FR983718A - Improvement in the emission and reception of electromagnetic waves - Google Patents

Improvement in the emission and reception of electromagnetic waves

Info

Publication number
FR983718A
FR983718A FR983718DA FR983718A FR 983718 A FR983718 A FR 983718A FR 983718D A FR983718D A FR 983718DA FR 983718 A FR983718 A FR 983718A
Authority
FR
France
Prior art keywords
emission
reception
improvement
electromagnetic waves
waves
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
French (fr)
Inventor
Colliard
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
Application granted granted Critical
Publication of FR983718A publication Critical patent/FR983718A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14Reflecting surfaces; Equivalent structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • H01Q19/12Combinations 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR983718D 1949-03-26 1949-03-26 Improvement in the emission and reception of electromagnetic waves Expired FR983718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR983718T 1949-03-26

Publications (1)

Publication Number Publication Date
FR983718A true FR983718A (en) 1951-06-27

Family

ID=9536238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983718D Expired FR983718A (en) 1949-03-26 1949-03-26 Improvement in the emission and reception of electromagnetic waves

Country Status (1)

Country Link
FR (1) FR983718A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1591177B1 (en) * 1966-10-31 1971-09-16 Hughes Aircraft Co FOLDABLE REFLECTOR FOR ELECTROMAGNETIC WAVES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1591177B1 (en) * 1966-10-31 1971-09-16 Hughes Aircraft Co FOLDABLE REFLECTOR FOR ELECTROMAGNETIC WAVES

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