SG78395A1 - Two-resonance helical antenna capable of suppressing fluctuation in electric characteristic without restriction in size of a helical coil - Google Patents
Two-resonance helical antenna capable of suppressing fluctuation in electric characteristic without restriction in size of a helical coilInfo
- Publication number
- SG78395A1 SG78395A1 SG1999004685A SG1999004685A SG78395A1 SG 78395 A1 SG78395 A1 SG 78395A1 SG 1999004685 A SG1999004685 A SG 1999004685A SG 1999004685 A SG1999004685 A SG 1999004685A SG 78395 A1 SG78395 A1 SG 78395A1
- Authority
- SG
- Singapore
- Prior art keywords
- restriction
- size
- electric characteristic
- antenna capable
- resonance
- 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
- H01Q1/12—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
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
-
- 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
- H01Q9/27—Spiral antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10271726A JP2000101331A (ja) | 1998-09-25 | 1998-09-25 | 2共振ヘリカルアンテナ |
Publications (1)
Publication Number | Publication Date |
---|---|
SG78395A1 true SG78395A1 (en) | 2001-02-20 |
Family
ID=17503995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1999004685A SG78395A1 (en) | 1998-09-25 | 1999-09-22 | Two-resonance helical antenna capable of suppressing fluctuation in electric characteristic without restriction in size of a helical coil |
Country Status (11)
Country | Link |
---|---|
US (1) | US6191755B1 (de) |
EP (1) | EP0989630A1 (de) |
JP (1) | JP2000101331A (de) |
KR (1) | KR20000023396A (de) |
CN (1) | CN1135656C (de) |
AU (1) | AU752822B2 (de) |
CA (1) | CA2282783C (de) |
MY (1) | MY115929A (de) |
NO (1) | NO994457L (de) |
SG (1) | SG78395A1 (de) |
TW (1) | TW443077B (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9907190D0 (en) * | 1999-03-30 | 1999-05-26 | Ganeshmoorthy David | Antenna connector bushing and coil assembly |
US6476768B2 (en) * | 2000-04-08 | 2002-11-05 | Mrw Technologies Ltd. | Wireless transmitting and receiving antenna |
US6340955B1 (en) * | 2000-07-24 | 2002-01-22 | Auden Techno Corp. | Combining method for internal and external insulating sleeves of an antenna on a communication instrument |
KR100421245B1 (ko) * | 2000-12-30 | 2004-03-04 | 주식회사 이엠따블유안테나 | 사용가능 주파수 범위 및 이득을 동시에 향상시키는 방법 |
KR100374752B1 (ko) * | 2001-02-26 | 2003-03-03 | (주)이.엠.더블유 안테나 | 임피던스 변성기의 제조방법 |
KR100406352B1 (ko) * | 2001-03-29 | 2003-11-28 | 삼성전기주식회사 | 안테나 및 그 제조방법 |
JP2003069327A (ja) * | 2001-08-28 | 2003-03-07 | Nec Saitama Ltd | 携帯型無線通信装置のアンテナ構造及びこのアンテナ構造を備えた携帯型無線通信装置 |
US6483479B1 (en) * | 2001-08-29 | 2002-11-19 | Auden Techno Corp. | Instantly welded antenna and its method of welding |
US6608605B2 (en) * | 2001-12-10 | 2003-08-19 | Hewlett-Packard Development Company, L.P. | Multi-band uniform helical antenna and communication device having the same |
AU2003233168A1 (en) * | 2002-06-06 | 2003-12-22 | Galtronics Ltd. | Multi-band improvements to a monopole helical_antenna |
US20040183744A1 (en) * | 2003-03-18 | 2004-09-23 | Raiman Clifford E. | Antenna for explosive environments |
GB2409108B (en) * | 2003-12-13 | 2006-07-12 | Motorola Inc | A radio unit and an antenna arrangement therefor |
NZ562226A (en) * | 2005-03-14 | 2011-02-25 | Galtronics Ltd | Broadband land mobile antenna |
