FR507271A - Improvements to variometers - Google Patents

Improvements to variometers

Info

Publication number
FR507271A
FR507271A FR507271A FR507271DA FR507271A FR 507271 A FR507271 A FR 507271A FR 507271 A FR507271 A FR 507271A FR 507271D A FR507271D A FR 507271DA FR 507271 A FR507271 A FR 507271A
Authority
FR
France
Prior art keywords
variometers
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
FR507271A
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.)
D INSTR DE PREC SOC IND
Original Assignee
D INSTR DE PREC SOC IND
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 D INSTR DE PREC SOC IND filed Critical D INSTR DE PREC SOC IND
Application granted granted Critical
Publication of FR507271A publication Critical patent/FR507271A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F21/005—Inductances without magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR507271A 1919-02-28 1919-02-28 Improvements to variometers Expired FR507271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR507271T 1919-02-28

Publications (1)

Publication Number Publication Date
FR507271A true FR507271A (en) 1920-09-09

Family

ID=8909654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR507271A Expired FR507271A (en) 1919-02-28 1919-02-28 Improvements to variometers

Country Status (1)

Country Link
FR (1) FR507271A (en)

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