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FR862548A - Variable-coupling transformer for radio receivers - Google Patents

Variable-coupling transformer for radio receivers

Info

Publication number
FR862548A
FR862548A FR862548DA FR862548A FR 862548 A FR862548 A FR 862548A FR 862548D A FR862548D A FR 862548DA FR 862548 A FR862548 A FR 862548A
Authority
FR
France
Prior art keywords
variable
radio receivers
coupling transformer
transformer
receivers
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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Application granted granted Critical
Publication of FR862548A publication Critical patent/FR862548A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H03H7/0169—Intermediate frequency filters
    • H03H7/0184—Intermediate frequency filters with ferromagnetic core
FR862548D 1938-12-29 1939-12-23 Variable-coupling transformer for radio receivers Expired FR862548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT862548X 1938-12-29

Publications (1)

Publication Number Publication Date
FR862548A true FR862548A (en) 1941-03-08

Family

ID=11330420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862548D Expired FR862548A (en) 1938-12-29 1939-12-23 Variable-coupling transformer for radio receivers

Country Status (1)

Country Link
FR (1) FR862548A (en)

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