AUTO-DARKENING WELDING HELMET

An auto-darkening eye protection apparatus such as a welding helmet includes an externally located combined push button and rotary switch coupled to lens control circuitry. A lens control setting display is configured on an internal portion of the apparatus and located in a field of view of a user w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DEKEUSTER, MICHAEL T, STOWELL, ROXANNE M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONTACT LENSES DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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