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FR862402A - Receiving devices for radio waves - Google Patents

Receiving devices for radio waves

Info

Publication number
FR862402A
FR862402A FR862402DA FR862402A FR 862402 A FR862402 A FR 862402A FR 862402D A FR862402D A FR 862402DA FR 862402 A FR862402 A FR 862402A
Authority
FR
France
Prior art keywords
radio waves
receiving devices
devices
receiving
waves
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR862402A publication Critical patent/FR862402A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50Feeding or matching arrangements for broad-band or multi-band operation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
FR862402D 1938-12-23 1939-12-18 Receiving devices for radio waves Expired FR862402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37492/38A GB523074A (en) 1938-12-23 1938-12-23 Improvements in or relating to radio receiving systems

Publications (1)

Publication Number Publication Date
FR862402A true FR862402A (en) 1941-03-06

Family

ID=10396871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862402D Expired FR862402A (en) 1938-12-23 1939-12-18 Receiving devices for radio waves

Country Status (2)

Country Link
FR (1) FR862402A (en)
GB (1) GB523074A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479227A (en) * 1945-11-06 1949-08-16 Edgar N Gilbert Dual frequency antenna
DE3420046A1 (en) * 1984-05-29 1987-01-08 Licentia Gmbh ANTENNA-LITER FOR ELECTRONIC PROXIMITY OR DISTANCE LITER

Also Published As

Publication number Publication date
GB523074A (en) 1940-07-04

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