Dr’ Samuel C’ Hurst invention touch screen monitors in 1971 and since then have become increasingly popular, especially in the computer business, such as ATMs and ATMs as well as PDA and mobile technologies’

Combining both touchscreens device input and output, reducing the need for devices such as keyboard, mouse and monitor’ Instead of a user to simply touch the screen with a finger or a pencil sometimes manipulate the graphical user interface’

Touch screens using a series of technological systems to recognize a person in contact with the more common of resistance, capacitive, infrared and acoustic waves’

Resistive touch screens are the most versatile because they are a normal glass plate is covered with a driver and a sturdy metal layer’ The two layers are separated and an electric current passes through them, while the monitor is running’ When the user touches the screen, the layers in contact with this exact cause interference in the field of electricity, the computer calculates the coordinates’

The only drawbacks of this system is that multiple layers of Restrict about a quarter of the light scattered by the screen and can also be easily removed thus reducing their effectiveness’

The system differs by a capacitive layer that stores an electrical charge on the glass panel of the screen’ When someone touches the panel, part of the cargo is transferred to the user, so the overall load of the layer decreases, which can be measured by the circuitry and calculated by the computer as the place where contact with a place’ The system also allows capacitive light to be transmitted to control the resistance of the system’

Capacitive touch screens are more durable and resistant to contamination that the resilience of the system’ Are more popular for industrial applications and is due to its durability and impermeability to moisture, dirt and grease’

The technology of surface acoustic waves by ultrasonic waves that pass over the touch screen’ When the group is affected, part of the wave is absorbed, as the current in a capacitive system, which can measure the location of the button’

Panels of the wave surface are easily damaged and contaminants on the surface to prevent its operation, but offers greater clarity and precision optical systems’

Infrared touch screens are using two different methods’ A measure of heat of a contact person in the top layer’ This method requires that the hands warm and users can not wear gloves or use a stylus’ Another method is to use a beam of light near the surface of the screen, the infrared is used to measure when the beam is broken by touching the screen’ Infrared touch screens are more durable, but can be slow to react’

Tons of other systems, if the screen is mounted in the spring of the four currencies and the movement is measured when you touch the screen’ This technology is very durable and resistant to vandalism’

Tags: Industrial LCD, Industrial Monitor, Retail Displays, Rugged Portable PC, TFT Displays

touchscreens are highly developed displays that can accurately detect the location of keys on the screen, which allows the screen to be used without a keyboard or other device’ Most times, the LCD touch screens are, which can be attributed to all teams’ They have become very common since the seventies and are very well in retail settings, at ATMs and PDAs as well’ But one of the best known of the touch screen is the game console called the Nintendo DS’

In fact, the design of a system using a touch screen as the operator input means is growing in popularity in all sectors, especially manufacturing’

We began to see touch screens in our lives, but suspect that the LCD industry touch screens are much more used’ As seen from LCD or TFT LCD industry, companies involved in industry are very loving these screens, and many industrial applications require the use of LCD touch screens that can cope with environments, such as heat, even in cold weather or rain’

Besides this, they feel a bit the man-machine interface for industrial equipment that allows the operator responses to be natural and intuitive’ LCD touch screen easy to simplify the task of the engineer or operator and reduce training time for operators, while adding more features to the machine itself’

Today, the touch-screen technology is reliable and robust for use in harsh industrial environments where they could be used safely and can last much longer than normal screens or other displays’ These screens reliable interaction making them ideal for use in many industrial applications’

The room of an office or a warehouse or food processing plant powder applications increasingly sophisticated portable computers, a wide range of industrial LCD touch screens can now be consulted on the market’

The only disadvantage of the touch screen LCD interface is the problem with emphasis on the fingers of men in a touch screen is used a lot’ This problem can be lifted by means of a simple pen, for example, but obviously this is not really possible on touch screens in public kiosks or ATMs, for example’

Tags: Embedded TFT, Industrial LCD, Industrial Monitor, Rugged Portable PC, TFT Displays