PORTABLE INFORMATION PROCESSOR

摘要

PROBLEM TO BE SOLVED: To improve the operability of a portable information processor. SOLUTION: The portable information processor has a personal digital assistance provided with a display surface on the side of a surface, an antenna unit for receiving a signal transmitted from a GPS satellite, and an attaching and detaching mechanism being capable of attaching and detaching the antenna unit without changing a projection area from the side of the display surface with respect to the personal digital assistance.