FR822696A - Systèmes de communications radioélectriques - Google Patents
Systèmes de communications radioélectriquesInfo
- Publication number
- FR822696A FR822696A FR822696DA FR822696A FR 822696 A FR822696 A FR 822696A FR 822696D A FR822696D A FR 822696DA FR 822696 A FR822696 A FR 822696A
- Authority
- FR
- France
- Prior art keywords
- communications systems
- radio communications
- radio
- systems
- communications
- 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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83683A US2133806A (en) | 1936-06-05 | 1936-06-05 | Radio communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR822696A true FR822696A (fr) | 1938-01-05 |
Family
ID=22179995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR822696D Expired FR822696A (fr) | 1936-06-05 | 1937-06-04 | Systèmes de communications radioélectriques |
Country Status (4)
Country | Link |
---|---|
US (1) | US2133806A (fr) |
CH (1) | CH237103A (fr) |
FR (1) | FR822696A (fr) |
GB (1) | GB487716A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2549867A (en) * | 1939-12-21 | 1951-04-24 | Hendrik C A Van Duuren | Antenna system |
-
1936
- 1936-06-05 US US83683A patent/US2133806A/en not_active Expired - Lifetime
-
1937
- 1937-05-04 GB GB12709/37A patent/GB487716A/en not_active Expired
- 1937-06-02 CH CH237103D patent/CH237103A/de unknown
- 1937-06-04 FR FR822696D patent/FR822696A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2133806A (en) | 1938-10-18 |
GB487716A (en) | 1938-06-24 |
CH237103A (de) | 1945-03-31 |
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