FR777758A - Coil, in particular for charging telegraph or telephone lines - Google Patents

Coil, in particular for charging telegraph or telephone lines

Info

Publication number
FR777758A
FR777758A FR777758DA FR777758A FR 777758 A FR777758 A FR 777758A FR 777758D A FR777758D A FR 777758DA FR 777758 A FR777758 A FR 777758A
Authority
FR
France
Prior art keywords
telegraph
charging
coil
telephone lines
telephone
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR777758A publication Critical patent/FR777758A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/08Loading coils for telecommunication circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR777758D 1933-09-29 1934-08-27 Coil, in particular for charging telegraph or telephone lines Expired FR777758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE777758X 1933-09-29

Publications (1)

Publication Number Publication Date
FR777758A true FR777758A (en) 1935-02-28

Family

ID=6686829

Family Applications (1)

Application Number Title Priority Date Filing Date
FR777758D Expired FR777758A (en) 1933-09-29 1934-08-27 Coil, in particular for charging telegraph or telephone lines

Country Status (1)

Country Link
FR (1) FR777758A (en)

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