FR1569508A - - Google Patents

Info

Publication number
FR1569508A
FR1569508A FR1569508DA FR1569508A FR 1569508 A FR1569508 A FR 1569508A FR 1569508D A FR1569508D A FR 1569508DA FR 1569508 A FR1569508 A FR 1569508A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1569508A publication Critical patent/FR1569508A/fr
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
    • H01Q7/06—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
    • 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
FR1569508D 1967-06-29 1968-06-25 Expired FR1569508A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967T0034221 DE1297715B (de) 1967-06-29 1967-06-29 Rahmenantenne mit einem Kern hochpermeablen Materials zur Verwendung als Empfangsantenne in einem verlustbehafteten Medium

Publications (1)

Publication Number Publication Date
FR1569508A true FR1569508A (fr) 1969-05-30

Family

ID=7558346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569508D Expired FR1569508A (fr) 1967-06-29 1968-06-25

Country Status (3)

Country Link
DE (1) DE1297715B (fr)
FR (1) FR1569508A (fr)
GB (1) GB1239303A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608845A1 (fr) * 1986-12-22 1988-06-24 Pizon Ernest Antenne receptrice ou emettrice d'ondes electromagnetiques, notamment pour autoradio

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159332A (en) * 1989-06-05 1992-10-27 Walton Charles A Proximity identification system with flux concentration in operating region
EP1689029B1 (fr) * 2003-11-27 2016-10-05 Hitachi Metals, Ltd. Antenne et horloge avec alarme et fonction radio comprenant cette derniere, systeme d'entree sans cle, systeme d'identification par radiofrequence
CN102257673B (zh) * 2008-12-19 2015-01-21 日立金属株式会社 谐振型接收天线及接收装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE217245A (fr) * 1923-06-06
US1710085A (en) * 1926-02-20 1929-04-23 Cooper George William Fading and static eliminating radio antenna
DE735429C (de) * 1935-04-25 1943-05-14 Lorenz C Ag Rahmenantenne
DE714189C (de) * 1938-10-06 1941-11-25 Telefunken Gmbh Peilrahmen mit Abschirmzylinder
BE437554A (fr) * 1940-01-02
BE515657A (fr) * 1951-11-23
US2804617A (en) * 1954-06-02 1957-08-27 Wladimir J Polydoroff Antenna systems
DE1046123B (de) * 1954-07-19 1958-12-11 Kurt Kaschke Antenne fuer den Empfang verschiedener Wellenbereiche stark unterschiedlicher Frequenzen
DE976893C (de) * 1955-02-08 1964-07-16 Telefunken Patent Sende- oder Empfangsanordnung
US2955286A (en) * 1958-02-24 1960-10-04 Internat Res & Dev Corp Plural loop antenna having ferrite cores

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608845A1 (fr) * 1986-12-22 1988-06-24 Pizon Ernest Antenne receptrice ou emettrice d'ondes electromagnetiques, notamment pour autoradio

Also Published As

Publication number Publication date
GB1239303A (fr) 1971-07-14
DE1297715B (de) 1969-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse