[go: up one dir, main page]

FR1050730A - Aérien rotatif pour appareils radar - Google Patents

Aérien rotatif pour appareils radar

Info

Publication number
FR1050730A
FR1050730A FR1050730DA FR1050730A FR 1050730 A FR1050730 A FR 1050730A FR 1050730D A FR1050730D A FR 1050730DA FR 1050730 A FR1050730 A FR 1050730A
Authority
FR
France
Prior art keywords
radar devices
rotary aerial
aerial
rotary
radar
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1050730A publication Critical patent/FR1050730A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/132—Horn reflector antennas; Off-set feeding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
FR1050730D 1951-02-12 1952-02-11 Aérien rotatif pour appareils radar Expired FR1050730A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL304752X 1951-02-12

Publications (1)

Publication Number Publication Date
FR1050730A true FR1050730A (fr) 1954-01-11

Family

ID=19783448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050730D Expired FR1050730A (fr) 1951-02-12 1952-02-11 Aérien rotatif pour appareils radar

Country Status (6)

Country Link
BE (1) BE509143A (fr)
CH (1) CH304752A (fr)
DE (1) DE943776C (fr)
FR (1) FR1050730A (fr)
GB (1) GB690915A (fr)
NL (2) NL82652C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1291750A (fr) * 1961-03-17 1962-04-27 Csf Antenne plate pour radar à impulsion unique

Also Published As

Publication number Publication date
NL159215B (nl)
NL82652C (fr)
DE943776C (de) 1956-06-01
BE509143A (fr)
GB690915A (en) 1953-04-29
CH304752A (de) 1955-01-31

Similar Documents

Publication Publication Date Title
CH317716A (de) Mikrowellen-Antennenanlage
CH322497A (fr) Récepteur radio pour ondes ultra-courtes
FR1065389A (fr) Appareillage de coupure
FR1114807A (fr) Antenne pour ondes ultra-courtes
FR1021643A (fr) Perfectionnements aux aériens pour ondes ultra-courtes
FR1050730A (fr) Aérien rotatif pour appareils radar
FR1046421A (fr) Raccord rotatif
FR66866E (fr) Appareils télégraphiques fas-similé
FR1037914A (fr) Dispositif de verrouillage principalement pour interrupteurs électriques
FR1062112A (fr) Dispositif de retournement pour charrues rotatives
FR1064575A (fr) Antenne télescopique pour véhicules
FR1030756A (fr) Appareils de radio-culture
FR1036853A (fr) Bandes pour intercalaires
CA467912A (fr) Dispositifs de guide-ondes conjuges
CA475013A (fr) Dispositifs d'indicateurs
FR1046646A (fr) Aérien extrêmement plat pour ondes ultra-courtes
FR1055221A (fr) Mélangeur-homogénéisateur pour boissons
FR1043493A (fr) Récipient calorifuge
FR1037926A (fr) Appareils vibro-tamiseur
CA471592A (fr) Dispositifs d'enregistrement
CA469707A (fr) Dispositifs indicateurs
CA478932A (fr) Dispositifs d'echantillonnage de liquides
FR1053591A (fr) Distributeur pour appareils pneumatiques
FR1047947A (fr) Bec verseur
CA474307A (fr) Dispositifs d'enlevement de paraffine