GB2229321B - Antennas - Google Patents

Antennas

Info

Publication number
GB2229321B
GB2229321B GB9001970A GB9001970A GB2229321B GB 2229321 B GB2229321 B GB 2229321B GB 9001970 A GB9001970 A GB 9001970A GB 9001970 A GB9001970 A GB 9001970A GB 2229321 B GB2229321 B GB 2229321B
Authority
GB
United Kingdom
Prior art keywords
antennas
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
GB9001970A
Other versions
GB2229321A (en
GB9001970D0 (en
Inventor
Henry Roy Smith
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.)
HR Smith Technical Developments Ltd
Original Assignee
HR Smith Technical Developments 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 HR Smith Technical Developments Ltd filed Critical HR Smith Technical Developments Ltd
Publication of GB9001970D0 publication Critical patent/GB9001970D0/en
Publication of GB2229321A publication Critical patent/GB2229321A/en
Application granted granted Critical
Publication of GB2229321B publication Critical patent/GB2229321B/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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
GB9001970A 1989-01-31 1990-01-26 Antennas Expired - Fee Related GB2229321B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898902085A GB8902085D0 (en) 1989-01-31 1989-01-31 Protecting antennas

Publications (3)

Publication Number Publication Date
GB9001970D0 GB9001970D0 (en) 1990-03-28
GB2229321A GB2229321A (en) 1990-09-19
GB2229321B true GB2229321B (en) 1993-05-12

Family

ID=10650879

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898902085A Pending GB8902085D0 (en) 1989-01-31 1989-01-31 Protecting antennas
GB9001970A Expired - Fee Related GB2229321B (en) 1989-01-31 1990-01-26 Antennas

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898902085A Pending GB8902085D0 (en) 1989-01-31 1989-01-31 Protecting antennas

Country Status (1)

Country Link
GB (2) GB8902085D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU708520B2 (en) * 1995-06-02 1999-08-05 Ericsson Inc. Printed monopole antenna
US5709832A (en) * 1995-06-02 1998-01-20 Ericsson Inc. Method of manufacturing a printed antenna
US5649350A (en) * 1995-10-18 1997-07-22 Ericsson Inc. Method of mass producing printed circuit antennas

Also Published As

Publication number Publication date
GB8902085D0 (en) 1989-03-22
GB2229321A (en) 1990-09-19
GB9001970D0 (en) 1990-03-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000126