FR1551515A - - Google Patents

Info

Publication number
FR1551515A
FR1551515A FR1551515DA FR1551515A FR 1551515 A FR1551515 A FR 1551515A FR 1551515D A FR1551515D A FR 1551515DA FR 1551515 A FR1551515 A FR 1551515A
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 FR1551515A publication Critical patent/FR1551515A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
FR1551515D 1967-01-19 1968-01-16 Expired FR1551515A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61034867A 1967-01-19 1967-01-19

Publications (1)

Publication Number Publication Date
FR1551515A true FR1551515A (fr) 1968-12-27

Family

ID=24444662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1551515D Expired FR1551515A (fr) 1967-01-19 1968-01-16

Country Status (9)

Country Link
US (1) US3432785A (fr)
AT (1) AT300145B (fr)
BE (1) BE709583A (fr)
DE (1) DE1639374A1 (fr)
ES (1) ES349461A1 (fr)
FR (1) FR1551515A (fr)
GB (1) GB1160053A (fr)
NL (1) NL6800787A (fr)
SE (1) SE342348B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935397A (en) * 1974-01-28 1976-01-27 Electronic Industries, Inc. Electrostatic loudspeaker element
US4531109A (en) * 1983-03-28 1985-07-23 Rca Corporation Tuning coil structure
US6950005B2 (en) * 2003-06-30 2005-09-27 International Business Machines Corporation Adjustable coilform for variable inductance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE22195E (en) * 1942-10-06 Coupling system
US1554935A (en) * 1924-11-22 1925-09-22 Harold H Wilcox Induction-coil mounting
US2925495A (en) * 1958-01-06 1960-02-16 Aladdin Ind Inc Tuner with primary coil on moving sleeve
US2982586A (en) * 1959-08-07 1961-05-02 Francis J Gliebe Fishing net construction
US3281744A (en) * 1964-04-22 1966-10-25 Cambridge Thermionic Corp Variable core locked impedance devices

Also Published As

Publication number Publication date
SE342348B (fr) 1972-01-31
ES349461A1 (es) 1969-04-01
DE1639374A1 (de) 1971-02-25
GB1160053A (en) 1969-07-30
NL6800787A (fr) 1968-07-22
AT300145B (de) 1972-07-10
US3432785A (en) 1969-03-11
BE709583A (fr) 1968-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse