DE274742C - - Google Patents

Info

Publication number
DE274742C
DE274742C DENDAT274742D DE274742DA DE274742C DE 274742 C DE274742 C DE 274742C DE NDAT274742 D DENDAT274742 D DE NDAT274742D DE 274742D A DE274742D A DE 274742DA DE 274742 C DE274742 C DE 274742C
Authority
DE
Germany
Prior art keywords
sound
carrier
speaking
plates
carriers
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
DENDAT274742D
Other languages
German (de)
English (en)
Publication of DE274742C publication Critical patent/DE274742C/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor

Landscapes

  • Toys (AREA)
DENDAT274742D Active DE274742C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE274742C true DE274742C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=531084

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT274742D Active DE274742C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE274742C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520284A (en) * 1944-12-09 1950-08-29 Harry G Lundgren Time announcing phonograph

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520284A (en) * 1944-12-09 1950-08-29 Harry G Lundgren Time announcing phonograph

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