GB2253949B - Radio Antennas - Google Patents

Radio Antennas

Info

Publication number
GB2253949B
GB2253949B GB9200999A GB9200999A GB2253949B GB 2253949 B GB2253949 B GB 2253949B GB 9200999 A GB9200999 A GB 9200999A GB 9200999 A GB9200999 A GB 9200999A GB 2253949 B GB2253949 B GB 2253949B
Authority
GB
United Kingdom
Prior art keywords
radio antennas
antennas
radio
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
GB9200999A
Other versions
GB2253949A (en
GB9200999D0 (en
Inventor
Howard Frank Bottomley
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.)
Antenna Products Ltd
Original Assignee
Antenna Products 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
Priority claimed from GB919105586A external-priority patent/GB9105586D0/en
Application filed by Antenna Products Ltd filed Critical Antenna Products Ltd
Priority to GB9200999A priority Critical patent/GB2253949B/en
Publication of GB9200999D0 publication Critical patent/GB9200999D0/en
Publication of GB2253949A publication Critical patent/GB2253949A/en
Application granted granted Critical
Publication of GB2253949B publication Critical patent/GB2253949B/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
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/084—Pivotable antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
GB9200999A 1991-03-16 1992-01-17 Radio Antennas Expired - Fee Related GB2253949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9200999A GB2253949B (en) 1991-03-16 1992-01-17 Radio Antennas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919105586A GB9105586D0 (en) 1991-03-16 1991-03-16 Radio antennas
GB9200999A GB2253949B (en) 1991-03-16 1992-01-17 Radio Antennas

Publications (3)

Publication Number Publication Date
GB9200999D0 GB9200999D0 (en) 1992-03-11
GB2253949A GB2253949A (en) 1992-09-23
GB2253949B true GB2253949B (en) 1995-08-09

Family

ID=26298596

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9200999A Expired - Fee Related GB2253949B (en) 1991-03-16 1992-01-17 Radio Antennas

Country Status (1)

Country Link
GB (1) GB2253949B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501551C2 (en) * 1992-10-29 1995-03-13 Allgon Ab Antenna device for portable equipment
SE9301761L (en) * 1993-05-24 1994-06-06 Allgon Ab Antenna device for portable communication equipment
GB2284101B (en) * 1993-11-17 1997-11-05 Antenna Products Ltd Coupling arrangement for radio frequency signals
GB2285180B (en) * 1993-12-22 1998-07-01 Nokia Mobile Phones Ltd Retractable antenna
US6008765A (en) * 1994-12-23 1999-12-28 Nokia Mobile Phones Limited Retractable top load antenna
JPH08330827A (en) * 1995-05-29 1996-12-13 Mitsubishi Electric Corp Antenna system
FI98165C (en) * 1995-06-05 1997-04-25 Lk Products Oy Dual function antenna
JP2795825B2 (en) * 1995-06-30 1998-09-10 エスエムケイ株式会社 Antenna device
US5583520A (en) * 1995-07-28 1996-12-10 Motorola, Inc. Matched input antenna for a portable radio
JP3674172B2 (en) * 1995-09-22 2005-07-20 三菱電機株式会社 Antenna device
US5812093A (en) * 1995-09-29 1998-09-22 Motorola, Inc. Antenna assembly for a wireless-communication device
JPH1032410A (en) * 1996-07-12 1998-02-03 Saitama Nippon Denki Kk Antenna for portable radio equipment
US5874921A (en) * 1996-09-20 1999-02-23 Ericsson, Inc. Antenna impedance matching network requiring no switch contacts
US6016431A (en) * 1997-04-29 2000-01-18 Ericsson Inc. Radiotelephones with integrated matching antenna systems
US6127979A (en) * 1998-02-27 2000-10-03 Motorola, Inc. Antenna adapted to operate in a plurality of frequency bands
US6301489B1 (en) 1998-12-21 2001-10-09 Ericsson Inc. Flat blade antenna and flip engagement and hinge configurations
US6249688B1 (en) 1998-12-21 2001-06-19 Ericcson Inc. Antenna electrical coupling configurations
US6232924B1 (en) 1998-12-21 2001-05-15 Ericsson Inc. Flat blade antenna and flip mounting structures
US6275198B1 (en) 2000-01-11 2001-08-14 Motorola, Inc. Wide band dual mode antenna

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121218A (en) * 1977-08-03 1978-10-17 Motorola, Inc. Adjustable antenna arrangement for a portable radio
EP0343465A2 (en) * 1988-05-26 1989-11-29 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Rotatable antenna with a bearing and a counterweight

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121218A (en) * 1977-08-03 1978-10-17 Motorola, Inc. Adjustable antenna arrangement for a portable radio
EP0343465A2 (en) * 1988-05-26 1989-11-29 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Rotatable antenna with a bearing and a counterweight

Also Published As

Publication number Publication date
GB2253949A (en) 1992-09-23
GB9200999D0 (en) 1992-03-11

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010117