Mobile terminal performing a different operation based on a type of a tap applied to a display and control method thereof

• US 10,095,353 B2
• Filed: 04/20/2018
• Issued: 10/09/2018
• Est. Priority Date: 08/06/2013
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Yang, Eunmo, Cho, Hangshin, Byun, Joonwon, Ha, Jeunguk, Sin, Mansoo
• Primary Examiner(s): LANDIS, LISA S
• Application Number:
  US15/958,742
• Publication Number:
  US 20180239490A1
• Time in Patent Office: 172 Days
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/3206 Monitoring of events, devices or parameters that trigger a change in power modality
• CPC Class Codes: G06F 1/3231 Monitoring the presence, absence or movement of users
• CPC Class Codes: G06F 1/3287 by switching off individual functional units in the computer system
• CPC Class Codes: G06F 21/00 Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
• CPC Class Codes: G06F 21/31 User authentication
• CPC Class Codes: G06F 2200/1636 Sensing arrangement for detection of a tap gesture on the housing
• CPC Class Codes: G06F 3/01 Input arrangements or combined input and output arrangements for interaction between user and computer G06F3/16 takes precedence
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: G06F 3/16 Sound input; Sound output speech processing G10L
• CPC Class Codes: H04B 1/40 Circuits
• CPC Class Codes: H04M 1/67 by electronic means
• CPC Class Codes: H04M 1/72403 with means for local support of applications that increase the functionality
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion telephones including GPS signal receivers H04M2250/10
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector digitizers for touch screens G06F3/041
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

A mobile terminal including a display; a touch sensor overlapped with the display and configured to detect a touch input; and a controller configured to detect a first tap input applied on the touch sensor in state of a deactivated display and the touch sensor being periodically driven with a second period; determine a region of the display that corresponds to the first tap input; detect a second tap input applied on the touch sensor in state of the deactivated display within a predefined time period from the first tap input; determine if the second tap input is applied within the region; if the second tap input is applied within the region and within the predefined time period from the first tap input, activate the display and periodically drive the touch sensor with a first period shorter than the second period; and if the second tap input is applied to a spot outside the region, maintain the deactivation of the display and periodically drive the touch sensor with the second period.

Claims

1. A mobile terminal, comprising:

a display;

a touch sensor overlapped with the display and configured to detect a touch input; and

a controller configured to;

detect a first tap input applied on the touch sensor in state of a deactivated display and the touch sensor being periodically driven with a second period,

determine a region of the display that corresponds to the first tap input,

detect a second tap input applied on the touch sensor in state of the deactivated display within a predefined time period from the first tap input,

determine if the second tap input is applied within the region,

if the second tap input is applied within the region and within the predefined time period from the first tap input, activate the display and periodically drive the touch sensor with a first period shorter than the second period, and

if the second tap input is applied to a spot outside the region, maintain the deactivation of the display and periodically drive the touch sensor with the second period.

2. The mobile terminal of claim 1, wherein the touch sensor is further configured to detect the touch input made to any one place on the touch sensor.

3. The mobile terminal of claim 1, wherein the touch sensor is formed as an interlayer structure with the display.

4. The mobile terminal of claim 1, wherein the touch sensor is further configured to detect a touch pressure on the touch sensor.

5. The mobile terminal of claim 1, further comprising:

a touch controller configured to;

process a signal generated by the touch input on the touch sensor, and

transmit a data corresponding to the signal to the controller.

6. The mobile terminal of claim 1, wherein the determined region of the second tap input corresponds to a narrow region considered as a same spot as the determined region of the first tap input.

7. The mobile terminal of claim 1, wherein the touch sensor is further configured to:

switch to a ready state in response to detecting the first tap input, and

generate a control signal for controlling the mobile terminal in response to detecting the second tap input.

