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DE42004C - Coupling of an ordinary keyboard with a keyboard protected by patents 25282 and 32138 - Google Patents

Coupling of an ordinary keyboard with a keyboard protected by patents 25282 and 32138

Info

Publication number
DE42004C
DE42004C DENDAT42004D DE42004DA DE42004C DE 42004 C DE42004 C DE 42004C DE NDAT42004 D DENDAT42004 D DE NDAT42004D DE 42004D A DE42004D A DE 42004DA DE 42004 C DE42004 C DE 42004C
Authority
DE
Germany
Prior art keywords
keyboard
coupling
ordinary
patents
protected
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
DENDAT42004D
Other languages
German (de)
Original Assignee
O. SEIFERT in Dresden, Holbeinstr. 53 III
Publication of DE42004C publication Critical patent/DE42004C/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)
  • Push-Button Switches (AREA)

Description

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

BERLTK. GEDRUCKT IN DER REICHSDRUCKEREI.BERLTK. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

Patent-Anspruch:Patent claim: Verkuppelung einer gewöhnlichen Klaviatur mit einer Janko' sehen Klaviatur, gekennzeichnet durch den an jedem Tastenhebel der Janko'-schen Klaviatur angebrachten Stecher c, sowie die an jedem Tastenhebel der gewöhnlichen Klaviatur befindliche Stellschraube g und die mit Schrauben i versehene Leiste e. Coupling of an ordinary keyboard with a Janko keyboard, characterized by the engraver c attached to each key lever of the Janko keyboard, as well as the adjusting screw g located on each key lever of the ordinary keyboard and the strip e provided with screws i. Die Benutzung dieser Einrichtung ist an die Zustimmung des Inhabers der Patente No. 25282 und No. 32138 gebunden.Use of this facility is subject to the consent of the owner of patent no. 25282 and No. 32138 bound.
DENDAT42004D Coupling of an ordinary keyboard with a keyboard protected by patents 25282 and 32138 Expired - Lifetime DE42004C (en)

Publications (1)

Publication Number Publication Date
DE42004C true DE42004C (en)

Family

ID=317436

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT42004D Expired - Lifetime DE42004C (en) Coupling of an ordinary keyboard with a keyboard protected by patents 25282 and 32138

Country Status (1)

Country Link
DE (1) DE42004C (en)

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