FR456869A - Device for disinfecting mouthpieces or telephone receivers - Google Patents

Device for disinfecting mouthpieces or telephone receivers

Info

Publication number
FR456869A
FR456869A FR456869A FR456869DA FR456869A FR 456869 A FR456869 A FR 456869A FR 456869 A FR456869 A FR 456869A FR 456869D A FR456869D A FR 456869DA FR 456869 A FR456869 A FR 456869A
Authority
FR
France
Prior art keywords
mouthpieces
disinfecting
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
FR456869A
Other languages
French (fr)
Inventor
Samuel Butler Dewhirst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR456869A publication Critical patent/FR456869A/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)
  • Apparatus For Disinfection Or Sterilisation (AREA)
FR456869A 1912-04-20 1913-04-19 Device for disinfecting mouthpieces or telephone receivers Expired FR456869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191209338T 1912-04-20

Publications (1)

Publication Number Publication Date
FR456869A true FR456869A (en) 1913-09-06

Family

ID=32368006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456869A Expired FR456869A (en) 1912-04-20 1913-04-19 Device for disinfecting mouthpieces or telephone receivers

Country Status (2)

Country Link
FR (1) FR456869A (en)
GB (1) GB191209338A (en)

Also Published As

Publication number Publication date
GB191209338A (en) 1913-04-21

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