic digital motion picture images are provided.

In a particular embodiment of the present invention, the method includes receiving at a digital video projector one or more frames of left-eye data and one or more frames of right-eye data, receiving at the digital video projector an input reference signal indicating whether each frame of data comprises left-eye data or right-eye data, receiving at the digital video projector a display reference signal indicating whether left-eye data or right-eye data should be projected at a particular time, and projecting the left-eye data and right eye data, as indicated by the display reference signal, separated by periods of dark time.

In another embodiment of the present invention, the method includes receiving at a digital video projector one or more frames of left-eye data and one or more frames of corresponding right-eye data, receiving at the digital video projector an input reference signal indicating whether each frame of data comprises left-eye data or right-eye data, projecting the corresponding frames of left-eye data and right eye data separated by periods of dark time, and transmitting from the digital video projector an output reference signal indicating initiation of the periods of dark time.

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Read the full patent text in the USPTO database.

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