Patent ID: 9720517
Date: 2017-08-01
CPC Classifications: G06F,H04N

Claim:
1. A character input apparatus comprising: an instruction unit configured to instruct input of a character as a part of a character string; and a control unit configured to, under a restriction that any character of a specific character group is not allowed to be input in every one of a plurality of predetermined positions of the character string but a character of the specific character group is allowed to be input in less than all of the predetermined positions of the character string, prohibit input by the instruction upon any character of the specific character group being instructed by the instruction unit to be input in at least one specific position of the plurality of predetermined positions and, enable input by the instruction upon any character of the specific character group being instructed by the instruction unit to be input in a position different from the specific position, wherein the specific character group does not include letters and digits of a plurality of characters usable as a part of the character string; the plurality of predetermined positions includes at least first and last character positions of the character string; and the character string is associated with a nickname in wireless network communicating with outside and the character string to be input in compliance with a specification of Request For Comments.