Character input apparatus and character input method
First Claim
Patent Images
1. A character input method to receive character inputs through a touch on a touch display screen of an interface, the method comprising:
- detecting a touch at a first location on the touch display screen;
determining a first character from an ordered character set based on the first location and displaying the first character;
detecting a dragging of the touch from the first location to a second location corresponding to a predetermined distance from the first location;
determining a second character from the ordered character set based on the dragged distance between the first location and the second location and displaying the second character; and
when the touch is terminated, inputting a finally displayed character,wherein the second character is subsequent in order to the first character in the ordered character set, andwherein the second location is irrespective of a direction of the dragging.
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Abstract
A character input apparatus to input a character using a touch and drag method, the character input apparatus including: an interface to display a character on a touched location, if a touch is detected on the interface; a control unit to control the interface to change the displayed character and a location of the displayed character according to a dragging trace, if the touched location is dragged; and an input unit to input the displayed character displayed when the touch is completed. Accordingly, characters may be conveniently input on a narrow screen.
36 Citations
22 Claims
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1. A character input method to receive character inputs through a touch on a touch display screen of an interface, the method comprising:
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detecting a touch at a first location on the touch display screen; determining a first character from an ordered character set based on the first location and displaying the first character; detecting a dragging of the touch from the first location to a second location corresponding to a predetermined distance from the first location; determining a second character from the ordered character set based on the dragged distance between the first location and the second location and displaying the second character; and when the touch is terminated, inputting a finally displayed character, wherein the second character is subsequent in order to the first character in the ordered character set, and wherein the second location is irrespective of a direction of the dragging. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A character input apparatus to receive character inputs through a touch on a touch display screen of an interface, the apparatus comprising:
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the touch display screen of the interface configured to display characters at touched locations in response to detecting a touch; and a control unit configured to; detect the touch at a first location on the touch display screen, determine a first character from an ordered character set based on the first location, display the first character, detect a dragging of the touch from the first location to a second location corresponding to a predetermined distance from the first location, determine a second character from the ordered character set based on the dragged distance between the first location and the second location, and display the second character; and an input unit configured to input the finally displayed character when the touch is terminated, wherein the second character is subsequent in order to the first character in the ordered character set, and wherein the second location is irrespective of a direction of the dragging. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification