Patent attributes
A status alarm mask may include a main body to cover a face and eyes of a user. The mask may include a filter unit placed at a front surface portion of the main body to protect the eyes. The mask may include a communication module configured to establish a communication session with a welding torch held by the user and receive at least one inclination value of the welding torch being operated by the user, through the communication session. The mask may include a controller configured to determine whether a work of the torch is in progress, on the basis of an operation of the filter unit and to generate notification output data when the work of the torch is in progress. The mask may include an output unit placed at a location not overlapping with the filter unit and configured to receive and output the notification output data.