DE217132C - - Google Patents

Info

Publication number
DE217132C
DE217132C DENDAT217132D DE217132DA DE217132C DE 217132 C DE217132 C DE 217132C DE NDAT217132 D DENDAT217132 D DE NDAT217132D DE 217132D A DE217132D A DE 217132DA DE 217132 C DE217132 C DE 217132C
Authority
DE
Germany
Prior art keywords
pen
head
sound
cutting edge
curves
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
DENDAT217132D
Other languages
German (de)
English (en)
Publication of DE217132C publication Critical patent/DE217132C/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
    • G11B3/48—Needles

Landscapes

  • Pens And Brushes (AREA)
DENDAT217132D Active DE217132C (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
DE217132C true DE217132C (cg-RX-API-DMAC7.html)

Family

ID=478460

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT217132D Active DE217132C (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
DE (1) DE217132C (cg-RX-API-DMAC7.html)

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