FR1114607A - Antenne fonctionnant simultanément dans deux bandes de fréqueuces tlifférentes - Google Patents
Antenne fonctionnant simultanément dans deux bandes de fréqueuces tlifférentesInfo
- Publication number
- FR1114607A FR1114607A FR1114607DA FR1114607A FR 1114607 A FR1114607 A FR 1114607A FR 1114607D A FR1114607D A FR 1114607DA FR 1114607 A FR1114607 A FR 1114607A
- Authority
- FR
- France
- Prior art keywords
- energy
- plates
- frequencies
- mirror
- lens
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0033—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective used for beam splitting or combining, e.g. acting as a quasi-optical multiplexer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR964781X | 1954-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1114607A true FR1114607A (fr) | 1956-04-16 |
Family
ID=9499564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1114607D Expired FR1114607A (fr) | 1954-11-18 | 1954-11-18 | Antenne fonctionnant simultanément dans deux bandes de fréqueuces tlifférentes |
Country Status (4)
Country | Link |
---|---|
US (1) | US2870444A (fr) |
DE (1) | DE964781C (fr) |
FR (1) | FR1114607A (fr) |
GB (1) | GB782042A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2972743A (en) * | 1957-06-19 | 1961-02-21 | Westinghouse Electric Corp | Combined infrared-radar antenna |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3165749A (en) * | 1958-09-15 | 1965-01-12 | Thompson Ramo Wooldridge Inc | Microwave transmissive optical radiation reflectors |
US3281850A (en) * | 1962-03-07 | 1966-10-25 | Hazeltine Research Inc | Double-feed antennas operating with waves of two frequencies of the same polarization |
US3231892A (en) * | 1962-06-26 | 1966-01-25 | Philco Corp | Antenna feed system simultaneously operable at two frequencies utilizing polarization independent frequency selective intermediate reflector |
US3453620A (en) * | 1968-01-29 | 1969-07-01 | North American Rockwell | Radome structural composite |
US3924239A (en) * | 1974-06-27 | 1975-12-02 | Nasa | Dichroic plate |
GB2058468B (en) * | 1979-08-23 | 1983-10-12 | Marconi Co Ltd | Dual frequency aerial feed arrangement |
US4284992A (en) * | 1979-12-26 | 1981-08-18 | Bell Telephone Laboratories, Incorporated | Wide scan quasi-optical frequency diplexer |
FR2518828A1 (fr) * | 1981-12-18 | 1983-06-24 | Thomson Csf | Filtre spatial de frequences et antenne comportant un tel filtre |
DE3402659A1 (de) * | 1984-01-26 | 1985-08-01 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Reflektorantenne fuer den betrieb in mehreren frequenzbereichen |
US5003321A (en) * | 1985-09-09 | 1991-03-26 | Sts Enterprises, Inc. | Dual frequency feed |
US4698638A (en) * | 1985-12-26 | 1987-10-06 | General Dynamics, Pomona Division | Dual mode target seeking system |
GB2246474A (en) * | 1990-07-24 | 1992-01-29 | British Aerospace | A layered frequency selective surface assembly |
GB2492081B (en) * | 2011-06-20 | 2014-11-19 | Canon Kk | Antenna lens including holes and different permittivity layers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2636125A (en) * | 1948-04-10 | 1953-04-21 | Bell Telephone Labor Inc | Selective electromagnetic wave system |
-
1954
- 1954-11-18 FR FR1114607D patent/FR1114607A/fr not_active Expired
-
1955
- 1955-11-15 US US546899A patent/US2870444A/en not_active Expired - Lifetime
- 1955-11-16 GB GB32801/55A patent/GB782042A/en not_active Expired
- 1955-11-18 DE DEC12112A patent/DE964781C/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2972743A (en) * | 1957-06-19 | 1961-02-21 | Westinghouse Electric Corp | Combined infrared-radar antenna |
Also Published As
Publication number | Publication date |
---|---|
US2870444A (en) | 1959-01-20 |
GB782042A (en) | 1957-08-28 |
DE964781C (de) | 1957-05-29 |
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