EP 1154513 A1 20011114 - BUILT-IN ANTENNA OF WIRELESS COMMUNICATION TERMINAL
Title (en)
BUILT-IN ANTENNA OF WIRELESS COMMUNICATION TERMINAL
Title (de)
EINGEBAUTE ANTENNE FÜR DRAHTLOSES KOMMUNIKATIONSGERÄT
Title (fr)
ANTENNE CONSTITUEE D'UN TERMINAL DE COMMUNICATION RADIO
Publication
Application
Priority
- JP 0004044 W 20000621
- JP 36828499 A 19991224
- JP 2000056476 A 20000301
- JP 2000118692 A 20000419
Abstract (en)
Dipole antenna 12 is constructed of rectangular-wave-shaped antenna elements and the rectangular-wave-shaped antenna elements are mounted in such a way that the longitudinal direction is quasi-perpendicular to the upper surface (horizontal plane) of the radio communication terminal. A signal received by dipole antenna 12 is sent to a transmission/reception circuit via balanced/unbalanced conversion circuit 13. Here, balanced/unbalanced conversion circuit 13 minimizes the current that flows into base plate 11, thus preventing the antenna operation by base plate 11. <IMAGE>
IPC 1-7
IPC 8 full level
H01Q 1/24 (2006.01); H01Q 1/36 (2006.01); H01Q 1/38 (2006.01); H01Q 9/04 (2006.01); H01Q 9/28 (2006.01); H01Q 9/42 (2006.01); H01Q 21/28 (2006.01)
CPC (source: EP)
H01Q 1/243 (2013.01); H01Q 1/244 (2013.01); H01Q 1/36 (2013.01); H01Q 1/38 (2013.01); H01Q 9/0407 (2013.01); H01Q 9/0421 (2013.01); H01Q 9/28 (2013.01); H01Q 9/42 (2013.01); H01Q 21/28 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1154513 A1 20011114; EP 1154513 A4 20020724; AU 5428200 A 20010709; CN 1345473 A 20020417; WO 0148860 A1 20010705
DOCDB simple family (application)
EP 00939108 A 20000621; AU 5428200 A 20000621; CN 00805491 A 20000621; JP 0004044 W 20000621