EP4402675B1 - Impedanzvariator für ein blasinstrument - Google Patents

Impedanzvariator für ein blasinstrument

Info

Publication number
EP4402675B1
EP4402675B1 EP22785974.1A EP22785974A EP4402675B1 EP 4402675 B1 EP4402675 B1 EP 4402675B1 EP 22785974 A EP22785974 A EP 22785974A EP 4402675 B1 EP4402675 B1 EP 4402675B1
Authority
EP
European Patent Office
Prior art keywords
tube
impedance
variator
brass
impedance variator
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
EP22785974.1A
Other languages
English (en)
French (fr)
Other versions
EP4402675C0 (de
EP4402675A1 (de
Inventor
André GAY
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 EP4402675A1 publication Critical patent/EP4402675A1/de
Application granted granted Critical
Publication of EP4402675C0 publication Critical patent/EP4402675C0/de
Publication of EP4402675B1 publication Critical patent/EP4402675B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • 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
    • G10D7/00—General design of wind musical instruments
    • G10D7/02—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge
    • 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
    • G10D7/00—General design of wind musical instruments
    • G10D7/06—Beating-reed wind instruments, e.g. single or double reed wind instruments
    • G10D7/066—Clarinets
    • 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
    • G10D7/00—General design of wind musical instruments
    • G10D7/06—Beating-reed wind instruments, e.g. single or double reed wind instruments
    • G10D7/08—Saxophones
    • 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
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/01—Tuning devices

