BE504945A - - Google Patents

Info

Publication number
BE504945A
BE504945A BE504945DA BE504945A BE 504945 A BE504945 A BE 504945A BE 504945D A BE504945D A BE 504945DA BE 504945 A BE504945 A BE 504945A
Authority
BE
Belgium
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 BE504945A publication Critical patent/BE504945A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/008—Receiver or amplifier input circuits
    • 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
    • H01Q7/005—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 variable reactance for tuning the antenna
BE504945D 1950-08-03 BE504945A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US177363A US2641704A (en) 1950-08-03 1950-08-03 High-inductance loop antenna and system

Publications (1)

Publication Number Publication Date
BE504945A true BE504945A (fr)

Family

ID=22648308

Family Applications (1)

Application Number Title Priority Date Filing Date
BE504945D BE504945A (fr) 1950-08-03

Country Status (7)

Country Link
US (1) US2641704A (fr)
BE (1) BE504945A (fr)
CH (1) CH303098A (fr)
DE (1) DE974577C (fr)
ES (1) ES199063A1 (fr)
FR (1) FR1045903A (fr)
GB (1) GB688175A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2841791A (en) * 1953-01-26 1958-07-01 Allen Bradley Co High dielectric type antenna
US2915752A (en) * 1953-12-29 1959-12-01 Raytheon Co Directional antenna
BE537486A (fr) * 1954-04-21
US2797315A (en) * 1954-10-04 1957-06-25 Hoffman Electronics Corp Portable loud-speaker type radio receiver with battery-saving earphone circuit
DE1061841B (de) * 1955-01-24 1959-07-23 Bendix Aviat Corp Magnetische Peilantenne mit Mitteln zur Verminderung der Missweisung
US2882392A (en) * 1955-03-09 1959-04-14 Rca Corp Receiver tuned by inductors with tracking by initial positionment of coils on cores
US2889453A (en) * 1955-05-31 1959-06-02 Gen Electric Tunable transistor radio frequency amplifier having approximately constant bandwidth
US2883523A (en) * 1955-09-07 1959-04-21 Francis P Meserow Wireless communication system
BE551962A (fr) * 1955-10-21
US2948888A (en) * 1957-03-15 1960-08-09 Avco Mfg Corp Magnetic energy transmitter for a remote control system for a television receiver
US3018373A (en) * 1958-07-10 1962-01-23 Texas Instruments Inc Antenna coupling circuit
US2996717A (en) * 1959-02-06 1961-08-15 Hazeltine Research Inc Wave focusing antenna
US3051903A (en) * 1959-12-30 1962-08-28 Robert D Morrow Radio antenna
US4314378A (en) * 1979-05-25 1982-02-02 Tractor, Inc. Antenna low-noise Q spoiling circuit
DE102020100659B4 (de) * 2020-01-14 2022-02-24 Daniel Soppa Kommunikationsvorrichtung, Kommunikationssystem sowie Verfahren zum Übertragen von Informationen

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE356248C (de) * 1922-07-18 Bruno Rosenbaum Dipl Ing Rahmenantenne fuer drahtlose Zeichenuebermittlung
US1020032A (en) * 1903-07-27 1912-03-12 Nat Electric Signaling Company Signaling by electromagnetic waves.
BE217245A (fr) * 1923-06-06
FR775614A (fr) * 1933-06-26 1935-01-05 Siemens Ag Bobine à haute fréquence
DE720977C (de) * 1933-12-13 1942-05-20 Telefunken Gmbh Einrichtung zur Einstellung des Frequenzganges einer veraenderlichen Selbstinduktion in Hochfrequenzgeraeten
DE735429C (de) * 1935-04-25 1943-05-14 Lorenz C Ag Rahmenantenne
US2051012A (en) * 1935-06-26 1936-08-11 Johnson Lab Inc Permeability tuning means
DE738454C (de) * 1938-08-21 1943-08-16 Siemens Ag Rahmenantenne
CH269434A (de) * 1938-12-13 1950-06-30 Standard Telephon & Radio Ag Rahmenantenne.
DE738203C (de) * 1939-03-04 1943-08-05 Telefunken Gmbh Rahmenantenne mit ferromagnetischem Kern
US2350211A (en) * 1939-03-04 1944-05-30 Bergtold Fritz Loop antenna with iron core
DE707379C (de) * 1939-03-12 1941-06-20 Telefunken Gmbh Peilantennensystem mit ferromagnetischem Kern
GB529980A (en) * 1939-05-30 1940-12-03 Alfred Augustus Thornton Improvements in and relating to loop equipped radio receivers
US2316623A (en) * 1940-06-29 1943-04-13 Rca Corp Loop antenna system
US2313231A (en) * 1940-08-28 1943-03-09 Colonial Radio Corp Directional radio receiver
US2335969A (en) * 1941-04-04 1943-12-07 Johnson Lab Inc Loop antenna system
CH223177A (de) * 1941-08-21 1942-08-31 Philips Nv Abstimmvorrichtung für Überlagerungsempfänger.
US2370714A (en) * 1942-09-30 1945-03-06 Rca Corp Variable permeability tuning device
US2383415A (en) * 1943-03-11 1945-08-21 Wladimir J Polydoroff Loop antenna apparatus
GB632356A (en) * 1944-05-09 1949-11-28 Wladimir John Polydoroff Improvements in and relating to loop antenna apparatus
BE478263A (fr) * 1946-12-17
DE807965C (de) * 1947-06-21 1951-07-09 Philips Nv Schaltung zur UEbertragung elektrischer Schwingungen mit einem grossen Durchlassbereich

Also Published As

Publication number Publication date
CH303098A (de) 1954-11-15
GB688175A (en) 1953-02-25
US2641704A (en) 1953-06-09
FR1045903A (fr) 1953-12-02
DE974577C (de) 1961-02-16
ES199063A1 (es) 1951-12-16

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