Indicator layout on an auto-darkening lens for use in welding
US7150047B2 · kind B2 · utility
83Cited by
43References
45Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2004 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Nov 20, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/067
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.