FR505774A - Electrical communication system - Google Patents

Electrical communication system

Info

Publication number
FR505774A
FR505774A FR505774A FR505774DA FR505774A FR 505774 A FR505774 A FR 505774A FR 505774 A FR505774 A FR 505774A FR 505774D A FR505774D A FR 505774DA FR 505774 A FR505774 A FR 505774A
Authority
FR
France
Prior art keywords
communication system
electrical communication
electrical
communication
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
FR505774A
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.)
MACFARLANE COMM CORP
Original Assignee
MACFARLANE COMM CORP
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 MACFARLANE COMM CORP filed Critical MACFARLANE COMM CORP
Application granted granted Critical
Publication of FR505774A publication Critical patent/FR505774A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR505774A 1919-11-05 1919-11-05 Electrical communication system Expired FR505774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR505774T 1919-11-05

Publications (1)

Publication Number Publication Date
FR505774A true FR505774A (en) 1920-08-06

Family

ID=8908699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR505774A Expired FR505774A (en) 1919-11-05 1919-11-05 Electrical communication system

Country Status (1)

Country Link
FR (1) FR505774A (en)

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