Patent ID: 9201509
Filing Date: 2015-12-01
Classification: G06F

Abstract:
1. A character input interface based on an arrow key, wherein when the character input interface is triggered through an up arrow key, a letter set corresponding to the up arrow key is arranged and displayed in a direction from bottom to top, and a letter selection cursor is displayed at a default position; when the character input interface is triggered through a down arrow key, a letter set corresponding to the down arrow key is arranged and displayed in a direction from top to bottom, and a letter selection cursor is displayed at a default position; when the character input interface is triggered through a left arrow key, a letter set corresponding to the left arrow key is arranged and displayed in a direction from left to right, and a letter selection cursor is displayed at a default position; and when the character input interface is triggered through a right arrow key, a letter set corresponding to the right arrow key is arranged and displayed in a direction from right to left, and a letter selection cursor is displayed at a default position.