FR352956A - Hygienic protection device for telephone devices - Google Patents

Hygienic protection device for telephone devices

Info

Publication number
FR352956A
FR352956A FR352956DA FR352956A FR 352956 A FR352956 A FR 352956A FR 352956D A FR352956D A FR 352956DA FR 352956 A FR352956 A FR 352956A
Authority
FR
France
Prior art keywords
protection device
telephone devices
hygienic protection
hygienic
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
Bernhard Ehrlich
Max Konrad
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 FR352956A publication Critical patent/FR352956A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/12Sanitary 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)
FR352956D 1905-04-04 1905-04-04 Hygienic protection device for telephone devices Expired FR352956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR352956T 1905-04-04

Publications (1)

Publication Number Publication Date
FR352956A true FR352956A (en) 1905-08-30

Family

ID=1401152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR352956D Expired FR352956A (en) 1905-04-04 1905-04-04 Hygienic protection device for telephone devices

Country Status (1)

Country Link
FR (1) FR352956A (en)

Similar Documents

Publication Publication Date Title
FR352956A (en) Hygienic protection device for telephone devices
FR347540A (en) Antiseptic device for telephone devices
FR389614A (en) Disinfection device for telephone devices
FR354891A (en) Backpedaling device
FR374631A (en) Adjustment device for extraction devices
FR395512A (en) Protective device for telephone receivers
FR417497A (en) Disinfection device for telephone devices
FR383343A (en) Protective device to prevent contamination of telephone devices
FR411412A (en) Protection device for telephone devices
CH34005A (en) Advanced drain device for sinks
FR356728A (en) Note holders for telephone devices
FR355083A (en) Device for dust-absorbing devices
FR351237A (en) Adjusting device for dynamos
CH33738A (en) Hygienic protection device for telephones
FR348261A (en) Amplifier device for stereoscopic devices
FR372985A (en) Contact device for electric clocks
FR453024A (en) Disinfection device for telephones and similar devices
FR358623A (en) Safety device for velocipeds
FR357189A (en) Automatic device for telephone systems
CH45717A (en) Receiving device for letters
FR366507A (en) Restraint device for telephone receivers
FR357117A (en) Polishing device
FR396272A (en) Accessory device for corsets
FR416083A (en) Coupling device for phones
FR404441A (en) Emptying device for washbasins