FR2129898B1 - - Google Patents
Info
- Publication number
- FR2129898B1 FR2129898B1 FR7109776A FR7109776A FR2129898B1 FR 2129898 B1 FR2129898 B1 FR 2129898B1 FR 7109776 A FR7109776 A FR 7109776A FR 7109776 A FR7109776 A FR 7109776A FR 2129898 B1 FR2129898 B1 FR 2129898B1
- 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.)
- 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
- H01Q3/2658—Phased-array fed focussing structure
-
- 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
- H04B7/204—Multiple access
- H04B7/2041—Spot beam multiple access
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7109776A FR2129898B1 (fr) | 1971-03-19 | 1971-03-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7109776A FR2129898B1 (fr) | 1971-03-19 | 1971-03-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2129898A1 FR2129898A1 (fr) | 1972-11-03 |
FR2129898B1 true FR2129898B1 (fr) | 1975-02-21 |
Family
ID=9073839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7109776A Expired FR2129898B1 (fr) | 1971-03-19 | 1971-03-19 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2129898B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2908031C2 (de) * | 1978-03-03 | 1982-08-19 | Nippon Telegraph & Telephone Public Corp., Tokyo | Satellitenrelaisanlage |
FR2682238B1 (fr) * | 1991-10-02 | 1994-10-07 | Alcatel Espace | Systeme de communications par satellites en orbite basse a destination de terminaux. |
US5668556A (en) * | 1991-10-02 | 1997-09-16 | Alcatel Espace | Low-orbit satellite communications system for terminals |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1523362A (fr) * | 1967-03-21 | 1968-05-03 | Csf | Perfectionnement aux antennes comportant un réseau circulaire de sources |
-
1971
- 1971-03-19 FR FR7109776A patent/FR2129898B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2129898A1 (fr) | 1972-11-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |