FR2375732A1 - Antenne reglable - Google Patents

Antenne reglable

Info

Publication number
FR2375732A1
FR2375732A1 FR7711634A FR7711634A FR2375732A1 FR 2375732 A1 FR2375732 A1 FR 2375732A1 FR 7711634 A FR7711634 A FR 7711634A FR 7711634 A FR7711634 A FR 7711634A FR 2375732 A1 FR2375732 A1 FR 2375732A1
Authority
FR
France
Prior art keywords
antenna
tube
surrounded
adjustable antenna
length
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.)
Withdrawn
Application number
FR7711634A
Other languages
English (en)
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.)
NEW TRONICS CORP
Original Assignee
NEW TRONICS CORP
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 NEW TRONICS CORP filed Critical NEW TRONICS CORP
Publication of FR2375732A1 publication Critical patent/FR2375732A1/fr
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1235—Collapsible supports; Means for erecting a rigid 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
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Abstract

Antenne pouvant être utilisée à l'intérieur d'un local. Cette antenne est caractérisée par deux tubes en métal 10 et 12 dont les extrémités voisines sont espacées et sont connectées par une bobine de charge C, l'extrémité inférieure du tube 12 étant engagée dans un autre tube 13 pour permettre le réglage de la longueur, le tube 13 étant entouré par un transformateur de couplage D contenant un noyau en ferrite 40 dont l'extrémité inférieure est entourée par un câble coaxial 50 enroulé, et des tubes télescopiques 60 et 62 permettant d'augmenter la longueur matérielle de l'antenne et donc de la fixer entre le plafond et le sol. Une antenne selon l'invention convient à des émetteurs et des récepteurs.
FR7711634A 1976-12-22 1977-04-18 Antenne reglable Withdrawn FR2375732A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/753,318 US4117493A (en) 1976-12-22 1976-12-22 Radio antenna

Publications (1)

Publication Number Publication Date
FR2375732A1 true FR2375732A1 (fr) 1978-07-21

Family

ID=25030127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711634A Withdrawn FR2375732A1 (fr) 1976-12-22 1977-04-18 Antenne reglable

Country Status (10)

Country Link
US (2) US4117493A (fr)
JP (1) JPS5391646A (fr)
AR (1) AR214223A1 (fr)
BE (1) BE865672A (fr)
BR (1) BR7708554A (fr)
CA (1) CA1071756A (fr)
DE (1) DE2818748A1 (fr)
FR (1) FR2375732A1 (fr)
GB (3) GB1540816A (fr)
NL (1) NL7703189A (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734352A (en) * 1992-08-07 1998-03-31 R. A. Miller Industries, Inc. Multiband antenna system
US6297711B1 (en) 1992-08-07 2001-10-02 R. A. Miller Industries, Inc. Radio frequency multiplexer for coupling antennas to AM/FM/WB, CB/WB, and cellular telephone apparatus
US6396365B1 (en) 1963-07-16 2002-05-28 R.A. Miller Industries, Inc. Multiplexer for cellular telephone
US4280129A (en) * 1978-09-09 1981-07-21 Wells Donald H Variable mutual transductance tuned antenna
US4229743A (en) * 1978-09-22 1980-10-21 Shakespeare Company Multiple band, multiple resonant frequency antenna
US4321603A (en) * 1980-01-09 1982-03-23 Wilson George P Attachment for antennas to improve reception and transmission
JPS59143112U (ja) * 1983-03-15 1984-09-25 日本アンテナ株式会社 通信用ホイツプアンテナ
US4584587A (en) * 1983-09-02 1986-04-22 Ireland Frank E Tuneable antenna with inductive coupling at input
US4730195A (en) * 1985-07-01 1988-03-08 Motorola, Inc. Shortened wideband decoupled sleeve dipole antenna
US4675687A (en) * 1986-01-22 1987-06-23 General Motors Corporation AM-FM cellular telephone multiband antenna for motor vehicle
US4721965A (en) * 1986-01-22 1988-01-26 General Motors Corporation AM-FM-cellular telephone multiband antenna for motor vehicle
WO1989004741A1 (fr) * 1987-11-24 1989-06-01 Aerospatiale Societe Nationale Industrielle Machine pour le reglage automatique d'un outil
FR2651379A1 (fr) * 1989-08-31 1991-03-01 Pizon Ernest Antenne receptrice pour vehicule automobile.
US5300940A (en) * 1991-07-12 1994-04-05 Centurion International, Inc. Broadband antenna
US6384696B1 (en) 1992-08-07 2002-05-07 R.A. Miller Industries, Inc. Multiplexer for sorting multiple signals from an antenna
US5563615A (en) * 1993-01-15 1996-10-08 Motorola, Inc. Broadband end fed dipole antenna with a double resonant transformer
US5668564A (en) * 1996-02-20 1997-09-16 R.A. Miller Industries, Inc. Combined AM/FM/cellular telephone antenna system
US5883600A (en) * 1996-11-12 1999-03-16 Kukura; Frank J. Tuneable antenna
KR100267846B1 (ko) 1997-03-31 2000-10-16 윤종용 이동통신시스템의정재파비측정방법
US5977931A (en) 1997-07-15 1999-11-02 Antenex, Inc. Low visibility radio antenna with dual polarization
US6295443B1 (en) 1998-11-30 2001-09-25 Scott C Matthew Automatic tuning AM transmitter
US6496154B2 (en) * 2000-01-10 2002-12-17 Charles M. Gyenes Frequency adjustable mobile antenna and method of making
EP1636874B1 (fr) * 2003-06-25 2011-03-16 The Board of Governors for Higher Education State of Rhode Island and Providence Plantations Systeme et procede relatifs a une antenne monopolaire a charge repartie
US7209096B2 (en) * 2004-01-22 2007-04-24 Antenex, Inc. Low visibility dual band antenna with dual polarization
US7642983B2 (en) * 2006-01-31 2010-01-05 Powerq Technologies, Inc. High efficiency ferrite antenna system
US8487479B2 (en) * 2008-02-24 2013-07-16 Qualcomm Incorporated Ferrite antennas for wireless power transfer
DE102008041465A1 (de) * 2008-08-22 2010-03-18 Schleifring Und Apparatebau Gmbh Balun für Kernspintomographen
US8164534B1 (en) * 2009-03-17 2012-04-24 The United States Of America As Represented By The Secretary Of The Navy Conversion of an antenna to multiband using current probes
US8674890B2 (en) * 2010-04-30 2014-03-18 Motorola Solutions, Inc. Wideband and multiband external antenna for portable transmitters
RU2488927C1 (ru) * 2012-03-16 2013-07-27 Научно-Производственное Общество С Ограниченной Ответственностью "Кв-Связь" Перестраиваемая резонансная антенна с согласующим устройством
US9390850B2 (en) * 2012-07-13 2016-07-12 Semiconductor Energy Laboratory Co., Ltd. Power transmitting device, power feeding system, and power feeding method
US11469505B2 (en) * 2015-07-28 2022-10-11 Heathkit Company, Inc. Radio-related telecommunications systems and methods
US20200009393A1 (en) * 2018-07-03 2020-01-09 Advanced Bionics Ag Antenna Wire Termination Assemblies for Use in Implantable Medical Devices
RU186461U1 (ru) * 2018-07-16 2019-01-21 Дмитрий Витальевич Федосов Резонансная перестраиваемая антенна
RU2728736C1 (ru) * 2019-06-17 2020-07-30 Акционерное общество Научно-производственное предприятие "Авиационная и Морская Электроника" Емкостная приемопередающая антенна средневолнового диапазона

