Microprocessor based automatically dimmable eye protection device with interruption prevention
US8119974B2 · kind B2 · utility
3Cited by
63References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2010 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Jul 12, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An auto darkening eye protection device comprising a shutter assembly and a control circuit in electrical communication with the shutter assembly. The shutter assembly is adjustable between a clear state and a dark state. The control circuit comprises a microcontroller programmed to store a plurality of memory presets including at least one setting corresponding to the operation of the shutter assembly. At least two of the plurality of memory presets are individually configured for a specific type of welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.