AU625874B2 - Antenna structure used in portable radio device - Google Patents

Antenna structure used in portable radio device Download PDF

Info

Publication number
AU625874B2
AU625874B2 AU37900/89A AU3790089A AU625874B2 AU 625874 B2 AU625874 B2 AU 625874B2 AU 37900/89 A AU37900/89 A AU 37900/89A AU 3790089 A AU3790089 A AU 3790089A AU 625874 B2 AU625874 B2 AU 625874B2
Authority
AU
Australia
Prior art keywords
antenna
radio device
battery
loop antenna
conductor
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.)
Ceased
Application number
AU37900/89A
Other languages
English (en)
Other versions
AU3790089A (en
Inventor
Takashi Oda
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.)
NEC Corp
Original Assignee
NEC 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 Corp filed Critical NEC Corp
Publication of AU3790089A publication Critical patent/AU3790089A/en
Application granted granted Critical
Publication of AU625874B2 publication Critical patent/AU625874B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Support Of Aerials (AREA)
  • Mobile Radio Communication Systems (AREA)
AU37900/89A 1988-07-05 1989-07-05 Antenna structure used in portable radio device Ceased AU625874B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-168175 1988-07-05
JP16817588 1988-07-05

Publications (2)

Publication Number Publication Date
AU3790089A AU3790089A (en) 1990-01-11
AU625874B2 true AU625874B2 (en) 1992-07-16

Family

ID=15863186

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37900/89A Ceased AU625874B2 (en) 1988-07-05 1989-07-05 Antenna structure used in portable radio device

Country Status (7)

Country Link
EP (1) EP0350006B1 (fr)
JP (1) JPH0812970B2 (fr)
KR (1) KR920007133B1 (fr)
AU (1) AU625874B2 (fr)
CA (1) CA1328310C (fr)
DE (1) DE68915347T2 (fr)
HK (1) HK131194A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69015739T2 (de) * 1989-08-29 1995-08-17 Nippon Electric Co Antennensystem für tragbares Funkgerät.
US5255001A (en) * 1989-08-29 1993-10-19 Nec Corporation Antenna system for portable radio apparatus
FR2721756B1 (fr) * 1994-06-24 1996-08-23 Telediffusion Fse Système d'antennes d'émission-réception omnidirectionnel à diversité angulaire et de polarisation.
FR2724492B1 (fr) * 1994-09-09 1996-11-22 Telediffusion Fse Systeme d'antennes d'emission-reception omnidirectionnel multipolarisation a diagramme de rayonnement sensiblement circulaire
DE69707024T2 (de) * 1996-01-02 2002-06-20 Texas Instruments Deutschland Gmbh Passive x-y-z Antenne für ein Antwortsendegerät
JP5613589B2 (ja) * 2010-03-19 2014-10-29 パナソニック株式会社 無線機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU609360B2 (en) * 1987-06-29 1991-04-26 Nec Corporation Antenna for portable radio communication apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1056673B (de) * 1957-04-26 1959-05-06 Marconi Wireless Telegraph Co Zirkularpolarisierte Antennenanordnung
JPS562707A (en) * 1979-06-21 1981-01-13 Tdk Corp Antenna
DE3100313A1 (de) * 1981-01-08 1982-08-12 Müllerschön, Wolfgang, 7441 Altenriet Doppelrahmenantenne mit teleskopstab und kombination von zwei doppelrahmenantennen mit jeweiligem teleskopstab
JPS61123303A (ja) * 1984-11-20 1986-06-11 Matsushita Electric Ind Co Ltd 小形無線機のアンテナ
JP2841358B2 (ja) * 1986-05-16 1998-12-24 日本電気株式会社 補助アンテナ
JPS62196432U (fr) * 1986-06-03 1987-12-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU609360B2 (en) * 1987-06-29 1991-04-26 Nec Corporation Antenna for portable radio communication apparatus

Also Published As

Publication number Publication date
DE68915347D1 (de) 1994-06-23
EP0350006A2 (fr) 1990-01-10
HK131194A (en) 1994-12-02
JPH02124604A (ja) 1990-05-11
AU3790089A (en) 1990-01-11
DE68915347T2 (de) 1994-08-25
CA1328310C (fr) 1994-04-05
EP0350006B1 (fr) 1994-05-18
KR920007133B1 (en) 1992-08-27
EP0350006A3 (en) 1990-10-24
JPH0812970B2 (ja) 1996-02-07

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired