Input apparatus and input method of a portable terminal using a pen
US9507461B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2012 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Mar 6, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0488
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An input apparatus of a portable terminal and an input method for compensating an input from a pen to increase the accuracy of the pen are provided. The input apparatus includes a touch panel configured to generate an input signal according to a pen touch, a memory configured to store at least one lookup table in which data for compensating an error of a pen input according to a user's pen usage characteristic is stored, a controller configured to detect an input coordinate of the pen touch on the touch panel and configured to extract compensation data from the lookup table corresponding to the input coordinate to compensate the error of the pen input, and a display unit configured to display a compensated pen input signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.