EP1335448A4 - Antenna device and portable terminal - Google Patents

Antenna device and portable terminal

Info

Publication number
EP1335448A4
EP1335448A4 EP00970214A EP00970214A EP1335448A4 EP 1335448 A4 EP1335448 A4 EP 1335448A4 EP 00970214 A EP00970214 A EP 00970214A EP 00970214 A EP00970214 A EP 00970214A EP 1335448 A4 EP1335448 A4 EP 1335448A4
Authority
EP
European Patent Office
Prior art keywords
portable terminal
antenna device
antenna
portable
terminal
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.)
Withdrawn
Application number
EP00970214A
Other languages
German (de)
French (fr)
Other versions
EP1335448A1 (en
Inventor
H Shoji
Y Imanishi
T Fukasawa
H Ohmine
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1335448A1 publication Critical patent/EP1335448A1/en
Publication of EP1335448A4 publication Critical patent/EP1335448A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
    • 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
    • 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
    • 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
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
EP00970214A 2000-10-31 2000-10-31 Antenna device and portable terminal Withdrawn EP1335448A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007637 WO2002039542A1 (en) 2000-10-31 2000-10-31 Antenna device and portable terminal

Publications (2)

Publication Number Publication Date
EP1335448A1 EP1335448A1 (en) 2003-08-13
EP1335448A4 true EP1335448A4 (en) 2004-12-15

Family

ID=11736639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00970214A Withdrawn EP1335448A4 (en) 2000-10-31 2000-10-31 Antenna device and portable terminal

Country Status (4)

Country Link
EP (1) EP1335448A4 (en)
JP (1) JPWO2002039542A1 (en)
CN (1) CN1229893C (en)
WO (1) WO2002039542A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004186931A (en) * 2002-12-03 2004-07-02 Ngk Spark Plug Co Ltd Antenna capable of coping with a plurality of frequency bands

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10107535A (en) * 1996-09-27 1998-04-24 Murata Mfg Co Ltd Surface mount antenna
EP0847103A2 (en) * 1996-12-04 1998-06-10 Kyocera Corporation Shared antenna and portable radio device using the same
US5898411A (en) * 1996-02-26 1999-04-27 Pacific Antenna Technologies, Inc. Single-element, multi-frequency, dipole antenna
EP0944128A1 (en) * 1998-03-18 1999-09-22 Murata Manufacturing Co., Ltd. Antenna apparatus and portable radio device using the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757618U (en) * 1980-09-20 1982-04-05
JPH10303637A (en) * 1997-04-25 1998-11-13 Harada Ind Co Ltd Tv antenna system for automobile
FR2772517B1 (en) * 1997-12-11 2000-01-07 Alsthom Cge Alcatel MULTIFREQUENCY ANTENNA MADE ACCORDING TO MICRO-TAPE TECHNIQUE AND DEVICE INCLUDING THIS ANTENNA
JP3467752B2 (en) * 1998-03-18 2003-11-17 Ｎｅｃトーキン株式会社 Mobile communication terminal and its antenna device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5898411A (en) * 1996-02-26 1999-04-27 Pacific Antenna Technologies, Inc. Single-element, multi-frequency, dipole antenna
JPH10107535A (en) * 1996-09-27 1998-04-24 Murata Mfg Co Ltd Surface mount antenna
EP0847103A2 (en) * 1996-12-04 1998-06-10 Kyocera Corporation Shared antenna and portable radio device using the same
EP0944128A1 (en) * 1998-03-18 1999-09-22 Murata Manufacturing Co., Ltd. Antenna apparatus and portable radio device using the same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 09 31 July 1998 (1998-07-31) *
See also references of WO0239542A1 *

Also Published As

Publication number Publication date
CN1415126A (en) 2003-04-30
WO2002039542A1 (en) 2002-05-16
EP1335448A1 (en) 2003-08-13
JPWO2002039542A1 (en) 2004-03-18
CN1229893C (en) 2005-11-30

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Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20021007

AK Designated contracting states

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RBV Designated contracting states (corrected)

Designated state(s): AT BE CH DE FR GB LI

A4 Supplementary search report drawn up and despatched

Effective date: 20041029

RIC1 Information provided on ipc code assigned before grant

Ipc: 7H 01Q 9/04 B

Ipc: 7H 01Q 1/38 B

Ipc: 7H 01Q 1/36 B

Ipc: 7H 01Q 1/24 A

17Q First examination report despatched

Effective date: 20050121

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MITSUBISHI DENKI KABUSHIKI KAISHA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20060612