FR1201993A - Device comprising an inductance variable with the current intensity - Google Patents

Device comprising an inductance variable with the current intensity

Info

Publication number
FR1201993A
FR1201993A FR1201993DA FR1201993A FR 1201993 A FR1201993 A FR 1201993A FR 1201993D A FR1201993D A FR 1201993DA FR 1201993 A FR1201993 A FR 1201993A
Authority
FR
France
Prior art keywords
current intensity
inductance variable
inductance
variable
intensity
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1201993A publication Critical patent/FR1201993A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00Variable inductances or transformers of the signal type
    • H01F21/02Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/08Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K4/00Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/90Linearisation of ramp; Synchronisation of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
FR1201993D 1957-09-06 1958-09-04 Device comprising an inductance variable with the current intensity Expired FR1201993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP19270A DE1077332B (en) 1957-09-06 1957-09-06 Electric coil with soft magnetic core and adjustable pre-magnetization by means of a movable permanent magnet

Publications (1)

Publication Number Publication Date
FR1201993A true FR1201993A (en) 1960-01-07

Family

ID=7367394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1201993D Expired FR1201993A (en) 1957-09-06 1958-09-04 Device comprising an inductance variable with the current intensity

Country Status (3)

Country Link
DE (1) DE1077332B (en)
FR (1) FR1201993A (en)
GB (1) GB890883A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007394B (en) * 1951-12-29 1957-05-02 Philips Nv Coil system with at least one high frequency coil with a pre-magnetized rod core
DE1014244B (en) * 1953-03-21 1957-08-22 Philips Nv Ferromagnetic coil core premagnetized by permanent magnets

Also Published As

Publication number Publication date
DE1077332B (en) 1960-03-10
GB890883A (en) 1962-03-07

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