Water drops on the touch panel!Why do you malfunction?

The "touch display" mounted on many digital gadgets features intuitive operability that can be instructed as mentioned by your finger.Smartphones and smartwatches have a close relationship with the functions and usability so that they cannot be told without touch displays.Do you malfunction if you get a panel or water with water?Have you ever malfunmed the touch panel, soaking in water or taking a shower?Especially in the case of smartwatches, products with high waterproof performance such as IPX7 are very popular because they are left on their wrists.When I was using it around the water, the touch display reacted without permission when I took the water....That is.The reason is probably because the touch display is "susceptible to the surroundings."Generally, the touch display that recognizes two or more fingers uses a "projected electrostatic capacity system" that reads changes in charge/voltage by thin electrodes arranged in a grid.It often responds to other substances.The important thing is to adjust so that it does not respond to "noise" such as water drops.The fingertips and noise are slightly different in different capacity change amount, and only when the fingertips are found to be fingertips.Even a smartphone / smartwatch that uses the same projected electrostatic capacitance system can change the degree of reaction to water drops due to the difference in accuracy that determines the malfunction due to noise.The difference in accuracy is the algorithm that determines the capacity change, which is a controller IC equipped with the software / firmware.This area is a difference in construction and the difference in quality.

Maritime ninja