IT1240810B - Sistema di puntamento fine per antenna a riflettore, particolarmente idoneo per applicazioni spaziali. - Google Patents
Sistema di puntamento fine per antenna a riflettore, particolarmente idoneo per applicazioni spaziali.Info
- Publication number
- IT1240810B IT1240810B IT47799A IT4779990A IT1240810B IT 1240810 B IT1240810 B IT 1240810B IT 47799 A IT47799 A IT 47799A IT 4779990 A IT4779990 A IT 4779990A IT 1240810 B IT1240810 B IT 1240810B
- Authority
- IT
- Italy
- Prior art keywords
- particularly suitable
- reflector antenna
- space applications
- pointing system
- fine pointing
- Prior art date
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
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/20—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/125—Means for positioning
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT47799A IT1240810B (it) | 1990-03-28 | 1990-03-28 | Sistema di puntamento fine per antenna a riflettore, particolarmente idoneo per applicazioni spaziali. |
DE69124275T DE69124275T2 (de) | 1990-03-28 | 1991-03-24 | Feinausrichtsystem zum Fokussieren einer Reflektorantenne |
EP91104612A EP0449158B1 (en) | 1990-03-28 | 1991-03-24 | Fine pointing system of a reflector type focussing antenna |
US07/677,625 US5229781A (en) | 1990-03-28 | 1991-03-28 | Fine pointing system for reflector type antennas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT47799A IT1240810B (it) | 1990-03-28 | 1990-03-28 | Sistema di puntamento fine per antenna a riflettore, particolarmente idoneo per applicazioni spaziali. |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9047799A0 IT9047799A0 (it) | 1990-03-28 |
IT9047799A1 IT9047799A1 (it) | 1991-09-28 |
IT1240810B true IT1240810B (it) | 1993-12-17 |
Family
ID=11262581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47799A IT1240810B (it) | 1990-03-28 | 1990-03-28 | Sistema di puntamento fine per antenna a riflettore, particolarmente idoneo per applicazioni spaziali. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5229781A (it) |
EP (1) | EP0449158B1 (it) |
DE (1) | DE69124275T2 (it) |
IT (1) | IT1240810B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5945960A (en) * | 1996-12-02 | 1999-08-31 | Space Systems/Loral, Inc. | Method and apparatus for reconfiguring antenna radiation patterns |
US6492955B1 (en) | 2001-10-02 | 2002-12-10 | Ems Technologies Canada, Ltd. | Steerable antenna system with fixed feed source |
CA2410751C (en) * | 2002-11-01 | 2010-03-16 | Pacific Telescope Corp. | Apparatus and method for stabilizing an optical tube on a base |
US7883446B2 (en) * | 2007-04-25 | 2011-02-08 | Bravo Sports | Trampoline enclosure with access door |
US8800935B2 (en) | 2011-03-09 | 2014-08-12 | Space Systems/Loral, Llc | Spacecraft payload positioning with respect to a virtual pivot point |
US20120274507A1 (en) * | 2011-04-28 | 2012-11-01 | Jaafar Cherkaoui | Architecture and method for optimal tracking of multiple broadband satellite terminals in support of in theatre and rapid deployment applications |
EP3109937A4 (en) * | 2014-02-17 | 2017-10-18 | Nec Corporation | Antenna device and antenna device control method |
FR3091421B1 (fr) * | 2018-12-28 | 2021-04-30 | Thales Sa | Antenne multifaisceaux à pointage réglable |
WO2022251294A1 (en) * | 2021-05-28 | 2022-12-01 | Freefall Aerospace, Inc. | Spherical reflector antenna having waveguide feed system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696432A (en) * | 1971-01-15 | 1972-10-03 | Motorola Inc | Combined scan and track antennas |
US4070678A (en) * | 1976-04-02 | 1978-01-24 | Raytheon Company | Wide angle scanning antenna assembly |
JPS58129805A (ja) * | 1982-01-28 | 1983-08-03 | Toshiba Corp | アンテナ装置 |
US4550319A (en) * | 1982-09-22 | 1985-10-29 | Rca Corporation | Reflector antenna mounted in thermal distortion isolation |
JPS59112703A (ja) * | 1982-12-19 | 1984-06-29 | Nippon Telegr & Teleph Corp <Ntt> | アンテナ駆動装置 |
JPS6174402A (ja) * | 1984-09-20 | 1986-04-16 | Nec Corp | 空中線装置 |
US4862185A (en) * | 1988-04-05 | 1989-08-29 | The Boeing Company | Variable wide angle conical scanning antenna |
FR2646023B1 (fr) * | 1989-04-18 | 1991-06-14 | Europ Agence Spatiale | Dispositif de pointage d'antenne, satellite equipe d'un tel dispositif et procede de pointage d'antenne utilisant un tel dispositif |
-
1990
- 1990-03-28 IT IT47799A patent/IT1240810B/it active IP Right Grant
-
1991
- 1991-03-24 DE DE69124275T patent/DE69124275T2/de not_active Expired - Lifetime
- 1991-03-24 EP EP91104612A patent/EP0449158B1/en not_active Expired - Lifetime
- 1991-03-28 US US07/677,625 patent/US5229781A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5229781A (en) | 1993-07-20 |
IT9047799A0 (it) | 1990-03-28 |
DE69124275T2 (de) | 1997-08-21 |
EP0449158A2 (en) | 1991-10-02 |
DE69124275D1 (de) | 1997-03-06 |
EP0449158B1 (en) | 1997-01-22 |
IT9047799A1 (it) | 1991-09-28 |
EP0449158A3 (en) | 1992-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970117 |