Definitions

  • the present invention relates to an impedance variator for a wind instrument .
  • the present invention also relates to a wind instrument including such an impedance-varying device; more particularly, the impedance-varying device according to the invention is specifically, but not exclusively, intended for a trumpet or a cornet.
  • the ligature consists of a flexible brass band but does not contain a permanent magnet. Furthermore, the ligature must be attached to the mouthpiece of the woodwind instrument.
  • the invention aims to remedy this state of affairs.
  • one objective of the invention is to provide an impedance variator that is easy to install on the wind instrument and very effective in reducing or even eliminating non-harmonic sounds.
  • a key objective is to offer a simple dimmer, with few parts or components.
  • a complementary objective is to offer an inexpensive impedance variator .
  • an impedance variator in the form of a brass tube enclosing a tubular portion or cylindrical of the wind instrument (excluding the mouthpiece), said impedance variator also being equipped with at least one permanent magnet.
  • the solution proposed by the invention is an impedance variator to limit or eliminate parasitic harmonics of a wind musical instrument, the impedance variator comprising at least one permanent magnet .
  • the impedance variator is remarkable in that it comprises a brass tube intended to surround a substantially tubular or cylindrical portion of the wind instrument and in that the impedance variator comprises a means for fixing the tube to said portion of the wind instrument, in which the fixing means comprises a plurality of worm screws each penetrating through the tube, the inner end of each worm screw bearing against the outer surface of the portion of the wind instrument , the penetration length of each worm screw inside the tube being adjustable, in which the worm screws are distributed or arranged on the circumference of the tube forming an angle between them of between 100° and 140°.
  • substantially tubular or cylindrical in relation to a portion of the wind instrument means that this portion has a tubular or cylindrical section, or is substantially like this, that is to say, this portion can be inscribed between two tubes of different diameters or two cylinders of different diameters.
  • a remarkable effect of the device according to the invention lies in the sound timbre which is improved in a particularly significant way.
  • this impedance variator integrates perfectly with the wind instrument and is visually difficult to detect.
  • this impedance variator is very easy and quick to disassemble , especially for transferring it to another wind instrument, as the brass is very close in color to the color of the wind instrument.
  • the impedance converter also called a "booster” due to its effect on the timbre, was tested at the C complaint de la Musique in Marseille and demonstrated exceptional qualities.
  • the effect of suppressing unwanted harmonic frequencies is immediate, and the impedance converter, or Booster according to the invention, facilitates more precise note attacks.
  • the sound is rounded out, and access to the bass and treble registers is greatly improved.
  • the impedance converter or booster was also tested, particularly on trombones, trumpets, and flutes, with musicians from the Toulon Opera and the Ad Libitum quintet.
  • the results and feedback were identical, that is to say, excellent, just like those from the Cotti de la Musique.
  • test data and their results are not presented here but are available on request.
  • the specific setting of the impedance selector is up to each musician (or their instrumentalist) to determine whether they want a brighter or softer sound, a higher or lower pitch, or a clearer or darker tone.
  • the impedance selector will be positioned at different points . places on the instrument and mounted more or less tightly against a wall of the instrument.
  • the terms “internal” and “external” are used to refer to a face, a side, an element etc. located inside or directed towards the inside of the brass tube and the term external to refer to a face, a side, an element etc. located outside or directed towards the outside of the brass tube.
  • the brass tube has a thickness of between 1 mm and 3 mm, preferably a thickness of 2 mm.
  • the fastening means comprises a plurality of worm screws, each penetrating through the tube, the inner end of each worm screw bearing against the outer surface of the portion of the wind instrument, the penetration length of each worm screw inside the tube being adjustable.
  • the fastening means further comprises at least one brass adjusting knob, fixed to the outer end of a worm gear , for adjusting the depth of penetration of the worm gear into the tube.
  • This worm gear or these worm gears also referred to as adjusting screws, come into contact with the walls of the portion of the wind instrument.
  • each worm gear has a brass adjustment knob at its outer end.
  • the worm screws are distributed or arranged on the circumference of the tube, forming an angle between them of between 100° and 140°, preferably an angle of 120°.
  • the worm gears are made of a non-metallic material, advantageously nylon.
  • the permanent magnet is fixed to the brass tube, on the outside of said tube.
  • the impedance variator according to the invention comprises a plurality of permanent magnets, distributed symmetrically all around the circumference of the brass tube.
  • the inner diameter of the brass tube is between 15 mm and 25 mm, preferably between 18 mm and 22 mm, while the length of the tube is between 15 mm and 35 mm.
  • At least one spar, preferably a plurality, of brass spar(s) are fixed to the external surface of the brass tube, advantageously this/these spar(s) extend(s) along the length of the tube.
  • the external surface of the brass tube is/are varnished or platinum-plated or silver- or gold-plated, advantageously the silver or gold plating having a thickness of 6 microns.
  • the permanent magnet has an outer diameter of between 8 and 12 mm, preferably 10 mm, and a thickness of between 1 and 5 mm, preferably 3 mm.
  • the present invention also relates to a wind instrument, preferably consisting of a saxophone, a clarinet or a flute, having fixed around a substantially tubular or cylindrical portion of wall an impedance variator as described above.
  • the saxophone can advantageously consist of an alto, tenor or baritone saxophone.
  • the said instrument comprises a mouthpiece and the impedance variator is fixed at a distance from the mouthpiece of between 0.5 cm and 2.5 cm, preferably at a distance from the mouthpiece of between 1 cm and 3 cm.
