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GB2335798B - Enhanced bandwidth antennas - Google Patents

Enhanced bandwidth antennas

Info

Publication number
GB2335798B
GB2335798B GB9806507A GB9806507A GB2335798B GB 2335798 B GB2335798 B GB 2335798B GB 9806507 A GB9806507 A GB 9806507A GB 9806507 A GB9806507 A GB 9806507A GB 2335798 B GB2335798 B GB 2335798B
Authority
GB
United Kingdom
Prior art keywords
enhanced bandwidth
bandwidth antennas
antennas
enhanced
bandwidth
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
GB9806507A
Other versions
GB9806507D0 (en
GB2335798A (en
Inventor
Olaf Rostbakken
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.)
NEC Technologies UK Ltd
Original Assignee
NEC Technologies UK 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 NEC Technologies UK Ltd filed Critical NEC Technologies UK Ltd
Priority to GB9806507A priority Critical patent/GB2335798B/en
Publication of GB9806507D0 publication Critical patent/GB9806507D0/en
Publication of GB2335798A publication Critical patent/GB2335798A/en
Application granted granted Critical
Publication of GB2335798B publication Critical patent/GB2335798B/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
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable
    • 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
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Waveguide Aerials (AREA)
GB9806507A 1998-03-26 1998-03-26 Enhanced bandwidth antennas Expired - Fee Related GB2335798B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9806507A GB2335798B (en) 1998-03-26 1998-03-26 Enhanced bandwidth antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9806507A GB2335798B (en) 1998-03-26 1998-03-26 Enhanced bandwidth antennas

Publications (3)

Publication Number Publication Date
GB9806507D0 GB9806507D0 (en) 1998-05-27
GB2335798A GB2335798A (en) 1999-09-29
GB2335798B true GB2335798B (en) 2003-01-29

Family

ID=10829327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9806507A Expired - Fee Related GB2335798B (en) 1998-03-26 1998-03-26 Enhanced bandwidth antennas

Country Status (1)

Country Link
GB (1) GB2335798B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7048300A (en) * 1999-09-10 2001-04-17 Avantego Ab Antenna arrangement
SE516293C2 (en) * 2000-03-02 2001-12-17 Allgon Ab A broadband, multi-band internal antenna device and a portable radio communication device comprising such an antenna device.
EP1465287A4 (en) * 2001-12-04 2005-02-02 Matsushita Electric Industrial Co Ltd Antenna and apparatus comprising this antenna
WO2005022689A1 (en) 2003-08-27 2005-03-10 Matsushita Electric Industrial Co., Ltd. Antenna and method for making the same
SE0302979D0 (en) 2003-11-12 2003-11-12 Amc Centurion Ab Antenna device and portable radio communication device including such an antenna device
FR2864353B1 (en) * 2003-12-23 2006-08-04 Sagem ANTENNA WITH SURFACE (S) RADIANT (S) PLANE (S) MULTIBAND AND PORTABLE TELEPHONE HAVING SUCH ANTENNA.
US20050153658A1 (en) * 2004-01-12 2005-07-14 Nagy Louis L. Multiplexed self-structuring antenna system
SE528017C2 (en) 2004-02-02 2006-08-08 Amc Centurion Ab Antenna device and portable radio communication device including such antenna device
US7190325B2 (en) 2004-02-18 2007-03-13 Delphi Technologies, Inc. Dynamic frequency selective surfaces
KR100652667B1 (en) 2004-09-07 2006-12-06 엘지전자 주식회사 Built-in antenna control device of mobile communication terminal and control method thereof
FR2889360B1 (en) * 2005-03-04 2007-09-14 Sagem RADIANT SURFACE (S) TYPE A (S) ANTENNA (S) COMMUNABLE (S) AND MOBILE COMMUNICATION TERMINAL COMPRISING SAID ANTENNA
FR2882874B1 (en) * 2005-03-07 2007-05-11 Sagem ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT
KR100714634B1 (en) * 2005-08-25 2007-05-07 삼성전기주식회사 Resonant frequency variable antenna device
US8380132B2 (en) 2005-09-14 2013-02-19 Delphi Technologies, Inc. Self-structuring antenna with addressable switch controller
US7558555B2 (en) 2005-11-17 2009-07-07 Delphi Technologies, Inc. Self-structuring subsystems for glass antenna
US8583197B2 (en) * 2007-12-12 2013-11-12 Broadcom Corporation Method and system for sharing antennas for high frequency and low frequency applications
EP2178167A1 (en) * 2008-10-17 2010-04-21 Epcos AG Antenna and method for operating an antenna
CN102349193A (en) * 2009-01-14 2012-02-08 莫列斯公司 Adaptive antenna array

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233156A (en) * 1981-03-11 1991-01-02 Secr Defence Electromagnetic radiation sensors
US5394159A (en) * 1993-11-02 1995-02-28 At&T Corp. Microstrip patch antenna with embedded detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233156A (en) * 1981-03-11 1991-01-02 Secr Defence Electromagnetic radiation sensors
US5394159A (en) * 1993-11-02 1995-02-28 At&T Corp. Microstrip patch antenna with embedded detector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AP-S International Symposium 1986 Digest. Antennas and Propogation (Cat No 86CH2325-9) pp 361-364 *

Also Published As

Publication number Publication date
GB9806507D0 (en) 1998-05-27
GB2335798A (en) 1999-09-29

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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: 20040326

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040326