Business

Which one is better? Rear Projection or Front Projection?

 

A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience. Projection screens may be permanently installed, as in a movie theater; painted on the wall; or semi-permanent or mobile, as in a conference room or other non-dedicated viewing space such as an outdoor movie screening (open air cinema).

In fact, projection screens now are quite common in our life. It can be applied to various demands, which is no longer limited to some specific uses. While, it seem a issue that which one is better- rear or front projection?

 

So today I just made a table of each character for compare and contract. Hope it would be helpful for you to choose an idea projection screen.

 

Front Projection Screens	Rear Projection Screens
Easy to install	Enhanced contrast and image brightness
No dedicated projection room required	Suitable for high brightness applications
Space-effective design	No shadows from the presenter/viewers cast onto the screen
Cost-effective solution	Projection equipment is hidden behind the screen
Enhanced mobility of screen and projector	Noise-free operation

 

 

 

Butt connector, the accessory to fix some problem easy and fast

        First the fan, and then the lights, TV and computer; there are more and more wires and cable surround our life. Although now the latest design of electric appliance would try to make them in less cables to deal with the operation, but it does not fit for all situations.

        Especially for people willing to pay extra cost to get the better quality of sound and image, the wires and cables arrangement could be even complicated. In this case, some accessories would be necessary, such as the butt connector, it would be quite practical while you need extra length in unique specification.

        For example, if you are trying to build a space with high quality stereo equipment to enjoy the movie at weekend, the customized plan and specific arragement are common seen. If the cable or wires need just some more adjustment to make it perfect, the butt connector would be the accessory to provide more flexibility for such situation.

        Besides, the wires and cables with great quality would cost much as well, it would be such a waste to get a new one due to a little problem. With the aid of butt connector, the problem might be fixed soon.

Wiring job is not hard with the quick splice connector and patient

In the cold weather, you would spend more time staying home, read a book, have a cup of cafe, more maybe watch DVD with friends. Well, we just talked about DVD, right? Even you prepared a great movie to share with them, it would be better to watch with great home theater system. However, you might have some work to do with some quick splice connector and cable ties; yap, I am talking about the wires.

The price you have to pay for have better visual and sound effect come from home theater system is lots of wires to take care. You may just leave it on the floor, but it would make your living room look like a mess and easy to be stumbled by them. That's why I just mentioned about the quick splice connector and cable ties, they would be helpful to get those wires in order.

Maybe you would say it's too hard to do the wiring job by yourself. Of course, you may pay and hire the technician to solve your problem. But the truth is, there are various kind of accessories could make the wiring job easier to finish even by yourself. You should try to spend some time to get familiar with the quick splice connector, cable ties, cable glands and so on; then you can save more time and cost, maybe suprise your friends as well.

Wiring job is too hard? Get to know more about heat shrink connector, you might spend less money while something wrong with the cables

Usually we would pay attention of not to step on the amplifier or the DVD player, but the wires are the parts we take less care of. However, once something goes wrong with the wires or cable, the other devices couldn't operated normally either. Or, may be you can use the heat shrink connector to cover certain parts for less damage while accident happens.

The cables we see are covered with the rubber layer, inside it could be composed by several wires for different purpose or strengthen the performance. Once you step on the wires or get stumbled by it, this might cause damage of wires. That's the reason why usually the heat shrink connector would be used to strengthen the crimp connection parts.

If the wires are broken already, you can also try to fix it with the heat shrink connector if the problem was not too serious. Maybe it would cost you sometime to learn how to use it then call the repairmen, however, it could also save you more money if you are willing to learn and solve the problem by yourself.

Finish wiring job could be easy with the functional accessory, the quick splice connector

DVD seems easy, put it into the player, setting and press "play" button, done! But before such a easy moment, it would take times to finish the assembling if you want to watch it with HTS. Setting and assembling the HTS might be able to solve by paying the technicain to do it, but if you are willing to spend some time and save some cost, maybe you can get the quick splice connector to DIY the wiring job.

We would think that let the technician to handle the wiring job is due to it was much difficult to do the wiring job before the quick-assembled kits such as quick splice connector or shrink connector was invented. It would even need to use extra tools and techniques to finish this task.

Now, you can identify which connector is comparing with another by the colors of fool-proofing design, and make different wires composed by the quick splice connector. In this way, you just need to spend some time to read the instruction and follow the steps, you can finish the assembling of HTS soon and start your trip to the festival of sound and fancy images.

The necessary devices for getting the news about Typhoon, the waterproof connector

Typhoon is a mature tropical cyclone that usually occurs during the summer in Asia. People living there would need to know the direction and the strength of Typhoon and also would like to see how the weather and situation outside by watching TV. For getting the latest news and live video, the waterproof connector and cover is necessary for the cameraman.

The reporter and cameraman have to take the risk to get the information and broadcast them to the people. However, without the waterproof connector and other protection gears, they would have no way to send the video signal back and people would have no source to get latest news.

In normal situation or places without Typhoon, maybe it would be hard to image the importance of these devices such as waterproof connector; But they do help a lot for the people who need them to finish their job.

Have you noticed if you choose the right audio cable?

If you loved to watch movies or other videos at home, besides a TV with wild scrren, you might need a home theater sytem as well. Including the high performance speakers, the amplifier, and the high quality audio cable.

Usually people would focus on which brand of amplifier and speaker only, however, that's not enough for really great performance. The audio cable is main connection media between each of your devices, this means, even you get a well-known brand of amplifier or high level stereo speakers, if you pick the wrong audio cable to connect them, the quality of sound you could get is still bad.

If you have noticed the performance of your home theater is different from the one in the showroom, maybe what you should ask is not the malfunction of the device but the brand of audio cable they use.

Simple and useful instrument in indutrial application, the axial flow fan

In most industrial field you can see the application of dynamics includes thermal, fluid, air and etc. And one of the common instrument is the axial flow fan.

The axial flow fan is used to make adjustment of the air flow for different situation.For example, in wet cooling tower, the axial flow fan is used to increase the efficiency of cooling. According to the application of different enviorment, you can see various kinds of axial flow fan in different size or shape.

Although the axial flow fan is a instrument with simple structure. But if you have placed the axial flow fan in the right position with the principle of related theory such as aerodynamics or thermal dynamics, you can see why the axial flow fan can be widely applied in so many places.

The first thing beofre cabling job--choosing the right insulated cable

More and more equipments are related to electricity and singal exchange, the cabling job also becomes more complicated than before. But something never change, you have to pick up the rights tool and insulated cable first to accomplish your task.

The tools such as cable cutter, cable stripper and others are used to make adjustment of the position of hte wires. And choosing the right insulated cable for different demands is to make the best combination to have higher efficiency. 

For example, the insulated cable for singal transit or current exchange might be quite different, although looks like the same from outside. That's why most compamy would provide the cabling service; the manufacturers themself knows their products for sure, so they would prepare the insulated cable most fit the products you order. Anything goes wrong with your equipment? Maybe you should also check from the insulated cable part first.

Little part accomplish great job--it's the waterproof connector

The big screen seems only can be placed in the theater or arena with rooftop before, thanks to the waterproof connector and LED display, you can also see it in the place such as square or train station.

Recently you can see the advertise outside the wall of the building, games or concert on the big screen hanging on the rooftop more frequently. That's the result of the application of waterproof connector combined with LED display. LED display is much light than traditional one, and with the perfect singal transit of waterproof connector, make the big screen for broadcasting anything easier than before.

Not only the LED display, the waterproof connector is also applied in many instruments need the singal transit under the unstable weather condition. Thanks to the waterproof connector, it brings more conveience and pleasure for people.