  • the impedance variator 1 comprises, as an essential element , at least one permanent magnet 2 and a brass tube 3 - also referred to as a brass ring - intended to surround a substantially tubular or cylindrical portion of the wind instrument.
  • a means of fixing 5, 6 of the brass tube 3 on said portion of the wind instrument is necessary in order to fix the impedance variator 1 according to the invention on a portion of a wind instrument but this means of fixing 5, 6 does not cooperate with the other elements 2, 3 to achieve the primary purpose of the impedance variator 1, namely to eliminate parasitic sounds.
  • the fastening means 5, 6 comprises a plurality of worm screws 5 – also referred to as “ set screws” or “locking screws” – which enter dedicated holes in the brass tube 3 to make contact and bear against the external surface of the wind instrument portion .
  • the fastening means 5, 6 further comprises at least one adjusting knob 6 for tightening the worm screws so that they bear against the instrument portion and lock the position of the impedance variator 1. It is also possible for each of the free ends of the worm screws 5 to be equipped with an adjusting knob 6 to facilitate positioning and locking the worm screws 5.
  • the brass tube 3 advantageously features a leather lining, or possibly a lining of another non-metallic material such as cork, on its face opposite the wind instrument.
  • This lining not shown in the accompanying figures, primarily serves to protect the instrument from the brass tube 3, but it has been observed that this lining, particularly when made of leather, contributes to improving the sound.
  • This lining advantageously has a thickness of no more than one (1) millimeter, preferably less than 1 mm, and, according to a preferred design choice, 0.9 mm.
  • the adjustment knob(s) 6 is/are made of brass.
  • the worm gears 5 are advantageously made of a non-metallic material so as not to damage the wind instrument and not to disturb the output impedance of the instrument as well as the effects of the impedance variator 1.
  • the impedance variator 1 comprises two longitudinal members 10 fixed to the outer circumference of the brass tube 3. These longitudinal members 10 have a parallelepiped shape along their entire length. longitudinal length of the brass tube 3.
  • the impedance variator 1 has a worm gear 5 on the upper face of the impedance variator 1 while two pairs of worm gears 5 are present side-by-side, each of these pairs of worm gears 5 penetrating through the stringers 10.
  • the distribution of the upper worm gear 5 and the two pairs of worm gears 5 consists of an angular placement of 120° to each other so that the worm gears 5 are symmetrically arranged or distributed around the circumference of the brass tube 3.
  • the brass tube 3 is shorter and has only three worm screws 5, always arranged at an angle of 120° to each other.
  • the uppermost worm screw 5 always penetrates the permanent magnet 2, but the other two worm screws 5 each penetrate a nut 11, advantageously made of brass.
  • worm gear corresponds to a “threaded shaft” with a constant, or almost constant, diameter over its entire length.
  • the permanent magnet 2 is advantageously a neodymium magnet.
  • the permanent magnet 2 has an internal bore to allow a threaded shaft 5 to pass through the magnet 2.
  • the fixing of the elements together in particular the fixing of the spar 10 on the brass tube 3 and the fixing of the permanent magnet 2 on the brass tube 3, is carried out according to methods and means well known to the person skilled in the art, for example by welding, crimping or even by gluing; the methods of fixing can of course vary between two types of elements mentioned above.
  • the brass tube 3 has a length between 15 mm and 35 mm and an internal diameter between 15 mm and 25 mm.
  • the brass stringer (s) 10 when present and fixed to the outer face of the brass tube 3, shall have a length equal to that of the tube 3, i.e. for example 19 mm for an alto saxophone, a thickness between 1 mm and 5 mm, preferably 3 mm, and a width between 5 mm and 9 mm, preferably 7 mm.
  • the worm gears or threaded shafts 5 have an outer diameter adapted to the inner diameters of the brass stringers 10, the nuts 11, or the permanent magnet 2 into which they fit.
  • the length of the worm gears or threaded shafts 5 is between 7 mm and 13 mm, preferably 10 mm, and an outer diameter between 3 mm and 7 mm, equal to the value of the inner diameter of the stringer(s) or nut(s).
  • the impedance variator 1 can have a color suitable or aesthetic to match the wind instrument, either in particular through varnishing or platinum plating or silver or gold plating, preferably with a thickness of 6 microns.
  • All the elements 2, 3, 6, 10, 11 indicated are advantageously made of brass, that is to say, an alloy essentially of copper and zinc, in varying proportions.
  • all these elements 2, 3, 6, 10, 11 consist of the same brass, that is to say, a brass having exactly the same components in the same relative quantities.
  • brass elements in the impedance variator according to the invention consist of simple brasses or binary alloys.
  • the impedance variator according to the invention When the impedance variator according to the invention is fixed to an alto 20, tenor, or baritone saxophone , it consists of a brass ring 3 clamping the neck by means of three nylon set screws, positioned opposite each other at 120° intervals, the clamping screw(s) being equipped with a permanent magnet.
  • the impedance variator 1 according to the invention is fixed before the mouthpiece 21 by passing it through the mouthpiece 21 or around the mouthpiece 21 and then fixing it beyond the latter 21.
  • the impedance control 1 is therefore movable and can easily be adjusted to suit the musician's or instrumentalist's preferences. This adjustment allows, in particular, for a brighter or, conversely, darker sound .
  • the impedance variator is mounted or fixed on a clarinet 30 in the same way as described above in connection with a saxophone 20.
  • the impedance variator 1 consists of a brass ring 3 clamping the barrel of the clarinet 30 and is positioned before the mouthpiece 21 and can be moved easily.
  • the impedance variator 1 clamps the flute head before the mouthpiece plate.
  • the distance between the wall of the portion of the wind instrument and the brass tube or ring is between 1 mm and 5 mm, preferably between 2 mm and 4 mm, and of course this distance is part of the adjustment made by the instrumentalist or musician to obtain the desired effects.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Vibration Prevention Devices (AREA)

