DE290741C - - Google Patents

Info

Publication number
DE290741C
DE290741C DENDAT290741D DE290741DA DE290741C DE 290741 C DE290741 C DE 290741C DE NDAT290741 D DENDAT290741 D DE NDAT290741D DE 290741D A DE290741D A DE 290741DA DE 290741 C DE290741 C DE 290741C
Authority
DE
Germany
Prior art keywords
funnel
sound
sound tube
plate
namely
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
DENDAT290741D
Other languages
German (de)
English (en)
Publication of DE290741C publication Critical patent/DE290741C/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
    • G11B25/00—Apparatus 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
    • G11B25/04—Apparatus 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 flat record carriers, e.g. disc, card

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DENDAT290741D Active DE290741C (https=)

Publications (1)

Publication Number Publication Date
DE290741C true DE290741C (https=)

Family

ID=545675

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT290741D Active DE290741C (https=)

Country Status (1)

Country Link
DE (1) DE290741C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481769A (en) * 1993-01-15 1996-01-09 Dewert Antriebs- U. Systemtechnik Gmbh & Co Kg Lifting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481769A (en) * 1993-01-15 1996-01-09 Dewert Antriebs- U. Systemtechnik Gmbh & Co Kg Lifting apparatus

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