IS3435A7 - Fjarskiptakerfi fyrir hreyfanlega hluti, með notkun gervihnattar - Google Patents
Fjarskiptakerfi fyrir hreyfanlega hluti, með notkun gervihnattarInfo
- Publication number
- IS3435A7 IS3435A7 IS3435A IS3435A IS3435A7 IS 3435 A7 IS3435 A7 IS 3435A7 IS 3435 A IS3435 A IS 3435A IS 3435 A IS3435 A IS 3435A IS 3435 A7 IS3435 A7 IS 3435A7
- Authority
- IS
- Iceland
- Prior art keywords
- telecommunications systems
- motion components
- satellite use
- satellites
- satellite
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
-
- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18576—Satellite systems for providing narrowband data service to fixed or mobile stations, e.g. using a minisatellite, a microsatellite
-
- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/195—Non-synchronous stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8802632A FR2628274B1 (fr) | 1988-03-02 | 1988-03-02 | Systeme de communications avec des mobiles a l'aide de satellites |
Publications (2)
Publication Number | Publication Date |
---|---|
IS3435A7 true IS3435A7 (is) | 1989-09-03 |
IS1470B6 IS1470B6 (is) | 1991-09-24 |
Family
ID=9363829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IS3435A IS1470B6 (is) | 1988-03-02 | 1989-02-20 | Fjarskiptakerfi fyrir hreyfanlega hluti, með notkun gervihnattar |
Country Status (16)
Country | Link |
---|---|
US (1) | US4943808A (is) |
EP (1) | EP0331567B1 (is) |
JP (1) | JPH01272235A (is) |
KR (1) | KR960012482B1 (is) |
AT (1) | ATE89441T1 (is) |
AU (1) | AU614336B2 (is) |
BR (1) | BR8900949A (is) |
CA (1) | CA1306289C (is) |
DE (1) | DE68906430T2 (is) |
DK (1) | DK99189A (is) |
ES (1) | ES2041424T3 (is) |
FI (1) | FI98173C (is) |
FR (1) | FR2628274B1 (is) |
IS (1) | IS1470B6 (is) |
MC (1) | MC2017A1 (is) |
NO (1) | NO177029C (is) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5327572A (en) * | 1990-03-06 | 1994-07-05 | Motorola, Inc. | Networked satellite and terrestrial cellular radiotelephone systems |
US5433726A (en) * | 1991-04-22 | 1995-07-18 | Trw Inc. | Medium-earth-altitude satellite-based cellular telecommunications system |
US5439190A (en) * | 1991-04-22 | 1995-08-08 | Trw Inc. | Medium-earth-altitude satellite-based cellular telecommunications |
DE69218023T2 (de) * | 1991-04-22 | 1997-07-10 | Trw Inc | Zellulares Telefonsatellitensystem |
DE4135034C2 (de) * | 1991-10-23 | 1995-04-13 | Deutsche Forsch Luft Raumfahrt | Einrichtung zur Bahnkontrolle von mindestens zwei kopositionierten geostationären Satelliten |
EP0935349A3 (en) * | 1991-10-28 | 1999-09-08 | Teledesic LLC | Satellite communication system |
FR2685833B1 (fr) * | 1991-12-26 | 1994-02-11 | Agence Spatiale Europeenne | Reseau de satellites de communication. |
US5278863A (en) * | 1992-04-10 | 1994-01-11 | Cd Radio Incorporated | Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites |
US5788187A (en) * | 1992-06-02 | 1998-08-04 | Mobile Communications Holdings, Inc. | Elliptical orbit satellite, system, and deployment with controllable coverage characteristics |
US5582367A (en) * | 1992-06-02 | 1996-12-10 | Mobile Communications Holdings, Inc. | Elliptical orbit satellite, system, and deployment with controllable coverage characteristics |