Claims (13)

  1. Impedanzregler (1) zur Begrenzung oder Beseitigung störender Oberschwingungen eines Musikblasinstruments, wobei der Impedanzregler (1) mindestens einen Permanentmagneten (2) aufweist, wobei der Impedanzregler (1) ein Messingrohr (3) umfasst, das dazu bestimmt ist, einen im Wesentlichen röhrenförmigen oder zylindrischen Abschnitt des Blasinstruments zu umschließen, und der Impedanzregler (1) ein Mittel zur Befestigung des Rohrs (3) an dem Abschnitt des Blasinstruments umfasst, dadurch gekennzeichnet, dass das Mittel zur Befestigung eine Vielzahl von Schnecken (5) aufweist, die jeweils durch das Rohr (3) eindringen, wobei das innere Ende jeder Schnecke (5) an der äußeren Oberfläche des Teils des Blasinstruments anliegt, wobei die Eindringlänge jeder Schnecke (5) in das Rohr (3) einstellbar ist,
    und dass die Schnecken (5) am Umfang des Rohrs (3) in einem Winkel zwischen 100° und 140° zueinander verteilt oder angeordnet sind.
  2. Impedanzregler (1) nach Anspruch 1, wobei das Messingrohr (3) eine Dicke zwischen 1 mm und 3 mm, vorzugsweise eine Dicke von 2 mm, aufweist.
  3. Impedanzregler (1) nach Anspruch 1 oder 2, wobei die Schnecken (5) über den Umfang des Rohrs (3) verteilt oder unter einem Winkel von 120° zueinander angeordnet sind.
  4. Impedanzregler (1) nach einem der vorhergehenden Ansprüche, wobei das Mittel zur Befestigung ferner mindestens ein Einstellrad (6) aus Messing umfasst, das am äußeren Ende einer Schnecke (5) befestigt ist, um die Eindringlänge der Schnecke (5) in das Rohr einzustellen.
  5. Impedanzregler (1) nach Anspruch 4, wobei jede Schnecke (5) an ihrem äußeren Ende ein Einstellrad (6) aus Messing aufweist.
  6. Impedanzregler (1) nach einem der vorhergehenden Ansprüche, wobei die Schnecken (5) aus einem nichtmetallischen Material, vorteilhafterweise aus Nylon, bestehen.
  7. Impedanzregler (1) nach einem der vorhergehenden Ansprüche, wobei der Permanentmagnet (2) an dem Messingrohr (3) außerhalb des Rohrs (3) befestigt ist.
  8. Impedanzregler (1) nach einem der vorhergehenden Ansprüche, wobei der Innendurchmesser des Messingrohrs (3) zwischen 15 mm und 25 mm, vorzugsweise zwischen 18 mm und 22 mm, beträgt, während die Länge des Rohrs (3) zwischen 15 mm und 35 mm beträgt.
  9. Impedanzregler (1) nach einem der vorhergehenden Ansprüche, wobei mindestens ein Längsträger (10), vorzugsweise eine Vielzahl, von Messinglängsträgern (10) an der Außenfläche des Messingrohrs (3) befestigt sind, wobei sich dieser/diese Längsträger (10) vorteilhafterweise in Längenrichtung des Rohrs (3) erstrecken.
  10. Impedanzregler (1) nach einem der vorhergehenden Ansprüche, wobei die Außenfläche des Messingrohrs (3), gegebenenfalls die Außenfläche des/der Längsträger(s) (10) sowie gegebenenfalls die Außenfläche des/der Einstellrads/-räder (6), lackiert oder platiniert oder mit Silber oder Gold plattiert ist/sind, wobei die Silber- oder Goldplattierungen vorteilhafterweise eine Dicke von 6 Mikrometern aufweisen.
  11. Impedanzregler nach einem der vorhergehenden Ansprüche, wobei der Permanentmagnet (2) einen Außendurchmesser zwischen 8 und 12 mm, vorzugsweise 10 mm, und eine Dicke zwischen 1 und 5 mm, vorzugsweise 3 mm aufweist.
  12. Blasinstrument, vorzugsweise bestehend aus einem Saxophon (20), einer Klarinette (30) oder einer Flöte, mit einem um einen im Wesentlichen röhrenförmigen oder zylindrischen Wandabschnitt befestigten Impedanzregler (1) nach einem der vorhergehenden Ansprüche.
  13. Blasinstrument nach Anspruch 12, wobei das Instrument ein Mundstück (21) aufweist und der Impedanzregler (1) in einem Abstand von dem Mundstück (21) zwischen 0,5 cm und 2,5 cm, vorzugsweise in einem Abstand von dem Mundstück (21) zwischen 1 cm und 3 cm befestigt ist.
EP22785974.1A 2021-09-14 2022-09-13 Impedanzvariator für ein blasinstrument Active EP4402675B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2109604A FR3127068B1 (fr) 2021-09-14 2021-09-14 Variateur d’impédance pour instrument à vent.
PCT/EP2022/075439 WO2023041538A1 (fr) 2021-09-14 2022-09-13 Variateur d'impédance pour instrument à vent

