Remote control transmitting device
US8138942B2 · kind B2 · utility
60Cited by
62References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2009 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Aug 14, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H19/005
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An annular operation unit is formed as an outer shape to cover entire outline of a surface of a case, and inputting switches and displaying unit are attached inside of an opening at the center side of the annular operation unit, allowing the annular operation unit to have a size to perform fine rotational operations in case the entire size of the remote control transmitting device is miniaturized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.