Rod antenna for use in a portable transmitting / receiving appar

Details Rod antenna for use in a portable transmitting / receiving appar Rod antenna for use in a portable transmitting / receiving appar

1997-12-05

1999-11-30

Wong, Don

Communications: radio wave antennas

Antennas

With radio cabinet

343900, H01Q 124

Patent

active

059950510

ABSTRACT:
The present invention provides a rod antenna for use in a portable transmitting/receiving apparatus. The rod antenna is housed in a case of the portable transmitting/receiving apparatus so as to be freely inserted thereinto and drawn therefrom and is electrically connected to a feeder section provided in the case. The rod antenna includes an antenna element having a column formed of insulating material and a conductive film formed on an outer surface of the column along a longitudinal direction of the column so as to have a predetermined length corresponding to transmitted/received waves.

REFERENCES:
patent: 5572224 (1996-11-01), Moller et al.
patent: 5678201 (1997-10-01), Thill
patent: 5835065 (1998-11-01), Wallace et al.

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