Antenna device with switching between internal and external antenna elements for use in portable radio communication device by extending antenna to control its connection

摘要

An antenna device (100) comprises a whip radiating element (102) slidably mounted in a whip sleeve (104) with protrusions acting as retaining elements, while a conductive metal portion (106) acts as a stopper to prevent withdrawal of the radiating element. A magnet ferrule (108) and a cam ring (110) are limited in their movement by the upper end wall of the whip sleeve and by the metal washer (114) AN Independent claim is included for a portable radio communication device.