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GB0414822D0 - Antenna for use in a mobile radio communication device - Google Patents

Antenna for use in a mobile radio communication device

Info

Publication number
GB0414822D0
GB0414822D0 GBGB0414822.7A GB0414822A GB0414822D0 GB 0414822 D0 GB0414822 D0 GB 0414822D0 GB 0414822 A GB0414822 A GB 0414822A GB 0414822 D0 GB0414822 D0 GB 0414822D0
Authority
GB
United Kingdom
Prior art keywords
antenna
communication device
radio communication
mobile radio
mobile
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.)
Granted
Application number
GBGB0414822.7A
Other versions
GB2418781A (en
GB2418781B (en
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to GB0414822A priority Critical patent/GB2418781B/en
Publication of GB0414822D0 publication Critical patent/GB0414822D0/en
Publication of GB2418781A publication Critical patent/GB2418781A/en
Application granted granted Critical
Publication of GB2418781B publication Critical patent/GB2418781B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08Helical antennas
    • H01Q11/083Tapered helical aerials, e.g. conical spiral aerials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08Helical antennas
    • H01Q5/0003
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364Creating multiple current paths
    • H01Q5/371Branching current paths
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Aerials (AREA)
GB0414822A 2004-07-02 2004-07-02 Antenna with dual helical portions for use in radio communications Expired - Fee Related GB2418781B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0414822A GB2418781B (en) 2004-07-02 2004-07-02 Antenna with dual helical portions for use in radio communications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0414822A GB2418781B (en) 2004-07-02 2004-07-02 Antenna with dual helical portions for use in radio communications

Publications (3)

Publication Number Publication Date
GB0414822D0 true GB0414822D0 (en) 2004-08-04
GB2418781A GB2418781A (en) 2006-04-05
GB2418781B GB2418781B (en) 2006-11-22

Family

ID=32843437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0414822A Expired - Fee Related GB2418781B (en) 2004-07-02 2004-07-02 Antenna with dual helical portions for use in radio communications

Country Status (1)

Country Link
GB (1) GB2418781B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2244333B1 (en) * 2009-04-24 2013-11-13 Spacecode RFID system
WO2011011928A1 (en) * 2009-07-31 2011-02-03 海能达通信股份有限公司 Dual frequency antenna with wide frequency
US8717252B2 (en) 2009-07-31 2014-05-06 Hytera Communications Corp., Ltd. Dual frequency antenna
US8681059B2 (en) 2011-06-22 2014-03-25 Motorola Solutions, Inc. Antenna configuration
JP2014093623A (en) * 2012-11-02 2014-05-19 Mitsumi Electric Co Ltd Antenna and antenna device including the same
CN109155454B (en) * 2016-05-16 2020-10-02 摩托罗拉解决方案公司 Dual contrawound antenna for communication equipment
EP3994765A1 (en) * 2019-05-10 2022-05-11 California Institute of Technology Electrically small self-resonant electro-quasistatic exciter and detector with canceled magnetic field

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3220815B2 (en) * 1992-07-29 2001-10-22 京セラ株式会社 antenna
AU680065B2 (en) * 1993-09-20 1997-07-17 Motorola, Inc. Antenna arrangement for a wireless communication device
WO1997018601A1 (en) * 1995-11-15 1997-05-22 Allgon Ab Dual band antenna means
FI102434B (en) * 1996-08-22 1998-11-30 Filtronic Lk Oy dual-frequency,
KR100406352B1 (en) * 2001-03-29 2003-11-28 삼성전기주식회사 Antenna and method for manufacture thereof

Also Published As

Publication number Publication date
GB2418781A (en) 2006-04-05
GB2418781B (en) 2006-11-22

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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)

Free format text: REGISTERED BETWEEN 20120419 AND 20120425

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220702