NL248852A - - Google Patents

Info

Publication number
NL248852A
NL248852A NL248852DA NL248852A NL 248852 A NL248852 A NL 248852A NL 248852D A NL248852D A NL 248852DA NL 248852 A NL248852 A NL 248852A
Authority
NL
Netherlands
Application number
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.)
Publication of NL248852A publication Critical patent/NL248852A/xx

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
    • H01Q7/06—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
    • H01Q7/08—Ferrite rod or like elongated core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
NL248852D 1959-02-27 NL248852A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US796165A US2981950A (en) 1959-02-27 1959-02-27 Electrostatically-shielded loop antenna

Publications (1)

Publication Number Publication Date
NL248852A true NL248852A (fr)

Family

ID=25167490

Family Applications (2)

Application Number Title Priority Date Filing Date
NL130506D NL130506C (fr) 1959-02-27
NL248852D NL248852A (fr) 1959-02-27

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL130506D NL130506C (fr) 1959-02-27

Country Status (9)

Country Link
US (1) US2981950A (fr)
BE (1) BE587970A (fr)
CH (1) CH389696A (fr)
DE (1) DE1156453B (fr)
DK (1) DK104245C (fr)
ES (1) ES256089A1 (fr)
FR (1) FR1249166A (fr)
GB (1) GB935836A (fr)
NL (2) NL248852A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29019E (en) * 1969-01-22 1976-10-26 Yeda Research & Development Co. Ltd. Intruder detection system
US3754223A (en) * 1970-01-21 1973-08-21 Yeda Res & Dev Intruder detection system
US3721989A (en) * 1971-06-30 1973-03-20 Northrop Corp Cross loop antenna
US4101899A (en) * 1976-12-08 1978-07-18 The United States Of America As Represented By The Secretary Of The Army Compact low-profile electrically small vhf antenna
US4549186A (en) * 1982-04-14 1985-10-22 Sensormatic Electronics Corporation Coil assembly for substantially isotropic flux linkage in a given plane
US4486731A (en) * 1982-06-10 1984-12-04 Sensormatic Electronics Corporation Coil assembly with flux directing means
US4703278A (en) * 1984-10-09 1987-10-27 Texaco Inc. Well logging disc coil receiving means and method
ATE541298T1 (de) * 2005-11-17 2012-01-15 Oticon As Abgeschirmte spule für induktive drahtlose anwendungen
US8907295B2 (en) * 2012-08-01 2014-12-09 Varian Semiconductor Equipment Associates, Inc. Hybrid electrostatic lens with increased natural frequency
DE102013201372B4 (de) 2013-01-29 2018-06-07 Ecom Instruments Gmbh Tragbares elektronisches Gerät mit Schutz vor statischer Aufladung
DE102014200524A1 (de) 2014-01-14 2015-07-16 Siemens Medical Instruments Pte. Ltd. Antenneneinrichtung für Hörinstrumente
GB2522068B (en) * 2014-01-14 2016-10-19 Thales Holdings Uk Plc Electric field screening
EP3800478A1 (fr) * 2019-10-06 2021-04-07 Université catholique de Louvain Antenne de cage à oiseaux améliorée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2203517A (en) * 1938-05-28 1940-06-04 Gen Electric Radio receiver
US2599944A (en) * 1943-05-11 1952-06-10 Us Navy Absorbent body for electromagnetic waves
US2624004A (en) * 1952-05-16 1952-12-30 Wladimir J Polydoroff Ferromagnetic antenna
US2804617A (en) * 1954-06-02 1957-08-27 Wladimir J Polydoroff Antenna systems

Also Published As

Publication number Publication date
DK104245C (da) 1966-04-25
US2981950A (en) 1961-04-25
ES256089A1 (es) 1960-07-16
CH389696A (de) 1965-03-31
FR1249166A (fr) 1960-12-23
GB935836A (en) 1963-09-04
BE587970A (fr) 1960-06-16
NL130506C (fr)
DE1156453B (de) 1963-10-31

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