FR2341956A1 - Antenne a elements en spirale, non symetriques - Google Patents
Antenne a elements en spirale, non symetriquesInfo
- Publication number
- FR2341956A1 FR2341956A1 FR7703028A FR7703028A FR2341956A1 FR 2341956 A1 FR2341956 A1 FR 2341956A1 FR 7703028 A FR7703028 A FR 7703028A FR 7703028 A FR7703028 A FR 7703028A FR 2341956 A1 FR2341956 A1 FR 2341956A1
- Authority
- FR
- France
- Prior art keywords
- centre
- compressed
- elements
- arm sections
- spiral elements
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66057076A | 1976-02-23 | 1976-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2341956A1 true FR2341956A1 (fr) | 1977-09-16 |
Family
ID=24650064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7703028A Withdrawn FR2341956A1 (fr) | 1976-02-23 | 1977-02-03 | Antenne a elements en spirale, non symetriques |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS52102655A (fr) |
DE (1) | DE2707819A1 (fr) |
FR (1) | FR2341956A1 (fr) |
IT (1) | IT1076983B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440089A1 (fr) * | 1978-10-27 | 1980-05-23 | Dassault Electronique | Antenne radar plane a configuration en spirales |
EP0046034A1 (fr) * | 1980-08-12 | 1982-02-17 | Hawker Siddeley Canada Inc. | Méthode et dispositif de contrôle de longueurs |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4559539A (en) * | 1983-07-18 | 1985-12-17 | American Electronic Laboratories, Inc. | Spiral antenna deformed to receive another antenna |
US4605934A (en) * | 1984-08-02 | 1986-08-12 | The Boeing Company | Broad band spiral antenna with tapered arm width modulation |
JPS63128802A (ja) * | 1986-11-19 | 1988-06-01 | Mitsubishi Electric Corp | スパイラルアンテナ |
JPS6385914U (fr) * | 1986-11-25 | 1988-06-04 | ||
US5227807A (en) * | 1989-11-29 | 1993-07-13 | Ael Defense Corp. | Dual polarized ambidextrous multiple deformed aperture spiral antennas |
-
1977
- 1977-02-03 FR FR7703028A patent/FR2341956A1/fr not_active Withdrawn
- 1977-02-22 JP JP1786177A patent/JPS52102655A/ja active Pending
- 1977-02-22 IT IT2056177A patent/IT1076983B/it active
- 1977-02-23 DE DE19772707819 patent/DE2707819A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440089A1 (fr) * | 1978-10-27 | 1980-05-23 | Dassault Electronique | Antenne radar plane a configuration en spirales |
EP0046034A1 (fr) * | 1980-08-12 | 1982-02-17 | Hawker Siddeley Canada Inc. | Méthode et dispositif de contrôle de longueurs |
Also Published As
Publication number | Publication date |
---|---|
DE2707819A1 (de) | 1977-09-01 |
IT1076983B (it) | 1985-04-27 |
JPS52102655A (en) | 1977-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |