DE69826341D1 - Vorrichtung zur Antennenstrahlbildung für Multiplexkanäle - Google Patents
Vorrichtung zur Antennenstrahlbildung für MultiplexkanäleInfo
- Publication number
- DE69826341D1 DE69826341D1 DE69826341T DE69826341T DE69826341D1 DE 69826341 D1 DE69826341 D1 DE 69826341D1 DE 69826341 T DE69826341 T DE 69826341T DE 69826341 T DE69826341 T DE 69826341T DE 69826341 D1 DE69826341 D1 DE 69826341D1
- Authority
- DE
- Germany
- Prior art keywords
- antenna beam
- beam formation
- multiplex channels
- multiplex
- channels
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0018—Space- fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/192—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with dual offset reflectors
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9701153A FR2759204B1 (fr) | 1997-02-03 | 1997-02-03 | Unite de formation de faisceau de canaux multiplexes |
FR9701153 | 1997-02-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69826341D1 true DE69826341D1 (de) | 2004-10-28 |
DE69826341T2 DE69826341T2 (de) | 2005-03-17 |
Family
ID=9503232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69826341T Expired - Fee Related DE69826341T2 (de) | 1997-02-03 | 1998-01-29 | Vorrichtung zur Antennenstrahlbildung für Multiplexkanäle |
Country Status (6)
Country | Link |
---|---|
US (1) | US6023248A (de) |
EP (1) | EP0856908B1 (de) |
JP (1) | JPH10294703A (de) |
CA (1) | CA2226334A1 (de) |
DE (1) | DE69826341T2 (de) |
FR (1) | FR2759204B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6314293B1 (en) | 2000-01-27 | 2001-11-06 | Verizon Laboratories Inc. | Probabilistic use of wireless reserve channels for admission control |
DE102008011350A1 (de) * | 2008-02-27 | 2009-09-03 | Loeffler Technology Gmbh | Vorrichtung und Verfahren zur Echtzeiterfassung von elektromagnetischer THz-Strahlung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3631503A (en) * | 1969-05-02 | 1971-12-28 | Hughes Aircraft Co | High-performance distributionally integrated subarray antenna |
US4236161A (en) * | 1978-09-18 | 1980-11-25 | Bell Telephone Laboratories, Incorporated | Array feed for offset satellite antenna |
US4355314A (en) * | 1980-11-28 | 1982-10-19 | Bell Telephone Laboratories, Incorporated | Wide-field-of-view antenna arrangement |
US4343005A (en) * | 1980-12-29 | 1982-08-03 | Ford Aerospace & Communications Corporation | Microwave antenna system having enhanced band width and reduced cross-polarization |
US4479129A (en) * | 1981-09-10 | 1984-10-23 | George Skahill | Directive antenna system employing a paraboloidal main dish and ellipsoidal subdish |
US4415901A (en) * | 1981-09-21 | 1983-11-15 | Bell Telephone Laboratories, Incorporated | Low power beam switchable antenna arrangement |
US4595929A (en) * | 1982-04-13 | 1986-06-17 | Communications Satellite Corporation | Scheme for aberration correction in scanning or multiple beam confocal antenna system |
US4482897A (en) * | 1982-06-28 | 1984-11-13 | At&T Bell Laboratories | Multibeam segmented reflector antennas |
FR2685551B1 (fr) * | 1991-12-23 | 1994-01-28 | Alcatel Espace | Antenne active "offset" a double reflecteurs. |
JP2882183B2 (ja) * | 1992-04-24 | 1999-04-12 | ケイディディ株式会社 | アンテナ装置 |
FR2709877B1 (fr) * | 1993-08-04 | 1995-10-13 | Alcatel Espace | Antenne active à balayage électronique en azimut et en élévation, en particulier pour l'imagerie hyperfréquence par satellite. |
-
1997
- 1997-02-03 FR FR9701153A patent/FR2759204B1/fr not_active Expired - Fee Related
-
1998
- 1998-01-29 EP EP98400184A patent/EP0856908B1/de not_active Expired - Lifetime
- 1998-01-29 DE DE69826341T patent/DE69826341T2/de not_active Expired - Fee Related
- 1998-02-02 CA CA002226334A patent/CA2226334A1/fr not_active Abandoned
- 1998-02-02 US US09/017,168 patent/US6023248A/en not_active Expired - Fee Related
- 1998-02-03 JP JP10022401A patent/JPH10294703A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69826341T2 (de) | 2005-03-17 |
CA2226334A1 (fr) | 1998-08-03 |
EP0856908B1 (de) | 2004-09-22 |
JPH10294703A (ja) | 1998-11-04 |
FR2759204A1 (fr) | 1998-08-07 |
FR2759204B1 (fr) | 1999-02-26 |
EP0856908A1 (de) | 1998-08-05 |
US6023248A (en) | 2000-02-08 |
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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 |