DE174988C - - Google Patents

Info

Publication number
DE174988C
DE174988C DENDAT174988D DE174988DA DE174988C DE 174988 C DE174988 C DE 174988C DE NDAT174988 D DENDAT174988 D DE NDAT174988D DE 174988D A DE174988D A DE 174988DA DE 174988 C DE174988 C DE 174988C
Authority
DE
Germany
Prior art keywords
housing
cone
mouthpiece
horn
conical
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
DENDAT174988D
Other languages
German (de)
English (en)
Publication of DE174988C publication Critical patent/DE174988C/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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
DENDAT174988D Active DE174988C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE174988T

Publications (1)

Publication Number Publication Date
DE174988C true DE174988C (enrdf_load_stackoverflow)

Family

ID=5691614

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT174988D Active DE174988C (enrdf_load_stackoverflow)

Country Status (2)

Country Link
DE (1) DE174988C (enrdf_load_stackoverflow)
FR (1) FR357990A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR357990A (fr) 1906-01-22

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