Remote control device
US7649453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2006 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Dec 19, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/42213
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A remote control device capable of controlling a plurality of apparatuses is provided. The remote control device includes an external slit portion, an internal slit portion, a light receiving element, and a control circuit. The external slit portion and internal slit portion are arranged such that a prolonged line of each opening crosses a reception region of the light receiving element. The light receiving element is connected to the control circuit via a signal line. The external slit portion is formed such that the opening is located vertically when the remote control device is operated. The internal slit is formed such that the longitudinal direction of the opening is placed vertically when the remote control device is operated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.