8. The mobile terminal of claim 1, wherein the periodically driving the touch sensor with the first period corresponds to driving the touch sensor with a first power mode,

wherein the periodically driving the touch sensor with the second period corresponds to driving the touch sensor with a second power mode, and

wherein a power consumption of the first power mode is greater than a power consumption of the second power mode.

9. The mobile terminal of claim 1, wherein the display and the touch sensor are driven in the following drive states:

a drive state A in which the display is activated and the touch sensor is periodically driven with the first period;

a drive state B in which the display is deactivated and the touch sensor is periodically driven with the second period; and

a drive state C in which the touch sensor is in a sleep mode and the display is deactivated.

10. The mobile terminal of claim 9, wherein the controller is further configure to:

switch from the drive state B to the drive state A if the second tap input is applied within the region and within the predefined time period from the first tap input after the first tap input is detected on the region of the touch sensor in the drive state B.

11. The mobile terminal of claim 9, further comprising:

a button for interchanging the drive state C and the drive state A.

12. The mobile terminal of claim 1, wherein the touch sensor is divided into a first region and a second region if the touch sensor is periodically driven with the second period, and

wherein the first region of the touch sensor is possible to receive the first tap input and the second tap input, and the second region of the touch sensor is impossible to receive the first tap input and the second tap input.

13. The mobile terminal of claim 1, wherein the controller is further configured to:

display a home screen on the activated display in which the touch sensor is periodically driven with the first period, the home screen including at least one icon and an empty space,

detect a third tap input applied to a position of the empty space of the home screen,

detect a fourth tap input applied on the position of the empty space of the home screen within a predefined time period from the third tap input, and

if the fourth tap input is applied on the position of the empty space of the home screen within the predefined time period from the third tap input, deactivate the display and periodically drive the touch sensor with the second period.

14. A mobile terminal, comprising:

a display including an illumination;

a touch sensor overlapped with the display and configured to detect a touch input; and

a controller configured to;

detect a first tap input applied on the touch sensor in a turn-off state of the illumination of the display and the touch sensor being periodically driven with a second period,

determine a region of the display that corresponds to the first tap input,

detect a second tap input applied on the touch sensor in the turn-off state of the illumination of the display within a predefined time period from the first tap input,

determine if the second tap input is applied within the region,

if the second tap input is applied within the region and within the predefined time period from the first tap input, switch to turn on the illumination of the display and periodically drive the touch sensor with a first period shorter than the second period, and

if the second tap input is applied to a spot outside the region, maintain the turn-off state of the illumination of the display and periodically drive the touch sensor with the second period.

15. The mobile terminal of claim 14, wherein the touch sensor is further configured to detect the touch input made to any one place on the touch sensor.

16. The mobile terminal of claim 14, wherein the determined region of the second tap input corresponds to a narrow region considered as a same spot as the determined region of the first tap input.

17. The mobile terminal of claim 14, wherein the touch sensor is further configured to:

switch to a ready state in response to detecting the first tap input, and

generate a control signal for controlling the mobile terminal in response to detecting the second tap input.

18. The mobile terminal of claim 14, wherein the periodically driving the touch sensor with the first period corresponds to driving the touch sensor with a first power mode,

wherein the periodically driving the touch sensor with the second period corresponds to driving the touch sensor with a second power mode, and

wherein a power consumption of the first power mode is greater than a power consumption of the second power mode.

19. The mobile terminal of claim 14, wherein the display and the touch sensor are driven in the following drive states:

a drive state A in which the display is activated and the touch sensor is periodically driven with the first period;

a drive state B in which the display is deactivated and the touch sensor is periodically driven with the second period; and

a drive state C in which the touch sensor is in a sleep mode and the display is deactivated.

20. The mobile terminal of claim 19, wherein the controller is further configure to:

switch from the drive state B to the drive state A if the second tap input is applied within the region and within the predefined time period from the first tap input after the first tap input is detected on the region of the touch sensor in the drive state B.

21. The mobile terminal of claim 19, further comprising:

a button for interchanging the drive state C and the drive state A.

