Most wireless keyboards works on the basis of signals of the UHF band of radio frequencies, infrared or short wave. Sounds complicated, isn’t it? Uproścmy. Think about the wireless keyboard working the same way as the remote. Beat code and the device responds to your commands.
Wireless keyboard using infrared technology (usually you can recognize them at a red light) depend on the light waves that translate their signals, therefore, a strong lamp, fluorescent lamp can potentially violate each signal.
Similarly, each keypad working frequency of the radio station can fire if in range of the receiver is a transistor AM / FM radio. Apply the same logic to any wireless keypad using UHF on the short wave (i.e. the Signal of the keyboard may be broken on any TV).
In all three cases, wireless keyboard works by sending a signal to the receiver each time you press. This receiver transmits a signal to the computer via a USB port, prompting the appearance of the text on the screen.
What you need to know about the wireless keyboard before I buy it?
The most important thing that you need to know the exact purpose for which you plan to use a wireless keyboard. Some people prefer the freedom of a console that is not tied to the string. Others have the configuration of the office, which is fully flooded with wires and want her to clean. There are people who constantly use their keyboard to facilitate PowerPoint presentations, or weekly business meetings.
The good news is, regardless of Your needs, wireless keyboard, made for You . If you want to have something ergonomic , for example, Your best bet may have cushioning that is comfortable on the knees. If You are interested in using the keyboard as a remote control , you can look at the menu, which is in the keyboard, but usually is used to display and click or lower case lines of text.
After zawężeniu list you can find some other main areas that you can consider: What are the functions of each keyboard? What kind of estimated battery life for each keyboard? Or included is a wireless mouse? What keyboard is compatible with your operating system? Or it is resistant to damage or leakage? And whether, in the end, has some manufacturer’s warranty?
A brief history of wireless keyboard
The keyboard is, by definition, refers to the panel keys are located in the same purpose. Early keyboard instruments, both in music and in printing there since 1700. Keyboard keys have evolved over centuries, and the first popular incarnation of the “modern keyboard” patented in combination with the Sholes and Glidden Type Writer in 1868.
The keyboard layout has become the standard in the early twentieth century , having established, thus, the QWERTY layout (originally designed in 1874.) As the agreed norm. Soon came the Shift key, function keys and symbols.
In the sixties most manufacturers began to replace cars with electric models from IBM and Cleaned (among others). Many models of electric used so-called handball , which is to eliminate any constant jams, you’ll find all that survived typewriter when splątały two or more racks.
After the seventies contemporary keyboard switched from electric, electronic, fully automated, with the introduction of the personal computer revolution in technology. Computer keyboards have become more universal, allowing users to move, modify, or select blocks of text with one button. Introduction the mouse easier to move around the document.
Technology wireless keyboards has been around for several decades, but the demand for such devices did not begin until the nineties. The growing popularity of programs, PowerPoint, the Internet and home computers has created an atmosphere in which wireless keyboard (and mouse) finally came into their own.