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  1. #1

    Sony Patents Universal 3D Glasses

    At least for now, we are stuck with using glasses if you want to experience 3D video. Part of the inconvenience of 3D with glasses, is the expense. Each manufacturer uses their own software and hardware combination, so you can not always take your 3D glasses to your buddies house for a 3D showing of the latest Hollywood film. This allows a situation where the price of 3D glasses is higher than if they were interchangeable. Sony is looking to change that with what they are calling Universal 3D Glasses. is reporting, Sony has filed for a patent for glasses that would be compatible with any manufacturers display. The glasses would come with interchangeable modules and downloadable software that hopefully promises a lower cost alternative to buying OEM 3D glasses.

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    The glasses of one manufacturer won’t work with the set of another. That’s because each manufacturer’s glasses are made using proprietary technology. This is particularly true for LCD shutters, which use infrared signals to synchronize with the television signals. The result is that the glasses are very expensive and the manufacturers have a captive audience.

    The Sony patent aims at making a pair of glasses that can be used with many, if not most, 3D televisions and outlines a number of possible approaches. Current glasses use an infrared transmitter either in the set or a peripheral box, and a receiver built into the frame of the glasses. The purpose of the infrared signal is to allow the set and glasses to synchronize with the television signal, so that the correct image will go to the correct eye to preserve the 3D effect.

    According to Sony, the way to produce universal 3D glasses is to exploit microelectronics to install multiple receivers with either multiple infrared lenses or an adjustable lens in an eyeglass frame. These receivers can be selected by either looking the target set up in a list or pressing a program button on the frames, much as with universal remotes today, and the software to run them can be downloaded from the internet. Sony estimates that only about eight receivers would cover most, if not all, manufacturer protocols.
    This basic design also covers a number of variations. The most obvious ones in the Sony patent are that the technology can also be incorporated into helmets, goggles and other configurations for video games. The glasses can also be made modular so that microcircuits can be swapped out to keep up with market demand and availability.
    Will this help lower the price of 3D glasses? Hopefully it will, but it would seem to me that putting all this into a single pair of glasses, might not be cheaper than the OEM glasses. I guess we will see.

    I saw no indication of when these glasses will be available.

  2. #2
    Senior Member Andrew Robinson's Avatar
    Join Date
    Sep 2011

    If a company patents a product and no one gives a ---- does it still exist?

    3D is stupid and dead, at least until we "re-discover" it in another 15 years.

  3. #3

    Quote Originally Posted by Andrew Robinson View Post
    If a company patents a product and no one gives a ---- does it still exist?

    3D is stupid and dead, at least until we "re-discover" it in another 15 years.
    It may be a big dose of wishful thinking on Sony's part. We're ready, just in case.

    However, this type of innovation might have made 3D slightly more palatable in the beginning.


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