digital printed capacitive switch technology and electromagnetic screen

There are significant differences between digital printed capacitive switch technology and electromagnetic screen in many aspects.When a finger or other conductor approaches or touches the screen, a capacitive coupling effect is formed, changing the charge distribution on the conductive film, which is detected by the touch screen controller and converted into a touch signal.The electromagnetic screen uses the principle of electromagnetic induction to work, through the magnetic flux change between the electromagnetic pen and the sensor on the substrate to drive the electromagnetic pen to transmit signals, and the substrate receives signals for positioningSecondly, in the application scenario, digital printed capacitive switch technology is widely used in consumer electronic products such as smart phones, tablet computers and touch screen laptops because of its high sensitivity, good visual effects and wide application fields.The electromagnetic screen is more used in the need for accurate input and signature occasions, such as banks, business halls, government offices and other electronic signature screen for business.In addition, from the perspective of user experience, the touch operation provided by digital printed capacitive switch technology is intuitive and convenient, which is suitable for various daily operation needs. The electromagnetic screen, due to its higher sensitivity and response speed, can more accurately capture the user's input, but may require the user to adapt to a specific mode of operation, such as using the electromagnetic pen for writing or signing.Finally, from the point of view of cost and technical complexity, digital printed capacitive switch technology may have a relatively low cost due to its wide range of applications and mature industrial chain.The electromagnetic screen may require higher technical investment and cost due to its special working principle and application scenarios.To sum up, there are obvious differences between digital printed capacitive switch technology and electromagnetic screen in terms of working principle, application scenarios, user experience, cost and technical complexity.Which technology to choose mainly depends on the specific application requirements and scenarios.