FR480272A - Improvements to high frequency installations by the application of adjustment chokes in superimposed toroids - Google Patents

Improvements to high frequency installations by the application of adjustment chokes in superimposed toroids

Info

Publication number
FR480272A
FR480272A FR480272DA FR480272A FR 480272 A FR480272 A FR 480272A FR 480272D A FR480272D A FR 480272DA FR 480272 A FR480272 A FR 480272A
Authority
FR
France
Prior art keywords
toroids
chokes
superimposed
adjustment
application
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR480272A publication Critical patent/FR480272A/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
    • H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR480272D 1914-12-01 1914-12-01 Improvements to high frequency installations by the application of adjustment chokes in superimposed toroids Expired FR480272A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR480272T 1914-12-01

Publications (1)

Publication Number Publication Date
FR480272A true FR480272A (en) 1916-07-12

Family

ID=1517515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR480272D Expired FR480272A (en) 1914-12-01 1914-12-01 Improvements to high frequency installations by the application of adjustment chokes in superimposed toroids

Country Status (1)

Country Link
FR (1) FR480272A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461089A1 (en) * 1979-07-09 1981-01-30 Bordessoule Guy Recovery appts. for rods jammed at bottom of well during drilling - has reversing tool incorporating hydraulically operated piston causing rotation by screw-nut effect avoiding rotation of rod train

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461089A1 (en) * 1979-07-09 1981-01-30 Bordessoule Guy Recovery appts. for rods jammed at bottom of well during drilling - has reversing tool incorporating hydraulically operated piston causing rotation by screw-nut effect avoiding rotation of rod train

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