METHOD OF CONTROLLING TOUCH PAD IN MOBILE COMMUNICATION TERMINAL AND MOBILE COMMUNICATION TERMINAL THEREOF

• US 20080192019A1
• Filed: 01/03/2008
• Published: 08/14/2008
• Est. Priority Date: 01/04/2007
• Status: Abandoned Application

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: LEE, Min Hak, Kim, Ju Nam
• Application Number:
  US11/969,140
• Publication Number:
  US 20080192019A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 1/3203 Power management, i.e. event-based initiation of a power-saving mode
• CPC Class Codes: G06F 1/3262 Power saving in digitizer or tablet
• CPC Class Codes: G06F 1/3287 by switching off individual functional units in the computer system
• 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: H04W 52/0254 detecting a user operation or a tactile contact or a motion of the device
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method of controlling a touch pad in a mobile communication terminal. The method includes first controlling a display device to enter into an ON state, a touch pad light to enter into an ON state and the touch pad to enter into an active state, second controlling the display device to enter into a dim state, the touch pad light to enter into an OFF state and the touch pad to maintain the active state, when there is no input on the touch pad within a predetermined first time period after the first controlling step, and performing a function of the terminal indicated by the input on the touch pad, when there is input on the touch pad within the predetermined first time period.

Claims

1. A method of controlling a touch pad in a mobile communication terminal, the method comprising:

first controlling a display device to enter into an ON state, a touch pad light to enter into an ON state and the touch pad to enter into an active state;

second controlling the display device to enter into a dim state, the touch pad light to enter into an OFF state and the touch pad to maintain the active state, when there is no input on the touch pad within a predetermined first time period after the first controlling step; and

performing a function of the terminal indicated by the input on the touch pad, when there is input on the touch pad within the predetermined first time period.

2. The method of claim 1, further comprising;

third controlling the display device to enter into an OFF state, the touch pad light to maintain the OFF state and the touch pad to enter into an inactive state, when there is no input on the touch pad within a predetermined second time period after the second controlling step.

3. The method of claim 2, further comprising:

performing the function of the terminal indicated by the input on the touch pad, when there is input on the touch pad within the predetermined second time period.

4. The method of claim 3, further comprising:

returning the display device to the ON state and the touch pad light to the ON state when there is input on the touch pad within the predetermined second time period.

5. The method of claim 2, further comprising:

determining if there is input on the touch pad after the third controlling step; and

not performing the function of the terminal indicated by the input on the touch pad, returning the display device to the ON state, returning the touch pad light to the ON state and returning the touch pad to the active state, when the determining step determines there is input on the touch pad after the third controlling step.

6. A method of controlling a touch pad in a mobile communication terminal, the method comprising:

first controlling a display device to enter into an ON state, a touch pad light to enter into an ON state and the touch pad to enter into an active state;

second controlling the display device to maintain the ON state, the touch pad light to enter into an OFF state and the touch pad to maintain the active state, when there is no input on the touch pad within a predetermined first time period after the first controlling step; and

performing a function of the terminal indicated by the input on the touch pad, when there is input on the touch pad within the predetermined first time period.

7. The method of claim 6, further comprising;

third controlling the display device to enter into a DIM state, the touch pad light to maintain the OFF state and the touch pad to maintain the active state, when there is no input on the touch pad with a predetermined second time period after the second controlling step.

8. The method of claim 7, further comprising:

performing the function of the terminal indicated by the input on the touch pad, when there is input on the touch pad within the predetermined second time period.

9. The method of claim 8, further comprising:

returning the touch pad light to the ON state when there is input on the touch pad within the predetermined second time period.

10. The method of claim 7, further comprising;

fourth controlling the display device to enter into an OFF state, the touch pad light to maintain the OFF state and the touch pad to turn the inactive state, when there is no input on the touch pad with a predetermined third time period after the third controlling step.

11. The method of claim 10, further comprising:

performing the function of the terminal indicated by the input on the touch pad, when there is input on the touch pad within the predetermined third time period.

12. The method of claim 11, further comprising:

determining if there is input on the touch pad after the fourth controlling step; and

not performing the function of the terminal indicated by the input on the touch pad, returning the display device to the ON state, the touch pad light to the ON state, and the touch pad to the active state, when the determining step determines there is input on the touch pad after the fourth controlling step.

13. A method of controlling a touch pad of a mobile communication terminal, the method comprising:

entering a broadcast mode to display a broadcast; and

first controlling a display device of the terminal to be in an ON state, a touch pad light for the touch pad to be in an ON state and the touch pad to be in an inactive state when the broadcast mode is entered.

14. The method of claim 13, further comprising:

second controlling the display device to maintain the ON state, the touch pad light to enter into an OFF state and the touch pad to maintain the inactive state, when there is no input on the touch pad within a predetermined first time period after the broadcast mode is entered.

15. The method of claim 14, further comprising:

determining if there is input on the touch pad after the second controlling step; and

third controlling the display device to maintain the ON state, the touch pad light to re-enter into the ON state and the touch pad to return to the active state, when the determining step determines there is input on the touch pad after the second controlling step.

16. The method of claim 15, further comprising:

determining if there is input on the touch pad within a predetermined second period of time after the third controlling step; and

performing a function of the terminal indicated by the input on the touch pad, when the determining step determines there is input on the touch pad within the predetermined second period of time.

17. A method of controlling a touch pad in a mobile communication terminal, the method comprising:

independently controlling an active state or an inactive state of the touch pad from controlling an ON/OFF state of a touch pad light for the touch pad of the mobile terminal.

