If information is superimposed directly into the field of vision of a pair of glasses, these glasses are called smart glasses (Wearables)
They can be seen as a new interface between man and machine.
Very often a bluetooth connection with a smart phone is used in order to link smart glasses to a network.
With this additional information can be obtained by the user in his familiar environment.
The display is controlled via head movements, a touchpad (integrated in the headband) or the voice.
In the industry additional interaction with machines can be found where different devices send information to the user automatically.
Smart glasses allow work processes to be simplified and accelerated.
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