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Łukasz Kamiński / Krzysztof Persak / Jens Gieseke (eds.): Handbook of the Communist secret services in Eastern Europe 1944-1991

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Types of home theater projectors and screens

Many people choose today for a home theater projector, prepare them as the ultimate movie experience. Thanks to these systems it is possible to movies, TV shows, and large to look at sports events on a large screen, while still get the benefit of surround sound - and in your own four walls. If you think about purchasing a home theater system should, therefore, to keep the option of a home theater video projector in mind.

A home cinema video projector will enhance the viewing experience much. Compared to conventional TVs you will quickly find that home theater projectors offer a much better video quality and sharper, brighter images.

In search of a home theater projector will be noted that these three main types be divided, namely CRT, LCD and DLP projectors.

CRT video projectors

CRT projectors (Cathode Ray Tube) are commonly used in theaters and use red, blue and green light to get videos projected onto the canvas. One of the advantages of these projectors is their resistance, that is, not after a few years must be replaced. Also for the projection of high-quality images on the screen these projectors are known.

LCD video projectors

LCD stands for Liquid Crystal Display (in German, liquid crystal display). This type system uses LCD technology, so the light partially or completely through. LCD projectors use three different colors - red, blue and green - in order to project images on the screen. LCD projectors are compared to CRT projectors easily. You can project using the latest LCD technology, sharp images. When buying an LCD projector, one should note the following:

a) the brightness of the projector is on the used projector lamps dependent

b) the brightness of these lamps is usually measured in ANSI lumens

c) a higher number means a higher-lumen brightness level

The video quality of a projector is also dependent on factors such as resolution and contrast.

DLP video projectors

With DLP or Digital Light Processing projectors one of the most advanced technologies in home cinema projectors will be used. This technology works slightly differently than the LCD technology. In DLP projectors, silicon chips are used, which are also known as digital micro mirror chip. Similar to LCD projectors, DLP projectors so are lightweight and can be sharp and bright images projected onto the canvas.

from these different types of projector you can now choose the one who will best fit their own needs and the budget. When the projector is purchased only once, one needs a proper projector screen. The screen has an important role in the home theater setup, as it helps to project a clean video. Currently many different types of projector screens available:

Fixed screen

These screens are fixed to a suitable place in the home theater installed. They cover the clutter of wires and unsightly wires visible.

screen on stand

These are extremely flexible and can be easily dismantled and stowed away after use. They are usually smaller than fixed Screens.

Rollaway canvas

decide Many nowadays for a rollable screen, which is simply hung on the wall and provides a great viewing experience. These screens can either be rolled up manually or electrically. They are somewhat more expensive than other screens are suitable but ideal for smaller rooms. There

These projector screens are available in various sizes. You can choose between standard 4:3 and a 16:9 widescreen format.

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The types and features for home theater projectors

A home theater system is now safe condition for an excellent viewing enjoyment. Home Theatre Projectors also contribute to the improvement of the home theater system. Video is one of an entertainment system and easy to excellent video quality can improve the viewing experience even further.

experts advise here to invest in a projector, as this to improve the overall film and TV experience helps.

Why choose a home theater projector?

With a home theater projector you can watch movies comfortably in their own homes. One need not buy cinema tickets every week, if one is caught up in the enjoyment of a home theater projector. Depending on your needs, you can easily project images on the wall and other flat surfaces. A projector screen is certainly a great alternative to computers or LCD TV screens. Front projectors are particularly loved to buy, as these are larger than normal TV images. The quality of the conversation is with a home theater projector is also better because it provides high-quality audio and surround sound. The system can be even more with additional speakers and subwoofers . Improve All this makes a great TV time with friends and family.

types of home cinema projectors

For home theater projectors we distinguish mainly between wall-mounted projectors and projector table. Wall projectors offer especially for lack of place is a good option. On the other hand, table projectors known for its great image quality and flexibility of installation, which means they can be placed anywhere and you can put them away easily when not in use. These projectors are suitable mainly for conferences, business meetings and seminars. Table projectors are compared to other projectors easier.

Different types of projector technology

Because the technology used in projectors we distinguish three categories:

LCD DLP LCoS

DLP projectors

DLP projectors are among the most popular projectors, since they are rich representation High contrast colors and sizes are known. DLP projectors have three built-in DLP chip and the device to allow the representation of different levels of colors. DLP projectors are compared to LCD projectors, but rather expensive. DLP or Digital Light Processing projectors work with a mirror surface, which is composed of thousands of small mirrors. Each mirror represents a single pixel and the projection of the projector lamp light shines on the surface of the DLP chip. There

LCD projectors

Liquid crystal technology has been around for some years. In LCD projectors, video signals using three separate LCD panels are produced. A disadvantage of the LCD models is that they - unlike DLP models - do not have sealed panels. So you should choose a projector with dust filters, which provide for a longer life of the projector. The lamp should have an extended warranty.

home cinema projectors will improve the film and television experience considerably.

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The network of spies

Madrid (dpa) - Cuba's secret service, after the release of confidential Wikileaks U.S. diplomats in Venezuela reports operate completely free. Cuban agents had even reported "direct access" to President Hugo Chávez, as the online edition of the English daily "El País" on Tuesday, citing a report made public in 2006. The news service Cuba, Chavez has frequently provided with information without having to share it with Venezuela's intelligence service. "Sensible reports suggest that the intelligence ties between Cuba and Venezuela are so narrow that the services appear to compete (with each other) to the attention of the Bolivarian government (in Venezuela) to get," says the cable report "51 158" the U.S. Embassy in Caracas, 30 January 2006.

were true that the economic effects of the Cubans working in Venezuela is rather limited. Cuba's intelligence but have to offer anti-American Venezuelan intelligence services much. Chávez had on Tuesday U.S. Secretary of State Hillary Clinton because of the scandal Wikileaks prompted the resignation and congratulated both the organizers of the Internet portal for their courage. http://www.cio.de/news/wirtschaftsnachrichten/2256754/