Patent ID: 7114077
Filing Date: 2006-09-26
Classification: G06F,G06K

Abstract:
1. In an electronic device having a processor, a visual display, apparatus for entering data into said device, and an electronic memory including a buffer, a method for reliably determining whether confidential data entered into said electronic device for processing has been recognized by said device as representing a character the user intended to enter, said method comprising the steps of: (a) awaiting and receiving a data entry entered through said data entry apparatus, translating said data entry into digital signals and combining said digital signals to create a character; (b) determining whether said character is a non-displayable character that represents a system command; and (c) if said character is a displayable character, (d) if said character is a non-displayable character, determining whether said non-displayable character represents a system command to process displayable characters saved in said buffer, and if said non-displayable character represents a system command to process displayable characters saved in said buffer, retrieving said saved characters from said buffer and sending said saved characters to said processor for processing in accordance with processing instructions.