GB2250135B - Automatic feed horn - Google Patents

Automatic feed horn

Info

Publication number
GB2250135B
GB2250135B GB9023542A GB9023542A GB2250135B GB 2250135 B GB2250135 B GB 2250135B GB 9023542 A GB9023542 A GB 9023542A GB 9023542 A GB9023542 A GB 9023542A GB 2250135 B GB2250135 B GB 2250135B
Authority
GB
United Kingdom
Prior art keywords
automatic feed
feed horn
horn
automatic
feed
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
Application number
GB9023542A
Other versions
GB2250135A (en
GB9023542D0 (en
Inventor
James Owen Mccormack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GLASNOST INTERNATIONAL PLC
SHERATON INVESTMENTS Ltd
ZETA TECH Ltd
Original Assignee
GLASNOST INTERNATIONAL PLC
SHERATON INVESTMENTS Ltd
ZETA TECH Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GLASNOST INTERNATIONAL PLC, SHERATON INVESTMENTS Ltd, ZETA TECH Ltd filed Critical GLASNOST INTERNATIONAL PLC
Priority to GB9023542A priority Critical patent/GB2250135B/en
Publication of GB9023542D0 publication Critical patent/GB9023542D0/en
Publication of GB2250135A publication Critical patent/GB2250135A/en
Application granted granted Critical
Publication of GB2250135B publication Critical patent/GB2250135B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01Q3/18—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 movable and the reflecting device is fixed
GB9023542A 1990-10-30 1990-10-30 Automatic feed horn Expired - Fee Related GB2250135B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9023542A GB2250135B (en) 1990-10-30 1990-10-30 Automatic feed horn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9023542A GB2250135B (en) 1990-10-30 1990-10-30 Automatic feed horn

Publications (3)

Publication Number Publication Date
GB9023542D0 GB9023542D0 (en) 1990-12-12
GB2250135A GB2250135A (en) 1992-05-27
GB2250135B true GB2250135B (en) 1994-11-02

Family

ID=10684544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023542A Expired - Fee Related GB2250135B (en) 1990-10-30 1990-10-30 Automatic feed horn

Country Status (1)

Country Link
GB (1) GB2250135B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328842A1 (en) * 1992-09-03 1994-05-05 Super Sat Electronic Handels G Satellite receiver antenna arrangement - moves linearly in dependence on receiver skew function to optimal reception position
DE4231228A1 (en) * 1992-09-18 1994-05-19 Matthias Frank Antenna driver for reception from several geostationary satellites - incorporates horn and polariser carrier driven by DC motor along threaded spindle between magnetic limit-of-travel switches
GB9224293D0 (en) * 1992-11-19 1993-01-06 Zeta Tech Ltd Improvements in or relating to automatic feed horns
GB2283367A (en) * 1993-10-14 1995-05-03 Steven Vause Hessel Antenna for satellite signals
WO1996002953A1 (en) * 1994-07-20 1996-02-01 Commonwealth Scientific And Industrial Research Organisation Feed movement mechanism and control system for a multibeam antenna
AU689283B2 (en) * 1994-07-20 1998-03-26 Commonwealth Scientific And Industrial Research Organisation Feed movement mechanism and control system for a multibeam antenna
GB2307350A (en) * 1995-11-13 1997-05-21 Daewoo Electronics Co Ltd Adjusting the elevation angle of a feed horn of a parabolic antenna
GB9824800D0 (en) * 1998-11-12 1999-01-06 Marconi Electronic Syst Ltd Scanning of electromagnetic beams

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742527A (en) * 1951-12-11 1955-12-30 British Thomson Houston Co Ltd Improvements in and relating to radar apparatus
GB1272570A (en) * 1968-10-17 1972-05-03 Marconi Co Ltd Improvements in or relating to automatic tracking radio equipments
GB2023939A (en) * 1978-06-22 1980-01-03 Sperry Rand Corp Antenna assemblies for circular scanning
EP0013221A1 (en) * 1978-12-22 1980-07-09 Thomson-Csf Radar scanning antenna, in particular for a tracking radar
GB2205996A (en) * 1987-05-13 1988-12-21 British Broadcasting Corp Microwave lens and array antenna
GB2227610A (en) * 1989-01-31 1990-08-01 Televes Sa Dish aerial system
GB2231445A (en) * 1989-04-18 1990-11-14 Anthony Edgar Sale Aerial system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742527A (en) * 1951-12-11 1955-12-30 British Thomson Houston Co Ltd Improvements in and relating to radar apparatus
GB1272570A (en) * 1968-10-17 1972-05-03 Marconi Co Ltd Improvements in or relating to automatic tracking radio equipments
GB2023939A (en) * 1978-06-22 1980-01-03 Sperry Rand Corp Antenna assemblies for circular scanning
EP0013221A1 (en) * 1978-12-22 1980-07-09 Thomson-Csf Radar scanning antenna, in particular for a tracking radar
GB2205996A (en) * 1987-05-13 1988-12-21 British Broadcasting Corp Microwave lens and array antenna
GB2227610A (en) * 1989-01-31 1990-08-01 Televes Sa Dish aerial system
GB2231445A (en) * 1989-04-18 1990-11-14 Anthony Edgar Sale Aerial system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Antennas" by Krauss,John Daniel,1988,pages 594-601,606 and 607. *

Also Published As

Publication number Publication date
GB2250135A (en) 1992-05-27
GB9023542D0 (en) 1990-12-12

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951030