FR565543A - Headphones for t hearing. s. f. - Google Patents

Headphones for t hearing. s. f.

Info

Publication number
FR565543A
FR565543A FR565543DA FR565543A FR 565543 A FR565543 A FR 565543A FR 565543D A FR565543D A FR 565543DA FR 565543 A FR565543 A FR 565543A
Authority
FR
France
Prior art keywords
headphones
hearing
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
Armand Couaillet
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 filed Critical
Application granted granted Critical
Publication of FR565543A publication Critical patent/FR565543A/en
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR565543D 1923-04-26 1923-04-26 Headphones for t hearing. s. f. Expired FR565543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR565543T 1923-04-26

Publications (1)

Publication Number Publication Date
FR565543A true FR565543A (en) 1924-01-29

Family

ID=8946509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR565543D Expired FR565543A (en) 1923-04-26 1923-04-26 Headphones for t hearing. s. f.

Country Status (1)

Country Link
FR (1) FR565543A (en)

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