Mobile terminal
US8519962B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2010 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Dec 1, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A mobile terminal includes: a terminal main body having a wireless communication module; a wireless keypad configured to input information to the terminal main body and operating in a tactile manner; and a driving unit configured to operate the wireless keypad by using power of the terminal main body, wherein the driving unit includes: first and second electrodes mounted in the terminal main body and the wireless keypad; an electric field formation unit provided in the terminal body and applying voltage to the first electrode to form an electric field between the first and second electrodes; and a controller mounted in the terminal body and detecting information regarding a touch applied to the wireless keypad based on a change in the electric field generated by a touch applied to the wireless keypad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.