FR2677513B1 - Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf. - Google Patents

Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf.

Info

Publication number
FR2677513B1
FR2677513B1 FR9106860A FR9106860A FR2677513B1 FR 2677513 B1 FR2677513 B1 FR 2677513B1 FR 9106860 A FR9106860 A FR 9106860A FR 9106860 A FR9106860 A FR 9106860A FR 2677513 B1 FR2677513 B1 FR 2677513B1
Authority
FR
France
Prior art keywords
vhf
switching device
frequency ranges
electronic switching
uhf frequency
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 - Fee Related
Application number
FR9106860A
Other languages
English (en)
Other versions
FR2677513A1 (fr
Inventor
Herve Jaquet
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.)
Dassault Aviation SA
Original Assignee
Dassault Aviation 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 Dassault Aviation SA filed Critical Dassault Aviation SA
Priority to FR9106860A priority Critical patent/FR2677513B1/fr
Priority to GB9211832A priority patent/GB2257569B/en
Priority to US07/894,651 priority patent/US5296867A/en
Publication of FR2677513A1 publication Critical patent/FR2677513A1/fr
Application granted granted Critical
Publication of FR2677513B1 publication Critical patent/FR2677513B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading
    • 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
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable
    • H01Q9/145—Length of element or elements adjustable by varying the electrical length
FR9106860A 1991-06-06 1991-06-06 Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf. Expired - Fee Related FR2677513B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9106860A FR2677513B1 (fr) 1991-06-06 1991-06-06 Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf.
GB9211832A GB2257569B (en) 1991-06-06 1992-06-04 Antenna switchable in the VHF and UHF frequency ranges
US07/894,651 US5296867A (en) 1991-06-06 1992-06-05 Electronic switching device for an antenna switchable in the VHF and UHF frequency ranges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9106860A FR2677513B1 (fr) 1991-06-06 1991-06-06 Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf.

Publications (2)

Publication Number Publication Date
FR2677513A1 FR2677513A1 (fr) 1992-12-11
FR2677513B1 true FR2677513B1 (fr) 1997-05-23

Family

ID=9413538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9106860A Expired - Fee Related FR2677513B1 (fr) 1991-06-06 1991-06-06 Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf.

Country Status (3)

Country Link
US (1) US5296867A (fr)
FR (1) FR2677513B1 (fr)
GB (1) GB2257569B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5521607A (en) * 1993-08-10 1996-05-28 Rockwell International Bandswitched electrically short tactical monopole antenna system
JP3098430B2 (ja) * 1996-08-30 2000-10-16 埼玉日本電気株式会社 携帯無線機用ヘリカルアンテナ
US5754143A (en) * 1996-10-29 1998-05-19 Southwest Research Institute Switch-tuned meandered-slot antenna
JP3597344B2 (ja) * 1997-07-30 2004-12-08 アルプス電気株式会社 テレビジョン信号受信チュ−ナおよびパ−ソナルコンピュ−タ用テレビジョン信号受信ユニット
US20020113740A1 (en) * 1999-06-01 2002-08-22 Nadar Fayyaz Flat-plate monopole antennae
JP4096294B2 (ja) * 2002-05-14 2008-06-04 日本電気株式会社 携帯電話装置
TW583399B (en) * 2002-12-31 2004-04-11 Ind Tech Res Inst An optical sensor for electromagnetic field
EP1654659A4 (fr) * 2003-08-05 2007-05-09 Sepaton Inc Systeme de stockage d'emulation
US10003131B2 (en) 2013-11-19 2018-06-19 At&T Intellectual Property I, L.P. System and method of optical antenna tuning
JP5876863B2 (ja) * 2013-12-11 2016-03-02 原田工業株式会社 複合アンテナ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852759A (en) * 1960-04-01 1974-12-03 Itt Broadband tunable antenna
GB2100932B (en) * 1981-06-18 1986-06-11 Charles Edward Cooper Antenna.
US4502025A (en) * 1982-04-23 1985-02-26 Harris Corporation High speed PIN diode switched antenna coupler and method
FR2552587B1 (fr) * 1983-09-28 1986-04-18 Dassault Avions Antenne commutable pour les gammes de frequences vhf et uhf
GB2154372A (en) * 1984-02-17 1985-09-04 Philips Electronic Associated R f circuit switching
US4939525A (en) * 1988-03-31 1990-07-03 Cincinnati Electronics Corporation Tunable short monopole top-loaded antenna

Also Published As

Publication number Publication date
GB9211832D0 (en) 1992-07-15
FR2677513A1 (fr) 1992-12-11
GB2257569A (en) 1993-01-13
GB2257569B (en) 1995-12-13
US5296867A (en) 1994-03-22

Similar Documents

Publication Publication Date Title
FR2552587B1 (fr) Antenne commutable pour les gammes de frequences vhf et uhf
FR2710457B1 (fr) Agencement d'antenne pour un dispositif de communication sans fil.
DE69628392D1 (de) Antenne mit zwei Resonanzfrequenzen
GB2246910B (en) A radio frequency antenna
EP0615136A3 (fr) Procédé de syntonisation pour transpondeur électronique.
DE69216987D1 (de) Einschalten des Senders in einem Funktelefon mit zwei Betriebsarten
FR2646563B1 (fr) Dispositif d'antennes de reseau de type a balayage electronique
BR9401376A (pt) Circuitos de detecção acoplados a sinal de radiofrequência, transmissor de sinal RF de radiofrequência, circuitos de detecção e raiotransceptor
FR2672689B1 (fr) Dispositif a antenne de radar.
FR2638573B1 (fr) Antenne a balayage electronique
FR2677513B1 (fr) Dispositif de commutation electronique pour antenne commutable dans les gammes de frequences vhf et uhf.
FR2651950B1 (fr) Antenne hydrophonique lineaire et dispositif electronique de levee d'ambiguite droite-gauche associe a cette antenne.
NO175128C (no) Frekvenslåsekrets (AFC) for mottaker
DE69324744T2 (de) Antenne in gedruckter Schaltungstechnik
DE69429065D1 (de) Hochfrequenz-Sperrschaltung
FR2671234B1 (fr) Antenne hyperfrequence de type pave.
DE69025172D1 (de) Rundfunkempfänger mit zwei Empfangssystemen
EP0414567A3 (en) Frequency modulated continuous wave radar receiver
FR2646564B1 (fr) Systeme d'antenne plate a fentes pour onde en mode te
ITMI921075A0 (it) Circuito per generare segnali a radiofrequenza per antenne a scansione elettronica ed in particolare per sistemi tacan, a sfasatore adatto per lo stesso
SG66234A1 (en) Uhf rf signal input circuit
HUT62739A (en) Frequency tuning device
FR2664749B1 (fr) Antenne microonde.
NO175999C (no) Radiofrekvens-begrenserkrets
FR2660780B1 (fr) Circuit de reception d'un signal radioelectrique module pour un dispositif electronique autonome.

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110228