FR967358A - émetteurs radioélectriques dirigés - Google Patents

émetteurs radioélectriques dirigés

Info

Publication number
FR967358A
FR967358A FR967358DA FR967358A FR 967358 A FR967358 A FR 967358A FR 967358D A FR967358D A FR 967358DA FR 967358 A FR967358 A FR 967358A
Authority
FR
France
Prior art keywords
radio transmitters
directed radio
directed
transmitters
radio
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)
Inventor
Andre-Gabriel Clavier
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR967358A publication Critical patent/FR967358A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/14—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device
FR967358D 1947-01-16 1948-01-16 émetteurs radioélectriques dirigés Expired FR967358A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US722440A US2611870A (en) 1947-01-16 1947-01-16 Directive antenna system

Publications (1)

Publication Number Publication Date
FR967358A true FR967358A (fr) 1950-11-02

Family

ID=24901844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967358D Expired FR967358A (fr) 1947-01-16 1948-01-16 émetteurs radioélectriques dirigés

Country Status (7)

Country Link
US (1) US2611870A (fr)
BE (1) BE479578A (fr)
CH (1) CH280689A (fr)
ES (1) ES182081A1 (fr)
FR (1) FR967358A (fr)
GB (1) GB660788A (fr)
NL (1) NL138294C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795783A (en) * 1953-08-19 1957-06-11 Allen S Dunbar Microwave lens antenna
US2945228A (en) * 1953-08-21 1960-07-12 Marconi Wireless Telegraph Co Antenna having two focusing elements
BE558882A (fr) * 1955-01-04
CN101304122B (zh) * 2008-07-02 2011-06-15 南京大学 线源定向辐射增强装置
CN111541028A (zh) * 2020-05-14 2020-08-14 北京高信达通信科技股份有限公司 一种有源天线和制造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075808A (en) * 1930-11-21 1937-04-06 Robert A Fliess Method and apparatus for observing bodies through opaque substances
US1904901A (en) * 1931-04-04 1933-04-18 Harry W Lawrence Electric light fixture
US2231929A (en) * 1937-04-29 1941-02-18 Sperry Gyroscope Co Inc Tridimensional radio direction indicator
US2288177A (en) * 1938-11-03 1942-06-30 James M Bailey Floodlight
NL60724C (fr) * 1939-06-24
US2460401A (en) * 1941-11-28 1949-02-01 Bell Telephone Labor Inc Directive microwave radio antenna
US2354665A (en) * 1942-06-22 1944-08-01 Joseph H Church Method for protecting against attacking aircraft
US2442951A (en) * 1944-05-27 1948-06-08 Rca Corp System for focusing and for directing radio-frequency energy

Also Published As

Publication number Publication date
NL138294C (fr)
BE479578A (fr)
US2611870A (en) 1952-09-23
ES182081A1 (es) 1948-03-16
CH280689A (fr) 1952-01-31
GB660788A (en) 1951-11-14

Similar Documents

Publication Publication Date Title
CH282556A (fr) Récepteur radiophonique.
NL155414B (nl) Frequentiedetector.
CH265353A (de) Frequenzteilungsanordnung.
FR967358A (fr) émetteurs radioélectriques dirigés
FI21840A (fi) Roterande sinterapparat
FR1015394A (fr) Radio-émetteur perfectionné
FR967076A (fr) Transformation de fréquences
FR1014498A (fr) Antennes radioélectriques
FR971648A (fr) Transporteur
FR1018255A (fr) Radio-récepteur perfectionné
AT163250B (de) Malschloß
FR988409A (fr) Antennes radioélectriques
AT168024B (de) Mehrfachradioempfänger
FR57707E (fr) Perfectionnements aux antennes
FR924809A (fr) Récepteur radio-électrique
FR58151E (fr) Antennes
FR949663A (fr) Antennes radio-électriques
FI24795A (fi) Frekvensomformare
FR911319A (fr) Radio-récepteur
FI23159A (fi) Sätt att elektriskt svetsa stål
FI23838A (fi) Sätt att framställa guanidinderivat
FI22070A (fi) Sätt att indunsta cellulosaavfallslutar
FI22858A (fi) Sätt att framställa wellpapp
FI22042A (fi) Sätt att svetsa metallföremål
FI26941A (fi) Sätt att ventilera kylrumsväggar jämte anordning härför