FR401129A - Disinfector device for mouthpieces of telephones and similar instruments - Google Patents

Disinfector device for mouthpieces of telephones and similar instruments

Info

Publication number
FR401129A
FR401129A FR401129DA FR401129A FR 401129 A FR401129 A FR 401129A FR 401129D A FR401129D A FR 401129DA FR 401129 A FR401129 A FR 401129A
Authority
FR
France
Prior art keywords
mouthpieces
telephones
similar instruments
disinfector device
disinfector
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
Alfred Weintraud
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 FR401129A publication Critical patent/FR401129A/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)
FR401129D 1908-03-24 1909-03-23 Disinfector device for mouthpieces of telephones and similar instruments Expired FR401129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB401129X 1908-03-24

Publications (1)

Publication Number Publication Date
FR401129A true FR401129A (en) 1909-08-19

Family

ID=1445951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR401129D Expired FR401129A (en) 1908-03-24 1909-03-23 Disinfector device for mouthpieces of telephones and similar instruments

Country Status (1)

Country Link
FR (1) FR401129A (en)

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