10.4 inch 10 point 4:3 capacitive touch screen with USB interface support Win7/8/10 Android(need to install driver) | Электроника

10.4 inch 10 point 4:3 capacitive touch screen with USB interface support Win7/8/10 Android(need to install driver) | Электроника

10.4 inch 10 point 4:3  capacitive touch screen with USB interface support  Win7/8/10 ,Android(need to install driver)

Introduction and working principle of 1: capacitive touch screen:
Product introduction:
Capacitive touch screen technology is the use of the current sensor to work. The capacitive touch screen is a four layer composite glass screen, glass screen of the inner surface of the sandwich and coated with a layer of ITO, the outer layer is a thin layer of silica glass protective layer, laminated ITO coating as a face, on the four corners leads to the four electrodes, the inner shield for the ITO to ensure a good job for the environment.

Technical principle:
Capacitive touch screen is a transparent glass on the surface of a special metal conductive material. When the finger is touched on the metal layer, the capacitance of the contact changes, so that the frequency of the oscillator connected is changed.
The capacitive touch screen is mainly made of a transparent film layer on the glass screen, and a protective glass is added on the conductor layer. Capacitive touch screen can be regarded as a screen body is composed of four layers: the outer layer is composite screen glass protective layer, then the conductive layer, the third layer is the glass screen is not conductive, the fourth layer is a conductive layer in the. The conductive layer is a shielding layer, the electrical signal of internal shielding effect, the conductive layer in the middle is the key part of the touch screen, directly lead the four corners or four sides, responsible for touch

point detection.
The capacitive touch screen is provided with a long and narrow electrode on the four sides of the touch screen. On the touch screen, because the body electric field, the fingers and the conductor layer can be formed between a coupling capacitor, a four electrode current will flow to the contact, and the current strength and the finger to the electrode is proportional to the distance, the proportion and intensity in the touch screen controller will calculate the current, accurately calculate the touch point position. Double glass capacitive touch screen can not only protect the conductor and the sensor, effectively prevent external environmental factors impact on the touch screen, the screen even if the piles of dirty dust or grease, capacitive touch screen that can accurately calculate the touch location.

Product advantage:
Antistatic ability
Beautiful design
Support single point and multi touch
Touch is very small
Highly pervious to light
Wear resistance
Long life
Low maintenance cost for user
Can withstand more than 300 million touch Click

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18.5 inch  10 point capacitive touch screen with USB interface support Android, Win7/8/10