PORTABLE TELEPHONE SYSTEM WITH PROJECTOR

摘要

PROBLEM TO BE SOLVED: To simultaneously display much information while speaking, to improve portability without occupying a wide space and to speedily confirm information such as to display information simultaneously with speaking even while walking. SOLUTION: A portable telephone set 101 is provided with a projector part 103, a liquid crystal image for projecting a text and an image corresponding to the transmission/reception information of the portable telephone set 101 is formed in the projector part 103 and this formed liquid crystal image is irradiated with light and projected on any arbitrary object to be projected.