ANTENNA SYSTEM AND PORTABLE TELEPHONE SET

摘要

PROBLEM TO BE SOLVED: To reduce the loss in a transmission line by shortening the line in a connector for an external antenna and an internal antenna. SOLUTION: The connector 6 for the external antenna and the internal antenna are united or disposed as closely as possible and switched by an electric switch 9 of mechanical switch 3 to perform transmission and reception between an RF circuit and the internal antennas 1 and 4.