EP2087552A4 - A small antenna with multifold resonances and multiple feeders - Google Patents

A small antenna with multifold resonances and multiple feeders

Info

Publication number: EP2087552A4
Authority: EP; European Patent Office
Prior art keywords: multifold; resonances; small antenna; multiple feeders; feeders
Prior art date: 2006-10-26
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.): Ceased

Application number

EP07833610.4A

Other languages

German (de)

French (fr)

Other versions

EP2087552A1 (en

Inventor

Je-Hoon Yun

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.)

Electronics and Telecommunications Research Institute ETRI

Original Assignee

Electronics and Telecommunications Research Institute ETRI

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.)

2006-10-26

Filing date

2007-10-26

Publication date

2013-11-06

2007-10-26 Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI

2009-08-12 Publication of EP2087552A1 publication Critical patent/EP2087552A1/en

2013-11-06 Publication of EP2087552A4 publication Critical patent/EP2087552A4/en

Status Ceased 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
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- 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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- 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
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- 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
- H01Q9/145—Length of element or elements adjustable by varying the electrical length

EP07833610.4A 2006-10-26 2007-10-26 A small antenna with multifold resonances and multiple feeders Ceased EP2087552A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
KR20060104643		2006-10-26
KR1020070107739A KR100954378B1 (en)	2006-10-26	2007-10-25	A Small Antenna with Multifold Resonances and Multiple feeders
PCT/KR2007/005301 WO2008051043A1 (en)	2006-10-26	2007-10-26	A small antenna with multifold resonances and multiple feeders

Publications (2)

Publication Number	Publication Date
EP2087552A1 EP2087552A1 (en)	2009-08-12
EP2087552A4 true EP2087552A4 (en)	2013-11-06

Family

ID=39646860

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07833610.4A Ceased EP2087552A4 (en)	2006-10-26	2007-10-26	A small antenna with multifold resonances and multiple feeders

Country Status (3)

Country	Link
EP (1)	EP2087552A4 (en)
KR (1)	KR100954378B1 (en)
WO (1)	WO2008051043A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
TW201503488A (en) *	2013-07-02	2015-01-16	Ming-Hao Yeh	Active antenna system with multiple feed ports and associated control met hod

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2317271A (en) *	1996-08-30	1998-03-18	Nec Corp	Multiple or broad band antenna element arrangement for a portable radio
JPH11163620A (en) *	1997-11-27	1999-06-18	Sharp Corp	Frequency switching antenna
WO2001029927A1 (en) *	1999-10-15	2001-04-26	Siemens Aktiengesellschaft	Switchable antenna
EP1633018A2 (en) *	2004-09-07	2006-03-08	LG Electronics Inc.	Antenna apparatus of mobile communications terminal and operation method thereof
US20060132360A1 (en) *	2004-10-15	2006-06-22	Caimi Frank M	Method and apparatus for adaptively controlling antenna parameters to enhance efficiency and maintain antenna size compactness

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6069587A (en)	1998-05-15	2000-05-30	Hughes Electronics Corporation	Multiband millimeterwave reconfigurable antenna using RF mem switches
JP4346964B2 (en)	2003-06-09	2009-10-21	峰光電子株式会社	Multifrequency T-shaped antenna
JP3903991B2 (en)	2004-01-23	2007-04-11	ソニー株式会社	Antenna device
US7050018B2 (en)	2004-09-07	2006-05-23	Machine Applications Corp.	Multi-band antenna system

2007
- 2007-10-25 KR KR1020070107739A patent/KR100954378B1/en not_active IP Right Cessation
- 2007-10-26 WO PCT/KR2007/005301 patent/WO2008051043A1/en active Application Filing
- 2007-10-26 EP EP07833610.4A patent/EP2087552A4/en not_active Ceased

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2317271A (en) *	1996-08-30	1998-03-18	Nec Corp	Multiple or broad band antenna element arrangement for a portable radio
JPH11163620A (en) *	1997-11-27	1999-06-18	Sharp Corp	Frequency switching antenna
WO2001029927A1 (en) *	1999-10-15	2001-04-26	Siemens Aktiengesellschaft	Switchable antenna
EP1633018A2 (en) *	2004-09-07	2006-03-08	LG Electronics Inc.	Antenna apparatus of mobile communications terminal and operation method thereof
US20060132360A1 (en) *	2004-10-15	2006-06-22	Caimi Frank M	Method and apparatus for adaptively controlling antenna parameters to enhance efficiency and maintain antenna size compactness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008051043A1 *

Also Published As

Publication number	Publication date
KR20080038032A (en)	2008-05-02
KR100954378B1 (en)	2010-04-26
EP2087552A1 (en)	2009-08-12
WO2008051043A1 (en)	2008-05-02

Legal Events

Date	Code	Title	Description
2009-07-10	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2009-08-12	17P	Request for examination filed	Effective date: 20090526
2009-08-12	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
2010-02-03	DAX	Request for extension of the european patent (deleted)
2013-11-06	A4	Supplementary search report drawn up and despatched	Effective date: 20131004
2013-11-06	RIC1	Information provided on ipc code assigned before grant	Ipc: H01Q 9/30 20060101AFI20130927BHEP Ipc: H01Q 5/00 20060101ALI20130927BHEP Ipc: H01Q 9/14 20060101ALI20130927BHEP
2014-07-16	17Q	First examination report despatched	Effective date: 20140617
2020-03-23	REG	Reference to a national code	Ref country code: DE Ref legal event code: R003
2020-07-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED
2020-08-05	18R	Application refused	Effective date: 20200323

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