FR2235500A1 - - Google Patents
Info
- Publication number
- FR2235500A1 FR2235500A1 FR7422776A FR7422776A FR2235500A1 FR 2235500 A1 FR2235500 A1 FR 2235500A1 FR 7422776 A FR7422776 A FR 7422776A FR 7422776 A FR7422776 A FR 7422776A FR 2235500 A1 FR2235500 A1 FR 2235500A1
- Authority
- FR
- France
- 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
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00374981A US3838362A (en) | 1973-06-29 | 1973-06-29 | Diplexing coupler for microwave system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2235500A1 true FR2235500A1 (it) | 1975-01-24 |
| FR2235500B1 FR2235500B1 (it) | 1980-12-05 |
Family
ID=23479012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7422776A Expired FR2235500B1 (it) | 1973-06-29 | 1974-06-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3838362A (it) |
| JP (1) | JPS5034441A (it) |
| CA (1) | CA986595A (it) |
| DE (1) | DE2431289A1 (it) |
| FR (1) | FR2235500B1 (it) |
| GB (1) | GB1470545A (it) |
| IT (1) | IT1016203B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2284996A1 (fr) * | 1974-09-10 | 1976-04-09 | Licentia Gmbh | Aiguillage de filtrage composite pour la separation de deux signaux constitues chacun par deux bandes de frequence doublement polarisees |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294201A (en) * | 1976-01-31 | 1977-08-08 | Nippon Telegraph & Telephone | Method of producing types |
| DE2703878A1 (de) * | 1977-01-31 | 1978-08-03 | Siemens Ag | Polarisationsweiche |
| DE2939679C2 (de) * | 1979-09-29 | 1985-12-05 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Systemweiche für ein Satellitenfunksystem |
| IT1149770B (it) * | 1982-02-25 | 1986-12-10 | Italtel Spa | Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione |
| BR8305993A (pt) * | 1983-10-25 | 1985-06-04 | Brasilia Telecom | Aciplador direcional usando guia corrugado para separacao de duas faixas de frequencias mantendo as caracteristicas de polarizacao |
| BR8307286A (pt) * | 1983-12-27 | 1985-08-06 | Brasilia Telecom | Transicao entre guia liso e corrugado,para operacao em duas faixas de frequencias distintas |
| US5003321A (en) * | 1985-09-09 | 1991-03-26 | Sts Enterprises, Inc. | Dual frequency feed |
| CA1260609A (en) * | 1986-09-12 | 1989-09-26 | Her Majesty The Queen, In Right Of Canada, As Represented By The Minister Of National Defence | Wide bandwidth multiband feed system with polarization diversity |
| US5784033A (en) * | 1996-06-07 | 1998-07-21 | Hughes Electronics Corporation | Plural frequency antenna feed |
| JP3688558B2 (ja) * | 2000-06-05 | 2005-08-31 | 三菱電機株式会社 | 導波管群分波器 |
| KR100891789B1 (ko) * | 2006-01-04 | 2009-04-07 | 삼성전자주식회사 | 무선 통신 시스템에서 신호 송수신 장치 및 방법 |
| FR2929796B1 (fr) * | 2008-04-02 | 2014-09-26 | Centre Nat Etd Spatiales | Coupleur pour systeme radio frequences multibandes. |
| US8285387B2 (en) * | 2008-12-12 | 2012-10-09 | Microchips, Inc. | Wireless communication with a medical implant |
| US20100151113A1 (en) * | 2008-12-12 | 2010-06-17 | Microchips, Inc. | Manufacture of a radiating structure for a medical implant |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3150333A (en) * | 1960-02-01 | 1964-09-22 | Airtron Division Of Litton Pre | Coupling orthogonal polarizations in a common square waveguide with modes in individual waveguides |
| US3265993A (en) * | 1964-02-13 | 1966-08-09 | Post Office | Integrated coupling unit for two independent waveguide channels |
| US3668567A (en) * | 1970-07-02 | 1972-06-06 | Hughes Aircraft Co | Dual mode rotary microwave coupler |
| US3731235A (en) * | 1971-11-03 | 1973-05-01 | Gte Sylvania Inc | Dual polarized diplexer |
| US3731236A (en) * | 1972-08-17 | 1973-05-01 | Gte Sylvania Inc | Independently adjustable dual polarized diplexer |
-
1973
- 1973-06-29 US US00374981A patent/US3838362A/en not_active Expired - Lifetime
-
1974
- 1974-06-17 GB GB2672474A patent/GB1470545A/en not_active Expired
- 1974-06-18 CA CA202730A patent/CA986595A/en not_active Expired
- 1974-06-27 DE DE2431289A patent/DE2431289A1/de not_active Ceased
- 1974-06-27 IT IT51765/74A patent/IT1016203B/it active
- 1974-06-28 FR FR7422776A patent/FR2235500B1/fr not_active Expired
- 1974-06-28 JP JP49074177A patent/JPS5034441A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2284996A1 (fr) * | 1974-09-10 | 1976-04-09 | Licentia Gmbh | Aiguillage de filtrage composite pour la separation de deux signaux constitues chacun par deux bandes de frequence doublement polarisees |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1016203B (it) | 1977-05-30 |
| CA986595A (en) | 1976-03-30 |
| US3838362A (en) | 1974-09-24 |
| DE2431289A1 (de) | 1975-01-16 |
| FR2235500B1 (it) | 1980-12-05 |
| GB1470545A (en) | 1977-04-14 |
| JPS5034441A (it) | 1975-04-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |