Auto-darkening welding helmet

Abstract 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 5 lens control setting display is configured on an internal portion of the apparatus and located in a field of view...

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Bibliographische Detailangaben
Hauptverfasser:	DEKEUSTER, MICHAEL T, STOWELL, ROXANNE M
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BLASTING DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ENGINEERING ELEMENTS AND UNITS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SAFETY DEVICES IN GENERAL THERMAL INSULATION IN GENERAL TREATMENT OR PROTECTION OF EYES OR EARS WEAPONS
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