GB191002647A - Improvements in Expression Devices for Automatic Musical Instruments. - Google Patents

Improvements in Expression Devices for Automatic Musical Instruments.

Info

Publication number
GB191002647A
GB191002647A GB191002647DA GB191002647A GB 191002647 A GB191002647 A GB 191002647A GB 191002647D A GB191002647D A GB 191002647DA GB 191002647 A GB191002647 A GB 191002647A
Authority
GB
United Kingdom
Prior art keywords
pointer
tune
bellows
pen
curve
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
Inventor
Felipe Saldana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191002647A publication Critical patent/GB191002647A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10F—AUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00—Automatic musical instruments
    • G10F1/02—Pianofortes with keyboard

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

2647. Saldana, F. Feb. 2, 1909, [Convention date]. Expression, controlling; tune - sheets. - A bellows b, in connexion with the wind-chest, is connected by a rod c to a sliding rod d carrying a pen or pointer e. The bellows b is normally expanded by a spring h, against which an adjustable screw i bears. A curve j, which indicates the variations of pressure in the windchest and therefore the variations in the loudness of the notes produced, is recorded by the pen on the tune-sheet while the instrument is being played in the ordinary manner. In subsequently reproducing the tune played, the treadles are so operated that the pointer e follows the curve j as nearly as possible. The pointer c may be actuated by one of the bellows usually provided. In a modification, the pointer e moves over a scale, suitable indications being marked on the tune-sheet.
GB191002647D 1909-02-02 1910-02-02 Improvements in Expression Devices for Automatic Musical Instruments. Expired GB191002647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR191002647X 1909-02-02

Publications (1)

Publication Number Publication Date
GB191002647A true GB191002647A (en) 1910-06-16

Family

ID=32525693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191002647D Expired GB191002647A (en) 1909-02-02 1910-02-02 Improvements in Expression Devices for Automatic Musical Instruments.

Country Status (1)

Country Link
GB (1) GB191002647A (en)

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