CA961935A - Antenna system - Google Patents

Antenna system

Info

Publication number
CA961935A
CA961935A CA147,655A CA147655A CA961935A CA 961935 A CA961935 A CA 961935A CA 147655 A CA147655 A CA 147655A CA 961935 A CA961935 A CA 961935A
Authority
CA
Canada
Prior art keywords
antenna system
antenna
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
CA147,655A
Other versions
CA147655S (en
Inventor
Katsuhiko Tamura
Kyohei Fujimoto
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
Application granted granted Critical
Publication of CA961935A publication Critical patent/CA961935A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F7/00—Parametric amplifiers
    • H03F7/02—Parametric amplifiers using variable-inductance element; using variable-permeability element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/08—Variable 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F29/146—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements 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
    • 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
    • H01Q7/06—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 core of ferromagnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
CA147,655A 1971-07-22 1972-07-21 Antenna system Expired CA961935A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA961935A true CA961935A (en) 1975-01-28

Family

ID=12986463

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,655A Expired CA961935A (en) 1971-07-22 1972-07-21 Antenna system

Country Status (6)

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

Families Citing this family (22)

* 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 (en) * 1995-08-22 2005-02-07 미쓰비시 마테리알 가부시키가이샤 Antennas and transponders for transponders
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 (en) * 2000-05-12 2004-10-01 Valeo Electronique IDENTIFIER FOR "HANDS-FREE ACCESS AND STARTING" SYSTEM WITH A TRANSMITTER AND / OR RECEIVER COIL PLACED IN THE THICKNESS OF THE SUBSTRATE
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 (en) * 2002-02-21 2003-09-04 Arvinmeritor Gmbh Body attachment part and method for its production
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
JP4930601B2 (en) * 2007-12-18 2012-05-16 株式会社村田製作所 Magnetic material antenna and antenna device
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 (en) * 2016-08-15 2021-06-16 学校法人自治医科大学 Autism spectrum disorder and psychiatric disorder improving agents
DE102018113765B4 (en) 2017-06-09 2023-11-02 Analog Devices International Unlimited Company TRANSFORMER WITH A THROUGH CONTACT FOR A MAGNETIC CORE
DE102018102895B4 (en) * 2018-02-09 2019-10-24 SUMIDA Components & Modules GmbH Ferrite rod antenna and transmitting and receiving unit with corresponding ferrite rod antenna
RU2687849C1 (en) * 2018-07-04 2019-05-16 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Receiving magnetic antenna
JP7414240B2 (en) 2019-03-20 2024-01-16 国立大学法人 香川大学 Drug transport carrier, drug transport method, and composition for renal cell cancer treatment that utilize the property of D-allose to be taken up by cancer cells
CN113645963A (en) 2019-03-26 2021-11-12 国立大学法人香川大学 Pharmaceutical composition for preventing or treating urothelial cancer capable of being injected into urinary organ cavity
BR112021016283A2 (en) 2019-03-29 2021-10-13 National University Corporation Kagawa University OSMOTIC PRESSURE REGULATOR CONTAINING D-GLUCOSE, PERITONEAL DIALYSATE, OPHTHALMIC COMPOSITION OR INFUSION, METHODS OF REGULATION OF OSMOTIC PRESSURE AND PERITONEAL DIALYSIS, AND, USES OF THE OSMOTIC PRESSURE REGULATOR AND OF D-ALLOSE AND/OR D-ALULOSE
JPWO2021193949A1 (en) 2020-03-26 2021-09-30
JPWO2022114207A1 (en) 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
FR2146477B1 (en) 1977-07-22
US3750180A (en) 1973-07-31
FR2146477A1 (en) 1973-03-02
JPS5330976B1 (en) 1978-08-30
DE2235958A1 (en) 1973-02-01

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