FR358270A - Apparatus for strengthening telephone currents - Google Patents

Apparatus for strengthening telephone currents

Info

Publication number
FR358270A
FR358270A FR358270DA FR358270A FR 358270 A FR358270 A FR 358270A FR 358270D A FR358270D A FR 358270DA FR 358270 A FR358270 A FR 358270A
Authority
FR
France
Prior art keywords
strengthening
telephone currents
currents
telephone
strengthening 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)
Inventor
Franz Oprendek
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.)
ALLG ACCUMULATORENWERKE ACTIEN
Original Assignee
ALLG ACCUMULATORENWERKE ACTIEN
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 ALLG ACCUMULATORENWERKE ACTIEN filed Critical ALLG ACCUMULATORENWERKE ACTIEN
Application granted granted Critical
Publication of FR358270A publication Critical patent/FR358270A/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
    • H04M1/02—Constructional features of telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR358270D 1905-10-04 1905-10-04 Apparatus for strengthening telephone currents Expired FR358270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR358270T 1905-10-04

Publications (1)

Publication Number Publication Date
FR358270A true FR358270A (en) 1906-02-07

Family

ID=1406111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR358270D Expired FR358270A (en) 1905-10-04 1905-10-04 Apparatus for strengthening telephone currents

Country Status (1)

Country Link
FR (1) FR358270A (en)

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