FR512108A - Device for phonographic recording and reproduction of conversations transmitted by telephone - Google Patents

Device for phonographic recording and reproduction of conversations transmitted by telephone

Info

Publication number
FR512108A
FR512108A FR512108A FR512108DA FR512108A FR 512108 A FR512108 A FR 512108A FR 512108 A FR512108 A FR 512108A FR 512108D A FR512108D A FR 512108DA FR 512108 A FR512108 A FR 512108A
Authority
FR
France
Prior art keywords
reproduction
telephone
phonographic recording
conversations
transmitted
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
FR512108A
Other languages
French (fr)
Inventor
Fhanz Seelau
Alexander Morris Newman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR512108A publication Critical patent/FR512108A/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
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR512108A 1914-12-05 1915-11-23 Device for phonographic recording and reproduction of conversations transmitted by telephone Expired FR512108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE512108X 1914-12-05

Publications (1)

Publication Number Publication Date
FR512108A true FR512108A (en) 1921-01-15

Family

ID=6548030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512108A Expired FR512108A (en) 1914-12-05 1915-11-23 Device for phonographic recording and reproduction of conversations transmitted by telephone

Country Status (1)

Country Link
FR (1) FR512108A (en)

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