DE40046C - Double keyboard - Google Patents

Double keyboard

Info

Publication number
DE40046C
DE40046C DENDAT40046D DE40046DA DE40046C DE 40046 C DE40046 C DE 40046C DE NDAT40046 D DENDAT40046 D DE NDAT40046D DE 40046D A DE40046D A DE 40046DA DE 40046 C DE40046 C DE 40046C
Authority
DE
Germany
Prior art keywords
double keyboard
keyboard
double
keys
frame
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.)
Expired - Lifetime
Application number
DENDAT40046D
Other languages
German (de)
Original Assignee
ANDR. L. KROM in Utrecht, Holland
Publication of DE40046C publication Critical patent/DE40046C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Screen Printers (AREA)

Description

Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.

BEItLIN GEDRUCKT IN DER REICHSDRUCKEREI.BEITLIN PRINTED IN THE REICHSPRINTEREI.

Claims (1)

Patent-Anspruch :Patent claim: Bei Klavieren oder anderen mit Tasten versehenen Musikinstrumenten eine Doppel-Klaviatur, bestehend aus einem Rahmen (A), auf dessen beiden Flächen die Tastenreiheri (a, b) angeordnet sind, und der entweder in einem ausziehbaren Rahmen (c) drehbar gelagert ist oder direct zwischen die Wangen (d) des Instrumentes eingeschoben werden kann.In the case of pianos or other musical instruments provided with keys, a double keyboard, consisting of a frame (A), on the two surfaces of which the rows of keys (a, b) are arranged, and which is either rotatably mounted in an extendable frame (c) or directly can be inserted between the cheeks (d) of the instrument.
DENDAT40046D Double keyboard Expired - Lifetime DE40046C (en)

Publications (1)

Publication Number Publication Date
DE40046C true DE40046C (en)

Family

ID=315629

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT40046D Expired - Lifetime DE40046C (en) Double keyboard

Country Status (1)

Country Link
DE (1) DE40046C (en)

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