Inventor

LEE JIN-CHUL

KR11 patents

Patents

11 patents

US6292179B1Sep 18, 2001

Software keyboard system using trace of stylus on a touch screen and method for recognizing key code using the same

SAMSUNG ELECTRONICS CO LTD234 citations97

US6085268AJul 4, 2000

Portable information terminal/method for renewing programs using PC card with utility programs on PC card displayed for selection according to control signal from controller

SAMSUNG ELECTRONICS CO LTD25 citations90

US6182170B1Jan 30, 2001

Method for replacing program in portable information terminal using utility program and new program received via communication unit and determining utility program appropriateness for replacement

SAMSUNG ELECTRONICS CO LTD27 citations88

US6091031AJul 18, 2000

Portable information terminal and an activating method thereof

SAMSUNG ELECTRONICS CO LTD31 citations87

US10156935B2Dec 18, 2018

Touch screen controller, touch sensing device, and touch sensing method

SAMSUNG ELECTRONICS CO LTD7 citations82

US6084529AJul 4, 2000

Device and method of processing a radio paging message in a portable terminal

SAMSUNG ELECTRONICS CO LTD10 citations73

US6108791AAug 22, 2000

Password processing apparatus and method

SAMSUNG ELECTRONICS CO LTD9 citations71

US10712869B2Jul 14, 2020

Touch panel controller for sensing change in capacitance

SAMSUNG ELECTRONICS CO LTD1 citations61

US10488985B2Nov 26, 2019

Touch sensor controller

SAMSUNG ELECTRONICS CO LTD1 citations61

US10082916B2Sep 25, 2018

Circuit for cancelling offset capacitance of capacitive touch screen panel and device including the same

SAMSUNG ELECTRONICS CO LTD0 citations48

US9886136B2Feb 6, 2018

Touch screen controller using adaptive filter control and touch screen system having the same

SAMSUNG ELECTRONICS CO LTD0 citations39