FR754710A - Prophylactic device for telephone receivers and other similar devices - Google Patents

Prophylactic device for telephone receivers and other similar devices

Info

Publication number
FR754710A
FR754710A FR754710DA FR754710A FR 754710 A FR754710 A FR 754710A FR 754710D A FR754710D A FR 754710DA FR 754710 A FR754710 A FR 754710A
Authority
FR
France
Prior art keywords
similar devices
prophylactic device
telephone receivers
receivers
telephone
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
Antonio Borello
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 FR754710A publication Critical patent/FR754710A/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)
FR754710D 1932-08-20 1933-04-25 Prophylactic device for telephone receivers and other similar devices Expired FR754710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT754710X 1932-08-20

Publications (1)

Publication Number Publication Date
FR754710A true FR754710A (en) 1933-11-13

Family

ID=11315755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754710D Expired FR754710A (en) 1932-08-20 1933-04-25 Prophylactic device for telephone receivers and other similar devices

Country Status (2)

Country Link
BE (1) BE397026A (en)
FR (1) FR754710A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437825A1 (en) * 1978-10-03 1980-04-30 Celatose Sa Ear protector for use with ear-phones - has padded, adhesive rim and dished centre with array of holes
WO1989006479A1 (en) * 1988-01-06 1989-07-13 Ian Daniel Mcginn Hygienic covers for telephones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437825A1 (en) * 1978-10-03 1980-04-30 Celatose Sa Ear protector for use with ear-phones - has padded, adhesive rim and dished centre with array of holes
WO1989006479A1 (en) * 1988-01-06 1989-07-13 Ian Daniel Mcginn Hygienic covers for telephones

Also Published As

Publication number Publication date
BE397026A (en)

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