HK131194A - Antenna structure used in portable radio device - Google Patents

Antenna structure used in portable radio device

Info

Publication number
HK131194A
HK131194A HK131194A HK131194A HK131194A HK 131194 A HK131194 A HK 131194A HK 131194 A HK131194 A HK 131194A HK 131194 A HK131194 A HK 131194A HK 131194 A HK131194 A HK 131194A
Authority
HK
Hong Kong
Prior art keywords
antenna structure
radio device
structure used
portable radio
portable
Prior art date
Application number
HK131194A
Other languages
English (en)
Inventor
Takashi Oda
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 HK131194A publication Critical patent/HK131194A/xx

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
HK131194A 1988-07-05 1994-11-24 Antenna structure used in portable radio device HK131194A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK131194A true HK131194A (en) 1994-12-02

Family

ID=15863186

Family Applications (1)

Application Number Title Priority Date Filing Date
HK131194A HK131194A (en) 1988-07-05 1994-11-24 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

Family Cites Families (7)

* 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
JP2624257B2 (ja) * 1987-06-29 1997-06-25 日本電気株式会社 無線機用アンテナ

Also Published As

Publication number Publication date
DE68915347D1 (de) 1994-06-23
EP0350006A2 (fr) 1990-01-10
JPH02124604A (ja) 1990-05-11
AU625874B2 (en) 1992-07-16
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
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)