Technologies are developing not just quickly, but rapidly. What was once considered almost a miracle is now used every day. Touch keyboards and screens are becoming a familiar part of everyday life. These devices are light and easy to use, have a long service life and high reliability - there are simply no mechanical elements that can break. Touchscreen
Keyboard (with established mass production) has a low cost, since there is no need to use cast molds and spend time and human resources on assembly. The advantages of this technology include the fact that such a device is hygienic - there is nowhere to collect dust and dirt. Also, the touch keyboard is not afraid of spilled liquid (which is quite important for those who spend a lot of time at the computer and often eat and drink "on the spot"). A device of this type can have any number of buttons, any look and configuration. It can be built into any device: industrial equipment, security systems, ATMs, instrumentation, etc.
But as always,there are downsides. First of all, this is that there were difficulties with mass production. There are developments, but these devices are not widely sold. The thing is that a fairly complex technology is required that will allow
detect any touch on the touch element, which is expensive, and, apparently, is an intractable task today (at least for now). There are also problems with the software, which should ensure trouble-free operation. Some users predict difficulties in using such keyboards: it will be impossible to type blindly, which is unlikely to please the owners of such a skill. So, on the one hand, the touch keyboard is convenient and practical, but on the other hand, it raises a number of questions.
Operation principle
The operation of touch devices is based on the use of special sensors of a special design. As sensitive elements, paired contact pads are used, separated by a small gap. The number of sensors corresponds to the number of keys. When you touch a specific area with your finger, the static potential increases on it, on the basis of which a special circuit generates a signal indicating that the sensor has been triggered.
The touch keyboard is undoubtedly a more technological device than the usual push-button units, but so far it has not received proper implementation. No, it is used in some devices (for example, in household appliances), but, as a rule, it has no more than a dozen(or so) keys. The usual computer keyboard has about a hundred of them, which, apparently, is the main difficulty for developers. There are already pilot releases, but the matter has not reached mass production. But technology is advancing, and, perhaps, after a while, touch devices will already have their influence on the choice of keyboard. In the meantime, we are just thinking whether it will be convenient or not, and counting the theoretical benefits.
