Global patent index - EP 1086509 A1

EP 1086509 A1 2001-03-28 - ANTENNA ARRANGEMENT AND RADIO DEVICE

Title (en)

ANTENNA ARRANGEMENT AND RADIO DEVICE

Title (de)

ANTENNENANORDNUNG UND FUNKGERÄT

Title (fr)

ENSEMBLE ANTENNE ET APPAREIL RADIO

Publication

EP 1086509 A1 (DE)

Application

EP 99907284 A

Priority

  • DE 9900199 W
  • DE 19822371 A

Abstract (en)

[origin: DE19822371A1] A reference potential connection (15) is connected via an impedance (20) to the reference potential of a reference potential plane (30). The impedance is high resistance in a first operating frequency range, and low resistance in a second operating frequency range. The impedance may be in the form of a line (20) whose length is selected according to the frequency ranges. The length may be a quarter of the operating wavelength in the second operating frequency range.- DETAILED DESCRIPTION - A radio apparatus, especially a mobile radiotelephone or a cordless telephone is also claimed

IPC 1-7 (main, further and additional classification)

H01Q 9/04; H01Q 5/00

IPC 8 full level (invention and additional information)

H01Q 1/24 (2006.01); H01Q 5/00 (2006.01); H01Q 5/01 (2006.01); H01Q 9/04 (2006.01); H01Q 9/30 (2006.01); H04B 1/18 (2006.01)

CPC (invention and additional information)

H01Q 9/14 (2013.01); H01Q 5/328 (2013.01); H01Q 9/0421 (2013.01); H01Q 9/0442 (2013.01)

Citation (search report)

See references of WO 9960662A1

Designated contracting state (EPC)

DE GB IT SE

EPO simple patent family

DE 19822371 A1 19991125; DE 59914417 D1 20070830; EP 1086509 A1 20010328; EP 1086509 B1 20070718; JP 2002516505 A 20020604; JP 4112178 B2 20080702; US 6518922 B1 20030211; WO 9960662 A1 19991125

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