DE139995C - - Google Patents

Info

Publication number
DE139995C
DE139995C DENDAT139995D DE139995DA DE139995C DE 139995 C DE139995 C DE 139995C DE NDAT139995 D DENDAT139995 D DE NDAT139995D DE 139995D A DE139995D A DE 139995DA DE 139995 C DE139995 C DE 139995C
Authority
DE
Germany
Prior art keywords
membrane
spider
plate
rubber
ring
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
DENDAT139995D
Other languages
German (de)
English (en)
Publication of DE139995C publication Critical patent/DE139995C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DENDAT139995D Active DE139995C (2)

Publications (1)

Publication Number Publication Date
DE139995C true DE139995C (2)

Family

ID=407704

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT139995D Active DE139995C (2)

Country Status (1)

Country Link
DE (1) DE139995C (2)

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