What are the characteristics of capacitive touch screen (industrial control class)

Release time:

2023/04/10 21:05

Touch chip, generally refers to touch chip, refers to single-point or multi-point touch technology, mainly used in smart phones, notebook computers, car displays and other applications of human-computer interaction in electronic products. Commonly used touch chip is the use of capacitive effect, by sensing current to touch, resistance is to touch by sensing pressure. Capacitive touch sensing technology has become the mainstream of touch sensing technology, therefore, capacitive touch chip has become the most concerned touch chip.

It is said that the dual-mode scheme of pressure touch and capacitive touch fusion is adopted, its high-sensitivity pressure detection is used to identify the pressing action, and the capacitive touch is used to locate the pressing position. The two are complementary, and the overall scheme has the comprehensive advantages of high reliability, low cost and simple application. At present, the major European and American suppliers of car regulation chips have the problems of price increase and shortage. The launch of this series of chips will provide a differentiated choice for car companies.

In terms of touch control, most tablet computers are touch computers, and there are generally two control methods: capacitive touch tablet computers and resistive touch computers. Touch screen industrial computer capacitive screen, electrostatic induction, requires the conductor to touch the screen to respond, so it does not need to be very hard, as long as the finger touches the screen to identify. Then, an ordinary stylus cannot be used for a capacitive screen, which has a special stylus with static electricity. The advantage of the capacitive screen is that it is sensitive and supports multi-touch. The downside is that you can't be sure of it. For example, when editing a document, it is not easy to click on words or punctuation marks. Industrial touch screen all-in-one machine is usually only used in industrial environment. It is an industrial computer that combines LCD screen, touch screen and host computer together, and can be dustproof, waterproof and shockproof. The touch function gets rid of the shackles of keyboard and mouse, and greatly improves the effect of interpersonal interaction.

The cost is not high, the use of domestic manufacturers research and development of the car gauge pressure and capacitive touch two-in-one dual-mode chip, with the car gauge-level pressure touch film sensor, the overall cost and the traditional foreign brand pure capacitive touch chip price is equivalent, but the overall reliability and human-computer interaction experience to improve a lot. Has a very high price.

Strong versatility, can be used as a human-computer interaction platform-level car gauge chip selection, suitable for almost all human-computer interaction scenes in the car, whether it is single pressure, single capacitive touch or the fusion of the two scenes.

The CBB capacitor is used more widely, it can be used in: high frequency pulse applications, high current occasions, AC occasions, high stability timing occasions, switching power supply systems, lighting industry, industrial control industry and other fields.

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