EP 1111717 A1 20010627 - DIRECTIONAL ANTENNA WITH ELECTROMAGNETIC INTERFERENCE SUPPRESSOR
Title (en)
DIRECTIONAL ANTENNA WITH ELECTROMAGNETIC INTERFERENCE SUPPRESSOR
Title (de)
RICHTANTENNE MIT ELEKTROMAGNETISCHER STOERUNTERDRUECKUNG
Title (fr)
ANTENNE DIRECTIONNELLE A SUPPRESSEUR D'INTERFERENCES ELECTROMAGNETIQUES
Publication
Application
Priority
- JP 9903493 W 19990629
- JP 1387798 A 19980127
Abstract (en)
An antenna has an electromagnetic interference suppressor (3) which comprises a composite magnetic member containing soft magnetic powder having an oxide film layer and which covers a part of the periphery of the antenna. It is preferable that the electromagnetic interference suppressor covers one side or a half of the periphery of the antenna. The antenna may comprise a first antenna portion (10) slidably held by a housing of a radio apparatus, and a second antenna portion (20) connected to one end of the first antenna portion. In this case, the electromagnetic interference suppressor is arranged in at least one of the first and the second antenna portions. The first antenna portion is slidably held by a holder portion (4) fixedly attached to the housing of the radio apparatus. A stopper portion (5) is fixedly attached to one end of the first antenna portion to serve as a feeding portion for the first antenna portion when the antenna is pulled out. The second antenna portion is connected to the other end of the first antenna portion through a sleeve portion (6). <IMAGE>
IPC 1-7
IPC 8 full level
H01Q 1/10 (2006.01); H01Q 1/24 (2006.01); H01Q 1/36 (2006.01); H01Q 9/30 (2006.01); H01Q 11/08 (2006.01); H01Q 17/00 (2006.01)
CPC (source: EP)
H01Q 1/10 (2013.01); H01Q 1/244 (2013.01); H01Q 1/245 (2013.01); H01Q 1/362 (2013.01); H01Q 9/30 (2013.01); H01Q 11/08 (2013.01); H01Q 17/001 (2013.01)
Citation (search report)
See references of WO 0101519A1
Designated contracting state (EPC)
DE FI FR GB IT SE
DOCDB simple family (publication)
EP 1111717 A1 20010627; AU 4291399 A 20010131; CA 2339844 A1 20010104; CN 1315065 A 20010926; JP H11214912 A 19990806; NO 20011014 D0 20010227; NO 20011014 L 20010410; TW 466799 B 20011201; WO 0101519 A1 20010104
DOCDB simple family (application)
EP 99973945 A 19990629; AU 4291399 A 19990629; CA 2339844 A 19990629; CN 99810190 A 19990629; JP 1387798 A 19980127; JP 9903493 W 19990629; NO 20011014 A 20010227; TW 88111670 A 19990709