FR2315179A1 - Antenne radio-electrique a polarisation circulaire et rayonnement quasi-isotrope et son application a une balise - Google Patents
Antenne radio-electrique a polarisation circulaire et rayonnement quasi-isotrope et son application a une baliseInfo
- Publication number
- FR2315179A1 FR2315179A1 FR7519318A FR7519318A FR2315179A1 FR 2315179 A1 FR2315179 A1 FR 2315179A1 FR 7519318 A FR7519318 A FR 7519318A FR 7519318 A FR7519318 A FR 7519318A FR 2315179 A1 FR2315179 A1 FR 2315179A1
- Authority
- FR
- France
- Prior art keywords
- circularly polarised
- straight conductor
- loops
- half wave
- polarised signals
- 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.)
- Granted
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
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7519318A FR2315179A1 (fr) | 1975-06-20 | 1975-06-20 | Antenne radio-electrique a polarisation circulaire et rayonnement quasi-isotrope et son application a une balise |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7519318A FR2315179A1 (fr) | 1975-06-20 | 1975-06-20 | Antenne radio-electrique a polarisation circulaire et rayonnement quasi-isotrope et son application a une balise |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2315179A1 true FR2315179A1 (fr) | 1977-01-14 |
FR2315179B1 FR2315179B1 (fr) | 1977-12-02 |
Family
ID=9156790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7519318A Granted FR2315179A1 (fr) | 1975-06-20 | 1975-06-20 | Antenne radio-electrique a polarisation circulaire et rayonnement quasi-isotrope et son application a une balise |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2315179A1 (fr) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1004246B (de) * | 1953-09-01 | 1957-03-14 | Ingbuero Fuer Elektrotechnik N | Aus Dipolen bestehende Richtantenne fuer ultrakurze Wellen |
US3345635A (en) * | 1965-10-11 | 1967-10-03 | Collins Radio Co | Folded vertical monopole antenna |
US3474452A (en) * | 1967-02-16 | 1969-10-21 | Electronics Research Inc | Omnidirectional circularly polarized antenna |
US3576567A (en) * | 1967-07-11 | 1971-04-27 | Edward H Shively | Circularly polarized broadcast antenna |
US3633210A (en) * | 1967-05-26 | 1972-01-04 | Philco Ford Corp | Unbalanced conical spiral antenna |
US3761934A (en) * | 1972-05-08 | 1973-09-25 | Dx Antenna | Two-element receiving antenna with critically spaced end sections |
-
1975
- 1975-06-20 FR FR7519318A patent/FR2315179A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1004246B (de) * | 1953-09-01 | 1957-03-14 | Ingbuero Fuer Elektrotechnik N | Aus Dipolen bestehende Richtantenne fuer ultrakurze Wellen |
US3345635A (en) * | 1965-10-11 | 1967-10-03 | Collins Radio Co | Folded vertical monopole antenna |
US3474452A (en) * | 1967-02-16 | 1969-10-21 | Electronics Research Inc | Omnidirectional circularly polarized antenna |
US3633210A (en) * | 1967-05-26 | 1972-01-04 | Philco Ford Corp | Unbalanced conical spiral antenna |
US3576567A (en) * | 1967-07-11 | 1971-04-27 | Edward H Shively | Circularly polarized broadcast antenna |
US3761934A (en) * | 1972-05-08 | 1973-09-25 | Dx Antenna | Two-element receiving antenna with critically spaced end sections |
Also Published As
Publication number | Publication date |
---|---|
FR2315179B1 (fr) | 1977-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |