DE293225C - - Google Patents

Info

Publication number
DE293225C
DE293225C DENDAT293225D DE293225DA DE293225C DE 293225 C DE293225 C DE 293225C DE NDAT293225 D DENDAT293225 D DE NDAT293225D DE 293225D A DE293225D A DE 293225DA DE 293225 C DE293225 C DE 293225C
Authority
DE
Germany
Prior art keywords
pen
sound
sonic
tip
cylindrical pin
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
DENDAT293225D
Other languages
German (de)
English (en)
Publication of DE293225C publication Critical patent/DE293225C/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
DENDAT293225D Active DE293225C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE293225C true DE293225C (enrdf_load_html_response)

Family

ID=547907

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT293225D Active DE293225C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE293225C (enrdf_load_html_response)

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