The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 29, 2016

Filed:

Aug. 27, 2012
Applicants:

Choongkwon Lim, Suwon-si, KR;

Sanghyeok OH, Seoul, KR;

Joohoon Lee, Yongin-si, KR;

Dohee Kang, Suwon-si, KR;

Junyun Kim, Yongin-si, KR;

Jungchul an, Suwon-si, KR;

Yongseob Yun, Suwon-si, KR;

Inventors:

Choongkwon Lim, Suwon-si, KR;

Sanghyeok Oh, Seoul, KR;

Joohoon Lee, Yongin-si, KR;

Dohee Kang, Suwon-si, KR;

Junyun Kim, Yongin-si, KR;

Jungchul An, Suwon-si, KR;

Yongseob Yun, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01); G06F 3/0488 (2013.01);
U.S. Cl.
CPC ...
G06F 3/0418 (2013.01); G06F 3/044 (2013.01); G06F 3/0488 (2013.01);
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.


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