FR454658A - Device eliminating the risks of contagion inherent in the use of telephone devices - Google Patents

Device eliminating the risks of contagion inherent in the use of telephone devices

Info

Publication number
FR454658A
FR454658A FR454658A FR454658DA FR454658A FR 454658 A FR454658 A FR 454658A FR 454658 A FR454658 A FR 454658A FR 454658D A FR454658D A FR 454658DA FR 454658 A FR454658 A FR 454658A
Authority
FR
France
Prior art keywords
contagion
risks
inherent
telephone devices
device eliminating
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
FR454658A
Other languages
French (fr)
Inventor
Felix Loewenstein
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 FR454658A publication Critical patent/FR454658A/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)
  • Table Equipment (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
FR454658A 1913-02-10 1913-02-21 Device eliminating the risks of contagion inherent in the use of telephone devices Expired FR454658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191303387T 1913-02-10

Publications (1)

Publication Number Publication Date
FR454658A true FR454658A (en) 1913-07-10

Family

ID=32370015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR454658A Expired FR454658A (en) 1913-02-10 1913-02-21 Device eliminating the risks of contagion inherent in the use of telephone devices

Country Status (3)

Country Link
DE (1) DE261231C (en)
FR (1) FR454658A (en)
GB (1) GB191303387A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569629A (en) * 1949-05-14 1951-10-02 Orphius F Everitt Coin-holding device
US2947444A (en) * 1956-01-18 1960-08-02 Becton Dickinson Co Disc dispenser
US3393797A (en) * 1965-12-15 1968-07-23 Corning Glass Works Electrical component handling device
DE3724881A1 (en) * 1987-07-28 1989-02-09 Hedwig Vogelsang Thread fitting to a TV headset

Also Published As

Publication number Publication date
GB191303387A (en) 1913-08-28
DE261231C (en)

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