FR582885A - Removable device protecting the ear from contact with a telephone headset - Google Patents

Removable device protecting the ear from contact with a telephone headset

Info

Publication number
FR582885A
FR582885A FR582885DA FR582885A FR 582885 A FR582885 A FR 582885A FR 582885D A FR582885D A FR 582885DA FR 582885 A FR582885 A FR 582885A
Authority
FR
France
Prior art keywords
ear
contact
removable device
device protecting
telephone headset
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
Francisque Perigault
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 FR582885A publication Critical patent/FR582885A/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
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR582885D 1924-06-11 1924-06-11 Removable device protecting the ear from contact with a telephone headset Expired FR582885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR582885T 1924-06-11

Publications (1)

Publication Number Publication Date
FR582885A true FR582885A (en) 1924-12-30

Family

ID=8958328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR582885D Expired FR582885A (en) 1924-06-11 1924-06-11 Removable device protecting the ear from contact with a telephone headset

Country Status (1)

Country Link
FR (1) FR582885A (en)

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