US 11,659,077 B2
Mobile terminal and method for controlling the same
Tao Luo, Seoul (KR); Yichieh Lee, New Taipei (CN); Haoyue Guo, Seoul (KR); Zhouxiong Jin, Seoul (KR); Jinghong Nan, Seoul (KR); Erica Pellegatta, Milan (IT); Wonheung Jo, Seoul (KR); Ayoung Hwang, Busan (KR); and Yaejin Kang, Busan (KR)
Assigned to Kookmin University Industry Academy Cooperation Foundation, Seoul (KR)
Appl. No. 17/768,651
Filed by Kookmin University Industry Academy Cooperation Foundation, Seoul (KR)
PCT Filed Oct. 15, 2020, PCT No. PCT/KR2020/014120
§ 371(c)(1), (2) Date Apr. 13, 2022,
PCT Pub. No. WO2021/080248, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 10-2019-0132510 (KR), filed on Oct. 23, 2019.
Prior Publication US 2022/0360659 A1, Nov. 10, 2022
Int. Cl. H04W 4/00 (2018.01); H04M 1/72403 (2021.01); G06F 9/451 (2018.01); H04M 1/72469 (2021.01); G06F 3/0482 (2013.01); G06F 3/0486 (2013.01); G06F 3/04886 (2022.01)
CPC H04M 1/72403 (2021.01) [G06F 3/0482 (2013.01); G06F 3/0486 (2013.01); G06F 3/04886 (2013.01); G06F 9/451 (2018.02); H04M 1/72469 (2021.01); H04M 2201/42 (2013.01); H04M 2250/22 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A mobile terminal comprising:
a display;
at least one sensor; and
a controller,
wherein the display is configured to display a virtual keyboard, and display a content entered by a user using the virtual keyboard on a content input window,
wherein the virtual keyboard includes an undo key for canceling a task performed in the content input window and a redo key for restoring a canceled task,
wherein when the at least one sensor detects a first drag past a first border line designated on a side of the undo key after a touch on the undo key, the controller is configured to display a first expected change of content expected to be changed and displayed in the content input window to be identified when one of tasks performed in the content input window is to be canceled in a designated unit, and
wherein when the at least one sensor detects a fourth drag past a fourth border line designated on a side of the redo key subsequent to a touch on the redo key, the controller is configured to display a fourth expected change of content expected to be changed and displayed in the content input window to be identified when one of canceling tasks is to be restored,
wherein when the at least one of the sensor detects a long touch, which is a touch of more than a designated time, subsequent to the first drag, the controller is configured to control the display to display a designated undo extension menu, and
wherein the undo extension menu comprises a plurality of numbers of tasks to be canceled.