Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2008-03-11
2008-03-11
Lee, Patrick J. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S215000, C250S229000, C002S008600, C002S427000, C349S014000, C349S016000, C396S263000
Reexamination Certificate
active
10898297
ABSTRACT:
A wireless remote control is provided for an auto-darkening lens (ADL) system used in a welding helmet, respirator system or other device to control or to adjust settings of an ADL of a controllable light shutter. A display system facilitates providing information indicating the operative settings and/or conditions of the controllable light shutter. A wired remote control for controlling or adjusting an ADL also uses a display system with indicators to indicate the operative settings and/or conditions of the ADL. The display may include a number of indicators, an alpha-numeric display, a heads-up display or other display. The display may include discrete indicators in the peripheral field of view of one eye of a user a controllable. The invention also includes methods of using a remote control for an ADL and of making an ADL to provide for future use of a wireless remote control.
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International Search Report relating to application PCT/US2004/023743, dated mailed Mar. 12, 2004.
Lee Patrick J.
LightSwitch Safety Systems, Inc.
Renner , Otto, Boisselle & Sklar, LLP
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