Vibrating alert
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A vibrating alert is a feature of communications devices to notify the user of an incoming connection or message. It is particularly common on
ring tone. Most 21st-century mobile phones include a vibrating alert feature, as do smartwatches
.
Vibrating alerts are primarily used when a user cannot hear the
hearing loss
) or wants a more discreet notification (such as in a theatre). However, when the device is placed on a hard surface, it can often be as loud or louder than a ringtone.
The vibrations are often produced by a small electric motor connected to an off-center weight.
See also
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