FR672762A - Improvements to variometers - Google Patents

Improvements to variometers

Info

Publication number
FR672762A
FR672762A FR672762DA FR672762A FR 672762 A FR672762 A FR 672762A FR 672762D A FR672762D A FR 672762DA FR 672762 A FR672762 A FR 672762A
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR672762A publication Critical patent/FR672762A/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)
FR672762D 1928-04-07 1929-04-06 Improvements to variometers Expired FR672762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US672762XA 1928-04-07 1928-04-07

Publications (1)

Publication Number Publication Date
FR672762A true FR672762A (en) 1930-01-07

Family

ID=22074906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR672762D Expired FR672762A (en) 1928-04-07 1929-04-06 Improvements to variometers

Country Status (1)

Country Link
FR (1) FR672762A (en)

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