TW428342B - An antenna and a feed network for an antenna - Google Patents
An antenna and a feed network for an antennaInfo
- Publication number
- TW428342B TW428342B TW087104658A TW87104658A TW428342B TW 428342 B TW428342 B TW 428342B TW 087104658 A TW087104658 A TW 087104658A TW 87104658 A TW87104658 A TW 87104658A TW 428342 B TW428342 B TW 428342B
- Authority
- TW
- Taiwan
- Prior art keywords
- feed
- antenna
- feed network
- network
- disposed
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical 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
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82630997A | 1997-03-27 | 1997-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW428342B true TW428342B (en) | 2001-04-01 |
Family
ID=25246206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW087104658A TW428342B (en) | 1997-03-27 | 1998-05-21 | An antenna and a feed network for an antenna |
Country Status (12)
Country | Link |
---|---|
EP (2) | EP1524722B1 (zh) |
JP (2) | JP4477145B2 (zh) |
KR (1) | KR20010005605A (zh) |
CN (1) | CN1199320C (zh) |
AT (2) | ATE365986T1 (zh) |
AU (1) | AU6941198A (zh) |
CA (1) | CA2284673A1 (zh) |
DE (2) | DE69838008T2 (zh) |
ES (1) | ES2289429T3 (zh) |
HK (2) | HK1026306A1 (zh) |
TW (1) | TW428342B (zh) |
WO (1) | WO1998044590A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100574006C (zh) * | 2004-12-17 | 2009-12-23 | 宏达国际电子股份有限公司 | 螺旋式天线及螺旋式天线的制造方法 |
US7253787B2 (en) | 2004-11-25 | 2007-08-07 | High Tech Computer, Corp. | Helix antenna and method for manufacturing the same |
GB0623774D0 (en) | 2006-11-28 | 2007-01-10 | Sarantel Ltd | An Antenna Assembly Including a Dielectrically Loaded Antenna |
US8248323B2 (en) * | 2008-05-30 | 2012-08-21 | Motorola Solutions, Inc. | Antenna and method of forming same |
CN104781986B (zh) | 2012-11-12 | 2019-07-12 | 日本电气株式会社 | 天线和无线通信设备 |
US10693242B2 (en) | 2017-01-12 | 2020-06-23 | Huawei Technologies Co., Ltd. | Miniaturization of quad port helical antenna |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008479A (en) * | 1975-11-03 | 1977-02-15 | Chu Associates, Inc. | Dual-frequency circularly polarized spiral antenna for satellite navigation |
US4148030A (en) * | 1977-06-13 | 1979-04-03 | Rca Corporation | Helical antennas |
US4675690A (en) * | 1984-05-25 | 1987-06-23 | Revlon, Inc. | Conical spiral antenna |
FR2624656B1 (fr) * | 1987-12-10 | 1990-05-18 | Centre Nat Etd Spatiales | Antenne de type helice et son procede de realisation |
JP2832476B2 (ja) * | 1990-02-14 | 1998-12-09 | 望 長谷部 | ヘリカルアンテナ |
US5198831A (en) * | 1990-09-26 | 1993-03-30 | 501 Pronav International, Inc. | Personal positioning satellite navigator with printed quadrifilar helical antenna |
JP3328306B2 (ja) * | 1991-12-17 | 2002-09-24 | 株式会社トキメック | コニカルスパイラルアンテナ |
JPH0597104U (ja) * | 1992-05-27 | 1993-12-27 | 株式会社トーキン | 誘電体フィルタ |
JP3220815B2 (ja) * | 1992-07-29 | 2001-10-22 | 京セラ株式会社 | アンテナ |
JPH0766616A (ja) * | 1993-06-18 | 1995-03-10 | Takahito Nagase | 通信用アンテナ |
FR2711277B1 (fr) * | 1993-10-14 | 1995-11-10 | Alcatel Mobile Comm France | Antenne du type pour dispositif radio portable, procédé de fabrication d'une telle antenne et dispositif radio portable comportant une telle antenne. |