US5931417A (en) * | 1992-06-02 | 1999-08-03 | Mobile Communications Holdings, Inc. | Non-geostationary orbit satellite constellation for continuous coverage of northern latitudes above 25° and its extension to global coverage tailored to the distribution of populated land masses on earth |
JP2997610B2 (ja) * | 1993-07-07 | 2000-01-11 | 三菱電機株式会社 | 移動体衛星通信システム |
US5500648A (en) * | 1993-08-11 | 1996-03-19 | Motorola, Inc. | Geolocation responsive radio telecommunication system and method therefor |
IT1261940B (it) * | 1993-09-24 | 1996-06-04 | Alenia Spazio Spa | Sistema per telecomunicazioni e telerilevamento via satellite basato sull'uso di orbite eliosincrone ellittiche di breve periodo. |
US6400926B1 (en) | 1994-06-22 | 2002-06-04 | Ericsson Ge Mobile Communications Inc. | Radiocommunication system using geostationary and non-geostationary satellites |
US5641134A (en) * | 1994-12-27 | 1997-06-24 | Motorola, Inc. | Satellite cellular telephone and data communication system at an inclined orbit |
US5592471A (en) * | 1995-04-21 | 1997-01-07 | Cd Radio Inc. | Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems |
US5894590A (en) * | 1995-07-31 | 1999-04-13 | Motorola, Inc. | Independent satellite-based communications systems sharing common frequency spectrum and method of operation thereof |
US6223019B1 (en) | 1996-03-14 | 2001-04-24 | Sirius Satellite Radio Inc. | Efficient high latitude service area satellite mobile broadcasting systems |
US6226493B1 (en) | 1996-05-31 | 2001-05-01 | Motorola, Inc. | Geosynchronous satellite communication system and method |
US5890679A (en) * | 1996-09-26 | 1999-04-06 | Loral Aerospace Corp. | Medium earth orbit communication satellite system |
US5925092A (en) * | 1996-12-02 | 1999-07-20 | Motorola, Inc. | Satellite cluster with synchronized payload processors and method for use in space-based systems |
US6023616A (en) * | 1998-03-10 | 2000-02-08 | Cd Radio Inc. | Satellite broadcast receiver system |
JPH10256974A (ja) * | 1997-03-14 | 1998-09-25 | Mitsubishi Electric Corp | 移動体衛星通信システム |
KR20010012194A (ko) * | 1997-05-02 | 2001-02-15 | 유에스씨엑스 | 고위도 정지궤도 위성 시스템 |
US6695259B1 (en) | 1997-05-21 | 2004-02-24 | Hitachi, Ltd. | Communication system, communication receiving device and communication terminal in the system |
JP3477115B2 (ja) | 1999-03-16 | 2003-12-10 | 株式会社日立製作所 | 衛星を介して放送を行う方法、衛星放送システム、衛星放送基地局および衛星放送端末 |
JP3153496B2 (ja) | 1997-05-21 | 2001-04-09 | 株式会社日立製作所 | 天頂方向での滞在時間が長い人工衛星を用いた通信サービス提供方法 |
US6019318A (en) * | 1997-06-16 | 2000-02-01 | Hugehs Electronics Corporation | Coordinatable system of inclined geosynchronous satellite orbits |
US6135389A (en) * | 1998-03-16 | 2000-10-24 | Hughes Electronics Corporation | Subterranean target steering strategy |
US20030189136A1 (en) * | 1998-05-20 | 2003-10-09 | Toshihide Maeda | Communication system, communication receiving device and communication terminal in the system |
US6327523B2 (en) | 1999-01-21 | 2001-12-04 | Hughes Electronics Corporation | Overhead system of inclined eccentric geosynchronous orbitting satellites |
US6442385B1 (en) * | 1999-11-04 | 2002-08-27 | Xm Satellite Radio, Inc. | Method and apparatus for selectively operating satellites in tundra orbits to reduce receiver buffering requirements for time diversity signals |
