FR953486A - Perfectionnements aux antennes - Google Patents

Perfectionnements aux antennes

Info

Publication number
FR953486A
FR953486A FR953486DA FR953486A FR 953486 A FR953486 A FR 953486A FR 953486D A FR953486D A FR 953486DA FR 953486 A FR953486 A FR 953486A
Authority
FR
France
Prior art keywords
antenna
antenna improvements
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)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR953486A publication Critical patent/FR953486A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H01Q21/10—Collinear arrangements of substantially straight elongated conductive units
FR953486D 1946-10-01 1947-09-25 Perfectionnements aux antennes Expired FR953486A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB268705X 1946-10-01

Publications (1)

Publication Number Publication Date
FR953486A true FR953486A (fr) 1949-12-07

Family

ID=10250507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953486D Expired FR953486A (fr) 1946-10-01 1947-09-25 Perfectionnements aux antennes

Country Status (5)

Country Link
US (1) US2715184A (fr)
CH (1) CH268705A (fr)
DE (1) DE833064C (fr)
FR (1) FR953486A (fr)
GB (1) GB628986A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160940B (nl) * 1950-05-03 Spanstaal Werkwijze en inrichting voor het bepalen van het soortelijk gewicht of de transportconcen- tratie aan baggerspecie van een door een leiding stromende suspensie van baggerspecie en water.
DE975023C (de) * 1952-07-24 1961-07-06 Heinz Dr Phil Graziadei Breitband-Richtstrahlantenne mit einer leitenden Flaeche variabler Breite
DE957855C (de) * 1954-06-18 1957-01-17 Electric &. Musical Industries Ltd Hayes, Middlesex (Großbritannien) Antennenanordnung fur wenigstens zwei vorzugsweise einander nicht benachbarte Frequenzbander
US2924823A (en) * 1954-12-08 1960-02-09 Emi Ltd Separate adjacent antennas for different bands with means to reduce cross coupling
US3159839A (en) * 1955-07-07 1964-12-01 Donald L Hings Driven dipole coupled to a colinear array spaced with respect to the first fresnel zone
US2967300A (en) * 1957-11-22 1961-01-03 L A Young Spring & Wire Corp Multiple band antenna
US3064257A (en) * 1958-02-14 1962-11-13 James D Guest Antenna with adjustable tuning reactance
US3530474A (en) * 1968-07-02 1970-09-22 Us Army Antenna with adjustable-ratio dual capacitive loading
GB1524210A (en) * 1975-12-31 1978-09-06 Marconi Co Ltd Radio antennae
GB1547136A (en) * 1978-02-07 1979-06-06 Marconi Co Ltd Radio antennae
SE432035B (sv) * 1982-07-28 1984-03-12 Philips Svenska Ab Riktantennelement av typ v-formad dipol
GB2148604B (en) * 1983-10-18 1988-01-06 Plessey Co Plc Monopole aerial
GB2148605B (en) * 1983-10-18 1988-02-17 Plessey Co Plc Whip aerial
GB2171258B (en) * 1985-02-19 1988-12-07 Plessey Co Plc Aerials

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1839426A (en) * 1924-07-25 1932-01-05 Drahtlose Telegraphie Gmbh Antenna
NL23436C (fr) * 1925-05-09
US1935373A (en) * 1929-03-29 1933-11-14 Rca Corp Antenna
US2208749A (en) * 1937-02-09 1940-07-23 Emi Ltd Aerial system
US2258406A (en) * 1938-04-16 1941-10-07 Rca Corp Wide band antenna
BE441497A (fr) * 1939-08-03
US2272608A (en) * 1939-12-19 1942-02-10 Internat Telephone Dev Co Inc Antenna matching structure
US2352977A (en) * 1942-09-18 1944-07-04 Gen Electric Self-compensating video antenna
US2409542A (en) * 1942-11-20 1946-10-15 Rca Corp High-frequency transducer system
US2419552A (en) * 1943-06-12 1947-04-29 Standard Telephones Cables Ltd Radio antenna
BE460255A (fr) * 1944-05-02

Also Published As

Publication number Publication date
DE833064C (de) 1952-03-03
US2715184A (en) 1955-08-09
CH268705A (de) 1950-05-31
GB628986A (en) 1949-09-08

Similar Documents

Publication Publication Date Title
FR937685A (fr) Perfectionnements aux stylographes
FR953486A (fr) Perfectionnements aux antennes
FR943339A (fr) Perfectionnements aux magnétrons
FR950830A (fr) Perfectionnements aux évaporateurs
FR932339A (fr) Perfectionnements aux stylographes
FR934235A (fr) Perfectionnements aux stylographes
ES179628A1 (es) Mejoras en antenas
FR941875A (fr) Perfectionnements aux stylographes
FR946825A (fr) Perfectionnements aux stylomines
AT174006B (de) Firngleiter
FR935612A (fr) Perfectionnements aux lettres-enveloppes
FR933656A (fr) Perfectionnements aux antennes
FR56684E (fr) Perfectionnements aux évaporateurs
FR1014498A (fr) Antennes radioélectriques
FR936125A (fr) Photoélasticimètre
ES179629A1 (es) Mejoras en antenas
FR57707E (fr) Perfectionnements aux antennes
FR936646A (fr) Perfectionnements aux évaporateurs
FR934770A (fr) Perfectionnements aux tracteurs
FR935220A (fr) Perfectionnements aux mélangeurs
FR942183A (fr) Perfectionnements aux paliers
FR949663A (fr) Antennes radio-électriques
FR925156A (fr) Perfectionnements aux télémètres
ES175108A2 (es) Mejoras
FI21581A (fi) Elektronrör