FR640157A - Black or sharp keys for piano - Google Patents

Black or sharp keys for piano

Info

Publication number
FR640157A
FR640157A FR640157DA FR640157A FR 640157 A FR640157 A FR 640157A FR 640157D A FR640157D A FR 640157DA FR 640157 A FR640157 A FR 640157A
Authority
FR
France
Prior art keywords
piano
black
sharp keys
keys
sharp
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
Application number
Other languages
French (fr)
Inventor
Rodolphe-Serge-Edoua Schmidl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR640157A publication Critical patent/FR640157A/en
Expired 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
    • G10C3/125—Materials or treatment of materials for the manufacturing of keys

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR640157D 1927-02-08 1927-02-08 Black or sharp keys for piano Expired FR640157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR640157T 1927-02-08

Publications (1)

Publication Number Publication Date
FR640157A true FR640157A (en) 1928-07-07

Family

ID=8997272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640157D Expired FR640157A (en) 1927-02-08 1927-02-08 Black or sharp keys for piano

Country Status (1)

Country Link
FR (1) FR640157A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398359A1 (en) * 1977-07-18 1979-02-16 Carcelle Henri Proportional chromatic piano keyboard - in which relative key positions correspond to sonic ranges and with short black key between each adjacent pair of long white keys
FR2411459A1 (en) * 1977-12-12 1979-07-06 Cbs Inc KEYBOARD FOR PIANO

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398359A1 (en) * 1977-07-18 1979-02-16 Carcelle Henri Proportional chromatic piano keyboard - in which relative key positions correspond to sonic ranges and with short black key between each adjacent pair of long white keys
FR2411459A1 (en) * 1977-12-12 1979-07-06 Cbs Inc KEYBOARD FOR PIANO

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