FR13921E - Relais phonique - Google Patents

Relais phonique

Info

Publication number
FR13921E
FR13921E FR13921DA FR13921E FR 13921 E FR13921 E FR 13921E FR 13921D A FR13921D A FR 13921DA FR 13921 E FR13921 E FR 13921E
Authority
FR
France
Prior art keywords
sound relay
relay
sound
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)
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.)
Societe des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
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 Societe des Etablissements Gaumont filed Critical Societe des Etablissements Gaumont
Application granted granted Critical
Publication of FR13921E publication Critical patent/FR13921E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR13921D 1910-04-18 1910-05-28 Relais phonique Expired FR13921E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR415593T 1910-04-18
FR13921T 1910-05-28

Publications (1)

Publication Number Publication Date
FR13921E true FR13921E (fr) 1911-08-07

Family

ID=1355915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR13921D Expired FR13921E (fr) 1910-04-18 1910-05-28 Relais phonique

Country Status (1)

Country Link
FR (1) FR13921E (fr)

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