FR770529A - protective screens for telephone devices - Google Patents

protective screens for telephone devices

Info

Publication number
FR770529A
FR770529A FR770529DA FR770529A FR 770529 A FR770529 A FR 770529A FR 770529D A FR770529D A FR 770529DA FR 770529 A FR770529 A FR 770529A
Authority
FR
France
Prior art keywords
telephone devices
protective screens
screens
protective
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
Alexandre Salerni
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 FR770529A publication Critical patent/FR770529A/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)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
FR770529D 1935-03-21 1934-03-22 protective screens for telephone devices Expired FR770529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB892835A GB458852A (en) 1935-03-21 1935-03-21 Improvements in or relating to protective devices for telephone apparatus or the like

Publications (1)

Publication Number Publication Date
FR770529A true FR770529A (en) 1934-09-14

Family

ID=9862015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR770529D Expired FR770529A (en) 1935-03-21 1934-03-22 protective screens for telephone devices

Country Status (3)

Country Link
BE (1) BE408589A (en)
FR (1) FR770529A (en)
GB (1) GB458852A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000463A (en) * 1961-09-19 Detachable ear plugs for stethoscopes
GB567600A (en) * 1943-07-19 1945-02-22 Automatic Telephone & Elect Improvements in telephone instruments
US2544267A (en) * 1947-10-25 1951-03-06 William J Konvalinka Cushioning device for telephone receivers
US2607862A (en) * 1950-11-01 1952-08-19 Panken Albert Disposable antiseptic telephone mouthpiece protector
US4546217A (en) * 1983-10-27 1985-10-08 Frehn John L Telephone sanitary cover
US4751731A (en) * 1985-02-19 1988-06-14 Connor Desmond O Telephone handset disinfecting and/or deodorizing device
GB2180752A (en) * 1985-09-24 1987-04-08 Tk Ind Supplies Bactericidal shields for telephone handsets
US4736418A (en) * 1986-12-22 1988-04-05 Steadman Diana M Soft cover for telephone
WO1989006479A1 (en) * 1988-01-06 1989-07-13 Ian Daniel Mcginn Hygienic covers for telephones
US4964161A (en) * 1990-01-23 1990-10-16 Trowbridge Jr Allen R Cover for a telephone handset

Also Published As

Publication number Publication date
GB458852A (en) 1935-09-23
BE408589A (en) 1936-04-30

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