DE109204C - - Google Patents

Info

Publication number
DE109204C
DE109204C DENDAT109204D DE109204DA DE109204C DE 109204 C DE109204 C DE 109204C DE NDAT109204 D DENDAT109204 D DE NDAT109204D DE 109204D A DE109204D A DE 109204DA DE 109204 C DE109204 C DE 109204C
Authority
DE
Germany
Prior art keywords
membrane
pen
notch
diaphragm
writing tool
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
DENDAT109204D
Other languages
German (de)
English (en)
Publication of DE109204C publication Critical patent/DE109204C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/02Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using cylindrical record carriers
DENDAT109204D Active DE109204C (ca)

Publications (1)

Publication Number Publication Date
DE109204C true DE109204C (ca)

Family

ID=379119

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT109204D Active DE109204C (ca)

Country Status (1)

Country Link
DE (1) DE109204C (ca)

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