FR951028A - Systèmes de couplage d'antennes radioélectriques - Google Patents
Systèmes de couplage d'antennes radioélectriquesInfo
- Publication number
- FR951028A FR951028A FR951028DA FR951028A FR 951028 A FR951028 A FR 951028A FR 951028D A FR951028D A FR 951028DA FR 951028 A FR951028 A FR 951028A
- Authority
- FR
- France
- Prior art keywords
- radio antenna
- antenna coupling
- coupling systems
- systems
- radio
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/034—Duplexers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transmitters (AREA)
- Near-Field Transmission Systems (AREA)
- Transceivers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US542278A US2485606A (en) | 1944-06-27 | 1944-06-27 | Protective coupling circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR951028A true FR951028A (fr) | 1949-10-13 |
Family
ID=24163100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR951028D Expired FR951028A (fr) | 1944-06-27 | 1947-08-05 | Systèmes de couplage d'antennes radioélectriques |
Country Status (3)
Country | Link |
---|---|
US (1) | US2485606A (fr) |
ES (1) | ES181919A1 (fr) |
FR (1) | FR951028A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738418A (en) * | 1942-03-09 | 1956-03-13 | English Electric Valve Co Ltd | Transmission control devices adapted as a switch |
US2617924A (en) * | 1945-03-08 | 1952-11-11 | Clarence W Jones | Wide frequency band transmitreceive switch |
GB690684A (en) * | 1948-07-27 | 1953-04-29 | Gen Electric Co Ltd | Improvements in and relating to electric filter systems |
US2753454A (en) * | 1952-10-31 | 1956-07-03 | Rca Corp | Electronic circuit protection systems |
US2921185A (en) * | 1954-07-02 | 1960-01-12 | Garoff Kenton | Wave guide duplexing system |
US3069635A (en) * | 1958-09-26 | 1962-12-18 | Siemens And Halske Ag Berlin A | Filter arrangement for very short electro-magnetic waves |
GB916486A (en) * | 1959-03-11 | 1963-01-23 | Gen Electric Co Ltd | Improvements in or relating to non-reciprocal coupling arrangements for radio frequency signals |
US3327215A (en) * | 1964-09-18 | 1967-06-20 | Motorola Inc | Electronic circuit for selectively connecting a transmitter and a receiver to a single antenna |
US3411114A (en) * | 1965-04-30 | 1968-11-12 | Allen Bradley Co | Microwave transmission-line t-filters |
US3800222A (en) * | 1972-09-07 | 1974-03-26 | Motorola Inc | Radio frequency switch employing reed switches and a quarter wave line |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1073624A (en) * | 1909-09-20 | 1913-09-23 | Marconi Wireless Telegraph Co America | Breaking means for radiotelegraphy. |
US2401717A (en) * | 1938-01-11 | 1946-06-04 | Rca Corp | Signaling system |
US2412161A (en) * | 1941-12-01 | 1946-12-03 | Gen Electric | Transmission system |
US2438367A (en) * | 1942-10-24 | 1948-03-23 | Gen Electric | Transmitter-receiver switching system |
US2412315A (en) * | 1943-06-23 | 1946-12-10 | Rca Corp | Radio transmitter-receiver automatic switching system |
US2425379A (en) * | 1943-09-04 | 1947-08-12 | Rca Corp | Transmission line circuit |
-
1944
- 1944-06-27 US US542278A patent/US2485606A/en not_active Expired - Lifetime
-
1947
- 1947-08-05 FR FR951028D patent/FR951028A/fr not_active Expired
-
1948
- 1948-01-29 ES ES0181919A patent/ES181919A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2485606A (en) | 1949-10-25 |
ES181919A1 (es) | 1948-03-01 |
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