User interface for a portable telecommunication device
US7593748B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Mar 5, 2003 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Mar 18, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
User interface for providing operational input to a portable telecommunication device without using keys or corresponding manual input means, wherein the interface comprises an electromechanical actuator including an electrical drive means provided with supply means for electrical drive means provided with supply means for electrical power and a movable means arranged in relation to the drive means in such a way that the movable means performs a mechanical movement when electrical power is supplied to the drive means, and wherein an electric signal is induced in the drive means when the portable telecommunication device is moved in a way that causes the movable means to move, a sensing unit for sensing the induced electrical signal, and a control means for controlling a desired operation of portable telecommunication device by means of the signal induced in the drive means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.