US3869954A - Stringed instrument - Google Patents

Stringed instrument Download PDF

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Publication number
US3869954A
US3869954A US493605A US49360574A US3869954A US 3869954 A US3869954 A US 3869954A US 493605 A US493605 A US 493605A US 49360574 A US49360574 A US 49360574A US 3869954 A US3869954 A US 3869954A
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US
United States
Prior art keywords
sound
stringed instrument
hole
string
diameter
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Expired - Lifetime
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US493605A
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English (en)
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Testuo Ito
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Individual
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Individual
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Publication of US3869954A publication Critical patent/US3869954A/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D1/00—General design of stringed musical instruments
    • G10D1/04—Plucked or strummed string instruments, e.g. harps or lyres
    • G10D1/05—Plucked or strummed string instruments, e.g. harps or lyres with fret boards or fingerboards
    • G10D1/08—Guitars

Definitions

  • the present invention relates to a stringed instrument and more particularly to a stringed instrument which can produce a clear sound without accompanied by noisy sounds.
  • Such a kind of stringed instrument is constructed as to amplify the sounds produced by vibrations of strings by a resonance body having a sound board.
  • a sound hole is provided in the sound board for introducing a sound-wave caused by the vibration of the string into the resonance body and for resounding and amplifying the introduced soundwave.
  • an improved stringed instrument capable of producing a genuinely clear sound.
  • the stringed instrument of this invention has a sound board provided with two sound holes of substantially circular shape.
  • the first one of these sound holes has a diameter two times as long as that of the second sound hole.
  • the first sound hole has an area four times as large as that of the second sound hole. Deviation in diameter of each hole shall be within i3 mm.
  • the second sound hole which is smaller than the first sound hole, is positioned nearer to the bridge to which a plurality of strings is fastened. Also in the preferred embodiment of this invention, the lowest periphery of the second sound hole is spaced from the upper or inner end of the bridge by a few centimeters, most preferably by about 1.5 cm.
  • the stringed instrument according to the present invention can produce a clear and yet soft sound even when it is played by a beginner player.
  • FIG. 1 is a plan view ofa guitar embodying this invention.
  • FIG. 2 is a sectional view of a sound board of the guitar shown in FIG. 1.
  • FIG. 3-A is a graph showing an efficiency of a stringed instrument having a sound board with two sound holes one of which has a diameter of two times as long as that of the other
  • FIG. 3-3 is a graph showing an efficiency of a stringed instrument having a sound board provided with two' sound holes one of which has a diameter deviated by 1-3 mm from the two times length as that of the other.
  • a graph with reference numeral (1) shows an efficiency of a stringed instrument having a sound board provided with two sound holes the proportional diameters of which do not satisfy the relationship as defined in this invention
  • a graph with reference numeral (2) shows an efficiency of a stringed instrument according to this invention in which instrument the proportional diameters of two sound holes are maintained 2 l
  • a graph with a reference numeral (3) shows an efficiency of a conventional stringed instrument.
  • two sound holes of substantially circular shape are provided on a gourdshaped or cabash-shaped sound board of wood in spaced relationship with each other at positions between a bridge and the position at which a neck is attached.
  • the diameter ratio of the sound holes is 2 1.
  • Three strings for producing high tone sounds and another three strings for producing low tone sounds are strained over the sound holes, one end of each string is fastened to the bridge and the other end thereof is wound around a respective peg.
  • the string When a particular string is fillipped, the string begins to vibrate and thereby to induce a sound wave which in turn, is introduced in a resonant body through the sound holes provided on the sound board and causes the vibration wave in the. air filled in the resonant body.
  • the sound wave is thus resounded and amplified by the action of the resonant body and caused resonant vibration of the air, and comes out of the resonant body.
  • the stringed instrument of this invention effectively prevents the generation of a harmful secondary sound wave otherwise caused in the above resounding and amplifying operation by an advantageous co-action of the two sound holes. As a result, genuinely clear and comfortable sound may be producedby the stringed instrument of the present invention.
  • the intended object of this invention may not be attained.
  • provision of three or more of sound holes reduces the advantageous effect of this invention. Only the provision of two holes retaining the interrelationship as hereinbefore defined, invites the advantageous intended effect.
  • guitar 1 embodying this invention has a sound board 2 to the lower surface of which a bridge 3 is transversely secured.
  • Strings 4 three of which are strings for producing high tone sounds and the another three of which are strings for producing low tone sounds, are arranged in order between the bridge 3 and a respective peg 8 rotatably mounted at the upper end portion of a neck 7 which is securedly attached to a resonance body of the guitar 1.
  • a circular hole 5 to 8 cm in diameter is provided under the strings 4, and a circular hole 6 of 4 cm in diameter is provided under the strings 4, the lowest periphery of the latter being spaced by 1.5 cm from the upper end of the bridge 3.
  • the guitar having the aforementioned construction produces a genuinely clear sound of the desired tone irrespective of whether the desired sound has a high tone or low tone. It is considered that the disadvantageous amplification of the noisy sound is prevented by the provision of two sound holes one of which has a diameter of two times as long as that of the other. As far as the diameter ratio of the two sound holes is maintained at 2 1, hole area of each sound hole may be varied in relatively wide range. For example, a combination of 6 cm and 3 cm, in diameter, holes and a combination of4 cm and 2 cm, in diameter, holes give successful results.
  • the present invention is particularly advantageous in that a genuinely clear and yet soft sound, which has never been produced by a commonly available stringed instrument, can be produced by the use of the instrument according to this invention.
  • a stringed instrument comprising a resonance body having a sound board provided with a sound hole and a bridge for fastening a string; and a neck secured to said resonance body at the lower end thereof and provided with a peg for straining and loosening said string at the upper end thereof; the improvement characterized in that two sound holes of substantially circular shapes are provided on said sound board at positions under said string; and that the diameter of the first sound hole is two times as long as that of the second hole.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stringed Musical Instruments (AREA)
US493605A 1973-10-16 1974-07-31 Stringed instrument Expired - Lifetime US3869954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973119951U JPS5246730Y2 (enrdf_load_stackoverflow) 1973-10-16 1973-10-16

