ES349461A1 - Un dispositivo de molde de bobina de material elastico paraproporcionar acoplamiento regulable entre dos o mas bobinas. - Google Patents

Un dispositivo de molde de bobina de material elastico paraproporcionar acoplamiento regulable entre dos o mas bobinas.

Info

Publication number
ES349461A1
ES349461A1 ES349461A ES349461A ES349461A1 ES 349461 A1 ES349461 A1 ES 349461A1 ES 349461 A ES349461 A ES 349461A ES 349461 A ES349461 A ES 349461A ES 349461 A1 ES349461 A1 ES 349461A1
Authority
ES
Spain
Prior art keywords
members
outer member
projection
ridges
depressions
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
ES349461A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of ES349461A1 publication Critical patent/ES349461A1/es
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)
ES349461A 1967-01-19 1968-01-18 Un dispositivo de molde de bobina de material elastico paraproporcionar acoplamiento regulable entre dos o mas bobinas. Expired ES349461A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES349461A1 true ES349461A1 (es) 1969-04-01

Family

ID=24444662

Family Applications (1)

Application Number Title Priority Date Filing Date
ES349461A Expired ES349461A1 (es) 1967-01-19 1968-01-18 Un dispositivo de molde de bobina de material elastico paraproporcionar acoplamiento regulable entre dos o mas bobinas.

Country Status (9)

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

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
FR1551515A (es) 1968-12-27
SE342348B (es) 1972-01-31
DE1639374A1 (de) 1971-02-25
GB1160053A (en) 1969-07-30
NL6800787A (es) 1968-07-22
AT300145B (de) 1972-07-10
US3432785A (en) 1969-03-11
BE709583A (es) 1968-05-30

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