Method for Controlling a Protection Visor
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United States of America Patent
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Issued Date -
Apr 15, 2010
app pub date -
Aug 3, 2006
filing date -
Aug 30, 2005
priority date (Note) -
Abandoned
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Abstract
The invention describes a method for controlling a protective shield (29) by means of a welding device (1), wherein a signal is transmitted to a welding helmet (28) by the welding device (1), whereupon an electrically activatable protective shield (29) is activated by a transmitting/receiving apparatus (31) integrated in the welding helmet (28), and the protective shield (29) is darkened. Here, during the welding process, i.e. after ignition of the electric arc (15), the protective shield (29) is activated by a control device (4) of the welding device (1) via the transmitting/receiving apparatuses (30, 31), wherein intensity and/or degree of darkening of the protective shield (29) is changed during the welding process by repetitively darkening and brightening the protective shield (29) in an alternating manner. Thus, a better welding-process observation is achieved for the welder.
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