Publications (1)

Publication Number Publication Date
US3869954A true US3869954A (en) 1975-03-11

Family

ID=14774214

Family Applications (1)

Application Number Title Priority Date Filing Date
US493605A Expired - Lifetime US3869954A (en) 1973-10-16 1974-07-31 Stringed instrument

Country Status (2)

Country Link
US (1) US3869954A (enrdf_load_stackoverflow)
JP (1) JPS5246730Y2 (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084475A (en) * 1976-09-16 1978-04-18 Horowitz William M Guitar construction
US6060650A (en) * 1998-01-09 2000-05-09 Mathew McPherson Arrangement of a sound hole and construction of a sound board in an acoustic guitar
US6103961A (en) * 1999-01-07 2000-08-15 Kaufman; William Stringed musical instrument
US20030154843A1 (en) * 2001-12-12 2003-08-21 Mcpherson Mathew A. Bracing system for stringed instrument
US20040099122A1 (en) * 2002-11-26 2004-05-27 Mcpherson Mathew A. Neck connection for stringed musical instrument
USD510946S1 (en) * 2003-07-30 2005-10-25 Yamaha Corporation Electronic ukulele
USD521046S1 (en) * 2004-07-15 2006-05-16 Anthony Martinez Electrical ukulele
WO2007075890A3 (en) * 2005-12-23 2008-05-22 Kevin Alexander Wyman Stringed musical instrument having harmonic bridge
US20080202315A1 (en) * 2007-02-23 2008-08-28 Roland Meinl Musikinstrumente Gmbh & Co. Kg Musical instrument
US7674963B1 (en) 2007-05-09 2010-03-09 Poggi Jeffrey J String instrument with variable openings
US20110011237A1 (en) * 2009-07-17 2011-01-20 Sunny Ahn Stringed musical instrument
US20110185877A1 (en) * 2009-07-17 2011-08-04 Sunny Ahn Stringed musical instrument
US20180152775A1 (en) * 2016-11-25 2018-05-31 Guangdong Oppo Mobile Telecommunications Corp., Lt D. Housing for terminal, terminal and mobile phone

