JPH022324B2 - - Google Patents

Info

Publication number
JPH022324B2
JPH022324B2 JP2761981A JP2761981A JPH022324B2 JP H022324 B2 JPH022324 B2 JP H022324B2 JP 2761981 A JP2761981 A JP 2761981A JP 2761981 A JP2761981 A JP 2761981A JP H022324 B2 JPH022324 B2 JP H022324B2
Authority
JP
Japan
Prior art keywords
antenna
linear
impedance
band
wavelength
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.)
Expired
Application number
JP2761981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57143904A (en
Inventor
Kazuhiko Tamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokusai Denki Electric Inc
Original Assignee
Yagi Antenna Co Ltd
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 Yagi Antenna Co Ltd filed Critical Yagi Antenna Co Ltd
Priority to JP2761981A priority Critical patent/JPS57143904A/ja
Publication of JPS57143904A publication Critical patent/JPS57143904A/ja
Publication of JPH022324B2 publication Critical patent/JPH022324B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/22—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element
    • H01Q19/24—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element the primary active element being centre-fed and substantially straight, e.g. H-antenna

Landscapes

  • Aerials With Secondary Devices (AREA)
JP2761981A 1981-02-28 1981-02-28 Antenna device Granted JPS57143904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2761981A JPS57143904A (en) 1981-02-28 1981-02-28 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2761981A JPS57143904A (en) 1981-02-28 1981-02-28 Antenna device

Publications (2)

Publication Number Publication Date
JPS57143904A JPS57143904A (en) 1982-09-06
JPH022324B2 true JPH022324B2 (en:Method) 1990-01-17

Family

ID=12225955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2761981A Granted JPS57143904A (en) 1981-02-28 1981-02-28 Antenna device

Country Status (1)

Country Link
JP (1) JPS57143904A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5092882B2 (ja) * 2008-05-13 2012-12-05 株式会社デンソーウェーブ 情報読取装置

Also Published As

Publication number Publication date
JPS57143904A (en) 1982-09-06

Similar Documents

Publication Publication Date Title
US6118406A (en) Broadband direct fed phased array antenna comprising stacked patches
US5412392A (en) Portable radio unit having strip antenna with parallel twin-lead feeder
US3573840A (en) Small bulk helically wound antennae and method for making same
US4730195A (en) Shortened wideband decoupled sleeve dipole antenna
US5635945A (en) Quadrifilar helix antenna
US4145693A (en) Three band monopole antenna
US6034650A (en) Small helical antenna with non-directional radiation pattern
US3858220A (en) Tunable spiral dipole antenna
EP0528775B1 (en) Miniature antenna
JPH08107304A (ja) 携帯無線機
US9077080B1 (en) Inductively shorted bicone fed tapered dipole antenna
US3083364A (en) Bifilar wound quarter-wave helical antenna having broadside radiation
HK1006608B (en) Miniature antenna
US5485165A (en) Broadband high efficiency full wave open coaxial stub loop antenna
JP3250479B2 (ja) アンテナ装置
JP3030590B2 (ja) 平板型アンテナ
JPH0340523B2 (en:Method)
CN110350309B (zh) 天线结构
US3229298A (en) Bent-arm multiband dipole antenna wherein overall dimension is quarter wavelength on low band
JPH022324B2 (en:Method)
JP6343527B2 (ja) メタヘリカルアンテナ
JPH0117846Y2 (en:Method)
JP3065989B2 (ja) 整合方法および整合装置
Fukushima et al. Planar sleeve antenna with left-handed choke structure
JPH0113642B2 (en:Method)