Mobile phone touch screen is equivalent to an induction device, 86 smart board can receive input signals, and driven by tactile feedback system, on the LCD screen to create vivid audio effect. Touch screen mobile phone is one of the components of the phone's screen, with strong and durable, easy to use, the advantages of fast speed.
Technology is the key to measure the position of the touch point (coordinate), the more accurate location estimation of the more mature technical instructions.
Touch screen when lit up, is it in the work period, will continue to launch ultrasonic equipment, when the finger touching the screen, the fingers will stop and absorb some of the ultrasonic wave, the energy attenuation.
The working principle of the capacitive touch screen is the smart board for conference room use of the human body induction current. When users touch screen, the body electric field is form coupled with mobile phone touch screen surface current, because mobile phone touch screen has a high frequency signal, the fingers from the point of contact when suck a small current, the current will be respectively from mobile phone touch screen issue on the four corners of the electrode, the four electrodes in the electric current is proportional to the current in the four corners in the fingers, so the controller through the precise calculation of the percentage of the four current, can be concluded that the location of the touch point.
Believe there are many people are familiar with touch screen smart boards for conference rooms machine is not enough, but as long as observe, you will find the touch screen all-in-one early into the society from all walks of life.
Gens going to work does not need to sign in the pen, only need to gently touch point before attendance machine, touch screen, the attendance record is the perpetual left; To the bank deposit and withdrawal, need not manual operation, as long as through the touch screen display, according to clew requirements can quickly achieve a goal; To the station to buy tickets, also don't have to ask the inclerry desk, multi-touch screen using the station, train number, arrival time, ticket prices and other information will be clear at a glance; Even now to the park, by multi-point touch screen can be pre-arranged pick-up lines, and detailed understanding of the scenic spots along the way.
Touch screen machine is so widely into our lives, that it indeed smartboard for business has its unique advantage. First of all, this kind of machine using the multi-touch technology, has a good performance of human-computer interaction, although now computer has been more popular, but for some people, the old man and not commonly used computer using the keyboard still more difficult to operate, while the use of touch and query machine want to check what need only fingers gently touch points, you can get the answer, greatly facilitate the operation, especially for the elderly and children, is very convenient to use, so is very popular. Second, touch all-in-one PC can save a lot of space.
Both businesses and services industry, in the propaganda need a lot of space smartboards for business to display their product information, but make billboards, written signs need to take up a lot of space, and touch-screen display good video and image display, as long as the hard disk is enough big, can show abundant information in the touch screen, can for each user to save a lot of advertising costs.