Saturday, May 7, 2011

【 Weak current College 】 how to select Home screen



Recently many have started at the beginning of the entry or the projection of friends in asking that the curtain, in order to increase awareness of the curtain, I currently available screen types and specifications on how its features for your choice of the screening.
A: the projection screen of the material
1. flexible curtains (including white plastic, grey plastics, specialty PVC, etc.)

This is the need to increase the tension fabric, smooth surface of the coating is not straight, so the optical imaging is a thin surface, is the highest resolution, sharpness, best image seems to float out of the picture, commonly known as optical coatings. The cinema is also used this kind of cloth curtain. According to the different gain, each has a different product, at the same time there are holes become acoust curtain of the purchase item.

2. the braided screen

This type of screen is primarily a layer of woven cloth and with different coatings, mainly white curtain, bead screen and grey screen. Surface usually braided lines and impact because of imaging, picture quality images not so good, the disadvantage is that resolution is not high, the analytical power of the weak, and so on. Stewart and other high-end screen, these products have not predominant. Of course there are good, such as Kikuchi's Super fine woven curtain, etc., but only a very few import curtain material can be done, and expensive.

Second: the projection screen fabric

1. electric cord curtain

This screen is the most expensive in the household level, it is in electric curtain on either side of a tension cord to curtain horizontal flattening, and from top to bottom is a heavy curtain of margin to increase strength. It has the advantage of course is flat, and away, and the structure of the whole scene very strong texture. But the disadvantage is expensive.

2. fixed frame screen

Fixed frame screen is to use aluminum frame with a similar frame of rack, and then detained by the spring so that the curtain curtains, flattening. The advantage is flat, than the cheaper electric cord curtain. The disadvantage is that you cannot charge the easy dust contamination, long-term exposure to air, easy oxidation changes color.

3. hard-projection screen

This screen is usually the super high-gain, color is bright, very bright, but the angle of view is very small, hot spots, size large, bright central comparison occurs, but the phenomenon of four dark, while color cast problem is very serious, this screen is more suitable for outdoor use with bright environment, not suitable for high requirements to the quality of the player.

4. electric curtain

We see all kinds of products in the most common curtain, advantage is inexpensive, flat, easy maintenance, curtain is delegated from both the uniform motor, ensure that the screen without outside influences, with easy lift, easy installation, you can maintain screen flat for a long time, long term use do not produce corrugated.

5. manual screen

This is the most common curtain, advantage is inexpensive, easy to install, on screen quality requirements to be considered, the disadvantage is the long-term use, because of the Central causes of stress, such as drop down appears "V" corrugated, flat-screen effect.

6. white wall

This is of course also can be used, however it is recommended that you do not, the money, not too sorry projector, a good horse, saddle, too hurt yourself.



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