22. The mobile terminal of claim 14, wherein the controller is further configured to:

display a home screen on the activated display in which the touch sensor is periodically driven with the first period, the home screen including at least one icon and an empty space,

detect a third tap input applied to a position of the empty space of the home screen,

detect a fourth tap input applied on the position of the empty space of the home screen within a predefined time period from the third tap input, and

if the fourth tap input is applied on the position of the empty space of the home screen within the predefined time period from the third tap input, deactivate the display and periodically drive the touch sensor with the second period.

23. A mobile terminal, comprising:

a display including an illumination;

a touch sensor overlapped with the display and configured to detect a touch input; and

a controller configured to control one or more functions executable in the mobile terminal when a tap corresponding to a pre-set scheme is applied to the display,

wherein operation modes of the mobile terminal include;

an active mode in which the display is activated and the touch sensor is periodically driven with a first period;

a doze mode in which the display is deactivated and the touch sensor is periodically driven with a second period greater than the first period, the doze mode being set to recognize the tap corresponding to the pre-set scheme; and

a sleep mode in which the touch sensor is in a sleep mode and the display is deactivated,

wherein the controller is further configured to;

detect a first tap input applied on the touch sensor in the doze mode,

determine a region of the display that corresponds to the first tap input,

detect a second tap input applied on the touch sensor in state of the deactivated display within a predefined time period from the first tap input,

determine if the second tap input is applied within the region,

if the second tap input is applied within the region and within the predefined time period from the first tap input, switch from the doze mode to the active mode, and

if the second tap input is applied to a spot outside the region of the display that corresponds to the first tap input, maintain the deactivation of the display.

24. The mobile terminal of claim 23, further comprising:

a terminal body including a button for interchanging the active mode and the sleep mode.

25. The mobile terminal of claim 23, wherein the touch sensor is further configured to detect the touch input made to any one place on the touch sensor.

26. The mobile terminal of claim 23, wherein the determined region of the second tap input corresponds to a narrow region considered as a same spot as the determined region of the first tap input.

27. The mobile terminal of claim 23, further comprising:

a touch controller configured to;

process a signal generated by the touch input on the touch sensor, and

transmit a data corresponding to the signal to the controller.

28. The mobile terminal of claim 23, wherein the touch sensor is further configured to:

switch to a ready state in response to detecting the first tap input, and

generate a control signal for controlling the mobile terminal in response to detecting the second tap input.

29. A mobile terminal, comprising:

a display;

a touch sensor overlapped with the display and configured to detect a touch input; and

a controller configured to;

detect a first tap input applied on the touch sensor in state of a deactivated display and the touch sensor being periodically driven with a second period,

determine a region of the display that corresponds to the first tap input,

detect a second tap input applied on the touch sensor in state of the deactivated display within a predefined time period from the first tap input,

determine if the second tap input is applied within the region,

if the second tap input is applied within the region and within the predefined time period from the first tap input, activate the display and periodically drive the touch sensor with a first period shorter than the second period, and

if the second tap input is applied to a spot outside the region of the display that corresponds to the first tap input, maintain the deactivation of the display,

wherein the controller is further configured to;

display a home screen on the activated display, the home screen including at least one icon and an empty space,

detect a third tap input applied to the empty space of the home screen in which the touch sensor is periodically driven with the first period,

determine a region of the empty space of the home screen that corresponds to the third tap input,

detect a fourth tap input applied on the empty space of the home screen within a predefined time period from the third tap input,

determine if the fourth tap input is applied within the region of the empty space of the home screen, and

if the fourth tap input is applied on the region of the empty space of the home screen within the predefined time period from the third tap input, deactivate the display.

30. The mobile terminal of claim 29, wherein the determined region of the second tap input corresponds to a narrow region considered as a same spot as the determined region of the first tap input, and

wherein the determined region of the fourth tap corresponds to a narrow region considered as a same spot as the region of the third tap input.