FR20762E - Improvement in tape recorders for telephone calls - Google Patents

Improvement in tape recorders for telephone calls

Info

Publication number
FR20762E
FR20762E FR20762DA FR20762E FR 20762 E FR20762 E FR 20762E FR 20762D A FR20762D A FR 20762DA FR 20762 E FR20762 E FR 20762E
Authority
FR
France
Prior art keywords
improvement
telephone calls
tape recorders
recorders
tape
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
Jean-Baptiste Naberes
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.)
JEAN BAPTISTE NABERES
Original Assignee
JEAN BAPTISTE NABERES
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 JEAN BAPTISTE NABERES filed Critical JEAN BAPTISTE NABERES
Application granted granted Critical
Publication of FR20762E publication Critical patent/FR20762E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/26Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets
    • H02K21/28Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets with armatures rotating within the magnets
    • H02K21/32Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets with armatures rotating within the magnets having horse-shoe magnets
    • H02K21/325Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets with armatures rotating within the magnets having horse-shoe magnets with the axis of the rotating armature perpendicular to the plane of the magnet

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR20762D 1915-09-18 1915-12-04 Improvement in tape recorders for telephone calls Expired FR20762E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR480964T 1915-09-18
FR20762T 1915-12-04

Publications (1)

Publication Number Publication Date
FR20762E true FR20762E (en) 1919-06-14

Family

ID=1361773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20762D Expired FR20762E (en) 1915-09-18 1915-12-04 Improvement in tape recorders for telephone calls

Country Status (1)

Country Link
FR (1) FR20762E (en)

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