What Does Eccentric Rotating Mass Vibration Motor Do?

Eccentric Rotating Mass vibration motor (It also called ERM or pager motor).

The small vibrating motor is a coreless motor or a brush dc motor thoes are equipped with eccentric mass(fan or round shape), When the motor is working, The rapid rotation of the eccentric produces centrifugal force and then will have vibrating. This vibration can be used for informs users of getting new messages or calls. It’s a second way of reminding besides sound alert.

This kind of vibrating alert had been used for many applications, such as wearable devices, pagers, smart phones, handsets…Cylindrical vibrating motors are the best choices for many wearable applications just because of their small compact sizes and enclosed vibration mechanism. They are great for haptic feedback, particularly in handheld devices.

Custom design with or without foam pads & adhesive on the top or bottom of the coin motors. It was designed for wearable devices that requires vibration  feedback for alerting instead of physical buttons. Comparing with other ERMs, coin vibration motor are more compact and convenient to use.

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Pager Vibration Motors

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