Wireless charging for a smartphone: how it works
In the first half of February this year, The New York Times reported that Apple has developed a new wireless charging technology for mobile devices that will be used in their products in the future. The new device is intended not only for existing gadgets, but also for those that are only planned to be released to the market.
In the foreseeable future, the guys from Cupertino will give their users the opportunity to experience all the benefits of wireless charging. At the same time, now, charging devices that work on the principles of magnetic induction are produced by some companies, for example Nokia (smartphones of the Lumia line) and LG (Nexus 5).
The new technology has received the generally accepted name QI, which is translated from Chinese as an “energy flow”. Developed this functional association Wireless Power Consortium, uniting more than 100 companies, including Panasonic and Sony. To date, this association – the only company that has approved the interface, with which you can use wireless charging devices
The first specifications for the new technology appeared in 2010, and a year later, the mobile operator Verizon offered smartphones that had a wireless charging function. A vivid example of such a smartphone is the Samsung Galaxy.
In the past 2013, a new technology appeared in many devices of the highest price category, working on the basis of Android. Currently, you can charge these devices in two ways. The first is traditional cords that have a microUSB or miniUSB connector. Second – special mats, which are easy enough to put the device.
Among the shortcomings is high cost. The price of a wireless charger, for example, for LG Nexus 4 starts at $ 50. At the same time, there are still no such devices on the Russian market.
According to the specifications of the new standard, the current used for charging should not exceed 5 watts. When users began to study the functionality, as well as the rules of using the device, it turned out that the standard for such “charge” does not discuss the specific methodology by which the mobile gadget will be filled with energy. Currently, manufacturers of wireless chargers use in their development induction “method.”
This method involves the use of a charger as an energy transmitter, while the smartphone acts as a receiver and must be equipped with a special induction coil. In it, under the influence of an electric current, a magnetic field with variable indices appears. If a magnetic field induced by the charger acts on the coil of the smartphone, then an electric charge will be generated in it.
or efficient energy transfer, it is necessary to have a qualitatively “channel” between the receiver and the coil (perhaps not even one). According to the QI standard, all of the above devices must be at a certain distance from each other, which varies from 3 to 8 centimeters (maximum – 10 cm). If this requirement is not met, then the transfer of energy will be ineffective.
As soon as the smartphone hits the surface of the charger or its magnetic field, the charge is formed in the latter. At the time of electricity transmission, especially in the background, the charger receives a pulse with an interval of 0.4 seconds. If the voltage in the device remains unchanged, this indicates that the “charging” is off. If the voltage decreases, the device receives an impulse informing that a smartphone has been attached to it. In this case, the smartphone responds by increasing the voltage to the operating state. Only after this, the transmission of energy begins. A special receiver informs about the efficiency of the process, which sends pulses with an interval of 32 milliseconds. As soon as the battery of the gadget has filled the energy level, the receiver sends an impulse,
Thus, QI users do not need to worry about the energy efficiency of the chargers that perform their work according to established standards.
Between charged and discharged mobile gadgets, an exchange is performed using phase modulation of the magnetic fields. According to the QI standard, the data exchange protocol between the specified devices in a different energy balance is carried out at a speed of 2 kilobits per second.
The energy efficiency of QI technology is 80%. This is a fairly high figure. For standard wired chargers, this parameter varies from 75% to 95%.
Popular Entertainment Mobile Apps Free & Paid
Popular Entertainment Mobile Apps Free & Paid:
Entertainment Mobile apps. For a short while currently, they need to be Associate in Nursing cogent player within the online world.
Your smartphone is maybe packed with them and downloading one from app stores has ne’er been more comfortable. Statista says that some three.2 million apps will be found on Google Play Store two and a couple of and a pair of.2 million Entertainment Mobile Apps on Apple Store alone. Those numbers speak enough for themselves.
Now, let’s say you’ve been trying to find the list of the Entertainment Mobile Apps. The question is wherever to seek out them? We’ve done meticulous analysis and here area unit the apps you ought to concentrate to if recreation is your cup of tea, Lets start to find Entertainment Mobile Apps.
According to the U.S. audience, YouTube’s app holds the No. one ranking place on the list of best mobile music and video apps within us. Moreover, the significant worldwide quality of YouTube has up to now resulted in one billion downloads from the Google Play store alone.
Unless you’ve been concealment beneath a rock for the past decade, you’ve in all probability be at home with the development known as Netflix. observance movies and television shows on your sensible TV, game console, laptop or mack devices are continually gaining in quality.
Hands up, all flick fans, as a result of HBO currently merely has entered the list. This on-demand, streaming service is accessible for purchase through a subscription package from your native supplier. Once you get your HBO login, the universe of fashionable TV shows, movies and documentaries are going to be yours.
Spotify is that the place to be if you like large catalogs of music. the worth for such a pleasure is $10 a month. In return, Spotify offers you choices to form prognostic playlists, produce your own, or get pleasure from the prevailing ones.
You know that moment once you hear a tremendous song, however, you have got no plan who’s the singer and what’s the title? Well, Shazam has developed an incredible mobile app that acknowledges music from TV, mobile, and alternative media devices.
Clash of Clans
This mega-popular online multiplayer mobile game is accessible for each iOS and robot mobile platforms. The goal of the sport is to make a community, whereby a player could be a chief of the village. additionally, players will build their city, produce clans and defend their keep.
AskGamblers features a distinctive mobile casino app that keeps players, affiliates and diversion professionals up-to-date with the newest happenings from the planet of on-line diversion. The app comes with a live notification system and is accessible for each iOS and robot devices.
Temple Run a pair of
Another high-performing diversion app is ideal for those that have faith in taking part in even as very much like respiration. The sequel is concentrated on running over exciting obstacle courses, grabbing powerups and having fun whereas doing this, Android apps.
Neko Atsume: Kitty assortment
If you’re up for a cute and easy game, then Neko Atsume has you lined. Your mission is to assemble as several kitties in your garden as attainable and to try and do this you’ll use games and snacks. As said, cute and simple!
The list of the foremost fashionable recreation mobile apps wouldn’t be constant while not the Face App. This app permits its users to rework their face with the assistance of computing. choices embody adding smiles, obtaining younger or older, turning into a lot of enticing and alternative attention-grabbing options.
No, it’s not the Instagram homonymous feature even if it shares a constant name. the app permits users to get pleasure from observance amazing cartoons created by crazy Tunes, Hanna, Barbera, and MGM. So, Tom and Boche area unit back in style!
There’s in all probability no higher recreation mobile app for the closing a part of this list than Snapchat. This fantastic mobile electronic communication application is employed for sharing photos, text, videos, and drawings. the most straightforward half concerning Snapchat is their “self-destruct” feature, that makes messages disappear from the recipient’s phone when some seconds.
Having all this in mind, it’s no surprise why mobile apps area unit thus fashionable and why internet users near to being addicted to downloading and exploitation them daily.
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