FR768086A - Device for disinfecting and cleaning the mouths of telephone and similar apparatus - Google Patents

Device for disinfecting and cleaning the mouths of telephone and similar apparatus

Info

Publication number
FR768086A
FR768086A FR768086DA FR768086A FR 768086 A FR768086 A FR 768086A FR 768086D A FR768086D A FR 768086DA FR 768086 A FR768086 A FR 768086A
Authority
FR
France
Prior art keywords
mouths
disinfecting
telephone
cleaning
similar apparatus
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
Virgilio Fraschetti
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 FR768086A publication Critical patent/FR768086A/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)
FR768086D 1933-02-02 1934-02-02 Device for disinfecting and cleaning the mouths of telephone and similar apparatus Expired FR768086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB768086X 1933-02-02

Publications (1)

Publication Number Publication Date
FR768086A true FR768086A (en) 1934-07-31

Family

ID=10497125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768086D Expired FR768086A (en) 1933-02-02 1934-02-02 Device for disinfecting and cleaning the mouths of telephone and similar apparatus

Country Status (1)

Country Link
FR (1) FR768086A (en)

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