Patent ID: 6064863
Filing Date: 2000-05-16
Classification: H01Q

Abstract:
A construction of extendable external and fixed internal antennas for a radio portable remote terminal device comprising:a first antenna means comprising an external antenna element supported by an enclosure of the radio portable remote terminal device to be extendable from said enclosure when said radio portable terminal device is in use, and to be retractable and contained in said enclosure when said radio portable remote terminal device is not in use;a second antenna means which comprises a ground means and an antenna element contained in said enclosure;a printed circuit board on which a radio section circuit is mounted; andswitching means for switching an input of said radio section circuit between a connection to said first antenna means and a connection to said second antenna means,wherein said printed circuit board is positioned between said first antenna means and said second antenna means when said external antenna element of said first antenna means is retracted and contained in said enclosure, and further wherein when the second antenna means is disconnected from the input to the radio circuit, the ground means of the second antenna means serves as a ground means for the first antenna means.