DE293437C - - Google Patents

Info

Publication number
DE293437C
DE293437C DENDAT293437D DE293437DA DE293437C DE 293437 C DE293437 C DE 293437C DE NDAT293437 D DENDAT293437 D DE NDAT293437D DE 293437D A DE293437D A DE 293437DA DE 293437 C DE293437 C DE 293437C
Authority
DE
Germany
Prior art keywords
pen
sound
acute angle
record
line
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
DENDAT293437D
Other languages
German (de)
English (en)
Publication of DE293437C publication Critical patent/DE293437C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44Styli, e.g. sapphire, diamond
    • G11B3/46Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
    • G11B3/48Needles
DENDAT293437D Active DE293437C (cs)

Publications (1)

Publication Number Publication Date
DE293437C true DE293437C (cs)

Family

ID=548096

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT293437D Active DE293437C (cs)

Country Status (1)

Country Link
DE (1) DE293437C (cs)

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