Active keypad lock for devices equipped with touch screen
First Claim
Patent Images
1. A device comprising at least a touch screen;
- a keypad for providing input functions, the keypad being provided with a key lock operation comprising an active state and a inactive state, the active state being adapted to disable at least part of the input functions of the keypad, and the inactive state being adapted to enable the input functions of the keypad;
a detector for detecting when a stylus is in proximity with the touch screen; and
a key lock activator for setting the key lock into said active state when the detector provides indication of the proximity of the stylus.
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Abstract
A device comprising at least a touch screen and a keypad for providing input functions. The keypad is provided with a key lock operation comprising an active state and a inactive state. The active state is adapted to disable at least part of the input functions of the keypad, and the inactive state is adapted to enable the input functions of the keypad. The device also comprises a detector for detecting when a stylus is in proximity with the touch screen; and a key lock activator for setting the key lock into said active state when the detector provides indication of the proximity of the stylus.
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Citations
37 Claims
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1. A device comprising at least
a touch screen; -
a keypad for providing input functions, the keypad being provided with a key lock operation comprising an active state and a inactive state, the active state being adapted to disable at least part of the input functions of the keypad, and the inactive state being adapted to enable the input functions of the keypad;
a detector for detecting when a stylus is in proximity with the touch screen; and
a key lock activator for setting the key lock into said active state when the detector provides indication of the proximity of the stylus. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. The device according to 1 wherein the proximity of the stylus is detected in a predefined area of the touch screen.
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9. The device according to 8 wherein an application running in the device determines the area which activates the key lock, in the touch screen.
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10. The device according to 8 wherein the user defines the area, which activates the key lock, in the touch screen.
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11. The device according to 8 wherein the operating system of the device defines the area, which activates the key lock, in the touch screen.
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12. A system comprising at least
a touch screen; -
a keypad for providing input functions, the keypad being provided with a key lock operation comprising an active state and a inactive state, the active state being adapted to disable at least part of the input functions of the keypad, and the inactive state being adapted to enable the input functions of the keypad;
a detector for detecting when a stylus is in proximity with the touch screen; and
a key lock activator for setting the key lock into said active state when the detector provides indication of the proximity of the stylus. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. The system according to 12 wherein the proximity of the stylus is detected in a predefined area of the touch screen.
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20. The system according to 19 wherein an application running in the system determines the area which activates the key lock, in the touch screen.
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21. The system according to 19 wherein the user defines the area, which activates the key lock, in the touch screen.
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22. The system according to 19 wherein the operating system of the system defines the area, which activates the key lock, in the touch screen.
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23. A method comprising at least
activating a key lock of a keypad, the keypad being provided with a key lock operation comprising an active state and a inactive state, in which active state at least part of input functions of the keypad being disabled, and in which inactive state the input functions of the keypad being enabled; -
detecting when a stylus is in proximity with the touch screen; and
setting the key lock into said active state when the proximity of the stylus is detected. - View Dependent Claims (24, 25, 26, 27, 28)
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29. The method according to 23 comprising detecting the proximity of the stylus in a predefined area of the touch screen.
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30. The method according to 29 comprising running an application which determines the area which activates the key lock, in the touch screen.
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31. The method according to 29 comprising defining by a user the area, which activates the key lock, in the touch screen.
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32. The method according to 29 comprising running an operating system which defines the area, which activates the key lock, in the touch screen.
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33. A computer program product comprising machine executable steps for
activating a key lock of a keypad, the keypad being provided with a key lock operation comprising an active state and a inactive state, in which active state at least part of input functions of the keypad being disabled, and in which inactive state the input functions of the keypad being enabled; -
detecting when a stylus is in proximity with the touch screen; and
setting the key lock into said active state when the proximity of the stylus is detected.
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34. The computer program product according to 33 comprising machine executable steps for defining an area of the touch screen in which the proximity of the stylus can be detected.
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35. The computer program product according to 34 wherein an application running in the device is adapted to determine the area, in which the key lock can be activated in the touch screen.
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36. The computer program product according to 34 comprising machine executable steps for enabling a user to define an area of the touch screen in which the key lock can be activated in the touch screen.
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37. The computer program product according to 34 wherein the operating system is adapted to define the area, which can be used to activate the key lock, in the touch screen.
Specification