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Wednesday, March 21, 2007

Portable video devices are among the recent advances in compact TV technology. These wonders of modern technology make it possible to watch video just about anywhere because of their portability and large capacity for storing video in digital form. The only problem with making devices for watching video that are extremely compact is that the smaller the portable device, the smaller the screen is that can fit into its casing. Another major disadvantage of these portable video devices is that no matter how big or small the screen is, you have to tilt your head down to see it. In the past there have been three solutions to the twin problems of small screens and having to look down at your lap in order two watch anything for any length of time on a portable video recorder. The first one is the lowest cost and most obvious- just put up with the inconvenience. Of course that doesn't really solve the problem and just adds to the annoyance of using the device. The second is to plug the device into a full sized TV screen. This option is probably the best, but is useless unless you happen to have a full sized TV screen available, and if you need a full sized TV screen to enjoy watching video from a portable video player, that kind of defeats the purpose of having a portable video player to begin with. The third solution is to attach a set of video goggles to the portable video device so that you can watch the video while looking straight forward and see the images being played in the same way you would if they were being displayed on a large TV screen six feet or so away.

Traditionally there have been a number of advantages and disadvantages with video goggles. The advantages of course include the benefits mentioned above. For example, with video goggles you can turn your head in any direction and still enjoy watching the video. You can face straight forward with your neck at a comfortable angle and you can even lie down. Some models allow you to walk around while watching TV by allowing a substantial field of view above and below the display. (Operating a motor vehicle or riding a bicycle generally isn't recommended while using one of these devices though. Many models also come with ear buds built in so that you don't have to fumble with a separate set of headphones while watching video. A few models also come with batteries that supplement the portable video player's batteries fro longer viewing time.

Of course, like any other technology, video goggles also have disadvantages as well. The most obvious disadvantage is that the goggles- especially those that are used with some kind of headphones built in or separate- will get in the way of their users perceiving and interacting with the outside world. In extreme cases this could be dangerous and at the very least inconvenient. As mentioned above though, some models are specifically designed to allow their users to see things other than the video they're watching using their peripheral vision.

In all, despite various hazards and discomforts, video goggles are a technology that's constantly improving and providing another alternative way of watching video in a wide range of circumstances and situations.

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