FR3126818B1 - Système électromagnétique avec déviation angulaire du lobe principal de rayonnement d'une antenne - Google Patents
Système électromagnétique avec déviation angulaire du lobe principal de rayonnement d'une antenne Download PDFInfo
- Publication number
- FR3126818B1 FR3126818B1 FR2109426A FR2109426A FR3126818B1 FR 3126818 B1 FR3126818 B1 FR 3126818B1 FR 2109426 A FR2109426 A FR 2109426A FR 2109426 A FR2109426 A FR 2109426A FR 3126818 B1 FR3126818 B1 FR 3126818B1
- Authority
- FR
- France
- Prior art keywords
- antenna
- cavity
- angular deviation
- main radiation
- electromagnetic system
- 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.)
- Active
Links
- 230000005855 radiation Effects 0.000 title 1
- 230000002745 absorbent Effects 0.000 abstract 2
- 239000002250 absorbent Substances 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
-
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
L’invention concerne un système d’antenne comprenant : un plan de masse avec une cavité recouverte d’un substrat diélectrique, magnétique ou magnéto-diélectrique ; une antenne disposée sur la cavité ; une couronne périphérique absorbante disposée entre l’antenne et les parois de la cavité ; une demi-lentille absorbante, comprenant un élément de base couvrant sensiblement la moitié de la cavité Figure pour l’abrégé : Fig. 10.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2109426A FR3126818B1 (fr) | 2021-09-09 | 2021-09-09 | Système électromagnétique avec déviation angulaire du lobe principal de rayonnement d'une antenne |
EP22193180.1A EP4148902A1 (fr) | 2021-09-09 | 2022-08-31 | Systeme electromagnetique avec deviation angulaire du lobe principal de rayonnement d'une antenne |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2109426A FR3126818B1 (fr) | 2021-09-09 | 2021-09-09 | Système électromagnétique avec déviation angulaire du lobe principal de rayonnement d'une antenne |
FR2109426 | 2021-09-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3126818A1 FR3126818A1 (fr) | 2023-03-10 |
FR3126818B1 true FR3126818B1 (fr) | 2024-02-23 |
Family
ID=79602080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2109426A Active FR3126818B1 (fr) | 2021-09-09 | 2021-09-09 | Système électromagnétique avec déviation angulaire du lobe principal de rayonnement d'une antenne |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4148902A1 (fr) |
FR (1) | FR3126818B1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5162806A (en) * | 1990-02-05 | 1992-11-10 | Raytheon Company | Planar antenna with lens for controlling beam widths from two portions thereof at different frequencies |
US6862004B2 (en) | 2002-12-13 | 2005-03-01 | Broadcom Corporation | Eccentric spiral antenna and method for making same |
US8780012B2 (en) * | 2009-06-30 | 2014-07-15 | California Institute Of Technology | Dielectric covered planar antennas |
JP5496941B2 (ja) * | 2011-03-25 | 2014-05-21 | 東芝電波プロダクツ株式会社 | スパイラルアンテナ |
-
2021
- 2021-09-09 FR FR2109426A patent/FR3126818B1/fr active Active
-
2022
- 2022-08-31 EP EP22193180.1A patent/EP4148902A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
FR3126818A1 (fr) | 2023-03-10 |
EP4148902A1 (fr) | 2023-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20230310 |
|
PLFP | Fee payment |
Year of fee payment: 3 |