FR382438A - Récepteur téléphonique - Google Patents

Récepteur téléphonique

Info

Publication number
FR382438A
FR382438A FR382438DA FR382438A FR 382438 A FR382438 A FR 382438A FR 382438D A FR382438D A FR 382438DA FR 382438 A FR382438 A FR 382438A
Authority
FR
France
Prior art keywords
telephone receiver
telephone
receiver
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.)
SOC IND DES TELEPHONES CONSTR
Original Assignee
SOC IND DES TELEPHONES CONSTR
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 SOC IND DES TELEPHONES CONSTR filed Critical SOC IND DES TELEPHONES CONSTR
Application granted granted Critical
Publication of FR382438A publication Critical patent/FR382438A/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
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR382438D 1907-09-30 1907-09-30 Récepteur téléphonique Expired FR382438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR382438T 1907-09-30

Publications (1)

Publication Number Publication Date
FR382438A true FR382438A (fr) 1908-02-06

Family

ID=1428517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR382438D Expired FR382438A (fr) 1907-09-30 1907-09-30 Récepteur téléphonique

Country Status (1)

Country Link
FR (1) FR382438A (fr)

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