DE2235958A1 - Antennensystem - Google Patents

Antennensystem

Info

Publication number
DE2235958A1
DE2235958A1 DE2235958A DE2235958A DE2235958A1 DE 2235958 A1 DE2235958 A1 DE 2235958A1 DE 2235958 A DE2235958 A DE 2235958A DE 2235958 A DE2235958 A DE 2235958A DE 2235958 A1 DE2235958 A1 DE 2235958A1
Authority
DE
Germany
Prior art keywords
coil
core
antenna
antenna system
wound
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.)
Pending
Application number
DE2235958A
Other languages
German (de)
English (en)
Inventor
Kyohei Fujimoto
Katsuhiko 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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE2235958A1 publication Critical patent/DE2235958A1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F7/00Parametric amplifiers
    • H03F7/02Parametric amplifiers using variable-inductance element; using variable-permeability element
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00Variable inductances or transformers of the signal type
    • H01F21/02Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/08Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F29/146Constructional details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop 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
    • H01Q7/06Loop 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 core of ferromagnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE2235958A 1971-07-22 1972-07-21 Antennensystem Pending DE2235958A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5500371A JPS5330976B1 (enExample) 1971-07-22 1971-07-22

Publications (1)

Publication Number Publication Date
DE2235958A1 true DE2235958A1 (de) 1973-02-01

Family

ID=12986463

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2235958A Pending DE2235958A1 (de) 1971-07-22 1972-07-21 Antennensystem

Country Status (6)

Country Link
US (1) US3750180A (enExample)
JP (1) JPS5330976B1 (enExample)
CA (1) CA961935A (enExample)
DE (1) DE2235958A1 (enExample)
FR (1) FR2146477B1 (enExample)
GB (1) GB1334499A (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588994A (en) * 1982-10-18 1986-05-13 Hughes Aircraft Company Continuous ferrite aperture for electronic scanning antennas
US4827272A (en) * 1984-06-04 1989-05-02 Davis Murray W Overhead power line clamp and antenna
KR100459839B1 (ko) * 1995-08-22 2005-02-07 미쓰비시 마테리알 가부시키가이샤 트랜스폰더용안테나및트랜스폰더
US6134420A (en) * 1996-11-01 2000-10-17 Plantronics, Inc. Vector measuring aerial arrays for magnetic induction communication systems
US6061030A (en) * 1996-11-01 2000-05-09 Plantronics, Inc. Aerial arrays for magnetic induction communication systems having limited power supplies
FR2808943B1 (fr) * 2000-05-12 2004-10-01 Valeo Electronique Identifiant pour systeme "d'acces et demarrage mains-libres" avec une bobine emettrice et/ou receptrice disposee dans l'epaisseur du substrat
US6396454B1 (en) * 2000-06-23 2002-05-28 Cue Corporation Radio unit for computer systems
US6563474B2 (en) * 2000-12-21 2003-05-13 Lear Corporation Remote access device having multiple inductive coil antenna
DE10207295A1 (de) * 2002-02-21 2003-09-04 Arvinmeritor Gmbh Karosserieanbauteil und Verfahren zu seiner Herstellung
US7209090B2 (en) * 2003-06-16 2007-04-24 Sensormatic Electronics Corporation High efficiency core antenna and construction method
US7161551B2 (en) * 2003-10-09 2007-01-09 Casio Computer Co., Ltd. Antenna and wristwatch
RU2256264C1 (ru) * 2004-04-06 2005-07-10 Федеральное государственное унитарное предприятие Центральный научно-исследовательский институт "Электроприбор" Широкополосная приемная ферритовая антенна с комбинированным сердечником
CN101897081B (zh) * 2007-12-18 2013-02-13 株式会社村田制作所 磁性体天线以及天线装置
US20160005530A1 (en) * 2014-07-02 2016-01-07 Analog Devices Global Inductive component for use in an integrated circuit, a transformer and an inductor formed as part of an integrated circuit
JP6887624B2 (ja) * 2016-08-15 2021-06-16 学校法人自治医科大学 自閉症スペクトラム障害及び精神疾患改善剤
DE102018113765B4 (de) 2017-06-09 2023-11-02 Analog Devices International Unlimited Company Transformator mit einer durchkontaktierung für einen magnetkern
DE102018102895B4 (de) 2018-02-09 2019-10-24 SUMIDA Components & Modules GmbH Ferritstabantenne und Sende- und Empfangseinheit mit entsprechender Ferritstabantenne
RU2687849C1 (ru) * 2018-07-04 2019-05-16 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Приемная магнитная антенна
CN113613639B (zh) 2019-03-20 2025-11-18 国立大学法人香川大学 利用d-阿洛糖被癌细胞摄取的性质的药物输送载体、药物输送方法和用于治疗肾细胞癌的组合物
EP3949957A4 (en) 2019-03-26 2022-12-28 National University Corporation Kagawa University PHARMACEUTICAL COMPOSITION INJECTABLE INTO A URETHRAL ORGAN CAVITY FOR THE PREVENTION OR TREATMENT OF UROTHELIAL CARCINOMA
JPWO2020203086A1 (enExample) 2019-03-29 2020-10-08
WO2021193949A1 (ja) 2020-03-26 2021-09-30 国立大学法人香川大学 新規l-ラムノースイソメラーゼ
JPWO2022114207A1 (enExample) 2020-11-30 2022-06-02

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665476A (en) * 1965-12-01 1972-05-23 Singer Co Antenna
US3564551A (en) * 1970-01-14 1971-02-16 Harry A Mills Dipole antenna with electrically tuned ferrite sleeves

Also Published As

Publication number Publication date
GB1334499A (en) 1973-10-17
FR2146477A1 (enExample) 1973-03-02
US3750180A (en) 1973-07-31
FR2146477B1 (enExample) 1977-07-22
JPS5330976B1 (enExample) 1978-08-30
CA961935A (en) 1975-01-28

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Legal Events

Date Code Title Description
OHW Rejection