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432501Y2 (enrdf_load_stackoverflow) * 1976-10-19 1979-10-09
JP4588112B2 (ja) 2007-08-20 2010-11-24 勲 梅田 弦楽器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US286524A (en) * 1883-10-09 Geoege bendee
US586032A (en) * 1897-07-06 Frederick john iiartman
US2953052A (en) * 1959-02-24 1960-09-20 Harold B Newton Electronic acoustical stringed instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US286524A (en) * 1883-10-09 Geoege bendee
US586032A (en) * 1897-07-06 Frederick john iiartman
US2953052A (en) * 1959-02-24 1960-09-20 Harold B Newton Electronic acoustical stringed instrument

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084475A (en) * 1976-09-16 1978-04-18 Horowitz William M Guitar construction
US6822147B2 (en) 1998-01-09 2004-11-23 Mcpherson Mathew Arrangement of a sound hole and construction of a sound board in an acoustic guitar
US6060650A (en) * 1998-01-09 2000-05-09 Mathew McPherson Arrangement of a sound hole and construction of a sound board in an acoustic guitar
US6103961A (en) * 1999-01-07 2000-08-15 Kaufman; William Stringed musical instrument
US7268280B2 (en) 2001-12-12 2007-09-11 Mcpherson Mathew A Bracing system for stringed instrument
US7790970B2 (en) 2001-12-12 2010-09-07 Mcpherson Mathew A Stringed instrument braces with transverse openings
US6943283B2 (en) 2001-12-12 2005-09-13 Mcpherson Mathew Bracing system for stringed instrument
US20030154843A1 (en) * 2001-12-12 2003-08-21 Mcpherson Mathew A. Bracing system for stringed instrument
US20080006138A1 (en) * 2001-12-12 2008-01-10 Mcpherson Mathew A Stringed instrument braces with transverse openings
US6897366B2 (en) 2002-11-26 2005-05-24 Mathew A. McPherson Neck connection for stringed musical instrument
US20040099122A1 (en) * 2002-11-26 2004-05-27 Mcpherson Mathew A. Neck connection for stringed musical instrument
USD510946S1 (en) * 2003-07-30 2005-10-25 Yamaha Corporation Electronic ukulele
USD521046S1 (en) * 2004-07-15 2006-05-16 Anthony Martinez Electrical ukulele
WO2007075890A3 (en) * 2005-12-23 2008-05-22 Kevin Alexander Wyman Stringed musical instrument having harmonic bridge
US20080202315A1 (en) * 2007-02-23 2008-08-28 Roland Meinl Musikinstrumente Gmbh & Co. Kg Musical instrument
US7485787B2 (en) * 2007-02-23 2009-02-03 Roland Meinl Musikinstrumente Gmbh & Co. Kg Musical instrument
US7674963B1 (en) 2007-05-09 2010-03-09 Poggi Jeffrey J String instrument with variable openings
US20110011237A1 (en) * 2009-07-17 2011-01-20 Sunny Ahn Stringed musical instrument
US7939735B2 (en) * 2009-07-17 2011-05-10 Sunny Ahn Stringed musical instrument
US20110185877A1 (en) * 2009-07-17 2011-08-04 Sunny Ahn Stringed musical instrument
US20180152775A1 (en) * 2016-11-25 2018-05-31 Guangdong Oppo Mobile Telecommunications Corp., Lt D. Housing for terminal, terminal and mobile phone
US10433039B2 (en) * 2016-11-25 2019-10-01 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Housing for terminal, terminal and mobile phone

Also Published As

Publication number Publication date
JPS5246730Y2 (enrdf_load_stackoverflow) 1977-10-24
JPS5065409U (enrdf_load_stackoverflow) 1975-06-12

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