Patent ID: 9244878
Filing Date: 2016-01-26
CPC Classification: G06F,H03M,H04M

Claim Text:
1. A portable electronic device, comprising: an operation module that includes a plurality of first keys and a plurality of second keys, wherein each of the plurality of first keys is differently assigned with an alphabetic character being a first type character but not assigned with a numeric character being a second type character, and each of the plurality of second keys is differently assigned with the first type character and the second type character; a display module configured to display contents, wherein the contents include: an initial screen being a wallpaper screen on standby for communication, a first type character display area for displaying one or more of the first type characters, and a second type character display area for displaying one or more of the second type characters; and a control module configured to control the display module, wherein, the control module is configured to: in response to an operation onto any one of the plurality of first keys in a first state while the display module displays the initial screen, display one or more of the first type character assigned to an operated first key, and in response to a single operation onto any one of the plurality of second keys in the first state, parallelly display both one or more of the first type characters within the first type character display area and one or more of the second type characters within the second type character display area assigned to an operated second key, and in response to an operation of any one of the plurality of first keys more than a predetermined number of times in a second state, where the display module parallelly displays both of one or more of the first type characters and one or more of the second type characters, displays only the first type character display area with one or more of the first type characters and cancel displaying the second type character area with the displayed second type characters, and in response to a single operation onto any one of the plurality of second keys in the second state where the display module parallelly displays both of one or more of the first type characters and one or more of the second type characters, display only the second type character display area with one or more of the second type characters and cancel displaying the first type character display area when the alphabetic characters cannot be converted into Japanese kana characters.