FR589581A - Casque d'écoute téléphonique - Google Patents

Casque d'écoute téléphonique

Info

Publication number
FR589581A
FR589581A FR589581DA FR589581A FR 589581 A FR589581 A FR 589581A FR 589581D A FR589581D A FR 589581DA FR 589581 A FR589581 A FR 589581A
Authority
FR
France
Prior art keywords
phone headset
headset
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
Other languages
English (en)
Inventor
Theo Volk
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 FR589581A publication Critical patent/FR589581A/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
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR589581D 1924-07-30 1924-11-24 Casque d'écoute téléphonique Expired FR589581A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE589581X 1924-07-30

Publications (1)

Publication Number Publication Date
FR589581A true FR589581A (fr) 1925-06-02

Family

ID=6572575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR589581D Expired FR589581A (fr) 1924-07-30 1924-11-24 Casque d'écoute téléphonique

Country Status (1)

Country Link
FR (1) FR589581A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865881A1 (fr) * 2004-01-29 2005-08-05 Mathieu Garin Casque audio

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865881A1 (fr) * 2004-01-29 2005-08-05 Mathieu Garin Casque audio
WO2005084072A1 (fr) * 2004-01-29 2005-09-09 Matthieu Garin Casque audio

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