FR2767420B1 - Dispositif a antenne demi-boucle haute frequence - Google Patents

Dispositif a antenne demi-boucle haute frequence

Info

Publication number
FR2767420B1
FR2767420B1 FR9710290A FR9710290A FR2767420B1 FR 2767420 B1 FR2767420 B1 FR 2767420B1 FR 9710290 A FR9710290 A FR 9710290A FR 9710290 A FR9710290 A FR 9710290A FR 2767420 B1 FR2767420 B1 FR 2767420B1
Authority
FR
France
Prior art keywords
high frequency
antenna device
loop antenna
frequency half
loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR9710290A
Other languages
English (en)
Other versions
FR2767420A1 (fr
Inventor
Jean Paul Delaperriere
Michel Francis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9710290A priority Critical patent/FR2767420B1/fr
Priority to EP98401926A priority patent/EP0897200A1/fr
Publication of FR2767420A1 publication Critical patent/FR2767420A1/fr
Application granted granted Critical
Publication of FR2767420B1 publication Critical patent/FR2767420B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/085—Flexible aerials; Whip aerials with a resilient base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)
FR9710290A 1997-08-12 1997-08-12 Dispositif a antenne demi-boucle haute frequence Expired - Lifetime FR2767420B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9710290A FR2767420B1 (fr) 1997-08-12 1997-08-12 Dispositif a antenne demi-boucle haute frequence
EP98401926A EP0897200A1 (fr) 1997-08-12 1998-07-28 Dispositif à antenne demi-boucle haute fréquence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9710290A FR2767420B1 (fr) 1997-08-12 1997-08-12 Dispositif a antenne demi-boucle haute frequence

Publications (2)

Publication Number Publication Date
FR2767420A1 FR2767420A1 (fr) 1999-02-19
FR2767420B1 true FR2767420B1 (fr) 1999-10-29

Family

ID=9510245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9710290A Expired - Lifetime FR2767420B1 (fr) 1997-08-12 1997-08-12 Dispositif a antenne demi-boucle haute frequence

Country Status (2)

Country Link
EP (1) EP0897200A1 (fr)
FR (1) FR2767420B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785094A1 (fr) * 1998-10-27 2000-04-28 Thomson Csf Systeme d'antenne hf
FR2828016B1 (fr) 2001-07-30 2005-03-25 Pygmalyon Antennes du genre boucle
NL1030808C2 (nl) * 2005-12-29 2007-07-02 Hendrik Christiaan Fidder Lusantenne-inrichting.
FR2998722B1 (fr) * 2012-11-23 2016-04-15 Thales Sa Systeme antennaire a boucles imbriquees et vehicule comprenant un tel systeme antennaire

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400551A (en) * 1944-04-24 1946-05-21 Donald L Hings Antenna
DE3246365A1 (de) * 1982-12-15 1984-06-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Notch-antenne fuer einen grossen frequenzenbereich
FR2553584B1 (fr) * 1983-10-13 1986-04-04 Applic Rech Electronique Antenne demi-boucle pour vehicule terrestre
FR2553586B1 (fr) * 1983-10-13 1986-04-11 Applic Rech Electronique Antenne demi-boucle a accord automatique dans une large bande
US4893131A (en) * 1988-06-15 1990-01-09 Smith William J Mobile or ground mounted arcuate antenna
US5252985A (en) * 1990-11-14 1993-10-12 Christinsin Alan S Whip tilt adapter
FR2722339B1 (fr) * 1994-07-06 1996-10-04 Tech D Applic & De Rech Electr Antenne demi-boucle a accord automatique rapide

Also Published As

Publication number Publication date
EP0897200A1 (fr) 1999-02-17
FR2767420A1 (fr) 1999-02-19

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