DE131067C - - Google Patents

Info

Publication number
DE131067C
DE131067C DENDAT131067D DE131067DA DE131067C DE 131067 C DE131067 C DE 131067C DE NDAT131067 D DENDAT131067 D DE NDAT131067D DE 131067D A DE131067D A DE 131067DA DE 131067 C DE131067 C DE 131067C
Authority
DE
Germany
Prior art keywords
springs
grain
record
housing
lamellae
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
DENDAT131067D
Other languages
German (de)
English (en)
Publication of DE131067C publication Critical patent/DE131067C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/08Mouthpieces; Microphones; Attachments therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DENDAT131067D Active DE131067C (https=)

Publications (1)

Publication Number Publication Date
DE131067C true DE131067C (https=)

Family

ID=399422

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT131067D Active DE131067C (https=)

Country Status (1)

Country Link
DE (1) DE131067C (https=)

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