The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 19, 2006

Filed:

Jul. 02, 2004
Applicant:

John D. Fergason, Cupertino, CA (US);

Inventor:

John D. Fergason, Cupertino, CA (US);

Assignee:

LightSwitch Safety Systems, Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An indicator system and method for an auto-darkening lens or other device that is intended to be placed relatively close to the face of a wearer includes one or more indicators adjacent the lens and generally provides the indicators in the peripheral field of view of the wearer, allowing the indicators to be discerned without having to focus eye vision on them and while allowing the wearer to direct eye focus on a work piece or the like.


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