Controlling device with selectively illuminated user interfaces
US8149218B2 · kind B2 · utility
5Cited by
15References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2004 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Dec 19, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/202
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A controlling device using a source of energy, such as light energy, to provide the controlling device with a user interface having multiple, different visual appearances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.