FI54665C - Radiofaelt vid ett radiolaenksystem - Google Patents
Radiofaelt vid ett radiolaenksystemInfo
- Publication number
- FI54665C FI54665C FI861/73A FI86173A FI54665C FI 54665 C FI54665 C FI 54665C FI 861/73 A FI861/73 A FI 861/73A FI 86173 A FI86173 A FI 86173A FI 54665 C FI54665 C FI 54665C
- Authority
- FI
- Finland
- Prior art keywords
- radiolaenksystem
- radiofaelt
- vid ett
- ett
- vid
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Filters And Equalizers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Transmission System (AREA)
- Waveguide Connection Structure (AREA)
- Transceivers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2213962A DE2213962C3 (de) | 1972-03-22 | 1972-03-22 | Funkfeld in einem Richtfunksystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI54665B FI54665B (fi) | 1978-09-29 |
| FI54665C true FI54665C (fi) | 1979-01-10 |
Family
ID=5839796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI861/73A FI54665C (fi) | 1972-03-22 | 1973-03-20 | Radiofaelt vid ett radiolaenksystem |
Country Status (19)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3928806A (en) * | 1974-11-08 | 1975-12-23 | Us Army | Power dividing and combining techniques for microwave amplifiers |
| US4029902A (en) * | 1975-10-22 | 1977-06-14 | Hughes Aircraft Company | Contiguous channel multiplexer |
| DE2628906C2 (de) * | 1976-06-28 | 1978-06-22 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Funkfeld in einer Richtfunkstrecke |
| GB1572401A (en) * | 1976-08-24 | 1980-07-30 | Rca Ltd | Traffic switching eg in communications satellites |
| BR8006228A (pt) * | 1979-01-29 | 1980-12-30 | Anaconda Co | Sistema de transmissao,processo de multiplexacao de portadora em multiplos canais de comunicacao sobre um unico meio de comunicacao processo de filtragem de receptor,processo de construcao de sistema de transmissao de portadora multiplexada em multiplos canais,filtro receptor,e sistema de transmissao telefonica de portadora multiplexada |
| DE3226728A1 (de) * | 1982-07-16 | 1984-01-19 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Mikrowellen-weichenanordnung mit sender- bzw. empfaengerersatzschaltung |
| US4688259A (en) * | 1985-12-11 | 1987-08-18 | Ford Aerospace & Communications Corporation | Reconfigurable multiplexer |
| DE3626862A1 (de) * | 1986-08-08 | 1988-02-11 | Philips Patentverwaltung | Mehrstufige sender- antennenkoppeleinrichtung |
| JP2538828Y2 (ja) * | 1986-11-27 | 1997-06-18 | シャープ株式会社 | 音量バランス制御装置 |
| JPH0525477Y2 (US07816562-20101019-C00012.png) * | 1987-09-14 | 1993-06-28 | ||
| FI79210C (fi) * | 1988-04-18 | 1989-11-10 | Nokia Mobile Phones Ltd | Foergreningsnaet i kedja foer en basstation i ett radiotelefonnaet. |
| US4933680A (en) * | 1988-09-29 | 1990-06-12 | Hughes Aircraft Company | Microstrip antenna system with multiple frequency elements |
| US5229729A (en) * | 1989-12-14 | 1993-07-20 | Murata Manufacturing Co., Ltd. | Radio frequency signal combining/sorting apparatus |
| US5327245A (en) * | 1992-02-11 | 1994-07-05 | Information Transmission Systems Corp. | Method and apparatus for combining adjacent channel television signals |