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315264A (en) * 1965-07-08 1967-04-18 Brueckmann Helmut Monopole antenna including electrical switching means for varying the length of the outer coaxial conductor with respect to the center conductor
US3327310A (en) * 1964-02-28 1967-06-20 Arthur R Bethune Pole television mounting wherein the upper and lower pole sections form a dipole antenna
US3798654A (en) * 1972-08-16 1974-03-19 Avanti R & D Inc Tunable sleeve antenna

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1959543A (en) * 1931-11-10 1934-05-22 Telefunken Gmbh Tuning coil
CH219820A (de) * 1940-01-31 1942-02-28 Telefunken Gmbh Hochfrequenzleiter mit eingeschalteter Längsimpedanz.
GB579778A (en) * 1943-11-05 1946-08-15 Standard Telephones Cables Ltd Improvements relating to radio antennae
BE507544A (fr) * 1951-12-04
US2771386A (en) * 1952-06-14 1956-11-20 Monsanto Chemicals Method of forming an electrical winding
US3400403A (en) * 1965-06-09 1968-09-03 Spilsbury Ashton James Centre-loaded antenna unit
US3576578A (en) * 1967-11-30 1971-04-27 Sylvania Electric Prod Dipole antenna in which one radiating element is formed by outer conductors of two distinct transmission lines having different characteristic impedances
US3495209A (en) * 1968-11-13 1970-02-10 Marguerite Curtice Underwater communications system
JPS4818935B1 (fr) * 1969-12-09 1973-06-09
CH524878A (de) * 1970-12-07 1972-06-30 Bbc Brown Boveri & Cie Verfahren zur Herstellung einer Spule und Vorrichtung zur Durchführung des Verfahrens
US3689928A (en) * 1970-12-30 1972-09-05 Itt Multi-band tunable halfwave whip antenna
JPS475062U (fr) * 1971-02-10 1972-09-14
US3961332A (en) * 1975-07-24 1976-06-01 Middlemark Marvin P Elongated television receiving antenna for indoor use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327310A (en) * 1964-02-28 1967-06-20 Arthur R Bethune Pole television mounting wherein the upper and lower pole sections form a dipole antenna
US3315264A (en) * 1965-07-08 1967-04-18 Brueckmann Helmut Monopole antenna including electrical switching means for varying the length of the outer coaxial conductor with respect to the center conductor
US3798654A (en) * 1972-08-16 1974-03-19 Avanti R & D Inc Tunable sleeve antenna

Also Published As

Publication number Publication date
BE865672A (fr) 1978-07-31
US4117493A (en) 1978-09-26
GB1540815A (en) 1979-02-14
BR7708554A (pt) 1978-08-01
AR214223A1 (es) 1979-05-15
NL7703189A (nl) 1978-06-26
CA1071756A (fr) 1980-02-12
DE2818748A1 (de) 1979-10-31
US4167011A (en) 1979-09-04
GB1540814A (en) 1979-02-14
GB1540816A (en) 1979-02-14
JPS5391646A (en) 1978-08-11

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse