DE90342C - - Google Patents

Info

Publication number
DE90342C
DE90342C DENDAT90342D DE90342DA DE90342C DE 90342 C DE90342 C DE 90342C DE NDAT90342 D DENDAT90342 D DE NDAT90342D DE 90342D A DE90342D A DE 90342DA DE 90342 C DE90342 C DE 90342C
Authority
DE
Germany
Prior art keywords
membrane
roller
pen
phonograph
frame
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
DENDAT90342D
Other languages
German (de)
English (en)
Publication of DE90342C publication Critical patent/DE90342C/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
DENDAT90342D Active DE90342C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE90342C true DE90342C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=362076

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT90342D Active DE90342C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE90342C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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