DE285850C - - Google Patents

Info

Publication number
DE285850C
DE285850C DENDAT285850D DE285850DA DE285850C DE 285850 C DE285850 C DE 285850C DE NDAT285850 D DENDAT285850 D DE NDAT285850D DE 285850D A DE285850D A DE 285850DA DE 285850 C DE285850 C DE 285850C
Authority
DE
Germany
Prior art keywords
keys
white
yellow
black
keyboard
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
DENDAT285850D
Other languages
German (de)
English (en)
Publication of DE285850C publication Critical patent/DE285850C/de
Active 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)
  • Electrophonic Musical Instruments (AREA)
DENDAT285850D Active DE285850C (OSRAM)

Publications (1)

Publication Number Publication Date
DE285850C true DE285850C (OSRAM)

Family

ID=541218

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT285850D Active DE285850C (OSRAM)

Country Status (1)

Country Link
DE (1) DE285850C (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475364A (en) * 1981-08-17 1984-10-09 Claire D. Frank Door-barring lock apparatus
DE102006034140A1 (de) * 2006-04-21 2007-10-31 Pörksen, Christian, Dr. Klaviatur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475364A (en) * 1981-08-17 1984-10-09 Claire D. Frank Door-barring lock apparatus
DE102006034140A1 (de) * 2006-04-21 2007-10-31 Pörksen, Christian, Dr. Klaviatur

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