Patent ID: 8959452
Filing Date: 2015-02-17
Classification: G06F

Abstract:
1. A method performed by at least one device for receiving information from a user, the method comprising: simultaneously displaying at least first and second portions of a window on a display device in response to a selection of the window by the user, wherein the second portion is nested within the first portion; in response to a user selecting the first portion of the window on the display device, displaying a first set of keys on the display device, wherein the first set of keys are operable by the user to specify a first type of information within the first portion of the window, and wherein the first type of information includes alphanumeric text information; in response to the user selecting the second portion of the window on the display device, displaying a second set of keys on the display device instead of the first set of keys, wherein the second set of keys are operable by the user to specify a second type of information within the second portion of the window, wherein the second type of information includes at least some information that is unsupported by operation of the first set of keys, wherein the second type of information includes at least one of graphics information and equation information, and wherein among the first and second sets of keys a subset of keys share a distinguishing characteristic for visually informing the user that the subset of keys are selectable by the user in a particular manner for causing the display device to display more keys; and in response to the user selecting a key in the subset of keys in the particular manner, displaying additional keys on the display device, wherein the additional keys are operable by the user to cause performance by the system of respective operations that are logically grouped and related to a respective operation of the selected key.