JPS5226879B2 - - Google Patents

Info

Publication number
JPS5226879B2
JPS5226879B2 JP47093217A JP9321772A JPS5226879B2 JP S5226879 B2 JPS5226879 B2 JP S5226879B2 JP 47093217 A JP47093217 A JP 47093217A JP 9321772 A JP9321772 A JP 9321772A JP S5226879 B2 JPS5226879 B2 JP S5226879B2
Authority
JP
Japan
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
JP47093217A
Other languages
Japanese (ja)
Other versions
JPS4951892A (en
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 filed Critical
Priority to JP47093217A priority Critical patent/JPS5226879B2/ja
Priority to US338419A priority patent/US3902177A/en
Publication of JPS4951892A publication Critical patent/JPS4951892A/ja
Publication of JPS5226879B2 publication Critical patent/JPS5226879B2/ja
Expired legal-status Critical Current

Links

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
    • H01Q7/04—Screened antennas
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
JP47093217A 1972-09-19 1972-09-19 Expired JPS5226879B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP47093217A JPS5226879B2 (en) 1972-09-19 1972-09-19
US338419A US3902177A (en) 1972-09-19 1973-03-06 Antenna for direction finders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47093217A JPS5226879B2 (en) 1972-09-19 1972-09-19

Publications (2)

Publication Number Publication Date
JPS4951892A JPS4951892A (en) 1974-05-20
JPS5226879B2 true JPS5226879B2 (en) 1977-07-16

Family

ID=14076380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47093217A Expired JPS5226879B2 (en) 1972-09-19 1972-09-19

Country Status (2)

Country Link
US (1) US3902177A (en)
JP (1) JPS5226879B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107144U (en) * 1983-01-07 1984-07-19 沖電気工業株式会社 semiconductor chip container

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083006A (en) * 1973-07-10 1978-04-04 Agency Of Industrial Science & Technology Loop type standard magnetic field generator
US4288794A (en) * 1979-12-26 1981-09-08 Textron Inc. Shielded loop VOR/ILS antenna system
DE3140319A1 (en) * 1981-10-10 1983-04-21 Klaus 3300 Braunschweig Münter Electrically screened broadband antenna for the in-phase detection of the magnetic components of an alternating electromagnetic field
JPS58173912U (en) * 1982-05-18 1983-11-21 八木アンテナ株式会社 tiny antenna
FR2534692A1 (en) * 1982-10-15 1984-04-20 Thomson Csf HIGH-SENSITIVITY, BROADBAND ALTERNATE MAGNETIC FIELD SENSOR DEVICE AND MEASURING APPARATUS USING THE SAME
EP0222982B1 (en) * 1985-11-18 1990-10-31 Siemens Aktiengesellschaft Surface coil for nuclear magnetic resonance analysis
EP0239426B1 (en) * 1986-02-07 1990-05-23 General Electric Cgr S.A. Receiving antenna for a nuclear magnetic resonance imaging apparatus
FR2599847B1 (en) * 1986-06-10 1988-08-26 Telediffusion Fse RESONANT LOOP CURRENT PROBE
FR2615041B1 (en) * 1987-05-07 1989-12-29 Thomson Cgr ELECTROMAGNETIC ANTENNA AND DRIVE ANTENNA FOR A NUCLEAR MAGNETIC RESONANCE APPARATUS PROVIDED WITH SUCH AN ELECTROMAGNETIC ANTENNA
WO1989007347A1 (en) * 1988-02-04 1989-08-10 Uniscan Ltd. Magnetic field concentrator
US5248989A (en) * 1988-02-04 1993-09-28 Unisan Ltd. Magnetic field concentrator
FR2636781B1 (en) * 1988-09-16 1991-06-14 Matra Systemes Securite ANTENNA FRAME FOR PRESENCE CONTROL STATION, TRANSMITTING A PRIMARY SIGNAL TO RECEIVE INDIVIDUALIZED SIGNALS IN AN ECHO
NL8802914A (en) * 1988-11-28 1990-06-18 Nedap Nv ANTENNA CONFIGURATION FOR TWO FREQUENCIES.
JPH03265305A (en) * 1990-03-15 1991-11-26 Fuji Electric Co Ltd Dual tuning antenna and signal generator having the antenna
EP0584882A1 (en) * 1992-08-28 1994-03-02 Philips Electronics Uk Limited Loop antenna
USH1571H (en) * 1994-06-29 1996-08-06 Hansen; Peder M. Dual-feed, dual-mode antenna for mono-directional pattern
US5485165A (en) * 1994-08-15 1996-01-16 The United States Of America As Represented By The Secretary Of The Army Broadband high efficiency full wave open coaxial stub loop antenna
US5751255A (en) * 1996-06-07 1998-05-12 Carter, Jr.; Philip S. Electrically small receiving antennas
US6636040B1 (en) 1999-12-17 2003-10-21 Fonar Corporation MRI antenna
US6847210B1 (en) 1999-12-17 2005-01-25 Fonar Corporation MRI antenna
EP1158601A1 (en) * 2000-05-15 2001-11-28 Häni Prolectron Ag Support device with an antenna with low sensitivity
US7091843B1 (en) 2002-11-05 2006-08-15 Rajiv Singh Lal Functional and ornamental vehicle accessories
USD535984S1 (en) * 2003-01-06 2007-01-30 Rajiv S. Lal Ring-shaped vehicle accessory
WO2004100309A2 (en) * 2003-05-01 2004-11-18 Meadwestvaco Corporation Apparatus for and method of providing an antenna integral balun
US7834816B2 (en) * 2003-07-25 2010-11-16 Sensormatic Electronics Llc Apparatus for and method of using a diversity antenna
US20100182149A1 (en) * 2004-05-18 2010-07-22 Marino Ronald A Apparatus for and method of using rfid antenna configurations
US7205947B2 (en) * 2004-08-19 2007-04-17 Harris Corporation Litzendraht loop antenna and associated methods
FR3016246B1 (en) * 2014-01-06 2017-06-09 Commissariat Energie Atomique HIGH FREQUENCY ANTENNA
US10402600B1 (en) * 2017-10-30 2019-09-03 Amazon Technologies, Inc. Mobile tray for performing RFID reads
US11460599B2 (en) * 2018-12-17 2022-10-04 Raytheon Company Shielded-loop-resonator based gradiometer probe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423083A (en) * 1943-03-05 1947-07-01 Standard Telephones Cables Ltd Loop antenna system
US2419577A (en) * 1945-03-12 1947-04-29 Standard Telephones Cables Ltd Antenna system
US2535053A (en) * 1945-06-05 1950-12-26 Michael D Ercolino Portable radio compass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107144U (en) * 1983-01-07 1984-07-19 沖電気工業株式会社 semiconductor chip container

Also Published As

Publication number Publication date
US3902177A (en) 1975-08-26
JPS4951892A (en) 1974-05-20

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