DE69117222D1 - Weltraumnachrichtenübertragungssystem - Google Patents
WeltraumnachrichtenübertragungssystemInfo
- Publication number
- DE69117222D1 DE69117222D1 DE69117222T DE69117222T DE69117222D1 DE 69117222 D1 DE69117222 D1 DE 69117222D1 DE 69117222 T DE69117222 T DE 69117222T DE 69117222 T DE69117222 T DE 69117222T DE 69117222 D1 DE69117222 D1 DE 69117222D1
- Authority
- DE
- Germany
- Prior art keywords
- communications system
- space communications
- space
- 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 - Fee Related
Links
Classifications
-
- 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)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9008394A FR2664449B1 (fr) | 1990-07-03 | 1990-07-03 | Systeme spatial de telecommunications. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69117222D1 true DE69117222D1 (de) | 1996-03-28 |
DE69117222T2 DE69117222T2 (de) | 1996-07-04 |
Family
ID=9398281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1991617222 Expired - Fee Related DE69117222T2 (de) | 1990-07-03 | 1991-07-02 | Weltraumnachrichtenübertragungssystem |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0464765B1 (de) |
JP (1) | JPH04241527A (de) |
CA (1) | CA2046061A1 (de) |
DE (1) | DE69117222T2 (de) |
FR (1) | FR2664449B1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0738610B2 (ja) * | 1993-03-01 | 1995-04-26 | 日本電気株式会社 | 周回衛星の送信装置 |
GB2293725B (en) | 1994-07-22 | 1999-02-10 | Int Maritime Satellite Organiz | Satellite communication method and apparatus |
FR2735304B1 (fr) * | 1995-06-12 | 1997-07-11 | Alcatel Espace | Systeme de communication par satellites a defilement, satellite, station et terminal y inclus |
JPH10256974A (ja) * | 1997-03-14 | 1998-09-25 | Mitsubishi Electric Corp | 移動体衛星通信システム |
US20040066347A1 (en) * | 2002-06-25 | 2004-04-08 | Schiff Leonard Norman | Reducing service outages in a multibeam satellite system |
CN103336182B (zh) * | 2013-07-05 | 2015-10-07 | 中国计量科学研究院 | 一种基于场地插入损耗测量的天线相位中心标定系统 |
FR3062267B1 (fr) * | 2017-01-20 | 2020-10-02 | Airbus Defence & Space Sas | Architecture de charge utile d’un satellite de telecommunications |
CN113424365A (zh) | 2019-02-12 | 2021-09-21 | 维尔塞特公司 | 超低成本高性能的卫星孔径 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456988A (en) * | 1981-01-29 | 1984-06-26 | Kokusai Denshin Denwa Kabushiki Kaisha | Satellite repeater |
-
1990
- 1990-07-03 FR FR9008394A patent/FR2664449B1/fr not_active Expired - Fee Related
-
1991
- 1991-07-02 EP EP91110938A patent/EP0464765B1/de not_active Expired - Lifetime
- 1991-07-02 CA CA 2046061 patent/CA2046061A1/fr not_active Abandoned
- 1991-07-02 DE DE1991617222 patent/DE69117222T2/de not_active Expired - Fee Related
- 1991-07-02 JP JP16172391A patent/JPH04241527A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0464765B1 (de) | 1996-02-21 |
DE69117222T2 (de) | 1996-07-04 |
FR2664449A1 (fr) | 1992-01-10 |
JPH04241527A (ja) | 1992-08-28 |
FR2664449B1 (fr) | 1994-03-25 |
EP0464765A1 (de) | 1992-01-08 |
CA2046061A1 (fr) | 1992-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |