FR415593A - Relai phonique - Google Patents

Relai phonique

Info

Publication number
FR415593A
FR415593A FR415593DA FR415593A FR 415593 A FR415593 A FR 415593A FR 415593D A FR415593D A FR 415593DA FR 415593 A FR415593 A FR 415593A
Authority
FR
France
Prior art keywords
phonic
relay
phonic relay
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 FR415593A publication Critical patent/FR415593A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR415593D 1910-04-18 1910-04-18 Relai phonique Expired FR415593A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR415593T 1910-04-18

Publications (1)

Publication Number Publication Date
FR415593A true FR415593A (fr) 1910-09-29

Family

ID=1459174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR415593D Expired FR415593A (fr) 1910-04-18 1910-04-18 Relai phonique

Country Status (1)

Country Link
FR (1) FR415593A (fr)

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