PORTABLE COMPUTER

摘要

PURPOSE: A portable computer is provided to efficiently perform a presentation by performing the beam projection and adjusting a beam projecting angle according to user's operation. CONSTITUTION: A beam projecting part(10) is installed into a main body. A beam projecting angle adjusting part(16) adjusts the beam projecting angle of the beam projecting part. A position change operating part(18) generates a beam projecting angle adjusting signal of the beam projecting part by the user's operation. A selecting part(22) selects use of the position change operating part. A microcomputer(20) controls the beam projecting angle adjusting part in order to adjust the beam projecting angle of the beam projector according to the beam projecting angle adjusting signal of the position change operating part.