FR1596574A - - Google Patents

Info

Publication number
FR1596574A
FR1596574A FR1596574DA FR1596574A FR 1596574 A FR1596574 A FR 1596574A FR 1596574D A FR1596574D A FR 1596574DA FR 1596574 A FR1596574 A FR 1596574A
Authority
FR
France
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)
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 FR1596574A publication Critical patent/FR1596574A/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; 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)
FR1596574D 1968-09-12 1968-09-12 Expired FR1596574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR165953 1968-09-12

Publications (1)

Publication Number Publication Date
FR1596574A true FR1596574A (en) 1970-06-22

Family

ID=8654485

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1596574D Expired FR1596574A (en) 1968-09-12 1968-09-12

Country Status (1)

Country Link
FR (1) FR1596574A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639783A1 (en) * 1988-11-29 1990-06-01 Serdjebi Abderrahmann Device for avoiding direct contact of the mouth and ear with the transmitter and receiver of public or private telephone handsets
WO1990006662A1 (en) * 1988-11-29 1990-06-14 Sutty, Abel, Maurice Device for avoiding direct mouth and ear contact with the transmitter and receiver of public on private telephone handsets

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639783A1 (en) * 1988-11-29 1990-06-01 Serdjebi Abderrahmann Device for avoiding direct contact of the mouth and ear with the transmitter and receiver of public or private telephone handsets
WO1990006662A1 (en) * 1988-11-29 1990-06-14 Sutty, Abel, Maurice Device for avoiding direct mouth and ear contact with the transmitter and receiver of public on private telephone handsets
FR2653960A2 (en) * 1988-11-29 1991-05-03 Serdjebi Abderrahmann Device for avoiding direct contact by the mouth and the ear with the mouthpiece and the earpiece of public or private telephone handsets

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Legal Events

Date Code Title Description
ST Notification of lapse