JP2701747B2 (ja) * | 1994-09-06 | 1998-01-21 | 日本電気株式会社 | ヘリカルアンテナ |
EP0715369B1 (en) * | 1994-12-01 | 1999-07-28 | Indian Space Research Organisation | A multiband antenna system |
US5581268A (en) * | 1995-08-03 | 1996-12-03 | Globalstar L.P. | Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal |
JPH0964624A (ja) * | 1995-08-21 | 1997-03-07 | Masanaga Kobayashi | アンテナ補助装置 |
US5990847A (en) * | 1996-04-30 | 1999-11-23 | Qualcomm Incorporated | Coupled multi-segment helical antenna |
US5872549A (en) * | 1996-04-30 | 1999-02-16 | Trw Inc. | Feed network for quadrifilar helix antenna |
US5986620A (en) * | 1996-07-31 | 1999-11-16 | Qualcomm Incorporated | Dual-band coupled segment helical antenna |
-
1998
- 1998-03-25 CA CA002284673A patent/CA2284673A1/en not_active Abandoned
- 1998-03-25 JP JP54177698A patent/JP4477145B2/ja not_active Expired - Fee Related
- 1998-03-25 ES ES04078530T patent/ES2289429T3/es not_active Expired - Lifetime
- 1998-03-25 DE DE69838008T patent/DE69838008T2/de not_active Expired - Lifetime
- 1998-03-25 AT AT04078530T patent/ATE365986T1/de not_active IP Right Cessation
- 1998-03-25 EP EP04078530A patent/EP1524722B1/en not_active Expired - Lifetime
- 1998-03-25 WO PCT/US1998/005873 patent/WO1998044590A1/en active IP Right Grant
- 1998-03-25 DE DE69828389T patent/DE69828389T2/de not_active Expired - Lifetime
- 1998-03-25 AT AT98915162T patent/ATE286308T1/de not_active IP Right Cessation
- 1998-03-25 KR KR1019997008669A patent/KR20010005605A/ko not_active Application Discontinuation
- 1998-03-25 CN CNB988037807A patent/CN1199320C/zh not_active Expired - Fee Related
- 1998-03-25 AU AU69411/98A patent/AU6941198A/en not_active Abandoned
- 1998-03-25 EP EP98915162A patent/EP0970540B1/en not_active Expired - Lifetime
- 1998-05-21 TW TW087104658A patent/TW428342B/zh not_active IP Right Cessation
-
2000
- 2000-07-11 HK HK00104271A patent/HK1026306A1/xx not_active IP Right Cessation
-
2005
- 2005-10-14 HK HK05109112A patent/HK1077404A1/xx not_active IP Right Cessation
-
2007
- 2007-05-31 JP JP2007146230A patent/JP4955461B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69838008D1 (de) | 2007-08-09 |
EP1524722A1 (en) | 2005-04-20 |
ES2289429T3 (es) | 2008-02-01 |
CA2284673A1 (en) | 1998-10-08 |
HK1077404A1 (en) | 2008-01-25 |
DE69828389D1 (de) | 2005-02-03 |
JP4477145B2 (ja) | 2010-06-09 |
AU6941198A (en) | 1998-10-22 |
JP4955461B2 (ja) | 2012-06-20 |
ATE365986T1 (de) | 2007-07-15 |
JP2007306585A (ja) | 2007-11-22 |
ATE286308T1 (de) | 2005-01-15 |
CN1199320C (zh) | 2005-04-27 |
CN1263641A (zh) | 2000-08-16 |
DE69838008T2 (de) | 2008-03-06 |
EP0970540B1 (en) | 2004-12-29 |
HK1026306A1 (en) | 2000-12-08 |
WO1998044590A1 (en) | 1998-10-08 |
EP1524722B1 (en) | 2007-06-27 |
KR20010005605A (ko) | 2001-01-15 |
DE69828389T2 (de) | 2005-12-15 |
EP0970540A1 (en) | 2000-01-12 |
JP2001518252A (ja) | 2001-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4A | Issue of patent certificate for granted invention patent | ||
MM4A | Annulment or lapse of patent due to non-payment of fees |