GB2418781B - Antenna with dual helical portions for use in radio communications - Google Patents

Antenna with dual helical portions for use in radio communications

Info

Publication number
GB2418781B
GB2418781B GB0414822A GB0414822A GB2418781B GB 2418781 B GB2418781 B GB 2418781B GB 0414822 A GB0414822 A GB 0414822A GB 0414822 A GB0414822 A GB 0414822A GB 2418781 B GB2418781 B GB 2418781B
Authority
GB
United Kingdom
Prior art keywords
antenna
radio communications
helical portions
dual helical
dual
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
GB0414822A
Other versions
GB0414822D0 (en
GB2418781A (en
Inventor
Ovadia Grossman
Moshe Ben-Ayun
Mark Rozental
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 GB0414822D0 (en) 2004-08-04
GB2418781A GB2418781A (en) 2006-04-05
GB2418781B true 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8681059B2 (en) 2011-06-22 2014-03-25 Motorola Solutions, Inc. Antenna configuration
CN109155454A (en) * 2016-05-16 2019-01-04 摩托罗拉解决方案公司 Dual back-roll antenna for communication equipment

Families Citing this family (5)

* 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
JP2014093623A (en) * 2012-11-02 2014-05-19 Mitsumi Electric Co Ltd Antenna and antenna device including the same
WO2020231755A1 (en) * 2019-05-10 2020-11-19 California Institute Of Technology Electrically small self-resonant electro-quasistatic exciter and detector with canceled magnetic field

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0653730A (en) * 1992-07-29 1994-02-25 Kyocera Corp Antenna
WO1997018601A1 (en) * 1995-11-15 1997-05-22 Allgon Ab Dual band antenna means
EP0825672A2 (en) * 1996-08-22 1998-02-25 Lk-Products Oy A dual frequency antenna
US5995050A (en) * 1993-09-20 1999-11-30 Motorola, Inc. Antenna arrangement for a wireless communication device
GB2374465A (en) * 2001-03-29 2002-10-16 Samsung Electro Mech Dual helix antenna and manufacturing methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0653730A (en) * 1992-07-29 1994-02-25 Kyocera Corp Antenna
US5995050A (en) * 1993-09-20 1999-11-30 Motorola, Inc. Antenna arrangement for a wireless communication device
WO1997018601A1 (en) * 1995-11-15 1997-05-22 Allgon Ab Dual band antenna means
EP0825672A2 (en) * 1996-08-22 1998-02-25 Lk-Products Oy A dual frequency antenna
GB2374465A (en) * 2001-03-29 2002-10-16 Samsung Electro Mech Dual helix antenna and manufacturing methods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8681059B2 (en) 2011-06-22 2014-03-25 Motorola Solutions, Inc. Antenna configuration
CN109155454A (en) * 2016-05-16 2019-01-04 摩托罗拉解决方案公司 Dual back-roll antenna for communication equipment

Also Published As

Publication number Publication date
GB0414822D0 (en) 2004-08-04
GB2418781A (en) 2006-04-05

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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