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Active Shutter 3D Technology for HDTV

Submitted by on 4 July, 2022 – 4:33 pm
Sony and Panasonic recently announced a new technology called “active Shutter” to produce the 3D experience of high definition televisions. The first models are expected to be available in late 2009 or early 2010.

The original 3D experience of the films depends on the stereoscopic display using red and green glasses. The illusion of 3D image images came from green and red superimposed taken from slightly different angles. Each eye saw a single image and the viewer’s brain combined to give the illusion of three dimensions. 3D movies using this technology, called 3D anaglyph can be viewed on any television, as long as the viewer puts on his glasses.

The problem with anaglyph 3D is that strains the eyes, and can cause headaches and nausea in some people. Others have a dominant eye, and find it hard to see the image in three dimensions.

A more recent process of 3D in the film uses a special screen and polarized glasses. In this type of eye images alternate left and right quickly, and the vessels collect the appropriate image for each eye. A similar technique has been introduced for high-definition LCD TVs from LG Electronics in South Korea and Hyundai in Japan. The system, known as X-Pol, projects different images in the odd and even horizontal lines of video, and polarized glasses for the audience sort it all out.

Now, Sony and Panasonic have introduced an “active release” technique of high-definition plasma and LCD TVs. The viewer still has to wear polarized sunglasses, but in this set of LCD shutter glasses are assets that are synchronized with the TV signals. The blinds quickly block alternately left and right eye views so that each eye receives the correct image.

The new system offers higher resolution than X-Pol, because technology in active shooting each eye sees all the lines in the video, while in X-Pol each eye sees only half the lines.

Panasonic executive Peter Fannon said that high definition, new 3D TV will give viewers an experience as being there, rather than watching it on television.

Panasonic will release some 3D models Full HD later this year, Sony’s version, coming to market later. Buyers of the new 3D televisions also have a compatible Blu-ray players. The glasses will be supplied with television sets. No information yet on the prices of these TVs.

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