Why do more and more membrane switches have button bulges?

Time of issue:


Usually, the buttons of membrane switches only use colors to express the position, shape and size of the key body. In this way, the accuracy of the operation can only be recognized by the operator's vision. Since there is no appropriate feedback information to indicate whether the finger is pressed in the effective range of the switch to make the switch operate, it affects the confidence in the monitoring of the whole machine and the speed of operation.

However, the button bulge of the membrane switch is more visually enhanced, not only can accurately specify the range of the key body, improve the recognition speed, make the operator's touch more sensitive, but also enhance the decorative effect of the product appearance. Therefore, key drum kits are more and more popular with users and manufacturers.

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