BR7800117A - Aperfeicoamento em disposicao alimentadora para antena - Google Patents
Aperfeicoamento em disposicao alimentadora para antenaInfo
- Publication number
- BR7800117A BR7800117A BR7800117A BR7800117A BR7800117A BR 7800117 A BR7800117 A BR 7800117A BR 7800117 A BR7800117 A BR 7800117A BR 7800117 A BR7800117 A BR 7800117A BR 7800117 A BR7800117 A BR 7800117A
- Authority
- BR
- Brazil
- Prior art keywords
- antenna
- improvement
- feeding arrangement
- feeding
- arrangement
- Prior art date
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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
- H01P1/175—Auxiliary devices for rotating the plane of polarisation using Faraday rotators
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7700230,A NL180623C (nl) | 1977-01-12 | 1977-01-12 | Belichter voor een antenne. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7800117A true BR7800117A (pt) | 1978-10-24 |
Family
ID=19827755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7800117A BR7800117A (pt) | 1977-01-12 | 1978-01-09 | Aperfeicoamento em disposicao alimentadora para antena |
Country Status (12)
Country | Link |
---|---|
US (1) | US4178574A (pt) |
JP (1) | JPS5388552A (pt) |
BR (1) | BR7800117A (pt) |
CA (1) | CA1110722A (pt) |
DE (1) | DE2800101A1 (pt) |
DK (1) | DK149675C (pt) |
FI (1) | FI71041C (pt) |
FR (1) | FR2377711A1 (pt) |
GB (1) | GB1565919A (pt) |
NL (1) | NL180623C (pt) |
NO (1) | NO148052C (pt) |
SE (1) | SE439561B (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3023562C2 (de) * | 1980-06-24 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Polarisationsumwandlung elektromagnetischer Wellen |
DE3023561C2 (de) * | 1980-06-24 | 1986-01-02 | Siemens AG, 1000 Berlin und 8000 München | Leitergitterstruktur zur Polarisationsumwandlung elektromagnetischer Wellen |
DE3108758A1 (de) * | 1981-03-07 | 1982-09-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Mikrowellen-empfangseinrichtung |
FR2502405A1 (fr) * | 1981-03-18 | 1982-09-24 | Portenseigne | Systeme de reception de signaux hyperfrequences a polarisations orthogonales |
JPS60165101A (ja) * | 1984-02-08 | 1985-08-28 | Mitsubishi Electric Corp | 偏波変換装置 |
NL8401335A (nl) * | 1984-04-26 | 1985-11-18 | Philips Nv | Ontvanginrichting voor toepassing in een tv front end. |
JPS60239107A (ja) * | 1984-05-14 | 1985-11-28 | Mitsubishi Electric Corp | アンテナ装置 |
US5257031A (en) * | 1984-07-09 | 1993-10-26 | Selenia Industrie Elettroniche Associate S.P.A. | Multibeam antenna which can provide different beam positions according to the angular sector of interest |
FR2594600B1 (fr) * | 1986-02-18 | 1988-04-15 | Alcatel Thomson Faisceaux | Dispositif de reglage de la polarisation d'une antenne et procede de mise en oeuvre d'un tel dispositif |
EP0304656B1 (de) * | 1987-08-12 | 1992-09-30 | Siemens Aktiengesellschaft | Richtfunkantenne |
GB8820097D0 (en) * | 1988-08-24 | 1988-09-28 | Racal Mesl Ltd | Radio signal polarising arrangements |
FR2777700B1 (fr) * | 1998-04-20 | 2000-07-07 | Org Europeenne Telecommunications Par Satellite Eutelsat | Agencement de convertisseur de frequences pour antennes parabolique |
US6297710B1 (en) | 1999-09-02 | 2001-10-02 | Channel Master Llc | Slip joint polarizer |
EP2356720A4 (en) * | 2008-10-20 | 2016-03-30 | Ems Technologies Inc | ANTENNA POLARIZATION CONTROL |
KR101166728B1 (ko) * | 2011-01-27 | 2012-07-19 | (주)인텔리안테크놀로지스 | 다중 편파 위성 신호를 위한 편파기 회전 기구 및 이를 구비한 위성 신호 수신 장치 |
WO2012119898A1 (en) * | 2011-03-09 | 2012-09-13 | Thrane & Thrane A/S | Device for switching between linear and circular polarization using a rotatable depolarizer |
JP2021077873A (ja) | 2019-11-07 | 2021-05-20 | 日東電工株式会社 | ダイシングテープ、及び、ダイシングダイボンドフィルム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2978702A (en) * | 1957-07-31 | 1961-04-04 | Arf Products | Antenna polarizer having two phase shifting medium |
GB936111A (en) * | 1958-06-18 | 1963-09-04 | Cossor Ltd A C | Improvements in or relating to propagation of radar energy |
US3287730A (en) * | 1963-02-05 | 1966-11-22 | John L Kerr | Variable polarization antenna |
US3988732A (en) * | 1965-12-22 | 1976-10-26 | The United States Of America As Represented By The Secretary Of The Navy | 3-Channel selectable polarization, target discrimination antenna |
US3394375A (en) * | 1966-11-04 | 1968-07-23 | Northern Electric Co | Automatic tracking system for linearly polarized electromagnetic waves |
GB1330175A (en) * | 1970-08-04 | 1973-09-12 | Elliott Brothers London Ltd | Radio aerials |
-
1977
- 1977-01-12 NL NLAANVRAGE7700230,A patent/NL180623C/xx not_active IP Right Cessation
-
1978
- 1978-01-03 DE DE19782800101 patent/DE2800101A1/de not_active Ceased
- 1978-01-05 CA CA294,351A patent/CA1110722A/en not_active Expired
- 1978-01-05 US US05/867,129 patent/US4178574A/en not_active Expired - Lifetime
- 1978-01-09 JP JP61178A patent/JPS5388552A/ja active Granted
- 1978-01-09 NO NO780079A patent/NO148052C/no unknown
- 1978-01-09 DK DK9578A patent/DK149675C/da active
- 1978-01-09 SE SE7800163A patent/SE439561B/sv not_active IP Right Cessation
- 1978-01-09 BR BR7800117A patent/BR7800117A/pt unknown
- 1978-01-09 GB GB704/78A patent/GB1565919A/en not_active Expired
- 1978-01-09 FI FI780062A patent/FI71041C/fi not_active IP Right Cessation
- 1978-01-10 FR FR7800511A patent/FR2377711A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6232842B2 (pt) | 1987-07-17 |
DK149675C (da) | 1987-04-13 |
NL180623B (nl) | 1986-10-16 |
NO148052C (no) | 1983-07-27 |
DE2800101A1 (de) | 1978-07-13 |
NL7700230A (nl) | 1978-07-14 |
JPS5388552A (en) | 1978-08-04 |
FR2377711B1 (pt) | 1984-06-15 |
NL180623C (nl) | 1987-08-17 |
DK9578A (da) | 1978-07-13 |
DK149675B (da) | 1986-09-01 |
SE7800163L (sv) | 1978-07-13 |
FI71041C (fi) | 1986-10-27 |
US4178574A (en) | 1979-12-11 |
GB1565919A (en) | 1980-04-23 |
CA1110722A (en) | 1981-10-13 |
FI71041B (fi) | 1986-07-18 |
FR2377711A1 (fr) | 1978-08-11 |
FI780062A (fi) | 1978-07-13 |
NO148052B (no) | 1983-04-18 |
NO780079L (no) | 1978-07-13 |
SE439561B (sv) | 1985-06-17 |
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