Portable information terminal, information equipment and information equipment control system based on portable information terminal

摘要

A portable information terminal (12) which comprises a recording unit (31) configured to record a markup language file for controlling controlled objects, a recognition unit (34) configured to recognize an addition to, a deletion from, or a change to the controlled objects, and a control unit (33) configured to change the description of the markup language file recorded in the recording unit (31) on the basis of the results of recognition by the recognition unit (34).