The history of the development of computer keyboard

Publié le par fefdee.over-blog.com

 

J gesture input: Subversion of the traditional mode of input

 

For keyboard, regardless of how a play, people seem to jump out of the QWERTY input mode. In the touchscreen era, people also think of another way: the gesture input input. The United States of America Twitch Technologies proposes such a solution: a single hand operating keyboard package to computer users around the sides, unisen wireless keyboard available finger combination operation input, such as Zuo Xiaozhi and the right thumb combination can input A. This product is still in the stage of concept, but has attracted high attention of investors.

 

I microfluidic virtual keyboard: on the road

 

Intelligent mobile phone and computer large tropical fire virtual keyboard, but unfortunately this type of keyboard are not physical feedback experience. Headquartered in California Tactus company a was called the " microfluidic button" scheme. Input screen button part will be full of liquid substance and form physical touch button; not input keys and restitution, to become flat screen. Tactus company plans next year to market this technology.

 

H lighter, thinner, the better

 

With the growing popularity of notebook, lighter, thinner keyboard has become a trend. But the lightest, most thin keyboard is not necessarily the best, because the keyboard another index -- using the experience is also very important, at the same time businessmen consider keyboard manufacturing cost. In the thin keyboard design, American Synaptics company to be very successful. The company later introduced ThinTouch technology abandoned scissors type switch and a dome design, and adopts a new capacitive sensor. Each key only need to press the half can produce the input, to design the keyboard than apple notebook keyboard is thin.

 

G 90 time: scissors type switch keyboard

 

Go up century 90 time, the keyboard is slowly light tendency. The original rubber dome keyboard keys and key size distance is too large, it makes the improvement to it. Method in internal control structure adopts a scissors type switch, the button and button distance between size decreased. The design on a laptop computer and a thin keyboard used on more.

 

F 80 time later period: Rubber dome keyboard

 

Keyboard " press - circuit output character " of the process, not only can use the spring, elastic good rubber structure also can do. Go up century 80 time later period, there are alternatives, design based on the rubber dome keyboard, this design is still in use in many desktop computer keyboard. Its basic principle is the same as to dredge the toilet bowl is similar to skin absorption, users press the button, rubber dome is compressed to form a closed circuit and output characters. Loosen the keyboard, the dome will be restored.

 

E at the beginning of the 80's : the classic type M keyboard

 

To talk about the history of the development of modern keyboard peak work, when the first IBM in the early 80 century on the launch of the M type keyboard. In the history of the development of the keyboard, the significance of its existence dab8f23ek is "has been imitated, has never been beyond ", still have a lot of fans. The keyboard main body structure is a bend type spring, after pressing the button, under the keycap spring will gradually bending, until the trigger is at the bottom of the film button. But M keyboard has a shortcoming is that feels very hard, knocked up quite effortlessly. Times have changed. In time, feel very good ... ...

 

D at the end of the 70's: hail to Selectric

 

Because Selectric typewriter user group is huge, quite one part person still accustomed to its keyboard. In 1978 IBM acquired a called " button spring " patent, namely to make computer keyboard with Selectric typewriter keyboard that experience, even the sounds are more or less the same. This patent principle says that it is simple, Fly mouse is in the original non levels following keycap and a small spring. Use of the patent for the keyboard of a launch, immediately very popular.

 

C 70 time later period: capacitor switch

 

Reed switch or a mechanical color, using up is not stable enough, people need more stable keyboard. Go up century 70 time later period, the United States computer equipment manufacturer Key Tronic design a more intelligent capacitor switch. Its basic principle is not complex: on top of a keyboard below by adding a small amount of aluminum sheet, press the button, the aluminum sheet can change the circuit board corresponding to the position of capacitance. The microprocessor can automatically identify the signals and output the corresponding character.

 

B the beginning of the 70's: join the reed switch

 

Selectric typewriter mechanical telescopic keyboard while it was good enough, but in automation, intelligence is not just as one wishes. Arrive on century 70 time initial stage, people begin to pop keyboard design with a reed switch. Its basic principle is that a piece of magnet with two metal fiber working, press the keyboard will increase the magnetic field on metal fiber force, starting switch, two metal fiber forming circuit and output the corresponding character. Loosen the keyboard, magnetic and metallic fibers role and to return to the past.

 

A the beginning of the 60's: Selectric electric typewriter

 

International Business Machine Corporation ( IBM ) Selectric electric typewriter, launched in July 31, 1961, has passed more than half a century. Maybe even the designers had unexpectedly, this model of typewriter is later to become king of the typewriter, and the profound influence to the computer keyboard design. Selectric typewriter adopts Golf spherical print head design, typing the user after the print head will automatically return to the position. The user can also add to the design of different print head, hit multiple fonts, this design is considered to be the pioneer of modern word processing program.

 

Computer keyboard is in direct contact with the human body most computer components, but also on the using experience of the user contribution is the largest part of the. In the computer after the birth of more than half a century, the computer keyboard has gradually become very delicate, thin, in recent years the popular virtual keyboard, is very good also inherited the mantle of the QWERTY keyboard. However, Rome was not built in a day, will need to keep in mind is the original keyboard and not so, we should be grateful for several generations of designers for the excellent work.

Publié dans IT

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