US8053849B2 (en) * | 2005-11-09 | 2011-11-08 | Advanced Micro Devices, Inc. | Replacement metal gate transistors with reduced gate oxide leakage |
JP4925685B2 (ja) * | 2006-02-15 | 2012-05-09 | 株式会社日本自動車部品総合研究所 | アンテナホルダ |
KR101332544B1 (ko) * | 2007-01-09 | 2013-11-22 | 엘지전자 주식회사 | 휴대 단말기 |
CL2009000917A1 (es) | 2008-04-17 | 2010-07-02 | K Sortore Christopher | Una maquina que comprende un rotor con una pluralidad de imanes permanentes de tierras raras,retenidos en el rotor por medio de un casquillo cilindrico, el casquillo es retenido por medio de una banda que posee una pluralidad apilada de laminaciones de arandelas, estando cada laminacion aislada electricamente. |
KR101639212B1 (ko) * | 2014-06-11 | 2016-07-13 | 삼영쎌레트라(주) | 멀티 밴드 안테나 |
US10873357B2 (en) * | 2017-05-02 | 2020-12-22 | Deere & Company | Smart attachment for a work vehicle |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61208904A (ja) * | 1985-03-13 | 1986-09-17 | Sharp Corp | ヘリカルアンテナ装置 |
JP2832476B2 (ja) | 1990-02-14 | 1998-12-09 | 望 長谷部 | ヘリカルアンテナ |
US5559524A (en) * | 1991-03-18 | 1996-09-24 | Hitachi, Ltd. | Antenna system including a plurality of meander conductors for a portable radio apparatus |
JPH05275919A (ja) * | 1992-03-27 | 1993-10-22 | Hitachi Ltd | 小形携帯無線機用メアンダ・ヘリカルアンテナ |
JP3643411B2 (ja) | 1995-08-31 | 2005-04-27 | 日本電業工作株式会社 | ホイップアンテナ |
JPH1022730A (ja) * | 1996-07-05 | 1998-01-23 | Yokowo Co Ltd | アンテナおよび該アンテナをロッド状アンテナの先端に設けたアンテナ装置 |
WO1998002936A1 (en) | 1996-07-16 | 1998-01-22 | Qualcomm Incorporated | Modified helical antenna |
US5717409A (en) | 1996-08-02 | 1998-02-10 | Lucent Technologies Inc. | Dual frequency band antenna system |
JPH10341105A (ja) * | 1997-06-09 | 1998-12-22 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
JPH11234026A (ja) | 1997-12-18 | 1999-08-27 | Whitaker Corp:The | デュアルバンドアンテナ |
SE511255C2 (sv) | 1998-01-30 | 1999-09-06 | Moteco Ab | Antennanordning för dubbla frekvensband |
KR100356196B1 (ko) | 1998-03-19 | 2002-10-12 | 마쯔시다덴기산교 가부시키가이샤 | 2주파 대응 안테나 장치 및 이를 사용한 이동 통신기기 |
-
1998
- 1998-09-25 JP JP10271726A patent/JP2000101331A/ja active Pending
-
1999
- 1999-09-13 US US09/394,780 patent/US6191755B1/en not_active Expired - Fee Related
- 1999-09-14 NO NO994457A patent/NO994457L/no not_active Application Discontinuation
- 1999-09-14 AU AU47587/99A patent/AU752822B2/en not_active Ceased
- 1999-09-16 EP EP99118386A patent/EP0989630A1/de not_active Withdrawn
- 1999-09-17 CA CA002282783A patent/CA2282783C/en not_active Expired - Fee Related
- 1999-09-22 SG SG1999004685A patent/SG78395A1/en unknown
- 1999-09-22 KR KR1019990040947A patent/KR20000023396A/ko not_active Application Discontinuation
- 1999-09-22 TW TW088116300A patent/TW443077B/zh active
- 1999-09-23 MY MYPI99004132A patent/MY115929A/en unknown
- 1999-09-24 CN CNB991202473A patent/CN1135656C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2282783A1 (en) | 2000-03-25 |
AU4758799A (en) | 2000-03-30 |
CN1135656C (zh) | 2004-01-21 |
MY115929A (en) | 2003-09-30 |
US6191755B1 (en) | 2001-02-20 |
AU752822B2 (en) | 2002-10-03 |
TW443077B (en) | 2001-06-23 |
CN1249547A (zh) | 2000-04-05 |
NO994457D0 (no) | 1999-09-14 |
CA2282783C (en) | 2004-07-13 |
NO994457L (no) | 2000-03-27 |
JP2000101331A (ja) | 2000-04-07 |
EP0989630A1 (de) | 2000-03-29 |
KR20000023396A (ko) | 2000-04-25 |
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