18. A mobile communication terminal, comprising:

a display device configured to display information;

a touch pad device including at least one touch pad configured to input information into the terminal;

a touch pad back light driver configured to enter a touch pad light for the at least one touch pad to be in an ON and OFF state; and

a controller configured to first control operations of the display device to enter into an ON state, the touch pad light to enter into the ON state and the at least one touch pad to enter into an active state, to second control operations of the display device to enter into a dim state, the touch pad light to enter into an OFF state and the at least one touch pad to maintain the active state, when there is no input on the touch pad within a predetermined first time period after the first control operations, and to perform a function of the terminal indicated by the input on the at least one touch pad, when there is input on the at least one touch pad within the predetermined first time period.

19. The mobile communication terminal of claim 18, wherein the controller is further configured to third control operations of the display device to enter into an OFF state, the touch pad light to maintain the OFF state and the at least one touch pad to enter into an inactive state, when there is no input on the at least one touch pad within a predetermined second time period after the second control operations.

20. The mobile communication terminal of claim 19, wherein the controller is further configured to perform the function of the terminal indicated by the input on the at least one touch pad, when there is input on the touch pad within the predetermined second time period.

21. The mobile communication terminal of claim 20, wherein the controller is further configured to return the display device to the ON state and the touch pad light to the ON state when there is input on the at least one touch pad within the predetermined second time period.

22. The mobile communication terminal of claim 19, wherein the controller is further configured to determine if there is input on the at least one touch pad after the third control operations, and not perform the function of the terminal indicated by the input on the at least one touch pad, return the display device to the ON state, return the touch pad light to the ON state and return the at least one touch pad to the active state, when the controller determines there is input on the at least one touch pad after the third control operations.

23. A mobile communication terminal, comprising:

a display device configured to display information;

a touch pad device including at least one touch pad configured to input information into the terminal;

a touch pad back light driver configured to enter a touch pad light for the at least one touch pad to be in an ON and OFF state; and

a controller configured to first control operations of the display device to enter into an ON state, the touch pad light to enter into an ON state and the at least one touch pad to enter into an active state, to second control operations of the display device to maintain the ON state, the touch pad light to enter into an OFF state and the at least one touch pad to maintain the active state, when there is no input on the touch pad within a predetermined first time period after the first control operations, and to perform a function of the terminal indicated by the input on the at least one touch pad, when there is input on the at least one touch pad within the predetermined first time period.

24. The mobile communication terminal of claim 23, wherein the controller is further configured to third control operations of the display device to enter into a DIM state, the touch pad light to maintain the OFF state and the at least one touch pad to maintain the active state, when there is no input on the touch pad with a predetermined second time period after the second control operations.

25. The mobile communication terminal of claim 24, wherein the controller is further configured to perform the function of the terminal indicated by the input on the touch pad, when there is input on the at least one touch pad within the predetermined second time period.

26. The mobile communication terminal of claim 25, wherein the controller is further configured to return the touch pad light to the ON state when there is input on the at least one touch pad within the predetermined second time period.

27. The mobile communication terminal of claim 24, wherein the controller is further configured to fourth control operations of the display device to enter into an OFF state, the touch pad light to maintain the OFF state and the at least one touch pad to turn the inactive state, when there is no input on the touch pad with a predetermined third time period after the third control operations.

28. The mobile communication terminal of claim 27, wherein the controller is further configured to perform the function of the terminal indicated by the input on the touch pad, when there is input on the at least one touch pad within the predetermined third time period.

29. The mobile communication terminal of claim 28, wherein the controller is further configured to determine if there is input on the at least one touch pad after the fourth control operations, and not to perform the function of the terminal indicated by the input on the at least one touch pad, returning the display device to the ON state, and the touch pad light to the ON state, and the touch pad to the active state, when the controller determines there is input on the at least one touch pad after the fourth control operations.

30. A mobile communication terminal, comprising:

a display device configured to display a received broadcast;

a touch pad device including at least one touch pad configured to input information into the terminal;

a touch pad back light driver configured to enter a touch pad light for the at least one touch pad to be in an ON and OFF state; and

a controller configured to enter the mobile communication terminal into a broadcast mode to display the received broadcast, to first control operations of the display device to be in an ON state, the touch pad light to be in an ON state and the at least one touch pad to be in an inactive state when the broadcast mode is entered.

31. The mobile communication terminal of claim 30, wherein the controller is further configured to second control operations of the display device to maintain the ON state, the touch pad light to enter into an OFF state and the at least one touch pad to maintain the inactive state, when there is no input on the touch pad within a predetermined first time period after the broadcast mode is entered.

32. The mobile communication terminal of claim 31, wherein the controller is further configured to determine if there is input on the touch pad after the second control operations, and to third control operations of the display device to maintain the ON state, the touch pad light to re-enter into the ON state and the at least one touch pad to return to the active state, when the controller determines there is input on the at least one touch pad after the second control operations.

33. The mobile communication terminal of claim 32, wherein the controller is further configured to determine if there is input on the at least one touch pad within a predetermined second period of time after the third control operations, and to perform a function of the terminal indicated by the input on the touch pad, when the controller determines there is input on the at least one touch pad within the predetermined second period of time.

34. A mobile communication terminal, comprising:

a display device configured to display information;

a touch pad device including at least one touch pad configured to input information into the terminal;

a touch pad back light driver configured to enter a light for the at least one touch pad to be in an ON and OFF state; and

a controller configured to independently control an active state or an inactive state of the touch pad from controlling an ON/OFF state of the touch pad light.