KR830009664A - 소형 루프 안테나 - Google Patents

소형 루프 안테나 Download PDF

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Publication number
KR830009664A
KR830009664A KR1019820000884A KR820000884A KR830009664A KR 830009664 A KR830009664 A KR 830009664A KR 1019820000884 A KR1019820000884 A KR 1019820000884A KR 820000884 A KR820000884 A KR 820000884A KR 830009664 A KR830009664 A KR 830009664A
Authority
KR
South Korea
Prior art keywords
loop antenna
resonance frequency
loop
antenna
cut
Prior art date
Application number
KR1019820000884A
Other languages
English (en)
Other versions
KR860000331B1 (ko
Inventor
가즈타까 히다까
Original Assignee
사바 쇼오이찌
도오쿄오 시바우라 덴기 가부시기가이샤
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 사바 쇼오이찌, 도오쿄오 시바우라 덴기 가부시기가이샤 filed Critical 사바 쇼오이찌
Publication of KR830009664A publication Critical patent/KR830009664A/ko
Application granted granted Critical
Publication of KR860000331B1 publication Critical patent/KR860000331B1/ko

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Classifications

    • 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
    • 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
    • H01Q7/005—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 with variable reactance for tuning the antenna
    • 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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • 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
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable

Landscapes

  • Details Of Aerials (AREA)

Abstract

내용 없음

Description

소형 루프 안테나
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도,제3도는 본 발명의 안테나의 동작원리 및 실시예의 설명도.
제4도는 본 발명의 구성요소의 가변용량소자의 구체실예.

Claims (2)

  1. 일부가 잘려진 루프 모양의 도체와 이 도체의 잘려진 부분에 접속된 용량소재를 장치한 루프안테나에 있어서, 전기한 용량소자의 공진주파수(f0)와, 이 안테나의 입력 애드미턴스가 최소로 되는 공진주파수(fm)와의 비(f0/fm)가 하기의 범위에 들어가도록 전기한 도체의 루프면적, 주위길이 및 등가반경을 조정한 소형 루프 안테나. 0.5f0/fm4.0
  2. 용량소자는, 넓은 대역에 걸쳐서 공진 주파숴를 바꿀 수 있는 가변 용량 소자인 특허청구의 범위 제1항 기재의 소형 루프 안테나.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8200884A 1981-02-27 1982-02-27 소형 루프 안테나 KR860000331B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56026910A JPS57142002A (en) 1981-02-27 1981-02-27 Small-sized loop antenna
JP56-26910 1981-02-27
JP26910 1981-02-27

Publications (2)

Publication Number Publication Date
KR830009664A true KR830009664A (ko) 1983-12-22
KR860000331B1 KR860000331B1 (ko) 1986-04-09

Family

ID=12206366

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8200884A KR860000331B1 (ko) 1981-02-27 1982-02-27 소형 루프 안테나

Country Status (6)

Country Link
US (1) US4518965A (ko)
EP (1) EP0060628B1 (ko)
JP (1) JPS57142002A (ko)
KR (1) KR860000331B1 (ko)
CA (1) CA1195771A (ko)
DE (1) DE3268209D1 (ko)

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Also Published As

Publication number Publication date
JPH0227841B2 (ko) 1990-06-20
EP0060628B1 (en) 1986-01-02
KR860000331B1 (ko) 1986-04-09
US4518965A (en) 1985-05-21
DE3268209D1 (en) 1986-02-13
JPS57142002A (en) 1982-09-02
EP0060628A1 (en) 1982-09-22
CA1195771A (en) 1985-10-22

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