| With more and more movies hitting the big screen in | | | | refreshed several times a second. This requires |
| 3D it was only a matter of time before it came to | | | | special set of glasses that are called shutter glasses |
| television. | | | | that are synchronized with the television and actually |
| Well that day is here and even though the | | | | shut off the ability to view with each alternating eye |
| technology is in its beginning stages 3D TV is here, it | | | | as the images are shown on the television. This |
| is exciting and can be enjoyed in your living room. But | | | | happened so fast that it tricks your brain into seeing |
| before you run out and buy anything there are | | | | images that are 3D. These glasses also require |
| certain things you need to know. Here is what you | | | | power. |
| need to know before buying a 3D TV. | | | | Most are battery operated, some are rechargeable. |
| Watching a movie in 3D is quite an experience. In | | | | As a result these glasses are more expensive, are a |
| recent years 3D technology has really improved. | | | | bit heavier and not considered disposable. |
| Today it is much more than just images jumping out | | | | What Will You Need to Enjoy 3D in your Home |
| from the screen. There is a fullness and realistic feel | | | | First and foremost you will need a TV that is |
| to the new movies presented with this tri-dimensional | | | | designed for this type of viewing. As well, you need |
| technology. Today you can view movies like this at | | | | to think of this as more of a system that just having |
| the theatre and in your own home. | | | | the TV. There are several parts of the system. |
| Yes, you still have to wear special glasses no matter | | | | 1. The first part of the system is a TV designed to |
| if you are viewing 3D in a theatre or in your home. | | | | provide a picture where there are two images that |
| But that is where the similarities end. | | | | alternate very fast for the right and left eye. |
| The type of 3D in the theatre is completely different | | | | 2. You must also have special designed shutter |
| to that on televisions. | | | | glasses that are powered and synchronized with the |
| How 3D Works | | | | alternating images. |
| Quite simply the way this technology works is that | | | | 3. There must be a signal or video that provides the |
| two separate images are presented on a viewing | | | | multi dimensional image. |
| screen at the same time. One image is intended for | | | | Types of Three Dimensional TV's Available Today |
| the right eye and the other image is intended for the | | | | At the present there are three versions of |
| left eye. When these images are viewed together it | | | | televisions available that offer this type of viewing |
| gives the illusion of three levels of depth vs. just the | | | | experience. |
| 2 dimensional picture we are normally used to. | | | | 1. 3D Ready. This means they come with the |
| Will the Glasses You Wear in a Theater Work at | | | | necessary design and components for three |
| Home? | | | | dimensional viewing except for the glasses. |
| The answer to this question is a resounding-- NO. So | | | | 2. 3D Capable televisions like this generally just need |
| leave the glasses at the theatre. There are two | | | | to have a device that emits an infrared signal to the |
| different technologies at work here. Movies in the | | | | glasses and the correct glasses. |
| theatre, for the most part use a process involving | | | | 3. Full 3D are package systems that have everything |
| polarizing light. The paper or plastic glasses you are | | | | including the correct glasses. |
| given there are pretty simple, don't required a power | | | | At this stage of the game it is probably best to |
| source, and work great for that type of a process. | | | | consider the full package system, then you know all |
| If the glasses are plastic, theaters wash and sterilize | | | | components are designed to work together. But it is |
| them, (or at least they are supposed to!) and then | | | | an exciting new technology that is moving forward at |
| they are reused. | | | | a fast rate. Imagine soon being able to see a Super |
| For televisions, the process is one in which the | | | | Bowl football game in 3D! |
| separate images for the right and left eye are | | | | |