DE248615C - - Google Patents

Info

Publication number
DE248615C
DE248615C DENDAT248615D DE248615DA DE248615C DE 248615 C DE248615 C DE 248615C DE NDAT248615 D DENDAT248615 D DE NDAT248615D DE 248615D A DE248615D A DE 248615DA DE 248615 C DE248615 C DE 248615C
Authority
DE
Germany
Prior art keywords
opening
armed lever
slide
microphone
closed
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.)
Active
Application number
DENDAT248615D
Other languages
German (de)
English (en)
Publication of DE248615C publication Critical patent/DE248615C/de
Active 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/17—Hygienic or sanitary devices on telephone equipment

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Telephone Set Structure (AREA)
DENDAT248615D Active DE248615C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE248615T

Publications (1)

Publication Number Publication Date
DE248615C true DE248615C (enrdf_load_html_response)

Family

ID=5935600

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT248615D Active DE248615C (enrdf_load_html_response)
DENDAT231404D Active DE231404C (enrdf_load_html_response)

Family Applications After (1)

Application Number Title Priority Date Filing Date
DENDAT231404D Active DE231404C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (2) DE231404C (enrdf_load_html_response)

Also Published As

Publication number Publication date
DE231404C (enrdf_load_html_response)

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