FR389242A - Récepteur téléphonique de petites dimensions - Google Patents

Récepteur téléphonique de petites dimensions

Info

Publication number
FR389242A
FR389242A FR389242A FR389242DA FR389242A FR 389242 A FR389242 A FR 389242A FR 389242 A FR389242 A FR 389242A FR 389242D A FR389242D A FR 389242DA FR 389242 A FR389242 A FR 389242A
Authority
FR
France
Prior art keywords
phone receiver
small phone
small
receiver
phone
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
FR389242A
Other languages
English (en)
Inventor
Knut Eric Ericsson
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 FR389242A publication Critical patent/FR389242A/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
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
FR389242A 1907-04-16 1908-04-15 Récepteur téléphonique de petites dimensions Expired FR389242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE389242X 1907-04-16

Publications (1)

Publication Number Publication Date
FR389242A true FR389242A (fr) 1908-09-03

Family

ID=1434864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR389242A Expired FR389242A (fr) 1907-04-16 1908-04-15 Récepteur téléphonique de petites dimensions

Country Status (1)

Country Link
FR (1) FR389242A (fr)

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