Since its inception, the computer keyboard is constantly developing and evolving, but no matter what, the most popular of its goal remains the one that many years ago was borrowed from plowing machines.
We offer you a little history of this device, which is so easily influenced little time and is unlikely to change in the foreseeable future.
The most popular in the keys layout is modern keyboards QWERTY, inherited from typewriters, however, as shown by tests, it is not very effective, and attempts were made to create an alternative set of times.
The most rational option recognized that developed August Dvorak in the 1930s, called “Simplified Dvorak keyboard.”
In developing this layout were taken into account the physiological characteristics of human and commissioning of large volumes of text with its help is less tedious compared to QWERTY.
Incidentally, most operating systems now have built-in support for all versions of the Dvorak keyboard.
The company produces its PCD Maltron keyboard since 1977 and still remains in the market.
The peculiarity of its products is the unique layout that can be comfortable for people with disabilities.
In order to increase the ergonomics, the surface of these devices has a significant curvature, and access to a large number of keys can be obtained with just one hand.
Membrane or “buttonless” keyboard appeared in the 80s of the last century and were used in portable computers such as Sinclair ZX81.
Their feature is the protection from moisture and dust, but the blind stamp be difficult due to the absence of the relief surface.
In 1984, IBM released a home computer PCjr, which had many design flaws.
Despite the fact that a year later the production was discontinued, this model was the first to get a wireless keyboard.
Data is transferred via infrared, and used to power the 4 batteries AA.
Also in 1984, Apple released the “portable” computer IIc, which had a mechanical switch input method with a QWERTY keyboard on a simplified Dvorak and back.
In the 1980s, the first attempts were made to create “smart clock”: a company Seiko released electronic clock Data 2000 and UC-2000 that could keep a record of length up to 2000 characters for input which used special separate keyboard.
1985 could be called the year of birth classic keyboard. It was then, IBM has released the Model M, a keyboard which not only had the kind to which we are all used to, but was equipped with a key recovery system to its original position, which was accompanied by a characteristic no less familiar click.
In 1996, saw the light of “hacking” keyboard Happy Hacking Keyboard, manufactured by Fujitsu commissioned by PFU Limited.
Number of buttons on it was reduced to about 60, which led to a decrease in size and become quite serious modification (but not alternative) familiar QWERTY.
Appearance of the first handheld computers PDA or just did not go unnoticed developers peripheral input devices.
Stowaway keyboard has an analogue of modern docking stations and connects directly to the portable gadget, making it much easier to work with. And the problem was solved by a special size folding mechanism.
In 2002, a prototype of the virtual keyboard Canesta, which project images onto the surface of the table.
The Korean company Celluon has licensed the technology and released on the basis of its multiple devices, such evoMouse or Case for iPhone, called Prodigy.
In 2010 bought the rights to Canesta Microsoft and combine it with their own developments in the field of user interfaces.
Over the past few years have proliferated gaming keyboards that are designed to lead online battles, have many extra buttons, modifications and other settings, but almost always they are based on a recognizable framework.
Projection and screen keyboards have one major drawback : typing on them may be accompanied by vibrations and sounds, but they do not provide tactile sensations needed to enter the blind.
The technology on which the company operates Tactus, implies a dynamic change of the surface when entering text in a way that appears under your fingers “tactile pixels” – bumps, symbolizing the button; when the input is completed, the surface again becomes flat and smooth.