GB1294831A - - Google Patents

Info

Publication number
GB1294831A
GB1294831A GB1294831DA GB1294831A GB 1294831 A GB1294831 A GB 1294831A GB 1294831D A GB1294831D A GB 1294831DA GB 1294831 A GB1294831 A GB 1294831A
Authority
GB
United Kingdom
Prior art keywords
winding
fingers
helical
elements
aerial
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1294831A publication Critical patent/GB1294831A/en
Expired 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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas

Landscapes

  • Suspension Of Electric Lines Or Cables (AREA)
GB1294831D 1970-12-02 1971-01-06 Expired GB1294831A (enExample)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU22926/70A AU2292670A (en) 1970-12-02 1970-12-02 Balanced tunable helical monopole antenna
FR7046805A FR2119841B1 (enExample) 1970-12-02 1970-12-28
GB67171 1971-01-06

Publications (1)

Publication Number Publication Date
GB1294831A true GB1294831A (enExample) 1972-11-01

Family

ID=27152767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1294831D Expired GB1294831A (enExample) 1970-12-02 1971-01-06

Country Status (3)

Country Link
AU (1) AU2292670A (enExample)
FR (1) FR2119841B1 (enExample)
GB (1) GB1294831A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257032A (en) * 1991-01-24 1993-10-26 Rdi Electronics, Inc. Antenna system including spiral antenna and dipole or monopole antenna

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE909583C (de) * 1943-04-21 1954-04-22 Telefunken Gmbh Antennenanordnung fuer ultrakurze Wellen
DE1012656B (de) * 1954-08-21 1957-07-25 Philips Patentverwaltung In ein Funkempfangsgeraet eingebaute Dipol-Antenne
US2993204A (en) * 1958-02-28 1961-07-18 Itt Two-band helical antenna
US2894260A (en) * 1958-04-15 1959-07-07 Glenn R Ellis Variable loaded whip antenna
US3235871A (en) * 1962-06-11 1966-02-15 Chu Helical antenna with transversely extending, top-loading straight antenna in series therewith
US3417403A (en) * 1965-11-18 1968-12-17 Collins Radio Co Electrically small spiral antenna tunable over a wide band
US3438046A (en) * 1966-06-17 1969-04-08 Itt Quick tune helical antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257032A (en) * 1991-01-24 1993-10-26 Rdi Electronics, Inc. Antenna system including spiral antenna and dipole or monopole antenna
US5457469A (en) * 1991-01-24 1995-10-10 Rdi Electronics, Incorporated System including spiral antenna and dipole or monopole antenna

Also Published As

Publication number Publication date
AU2292670A (en) 1972-06-08
FR2119841A1 (enExample) 1972-08-11
FR2119841B1 (enExample) 1975-01-10

Similar Documents

Publication Publication Date Title
GB1149989A (en) Molded capacitor having integral standoffs
GB1348789A (en) Mixer circuit
GB1294831A (enExample)
GB1143979A (en) Co-axial circuit change-over switch for high frequency
GB986836A (en) Improvements in or relating to high-frequency dipole aerials
FR1455597A (fr) Dispositif d'accord pour hautes fréquences
FR1605341A (en) Variable capacitance diode or varactor device - brass rod in terminal element to adjust shunt capacitance across diode
SU560677A1 (ru) Устройство дл ориентировани плоской токопровод щей детали
GB1086929A (en) Improvements in electrically-controllable microwave switches
GB1184928A (en) Improvements in or relating to Tunable Resonant Lines
CA682814A (en) Electrically conductive paper, and method of making it
AU2332367A (en) Electrically tuned antenna
GB1382065A (en) Telescopic aerials
CA928810A (en) Multielement radio-frequency antenna structure having helically coiled conductive elements
MUKHTAROV et al. Wideband waveguide Y-circulators(Bandwidth widening of waveguide H-plane Y-circulator with cylindrical ferrite post coated by dielectric sleeve)
AU284639B2 (en) Electrically conductive elements
CA656086A (en) Electrically conductive glass
AU2980363A (en) Electrically conductive elements
GB1322300A (en) Aerials
CA860480A (en) Whip antenna with adjustable tuning
AU286089B2 (en) Arrangement for electronic tuning ofan v oscillating circuit onthe medium wave range, particularly for remote tuning and/or pushbutton tuning
CA632495A (en) Electrically conductive windshield
AU405032B2 (en) Electrically conductive transmission line
GB1334257A (en) Potentiometer
CA560764A (en) Electrically conductive colloidal graphite solution

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees