A system (2000) comprising a head-mounted device (2010); at least one position sensor coupled to the head-mounted device; at least one light-filtering shield (2012) coupled to the at least one position sensor; at least one light detector (2019); and at least one computing device (2017) configured to receive, from the light detector, an indication that an intensity of light detected by the light detector exceeds an exposure threshold; determine, from the at least one position sensor, that the light-filtering shield is not positioned at the face of a worker to filter light with the intensity that exceeds the exposure threshold; and generate, in response to the determination that the light-filtering shield is not positioned at the face of a worker wearing the head-mounted device to filter light with the intensity that exceeds the exposure threshold, an indication for output.

A system (2000) comprising a head-mounted device (2010); at least one position sensor coupled to the head-mounted device; at least one light-filtering shield (2012) coupled to the at least one position sensor; at least one light detector (2019); and at least one computing device (2017) configured to receive, from the light detector, an indication that an intensity of light detected by the light detector exceeds an exposure threshold; determine, from the at least one position sensor, that the light-filtering shield is not positioned at the face of a worker to filter light with the intensity that exceeds the exposure threshold; and generate, in response to the determination that the light-filtering shield is not positioned at the face of a worker wearing the head-mounted device to filter light with the intensity that exceeds the exposure threshold, an indication for output.

The disclosure relates to a welding system supporting a high-quality image and relates to a welding system configured to provide an image guiding a welding state of a user. The welding system includes a display unit including a front surface portion corresponding to a welding direction and a rear surface portion corresponding to a face portion direction; at least one eyepiece display installed in an area of the rear surface portion of the display unit; at least one camera unit installed in an area of the front surface portion of the display unit and configured to obtain a plurality of welding image frames according to a photographing condition of each frame; and a processor configured to control the photographing condition of the at least one camera unit, obtain a first synthesized image by synthesizing the plurality of welding image frames in parallel based on the plurality of welding image frames, and control the eyepiece display to display the first synthesized image.

An auto-darkening welding helmet comprises a helmet casing; an auto-darkening filter installed in the helmet casing; and a lighting device installed in the helmet casing, wherein the auto-darkening filter includes a liquid crystal panel which is switchable between a non-opaque state and an opaque state, wherein the lighting device comprises a cable connectable to the auto-darkening filter such that when the liquid crystal panel is in the non-opaque state the lighting device automatically emits light towards a front of the liquid crystal panel and when the liquid crystal panel is in the opaque state the lighting device does not automatically emit light.

The present application discloses an apparatus, comprising: a goggle, including a goggle frame and a protective lens installed in the goggle frame; a face mask releasably connected to the goggle; a detachable pivot-connection structure provided between two lateral sides of the goggle frame and the face mask, the detachable pivot-connection structure comprising a pivoting axis substantially parallel to a lateral direction of the goggle frame; and a detachable locking structure provided between the goggle frame and the face mask, the detachable pivot-connection structure configured to cooperate with the detachable pivot-connection structure to selectively lock the goggle frame and the face mask together.

The present application discloses an apparatus, comprising: a goggle, including a goggle frame and a protective lens installed in the goggle frame; a face mask releasably connected to the goggle; a detachable pivot-connection structure provided between two lateral sides of the goggle frame and the face mask, the detachable pivot-connection structure comprising a pivoting axis substantially parallel to a lateral direction of the goggle frame; and a detachable locking structure provided between the goggle frame and the face mask, the detachable pivot-connection structure configured to cooperate with the detachable pivot-connection structure to selectively lock the goggle frame and the face mask together.

A method of forming a filter, comprising the steps of: selecting at least a first wavelength corresponding to a predetermined laser threat and having a first colour in the visible spectrum; providing a generally transparent substrate and forming a first notch filter region therein configured to substantially block incident radiation thereon of wavelengths within a first predetermined wavelength band including said first wavelength; selecting a second wavelength having a second colour in the visible spectrum and forming a colour balancing notch filter region in said substrate configured to block incident radiation thereon of wavelengths within a wavelength band including said second wavelength, thereby to balance or neutralise any colour distortion of said substrate caused by said first notch filter region.

Eyewear is provided including a frame, and a camera connected with the frame, in which the camera is configured to be controlled by a remote controller. The camera may be configured to capture video and/or a photo. The eyewear may include data storage, and the camera may be connected to the data storage. A wrist watch may be configured to act both as a time piece and a controller of the camera. The eyewear may also include a heads up display and/or a video file player. The eyewear may also include an electro-active lens.

A real-time virtual reality welding system including a programmable processor-based subsystem, a spatial tracker operatively connected to the programmable processor-based subsystem, at least one mock welding tool capable of being spatially tracked by the spatial tracker, and at least one display device operatively connected to the programmable processor-based subsystem. The system is capable of simulating, in virtual reality space, a weld puddle having real-time molten metal fluidity and heat dissipation characteristics. The system is further capable of importing data into the virtual reality welding system and analyzing the data to characterize a student welder's progress and to provide training.

A real-time virtual reality welding system including a programmable processor-based subsystem, a spatial tracker operatively connected to the programmable processor-based subsystem, at least one mock welding tool capable of being spatially tracked by the spatial tracker, and at least one display device operatively connected to the programmable processor-based subsystem. The system is capable of simulating, in virtual reality space, a weld puddle having real-time molten metal fluidity and heat dissipation characteristics. The system is further capable of importing data into the virtual reality welding system and analyzing the data to characterize a student welder's progress and to provide training.