FR838197A - Perfectionnements aux appareils électriques tels que transformateurs, rhéostats, etc., comportant plusieurs prises de contact - Google Patents

Perfectionnements aux appareils électriques tels que transformateurs, rhéostats, etc., comportant plusieurs prises de contact

Info

Publication number
FR838197A
FR838197A FR838197DA FR838197A FR 838197 A FR838197 A FR 838197A FR 838197D A FR838197D A FR 838197DA FR 838197 A FR838197 A FR 838197A
Authority
FR
France
Prior art keywords
rheostats
transformers
contact points
electrical devices
several contact
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
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.)
TELEPHONES GRAMMONT SOC D
Original Assignee
TELEPHONES GRAMMONT SOC D
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 TELEPHONES GRAMMONT SOC D filed Critical TELEPHONES GRAMMONT SOC D
Application granted granted Critical
Publication of FR838197A publication Critical patent/FR838197A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR838197D 1938-05-20 1938-05-20 Perfectionnements aux appareils électriques tels que transformateurs, rhéostats, etc., comportant plusieurs prises de contact Expired FR838197A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR838197T 1938-05-20

Publications (1)

Publication Number Publication Date
FR838197A true FR838197A (fr) 1939-02-28

Family

ID=9298926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838197D Expired FR838197A (fr) 1938-05-20 1938-05-20 Perfectionnements aux appareils électriques tels que transformateurs, rhéostats, etc., comportant plusieurs prises de contact

Country Status (1)

Country Link
FR (1) FR838197A (fr)

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