AU4291399A - Directional antenna with electromagnetic interference suppressor - Google Patents

Directional antenna with electromagnetic interference suppressor Download PDF

Info

Publication number
AU4291399A
AU4291399A AU42913/99A AU4291399A AU4291399A AU 4291399 A AU4291399 A AU 4291399A AU 42913/99 A AU42913/99 A AU 42913/99A AU 4291399 A AU4291399 A AU 4291399A AU 4291399 A AU4291399 A AU 4291399A
Authority
AU
Australia
Prior art keywords
antenna
electromagnetic interference
interference suppressor
holder
suppressor
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.)
Abandoned
Application number
AU42913/99A
Other languages
English (en)
Inventor
Kazuo Minegishi
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.)
Tokin Corp
Original Assignee
NEC Tokin Corp
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 Tokin Corp filed Critical NEC Tokin Corp
Publication of AU4291399A publication Critical patent/AU4291399A/en
Assigned to NEC TOKIN CORPORATION reassignment NEC TOKIN CORPORATION Amend patent request/document other than specification (104) Assignors: TOKIN CORPORATION
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/08Means for collapsing antennas or parts thereof
    • H01Q1/10Telescopic elements
    • 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
    • H01Q1/243Supports; 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
    • H01Q1/244Supports; 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 extendable from a housing along a given path
    • 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
    • H01Q1/245Supports; 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 means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aerials With Secondary Devices (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
AU42913/99A 1998-01-27 1999-06-29 Directional antenna with electromagnetic interference suppressor Abandoned AU4291399A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10013877A JPH11214912A (ja) 1998-01-27 1998-01-27 指向性アンテナ
PCT/JP1999/003493 WO2001001519A1 (fr) 1998-01-27 1999-06-29 Antenne directionnelle a suppresseur d'interferences electromagnetiques

Publications (1)

Publication Number Publication Date
AU4291399A true AU4291399A (en) 2001-01-31

Family

ID=26349736

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42913/99A Abandoned AU4291399A (en) 1998-01-27 1999-06-29 Directional antenna with electromagnetic interference suppressor

Country Status (8)

Country Link
EP (1) EP1111717A1 (fr)
JP (1) JPH11214912A (fr)
CN (1) CN1315065A (fr)
AU (1) AU4291399A (fr)
CA (1) CA2339844A1 (fr)
NO (1) NO20011014L (fr)
TW (1) TW466799B (fr)
WO (1) WO2001001519A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10512407A (ja) * 1995-01-05 1998-11-24 ビッカート,ポール,フランシス 携帯無線通信装置用アンテナ
JPH0946756A (ja) * 1995-07-29 1997-02-14 Toru Ito 携帯電話のアンテナカバー
JPH0993034A (ja) * 1995-09-22 1997-04-04 Tokin Corp 複合磁性体及びその製造方法ならびに電磁干渉抑制体
JPH09294104A (ja) * 1996-04-25 1997-11-11 Sony Corp アンテナ装置及び携帯無線機

Also Published As

Publication number Publication date
CA2339844A1 (fr) 2001-01-04
JPH11214912A (ja) 1999-08-06
EP1111717A1 (fr) 2001-06-27
NO20011014D0 (no) 2001-02-27
TW466799B (en) 2001-12-01
CN1315065A (zh) 2001-09-26
NO20011014L (no) 2001-04-10
WO2001001519A1 (fr) 2001-01-04

Similar Documents

Publication Publication Date Title
US5805112A (en) Extra antenna element
US10509994B1 (en) Ring for use in near field communication (NFC) and method of making same
WO1994019841A1 (fr) Ecran anti-rayonnement
US5650789A (en) Retractable antenna system
US5999142A (en) Antenna for portable radio sets having reflecting plate
KR102067517B1 (ko) 전자 기기 및 안테나 장치
US20030117339A1 (en) Composite antenna apparatus
JPH04220851A (ja) コードレス電話装置
US20040198415A1 (en) Mobile phone of reducing radiation injury
EP1111717A1 (fr) Antenne directionnelle a suppresseur d'interferences electromagnetiques
US6114999A (en) Field controlled resonator
KR20010106437A (ko) 전자 간섭 억제체를 포함하는 지향성 안테나
US4404564A (en) Attachment for antennas to improve reception and transmission
EP0801820B1 (fr) Antenne perfectionnee pour dispositif de communication radio portable
CN2160997Y (zh) 手提无线移动电话定向辐射天线
KR102622085B1 (ko) 코어 파손 방지 구조의 안테나
US6222491B1 (en) Antenna assembly
JP4037703B2 (ja) 内蔵アンテナ及び無線機
KR200268498Y1 (ko) 커플링 슬롯을 갖는 무선통신 단말기용 안테나
JP3415519B2 (ja) ヘリカルアンテナ
KR100346573B1 (ko) 이동통신 단말기의 전자파 감소장치
KR940011486B1 (ko) 경사적으로 접힌 모노폴 안테나
JPH0344203A (ja) アンテナ
KR200288331Y1 (ko) 휴대용 무선통신기기의 헬리컬 안테나
EP1064692A1 (fr) Dispositif d'antenne pourvu d'un organe de fixation magnetique et d'un organe de couplage de mise a la terre pouvant fonctionner a des frequences multiples

Legal Events

Date Code Title Description
TC Change of applicant's name (sec. 104)

Owner name: NEC TOKIN CORPORATION

Free format text: FORMER NAME: TOKIN CORPORATION

MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period