GB247995A - Improvements in the construction of sound-boards for stringed musical instruments - Google Patents

Improvements in the construction of sound-boards for stringed musical instruments

Info

Publication number
GB247995A
GB247995A GB4957/26A GB495726A GB247995A GB 247995 A GB247995 A GB 247995A GB 4957/26 A GB4957/26 A GB 4957/26A GB 495726 A GB495726 A GB 495726A GB 247995 A GB247995 A GB 247995A
Authority
GB
United Kingdom
Prior art keywords
bridge
curves
hyperbolic
thickness
soundboard
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
GB4957/26A
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
Publication of GB247995A publication Critical patent/GB247995A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D3/00Details of, or accessories for, stringed musical instruments, e.g. slide-bars
    • G10D3/02Resonating means, horns or diaphragms

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stringed Musical Instruments (AREA)

Abstract

247,995. Lumiere, L. Feb. 21, 1925, [Convention date]. Pianofortes and other stringed instruments, soundboards and bridges for; violins. - The formation of nodal lines in vibrating soundboards of stringed instruments is avoided by constructing the soundboard with uniform resistance to the strains transmitted by the bridge, its thickness increasing from the edges to the point or points of support of the bridge in accordance with a hyperbolic law. In a violin as shown in Figs. 1 and 3, the hyperbolic curves of thickness h radiate from the left foot p of the bridge and have a common asymptote passing through that foot. The back is similarly formed, the right foot of the bridge being extended as at v and passing freely through the belly so as to rest on the back in the position of the common asymptote. The boards may be built up of superposed sheets, indicated by dotted lines in Figs. 1 and 7, glued together and arranged so that their edges lie in the hyperbolic curves. These sheets may have tongues t as shown in Fig. 7 to give a more continuous elastic reaction. The sound holes of the violin may be placed in the sides of the bouts. In the case of a mandolin, Fig. 8, where the whole of the base of the bridge contacts with the belly, the hyperbolic curves radiate only from the ends of the bridge, being arranged parallel from m' to m<9>. In a pianoforte soundboard, Fig. 12, the curves are arranged parallel, approximately at right angles to the bridge f, which is formed by the thickness of the board intervening between the ends of the pairs of curves and may varv in width. This soundboard may also be formed of sheets with serrated edges. A modification of the previous constructions consists in arranging edge on, on a board of uniform thickness, a number of hyperbolic strips h', either parallel and perpendicular to a bridge f as shown in Fig. 17, or radiating from a common asymptote.
GB4957/26A 1925-02-21 1926-02-20 Improvements in the construction of sound-boards for stringed musical instruments Expired GB247995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR247995X 1925-02-21

Publications (1)

Publication Number Publication Date
GB247995A true GB247995A (en) 1926-07-08

Family

ID=8883829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4957/26A Expired GB247995A (en) 1925-02-21 1926-02-20 Improvements in the construction of sound-boards for stringed musical instruments

Country Status (1)

Country Link
GB (1) GB247995A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585579A (en) * 1983-07-19 1996-12-17 Ignatius; Georg Solid body capable of vibration and/or reflection in devices and installations for generating, radiating, distributing or transmitting sound vibrations
WO2010148431A1 (en) * 2009-06-24 2010-12-29 Australian Native Musical Instruments Pty Ltd Soundboard for stringed musical instruments

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585579A (en) * 1983-07-19 1996-12-17 Ignatius; Georg Solid body capable of vibration and/or reflection in devices and installations for generating, radiating, distributing or transmitting sound vibrations
WO2010148431A1 (en) * 2009-06-24 2010-12-29 Australian Native Musical Instruments Pty Ltd Soundboard for stringed musical instruments

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