| GB2276040A (en) * | 1993-03-12 | 1994-09-14 | Matra Marconi Space Uk Ltd | Dielectric resonator demultiplexer |
| DE59408762D1 (de) * | 1993-07-08 | 1999-10-28 | Siemens Ag | Antennen-Filter-Combiner |
| FI96550C (fi) * | 1994-06-30 | 1996-07-10 | Nokia Telecommunications Oy | Summausverkko |
| US6008706A (en) * | 1998-09-09 | 1999-12-28 | Space Systems/Loral, Inc. | Wide band contiguous multiplexer having a contiguous diplexer |
| US6934562B1 (en) * | 1999-10-08 | 2005-08-23 | Bellsouth Intellectual Property Corporation | System for coupling a mobile radio service base station to an antenna |
| US11456515B2 (en) * | 2020-06-04 | 2022-09-27 | Raytheon Company | Reconfigurable wideband high-frequency filter using non-reciprocal circulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL277680A (US07816562-20101019-C00012.png) * | 1961-04-28 |
-
1972
- 1972-03-22 DE DE2213962A patent/DE2213962C3/de not_active Expired
-
1973
- 1973-02-19 GB GB796473A patent/GB1427629A/en not_active Expired
- 1973-02-27 IL IL41631A patent/IL41631A/en unknown
- 1973-03-02 CA CA165,125A patent/CA998440A/en not_active Expired
- 1973-03-05 AT AT193273A patent/AT322000B/de not_active IP Right Cessation
- 1973-03-06 AU AU52959/73A patent/AU470724B2/en not_active Expired
- 1973-03-07 CH CH330673A patent/CH549910A/xx not_active IP Right Cessation
- 1973-03-16 IT IT21706/73A patent/IT983568B/it active
- 1973-03-19 FR FR7309688A patent/FR2176849B1/fr not_active Expired
- 1973-03-20 FI FI861/73A patent/FI54665C/fi active
- 1973-03-20 YU YU00754/73A patent/YU75473A/xx unknown
- 1973-03-21 SE SE7303966A patent/SE382731B/xx unknown
- 1973-03-21 DK DK154773A patent/DK136198C/da active
- 1973-03-21 AR AR247177A patent/AR196925A1/es active
- 1973-03-22 BE BE129119A patent/BE797165A/xx unknown
- 1973-03-22 US US343854A patent/US3865990A/en not_active Expired - Lifetime
- 1973-03-22 NL NL737304065A patent/NL149347B/xx not_active IP Right Cessation
- 1973-03-22 BR BR732053A patent/BR7302053D0/pt unknown
- 1973-03-22 JP JP48033057A patent/JPS5212045B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2213962A1 (de) | 1973-09-27 |
| DK136198C (da) | 1978-03-28 |
| US3865990A (en) | 1975-02-11 |
| CH549910A (de) | 1974-05-31 |
| DE2213962B2 (de) | 1978-06-01 |
| GB1427629A (en) | 1976-03-10 |
| CA998440A (en) | 1976-10-12 |
| FR2176849A1 (US07816562-20101019-C00012.png) | 1973-11-02 |
| BE797165A (fr) | 1973-07-16 |
| BR7302053D0 (pt) | 1974-01-08 |
| DK136198B (da) | 1977-08-29 |
| SE382731B (sv) | 1976-02-09 |
| AU5295973A (en) | 1974-09-12 |
| JPS5212045B2 (US07816562-20101019-C00012.png) | 1977-04-04 |
| DE2213962C3 (de) | 1979-01-18 |
| IT983568B (it) | 1974-11-11 |
| FR2176849B1 (US07816562-20101019-C00012.png) | 1977-12-23 |
| AT322000B (de) | 1975-04-25 |
| IL41631A0 (en) | 1973-04-30 |
| FI54665B (fi) | 1978-09-29 |
| JPS4915304A (US07816562-20101019-C00012.png) | 1974-02-09 |
| NL7304065A (US07816562-20101019-C00012.png) | 1973-09-25 |
| AR196925A1 (es) | 1974-02-28 |
| YU75473A (en) | 1982-02-25 |
| IL41631A (en) | 1976-03-31 |
| AU470724B2 (en) | 1976-03-25 |
| NL149347B (nl) | 1976-04-15 |
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