GB2241832B - Antenna - Google Patents

Antenna

Info

Publication number
GB2241832B
GB2241832B GB9005767A GB9005767A GB2241832B GB 2241832 B GB2241832 B GB 2241832B GB 9005767 A GB9005767 A GB 9005767A GB 9005767 A GB9005767 A GB 9005767A GB 2241832 B GB2241832 B GB 2241832B
Authority
GB
United Kingdom
Prior art keywords
antenna
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.)
Revoked
Application number
GB9005767A
Other versions
GB2241832A (en
GB9005767D0 (en
Inventor
Alan Twelves
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.)
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC 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 STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical STC PLC
Publication of GB9005767D0 publication Critical patent/GB9005767D0/en
Priority to EP19910300177 priority Critical patent/EP0447018B1/en
Priority to DE69105224T priority patent/DE69105224T2/en
Publication of GB2241832A publication Critical patent/GB2241832A/en
Application granted granted Critical
Publication of GB2241832B publication Critical patent/GB2241832B/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0075—Stripline fed arrays
    • H01Q21/0081—Stripline fed arrays using suspended striplines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
GB9005767A 1990-03-07 1990-03-14 Antenna Revoked GB2241832B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19910300177 EP0447018B1 (en) 1990-03-14 1991-01-10 Antenna
DE69105224T DE69105224T2 (en) 1990-03-14 1991-01-10 Antenna.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9005146A GB2241831B (en) 1990-03-07 1990-03-07 Antenna

Publications (3)

Publication Number Publication Date
GB9005767D0 GB9005767D0 (en) 1990-05-09
GB2241832A GB2241832A (en) 1991-09-11
GB2241832B true GB2241832B (en) 1994-03-02

Family

ID=10672196

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9005146A Expired - Fee Related GB2241831B (en) 1990-03-07 1990-03-07 Antenna
GB9005767A Revoked GB2241832B (en) 1990-03-07 1990-03-14 Antenna

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9005146A Expired - Fee Related GB2241831B (en) 1990-03-07 1990-03-07 Antenna

Country Status (1)

Country Link
GB (2) GB2241831B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6175333B1 (en) 1999-06-24 2001-01-16 Nortel Networks Corporation Dual band antenna

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9410994D0 (en) * 1994-06-01 1994-07-20 Alan Dick & Company Limited Antennae
US5936579A (en) * 1994-06-09 1999-08-10 Zakrytoe Aktsionernoe Obschestvo Flant Planar antenna array and microstrip radiating element for planar antenna array
GB2300760A (en) * 1995-04-13 1996-11-13 Northern Telecom Ltd A layered antenna
GB2308012B (en) 1995-12-05 1999-11-17 Northern Telecom Ltd A radiation shielding device
US6388619B2 (en) 1999-11-02 2002-05-14 Nortel Networks Limited Dual band antenna
US6396441B2 (en) 1999-11-02 2002-05-28 Nortel Networks Limited Dual band antenna

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505097A1 (en) * 1981-05-04 1982-11-05 Labo Electronique Physique RADIATION ELEMENT OR CIRCULAR POLARIZATION HYPERFREQUENCY SIGNAL RECEIVER AND MICROWAVE PLANE ANTENNA COMPRISING A NETWORK OF SUCH ELEMENTS
ES2046211T3 (en) * 1986-06-05 1994-02-01 Emmanuel Rammos ANTENNA ELEMENT WITH A SUSPENDED MICRO-TAPE BETWEEN TWO MASS FLATS PERFORATED PERFORATED RADIANT HOLES, AND MANUFACTURING PROCEDURE.
US4829309A (en) * 1986-08-14 1989-05-09 Matsushita Electric Works, Ltd. Planar antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6175333B1 (en) 1999-06-24 2001-01-16 Nortel Networks Corporation Dual band antenna

Also Published As

Publication number Publication date
GB2241832A (en) 1991-09-11
GB9005146D0 (en) 1990-05-02
GB2241831B (en) 1994-05-25
GB9005767D0 (en) 1990-05-09
GB2241831A (en) 1991-09-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
773K Patent revoked under sect. 73(2)/1977