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Projectors followers to know enough to manufacturer Vivitek , who won a high reputation in this sector through the most curious products. For example, the fabulous H9080FD or H1080FD became a very remarkable pair of projectors, with sales at the top. Occurring during CES 2011 Vivitek brought to the fore the latest of their innovations, the projector Qumi, which captured the attention of those attending the event, at least those who are interested in the field of projectors. The Qumi becomes part of a new series of lamps with LED, and turns out to be the first pocket projector prepared with the ability 3D through technology Texas Instruments DLP Link.

Was prepared from the beginning to function and reproduce the contents in 3 dimensions, apart from having a wider range of options for sharing digital content. With regard to technology in three dimensions, it is said that the projector provides perfect conversion between 2D and 3D, so you can watch any movie in 2-D visual effects in 3D . The launch will take place in the month of May 2011 at an estimated price of 499 dollars (ie 388 euros). WXGA resolution is approximately 1.280 X 800 pixels, is up to about 300 lumens of brightness, a contrast ratio of 2500:1, and provides about 30,000 estimated hours of operation. It has USB ports for content and MicroSD memory expansion, and integrated 1W speaker.

We wonder if you remember a rumored Android tablet, which would come from Dell computer and would also have a 7 inch screen? “Well, if you do not remember, does not matter because now you should know that this rumored machine appears to be a reality, and also has a name, which is Dell Streak 7 (makes sense, right?) and will be available in the U.S. through T-Mobile. CellPhoneSignal has managed to get some pictures of Dell Streak 7 with the U.S. company logo T-Mobile in the back. We can also see a camera with LED flash on the back of the computer.

Moreover, there seems to be a camera, which we imagine will be used for video calls in the front. Other features (like screen resolution, processor, storage space) are not known at this time. Dell could officially reveal Streak 7 at CES 2011, which will take place from 6 to 9 January. The tablet should run Android Gingerbread 02.03 when available, and that if he does Honeycomb Android 3.0, but either will be fine. So if you are the fans of Dell computer, you should make a schedule and prepare for the coming of this Dell Android tablet.

Web cams need a computer to transmit images. However, there are other autonomous cameras need only point of access to the computer network, either Ethernet or wireless. To differentiate the webcams are called network cameras. They are also widely used in instant messaging and chat as Windows Live Messenger, Yahoo! Messenger, Ekiga, and Skype etc. In the case of the MSN Messenger icon appears indicating that the other person has a webcam. Usually can transmit live images, but can also capture images or small videos (depending on the webcam program) that can be recorded and streamed over the Internet. This device is classified as input, and that through him we can transmit images to the computer.

In astronomy amateur webcams certain standard can be used to record shots planetary, lunar and even make astrometry studies of binary stars. Certain modifications can achieve long-term exposures to allow imaging of faint deep sky objects like galaxies, nebulae, etc. Web cams are usually formed by a lens, an image sensor and the circuitry needed to handle them. There are different types of lenses, plastic lenses being the most common. The image sensors can be CCD (charge coupled device) or CMOS (complementary metal oxide semiconductor).

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Closed circuit television or CCTV technology is a video surveillance designed to monitor a visual range of environments and activities. It is called closed, that, contrary to what happens with the media, all components are linked. Moreover, unlike the TV conventional, this is a system designed for a limited number of spectators. The circuit can be made just by one or more cameras connected to monitoring one or more monitors or TVs, which reproduce the images captured by the cameras. Although, to improve the system, are usually connected directly or by linking network other components such as videos or computers.

They are fixed at a given location. In a modern system using cameras that can be controlled remotely from a control room, where you can set your pan, focus, tilt and zoom. This type of cameras is called PTZ (English acronym for pan-tilt-zoom). These systems include night vision, computer-assisted operations and motion detection, which facilitates the system, is on alert when something moves in front of the cameras. The clarity of the images may be excellent, can be transformed from dark to light levels. These entire qualities make the use of CCTV has grown dramatically in recent years.

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According to proponents of CCTV, such a system can prevent crime. Video surveillance systems are expected, according to their proponents, enabling customers to discount shop, and vehicles entering and exiting a business, or, potentially, to embed the video in the amount of a ticket Cash or information from a badge or access card to automatically recognize the license plates of vehicles (allows access to parking without a ticket, badge or key) to automatically report an object lost, abandoned or stolen. The video can also remove the blind spots include the example of some garbage collection trucks that allow the driver to see the movements of employees in the back of his vehicle. , or techniques used in say public transport of equipment to single agent.

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