Global patent index - EP 0973229 A1

EP 0973229 A1 2000-01-19 - Third resonance antenna

Title (en)

Third resonance antenna

Title (de)

Antenne für dritte Resonanz

Title (fr)

Antenne à résonance du troisième ordre

Publication

EP 0973229 A1 (EN)

Application

EP 98111290 A

Priority

EP 98111290 A

Abstract (en)

The present invention relates to an antenna with a first antenna element (3) comprising a first and a second oblong portion (5, 6) arranged parallel and with a distance (W2) to each other. A transverse portion (7) connects said first and said second oblong portion (5, 6) at a distance (L2) from a feeding side end (9) of said first and second oblong portion (5, 6). A feeding portion 8 extends parallel to and between said first and said second oblong portion (5, 6) for connecting said transverse portion (7) with a transmission line. A reflector means (15, 24, 31, 36, 40, 43) is spaced to and parallel with a common plane of said first and said second oblong portion (5, 6). The proposed antenna is adapted for radiating at the third resonance and provides good matching capabilities in view of the antenna input impedance. <IMAGE>

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

H01Q 9/06; H01Q 9/28

IPC 8 full level (invention and additional information)

H01Q 1/38 (2006.01); H01Q 9/06 (2006.01); H01Q 9/28 (2006.01); H01Q 21/08 (2006.01); H01Q 21/12 (2006.01); H01Q 21/20 (2006.01)

CPC (invention and additional information)

H01Q 21/12 (2013.01); H01Q 1/38 (2013.01); H01Q 9/06 (2013.01); H01Q 9/28 (2013.01); H01Q 21/08 (2013.01); H01Q 21/205 (2013.01)

Citation (search report)

  • [Y] US 4074270 A
  • [Y] US 3369245 A
  • [A] US 3747114 A
  • [A] DE 2014939 A1
  • [A] EP 0700115 A1
  • [A] NESIC A ET AL: "BROADBAND TWO-DIMENSIONAL PRINTED ANTENNA ARRAY" PROCEEDINGS OF THE EUROPEAN MICROWAVE CONFERENCE, BUDAPEST, SEPT. 10 - 13, 1990, vol. 1, no. CONF. 20, 10 September 1990, pages 252-256, XP000326962 MICROWAVE EXHIBITIONS AND PUBLISHERS
  • [A] TAKEHIKO TSUKIJI ET AL: "MODIFIED TRANSMISSION LINE TYPE ANTENNAS FOR MOBILE COMMUNICATION" IEICE TRANSACTIONS ON COMMUNICATIONS, vol. E75 - B, no. 8, 1 August 1992, pages 775-780, XP000316097

Citation (examination)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 0973229 A1 20000119; EP 0973229 B1 20050518; DE 69830236 D1 20050623; DE 69830236 T2 20060126

INPADOC legal status

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