US6851651B2 (en) * | 2002-02-15 | 2005-02-08 | Lockheed Martin Corporation | Constellation of spacecraft, and broadcasting method using said constellation |
US7051980B2 (en) * | 2002-02-26 | 2006-05-30 | Lockheed Martin Corporation | Efficient orbit sparing system for space vehicle constellations |
US10467783B2 (en) * | 2018-02-23 | 2019-11-05 | ExoAnalytic Solutions, Inc. | Visualization interfaces for real-time identification, tracking, and prediction of space objects |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3145207A1 (de) * | 1981-02-28 | 1982-09-23 | Siemens AG, 1000 Berlin und 8000 München | Fernmeldesatellitensystem mit geostationaeren positionsschleifen |
DE3426851C1 (de) * | 1984-07-20 | 1985-10-17 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn | Satelliten-Navigationssystem |
US4854527A (en) * | 1985-07-19 | 1989-08-08 | Draim John E | Tetrahedral multi-satellite continuous-coverage constellation |
-
1988
- 1988-03-02 FR FR8802632A patent/FR2628274B1/fr not_active Expired - Lifetime
-
1989
- 1989-02-14 US US07/309,888 patent/US4943808A/en not_active Expired - Fee Related
- 1989-02-15 MC MC892033A patent/MC2017A1/xx unknown
- 1989-02-20 IS IS3435A patent/IS1470B6/is unknown
- 1989-02-23 AU AU30266/89A patent/AU614336B2/en not_active Ceased
- 1989-02-27 AT AT89400538T patent/ATE89441T1/de not_active IP Right Cessation
- 1989-02-27 ES ES198989400538T patent/ES2041424T3/es not_active Expired - Lifetime
- 1989-02-27 DE DE89400538T patent/DE68906430T2/de not_active Expired - Fee Related
- 1989-02-27 EP EP89400538A patent/EP0331567B1/fr not_active Expired - Lifetime
- 1989-02-28 NO NO890852A patent/NO177029C/no unknown
- 1989-03-01 CA CA000592476A patent/CA1306289C/en not_active Expired - Fee Related
- 1989-03-01 BR BR898900949A patent/BR8900949A/pt not_active IP Right Cessation
- 1989-03-01 DK DK099189A patent/DK99189A/da not_active Application Discontinuation
- 1989-03-01 FI FI890976A patent/FI98173C/fi not_active IP Right Cessation
- 1989-03-02 KR KR1019890002640A patent/KR960012482B1/ko not_active IP Right Cessation
- 1989-03-02 JP JP1050949A patent/JPH01272235A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE68906430D1 (de) | 1993-06-17 |
KR890015528A (ko) | 1989-10-30 |
NO890852D0 (no) | 1989-02-28 |
NO177029B (no) | 1995-03-27 |
FI98173C (fi) | 1997-04-25 |
FI890976A (fi) | 1989-09-03 |
DK99189D0 (da) | 1989-03-01 |
FR2628274B1 (fr) | 1990-08-10 |
ATE89441T1 (de) | 1993-05-15 |
NO177029C (no) | 1995-07-05 |
KR960012482B1 (ko) | 1996-09-20 |
BR8900949A (pt) | 1989-10-24 |
JPH01272235A (ja) | 1989-10-31 |
US4943808A (en) | 1990-07-24 |
IS1470B6 (is) | 1991-09-24 |
MC2017A1 (fr) | 1990-02-16 |
FI98173B (fi) | 1997-01-15 |
DE68906430T2 (de) | 1993-11-04 |
FR2628274A1 (fr) | 1989-09-08 |
NO890852L (no) | 1989-09-04 |
EP0331567A1 (fr) | 1989-09-06 |
CA1306289C (en) | 1992-08-11 |
AU3026689A (en) | 1989-09-07 |
ES2041424T3 (es) | 1993-11-16 |
FI890976A0 (fi) | 1989-03-01 |
AU614336B2 (en) | 1991-08-29 |
DK99189A (da) | 1989-09-03 |
EP0331567B1 (fr) | 1993-05-12 |
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