DE314665C - - Google Patents

Info

Publication number
DE314665C
DE314665C DENDAT314665D DE314665DA DE314665C DE 314665 C DE314665 C DE 314665C DE NDAT314665 D DENDAT314665 D DE NDAT314665D DE 314665D A DE314665D A DE 314665DA DE 314665 C DE314665 C DE 314665C
Authority
DE
Germany
Prior art keywords
grain chamber
pin
record
grain
housing
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
DENDAT314665D
Other languages
German (de)
English (en)
Publication of DE314665C publication Critical patent/DE314665C/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Recording Measured Values (AREA)
DENDAT314665D Active DE314665C (ca)

Publications (1)

Publication Number Publication Date
DE314665C true DE314665C (ca)

Family

ID=567467

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT314665D Active DE314665C (ca)

Country Status (1)

Country Link
DE (1) DE314665C (ca)

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