FR828935A - Perfectionnements aux systèmes de téléphonie automatique - Google Patents

Perfectionnements aux systèmes de téléphonie automatique

Info

Publication number
FR828935A
FR828935A FR828935DA FR828935A FR 828935 A FR828935 A FR 828935A FR 828935D A FR828935D A FR 828935DA FR 828935 A FR828935 A FR 828935A
Authority
FR
France
Prior art keywords
line
paths
striking
link
voltage
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)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR828935A publication Critical patent/FR828935A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C22/00—Alloys based on manganese

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR828935D 1936-11-14 1937-11-09 Perfectionnements aux systèmes de téléphonie automatique Expired FR828935A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE505506X 1936-11-14

Publications (1)

Publication Number Publication Date
FR828935A true FR828935A (fr) 1938-06-03

Family

ID=20310830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828935D Expired FR828935A (fr) 1936-11-14 1937-11-09 Perfectionnements aux systèmes de téléphonie automatique

Country Status (3)

Country Link
BE (1) BE505506A (en:Method)
FR (1) FR828935A (en:Method)
GB (1) GB505506A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519943A (en:Method) * 1952-02-13

Also Published As

Publication number Publication date
BE505506A (en:Method)
GB505506A (en) 1939-05-11

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