Publications (3)

Publication Number Publication Date
EP4402675A1 EP4402675A1 (de) 2024-07-24
EP4402675C0 EP4402675C0 (de) 2025-11-05
EP4402675B1 true EP4402675B1 (de) 2025-11-05

Family

ID=78827593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22785974.1A Active EP4402675B1 (de) 2021-09-14 2022-09-13 Impedanzvariator für ein blasinstrument

Country Status (4)

Country Link
US (1) US20240379077A1 (de)
EP (1) EP4402675B1 (de)
FR (1) FR3127068B1 (de)
WO (1) WO2023041538A1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52107401A (en) 1976-03-05 1977-09-09 Nippon Mining Co Method of maintenance for waste heat boiler
US4428271A (en) 1980-12-01 1984-01-31 Winslow Thomas W Method and means for attaching reed to wind instruments
US5644095A (en) 1994-01-21 1997-07-01 Davidson; John R. Brass instrument improvement
US7220903B1 (en) 2005-02-28 2007-05-22 Andrew Bronen Reed mount for woodwind mouthpiece
US8283541B2 (en) 2008-03-03 2012-10-09 Philip Lee Rovner Ligature for woodwind instruments
US8217248B1 (en) 2010-01-08 2012-07-10 Roberto Feliciano Ligature
DE202012010318U1 (de) * 2012-10-29 2013-02-01 Roland Mainka Adaption von Massen, Bauteilen und Zusatzgeräten an Musikinstrumente mit Hilfe von Magneten
JP5400241B1 (ja) 2013-04-10 2014-01-29 元久 安藤 共振増強装置および楽器
US9721546B2 (en) 2014-02-25 2017-08-01 Cannonball Musical Instruments Musical instrument vibrational energy modification apparatus and system
US10013958B2 (en) 2016-03-03 2018-07-03 Eric SATTERLEE Accessory weights and kits for a brass instrument

Also Published As

Publication number Publication date
FR3127068A1 (fr) 2023-03-17
FR3127068B1 (fr) 2024-08-30
EP4402675C0 (de) 2025-11-05
US20240379077A1 (en) 2024-11-14
EP4402675A1 (de) 2024-07-24
WO2023041538A1 (fr) 2023-03-23

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