Smart TV, also called a connected TV or hybrid TV, is an LED TV that integrates the classic features of a TV with Web 2.0 connection function.
Smart Devices include devices such as digital media players, Blu-ray players, video game consoles, and other interactive devices that use the TV screen outputs. In addition, SmartTVs allow you to view multimedia content from USB memory sticks or external HDDs and connect via Wi-Fi or Bluetooth to other devices like smartphone, camera or video, tablet, laptop or PC.
Smart TV should not be confused with services or equipment such as IPTV or Internet TV, which is basically a TV with an internal processor and internal flash memory capable of running an operating system or applications specifically designed for it.
Electric bicycle is a bicycle-derived vehicle that has an electric motor for mechanical drive. Typical electric bikes use electric batteries to power the engine and run at 25-30 km / h on average speed. The propulsion group has different configurations. The use of electric bicycles has increased considerably worldwide over the past ten years. Various regulations have been adopted on these vehicles in different countries.
A refrigerator is an apparatus or installation for producing and maintaining the cold, that is, the lower temperature than the environment, a principle discovered by Carl von Linde. It is usually composed of a heat-insulated enclosure cooled by a cold plant, a heat pump that removes the heat from the inside, bringing the enclosure to a temperature lower than that of the surrounding environment. The use of refrigerators is widespread in the household, being used in the kitchen for the preservation of food. Larger installations used in industry and in public catering are known as refrigeration plants.
Intelligent light bulbs - LED light bulbs that can be controlled by a hub or smartphone application - are no longer a new idea. However, lately, these smart bulbs have become smarter and can now do a lot of exciting things.
Smart LED bulbs are not yet for everyone, not many people think they deserve to pay around $ 100 per bulb, yet they are not just that. Today's bulbs are more compact, brighter, have a much better color representation, have integrated speakers and, for the most part, have dedicated applications that make them much easier to control and configure.
The soundbar is an acoustic enclosure, like other speakers, but only in it has speakers for medium and high sounds. The low bass speakers have separated them. The fact that it has an elongated shape helps spatiality, so basically it will project the sounds to both the listener and the sides of the room, perceiving a surround effect.
On the center we have center channel speakers, that is, for dialogs and effects that are positioned in front.
At this time, most modern cinemas use 4K projectors. Just so you can see that the very clear picture you see at the cinema can now be seen on the TV screen that is much smaller and which by definition gives it even greater clarity than the one projected in the cinema. It's the dream of any cinema - it's a reality.
At this time there are 2 types of Ultra HD resolutions: those called 4K and 8K, both in the form of screens with a 16: 9 aspect ratio.
The 4K Ultra HD (2160p) TVs typically have a resolution of 3840 × 2160 (8.3 megapixels), somewhat equivalent to the 4K cinema format or 4 times the size of a Full HD (1080p) TV. This does not mean that they are 4 times bigger, but only that the pixel density on the screen is four times higher if the sizes are kept.
The 8K Ultra HD (4320p) TVs produce incredible 7680 × 4320 pixel (33.2 megapixel) images, equivalent to IMAX movie resolution or 16 times the resolution of a Full HD TV (1080p).
See the picture above, which is the proportion between different types of video formats, starting with VCD (352x240), DVD (720x480), HD (1280x720), FULL-HD (1920x1080) and Digital Cinema 2K) and up to 4K (3840 x 2160). There is also the 8K format that supports 7680 x 4320px resolutions.
With so many millions of pixels, Ultra HD TVs resemble indoors with computers rather than traditional TVs. They have to handle a large number of frames, especially for sports and action films. And all this is incorporated into a thin, silent and energy-efficient design.
Refrigerators are not only divided into No Frost and Static, but are classified into different categories depending on how the food is cooled: static, ventilated-static, No Frost and Frost Free (or No Frost). Let's see which is the most appropriate type, depending on our needs.
Total No Frost refrigerator does not require defrosting the freezer but is capable of limiting mold formation and ugly odor inside because of a single-engine, single-evaporator system with a ventilation and air treatment device that does not allow freezing, absorbing food vapors. The cold product is however dry, which can result in the drying of fresh foods such as vegetables: it is good that they are covered with plastic foil before they are placed in the refrigerator.
Static cooling is the most common refrigeration system, characterized by one or more engines, with a refrigerator-specific and a freezer-specific circuit. The cooling process takes place due to a gas that moves inside the refrigerator and freezer until it reaches the desired temperature. The static ventilator uses the same principle of the static refrigerator, using an extra fan in the refrigerator compartment for more even distribution of cold air: this ensures better food conserving. Both the fan and the static refrigerator periodically require a manual freezer thawing recommended once or twice a year.
This type of refrigerator is state-of-the-art and combines features of static or static ventilation with those of Total No Frost, let's see how it works. The refrigeration room is static or ventilated, with a cooling type that does not dry the food; the freezer is of the No Frost type, which makes it possible to avoid the manual defrosting process.
This combines the advantages of both systems.
The ice in the refrigerator should be removed when the thickness exceeds 2 mm.
The A +, A ++ and A +++ class refrigerators are increasingly guaranteeing considerable savings in utility bills for the same conditions of use of the appliance.
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