KR100303418B1 - 듀얼밴드안테나 - Google Patents
듀얼밴드안테나 Download PDFInfo
- Publication number
- KR100303418B1 KR100303418B1 KR1019980044508A KR19980044508A KR100303418B1 KR 100303418 B1 KR100303418 B1 KR 100303418B1 KR 1019980044508 A KR1019980044508 A KR 1019980044508A KR 19980044508 A KR19980044508 A KR 19980044508A KR 100303418 B1 KR100303418 B1 KR 100303418B1
- Authority
- KR
- South Korea
- Prior art keywords
- spring
- antenna
- mhz
- present
- helical antenna
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000010295 mobile communication Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 35
- 230000005855 radiation Effects 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
Classifications
-
- 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
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
Landscapes
- Support Of Aerials (AREA)
Abstract
Description
Claims (3)
- 내부의 메탈 로드에 스프링이 고정된 헬리컬 안테나와, 이 헬리컬 안테나에 설치되어 수납 및 신장되는 로드 안테나를 구비하는 무선 통신기기에 있어서, 상기 헬리컬 안테나의 스프링은, 소정의 스프링 간격으로 형성되고 1900㎒ 주파수 대역을 가지는 하부 스프링; 및 상기 하부 스프링보다 좁은 스프링 간격을 갖는 상부스프링으로 이루어지고,상기 하부 스프링 및 상부 스프링의 합성으로 900㎒ 주파수 대역을 갖는 것을 특징으로 하는 듀얼 밴드 안테나.
- 제 1 항에 있어서, 상기 스프링은; 선경이 φ0.5이고, 외경이 φ5.3인 것을 특징으로 하는 듀얼 밴드 안테나.
- 제 1 항에 있어서, 상기 스프링은; 선경이 φ0.6이고, 외경이 φ6.3 인 것을 특징으로 하는 듀얼 밴드 안테나.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980044508A KR100303418B1 (ko) | 1998-10-23 | 1998-10-23 | 듀얼밴드안테나 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980044508A KR100303418B1 (ko) | 1998-10-23 | 1998-10-23 | 듀얼밴드안테나 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000026805A KR20000026805A (ko) | 2000-05-15 |
KR100303418B1 true KR100303418B1 (ko) | 2001-11-22 |
Family
ID=19555113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980044508A KR100303418B1 (ko) | 1998-10-23 | 1998-10-23 | 듀얼밴드안테나 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100303418B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5764191A (en) * | 1996-10-07 | 1998-06-09 | Sony Corporation | Retractable antenna assembly for a portable radio device |
-
1998
- 1998-10-23 KR KR1019980044508A patent/KR100303418B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5764191A (en) * | 1996-10-07 | 1998-06-09 | Sony Corporation | Retractable antenna assembly for a portable radio device |
Also Published As
Publication number | Publication date |
---|---|
KR20000026805A (ko) | 2000-05-15 |
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