DE118460C - - Google Patents

Info

Publication number
DE118460C
DE118460C DENDAT118460D DE118460DA DE118460C DE 118460 C DE118460 C DE 118460C DE NDAT118460 D DENDAT118460 D DE NDAT118460D DE 118460D A DE118460D A DE 118460DA DE 118460 C DE118460 C DE 118460C
Authority
DE
Germany
Prior art keywords
record
container
grains
grain
flexible material
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
DENDAT118460D
Other languages
German (de)
English (en)
Publication of DE118460C publication Critical patent/DE118460C/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)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
DENDAT118460D Active DE118460C (https=)

Publications (1)

Publication Number Publication Date
DE118460C true DE118460C (https=)

Family

ID=387655

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT118460D Active DE118460C (https=)

Country Status (1)

Country Link
DE (1) DE118460C (https=)

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