AU3790089A - Antenna structure used in portable radio device - Google Patents
Antenna structure used in portable radio deviceInfo
- Publication number
- AU3790089A AU3790089A AU37900/89A AU3790089A AU3790089A AU 3790089 A AU3790089 A AU 3790089A AU 37900/89 A AU37900/89 A AU 37900/89A AU 3790089 A AU3790089 A AU 3790089A AU 3790089 A AU3790089 A AU 3790089A
- Authority
- AU
- Australia
- Prior art keywords
- antenna structure
- radio device
- structure used
- portable radio
- portable
- 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.)
- Granted
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
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 true AU3790089A (en) | 1990-01-11 |
AU625874B2 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 (en) |
JP (1) | JPH0812970B2 (en) |
KR (1) | KR920007133B1 (en) |
AU (1) | AU625874B2 (en) |
CA (1) | CA1328310C (en) |
DE (1) | DE68915347T2 (en) |
HK (1) | HK131194A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2919024B2 (en) * | 1989-08-29 | 1999-07-12 | 日本電気株式会社 | Antenna for portable radio |
US5255001A (en) * | 1989-08-29 | 1993-10-19 | Nec Corporation | Antenna system for portable radio apparatus |
FR2721756B1 (en) * | 1994-06-24 | 1996-08-23 | Telediffusion Fse | Omnidirectional transmitting and receiving antenna system with angular diversity and polarization. |
FR2724492B1 (en) * | 1994-09-09 | 1996-11-22 | Telediffusion Fse | MULTIPOLARIZATION OMNIDIRECTIONAL TRANSMISSION ANTENNA SYSTEM WITH SUBSTANTIALLY CIRCULAR RADIATION DIAGRAM |
DE69707024T2 (en) * | 1996-01-02 | 2002-06-20 | Texas Instruments Deutschland | Passive x-y-z antenna for an answering device |
JP5613589B2 (en) * | 2010-03-19 | 2014-10-29 | パナソニック株式会社 | transceiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056673B (en) * | 1957-04-26 | 1959-05-06 | Marconi Wireless Telegraph Co | Circularly polarized antenna arrangement |
JPS562707A (en) * | 1979-06-21 | 1981-01-13 | Tdk Corp | Antenna |
DE3100313A1 (en) * | 1981-01-08 | 1982-08-12 | Müllerschön, Wolfgang, 7441 Altenriet | Double frame antenna with a telescopic rod, and a combination of two double frame antennas each with a telescopic rod |
JPS61123303A (en) * | 1984-11-20 | 1986-06-11 | Matsushita Electric Ind Co Ltd | Antenna of small-sized radio equipment |
JP2841358B2 (en) * | 1986-05-16 | 1998-12-24 | 日本電気株式会社 | Auxiliary antenna |
JPS62196432U (en) * | 1986-06-03 | 1987-12-14 | ||
JP2624257B2 (en) * | 1987-06-29 | 1997-06-25 | 日本電気株式会社 | Radio antenna |
-
1989
- 1989-07-04 JP JP1173846A patent/JPH0812970B2/en not_active Expired - Lifetime
- 1989-07-04 CA CA 604693 patent/CA1328310C/en not_active Expired - Fee Related
- 1989-07-05 AU AU37900/89A patent/AU625874B2/en not_active Ceased
- 1989-07-05 EP EP19890112272 patent/EP0350006B1/en not_active Expired - Lifetime
- 1989-07-05 KR KR8909530A patent/KR920007133B1/en not_active IP Right Cessation
- 1989-07-05 DE DE1989615347 patent/DE68915347T2/en not_active Expired - Fee Related
-
1994
- 1994-11-24 HK HK131194A patent/HK131194A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE68915347D1 (en) | 1994-06-23 |
EP0350006A2 (en) | 1990-01-10 |
EP0350006A3 (en) | 1990-10-24 |
KR920007133B1 (en) | 1992-08-27 |
JPH02124604A (en) | 1990-05-11 |
EP0350006B1 (en) | 1994-05-18 |
HK131194A (en) | 1994-12-02 |
DE68915347T2 (en) | 1994-08-25 |
JPH0812970B2 (en) | 1996-02-07 |
AU625874B2 (en) | 1992-07-16 |
CA1328310C (en) | 1994-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |