EP1859434A1 - Device for automatically tuning a string of a stringed instrument - Google Patents

Device for automatically tuning a string of a stringed instrument

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Publication number
EP1859434A1
EP1859434A1 EP05716157A EP05716157A EP1859434A1 EP 1859434 A1 EP1859434 A1 EP 1859434A1 EP 05716157 A EP05716157 A EP 05716157A EP 05716157 A EP05716157 A EP 05716157A EP 1859434 A1 EP1859434 A1 EP 1859434A1
Authority
EP
European Patent Office
Prior art keywords
guitar
bass
string
adjusting
adjusting device
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.)
Granted
Application number
EP05716157A
Other languages
German (de)
French (fr)
Other versions
EP1859434B1 (en
Inventor
Christopher Adams
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.)
Tectus Anstalt
Original Assignee
Tectus Anstalt
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 Tectus Anstalt filed Critical Tectus Anstalt
Publication of EP1859434A1 publication Critical patent/EP1859434A1/en
Application granted granted Critical
Publication of EP1859434B1 publication Critical patent/EP1859434B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
    • G10G7/00—Other auxiliary devices or accessories, e.g. conductors' batons or separate holders for resin or strings
    • G10G7/02—Tuning forks or like devices
    • 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
    • G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
    • G10D3/14—Tuning devices, e.g. pegs, pins, friction discs or worm gears
    • G10D3/147—Devices for altering the string tension during playing

Definitions

  • the present invention relates to a device for automatically tuning a stringed instrument, preferably a guitar, in particular electric guitar, or a bass, preferably an electric bass, according to the preamble of claim 1.
  • the tuning of instruments generally requires not only a trained ear a lot of time, which must be applied in particular by untrained, for example, hobby instrumentalists.
  • the musician works with a tuning fork, which sets the desired tone by striking and adjusts the pitch of the respective string by changing the string length or string tension, resulting in multiple hits on the string and the tuning fork adjusted until the desired Mood of the string is reached. Based on this mood then the other strings are tuned.
  • the strings of the instruments have to be regularly tuned because of a constantly existing flexibility of the material, the strings are partly variable also depending on the climatic conditions in their length (a guitar string, for example, expands on the stage of a concert hall with the heat and humid air in the Compared to the conditions in the comparatively dry and cool practice room, a frequent tuning is required. Even after putting on new strings they have to be tuned.
  • the system is to be welcomed in so far as it allows a speedy and automatic tuning and so in particular untrained musicians, but also the professionals a great deal of effort decreases.
  • the system has a not insignificant disadvantage. On the whole, it is large and chunky and requires considerable changes to the body of the guitar, which, on the one hand, has an influence on its acoustics (sound) and, on the other hand, on its handling (because of the changed geometry). weight). Apart from that, the appearance of the guitar is changed in a not insignificant way.
  • the invention proceeds. It has for its object to provide an improved device so far, which can be integrated into an instrument, in particular a guitar or a bass, with minimal influence on the sound properties and with as few and small elements.
  • the device should be modular and structurally variable.
  • the basic idea of the invention is to use as a detection device or sensor element for detecting the sound generated by a broken string a piezo pickup which is arranged directly on the adjusting device.
  • Piezo pickups are body sound sensors that perceive the sound transmitted in solids and convert it into an electrical signal.
  • Such piezoelectric pickups can be made as a particularly small elements.
  • piezo pickups which are arranged directly on the adjusting device are used to make them. For example, it is known to clamp an arrangement with piezo pickups on the neck of a guitar This arrangement is optically disturbing and comparatively inaccurate because the piezo pickups are not directly connected to a body directly in communication with the vibrating string but perceive the sound waves through an air gap between the string and the piezo pickup for a highly accurate and accurate determination of the tone produced by the broken string, such a fitted piezo pickup is not accurate enough, unlike the arrangement according to the invention directly adjacent to the adjusting device Thus, the sound of the vibrating string transmitted directly and precisely to the body of the actuator and can be accurately detected by the piezoelectric pickup arranged directly thereon.
  • an arrangement of the piezo pick-up directly on the adjusting device of the stringed instrument offers the possibility to construct the inventive device for automatic tuning of the stringed instrument modular.
  • the adjusting device can be laid arbitrarily on one of the clamped ends of the strings, wherein the detection of the sounds generated by the vibrating string takes place at just this end.
  • the other elements of the device according to the invention can then also all be arranged at this end of the string or partially or in total on the other end of the strings.
  • the adjusting device can be each provided with a vortex and a wing for adjusting the vortex mechanics and that the piezoelectric pickup directly is arranged on at least one of the mechanisms.
  • These mechanisms are located in the mentioned instruments on the head, which usually offers little space for the arrangement of other elements.
  • the principle possible, modular design of the device according to the invention is based on the example of such an instrument now so that some or all of the other elements of the device can be arranged on the body of the instrument, in which case it must be ensured that for controlling the at least an adjusting device or to which drive control signals such as power supply starting from the body to the head of the instrument must be performed. This can be done, for example, by utilizing the strings as current-carrying elements.
  • the piezo pick-up can be embedded in the actuator, e.g. screwed or pressed, be (see claim 4) or glued to these (see claim 3).
  • this not only applies to the adjusting device in the form of the mechanisms, but also to other adjusting devices in which the piezoelectric pickup can be embedded or onto which the piezoelectric pickup can be glued.
  • the drive for driving the adjusting devices in the form of the mechanisms may be formed by one or more motor (s).
  • One or two motors can drive several of the vortices via a switchable gearbox and intermediate flexible shafts. ben, or there may be a separate motor per vortex.
  • control with the comparison device are also arranged at the head of the guitar or the bass.
  • an energy source for supplying at least a portion of the components of the device with energy at the head of the guitar or the bass may be arranged (claim 7).
  • the piezoelectric pickup can additionally fulfill other functions.
  • a preferred embodiment is provided, according to which the tapped signals from the piezo pickups can also be used as control signals, for example.
  • MIDI signals As MIDI signals. It is also conceivable to use the signals of the piezo pickups for acoustic reproduction of the sound of the stringed instrument, for which purpose they are fed to an amplifier.
  • an adjusting device is arranged on each string of the stringed instrument and at each of the adjusting devices, a piezoelectric pickup is attached directly (claim 9).
  • a piezoelectric pickup is attached directly (claim 9).
  • the piezo pickup provided according to the invention, arranged directly on an adjusting device, in a device which is not intended for automatic tuning of a guitar, but merely as a tuning aid.
  • Such a device would lack the drive to adjust the actuator, instead the controller would be connected to a display representing a deviation from the desired tone, for example by an LED display or a pointer display.
  • a display may also be present in a device for automatic tuning of the instrument as described and claimed.
  • FIG. 2 is a three-dimensional view schematically a single mechanism of the electric guitar with glued piezoelectric pickup and connection for a drive shaft of a drive motor
  • FIG. 3 a shows an alternative embodiment of a mechanism provided with one and 3 b piezo pickups, in which the piezo pickup is inserted into the mechanism, in this embodiment pressed in in a conical shape
  • Fig. 4 shows a possible arrangement of a drive formed by two motors and a gearbox for the vertebrae on the head of the electric guitar and
  • FIG. 5 is a sectional view taken along the Thomaslini IV - IV of FIG. 4th
  • Fig. 1 is an example of a stringed instrument in which the device according to the invention can be realized, an electric guitar 1 is shown.
  • This can be roughly divided into a body 2, in a neck 3 and a head 4.
  • a mounting block 5 On the body 2 is a mounting block 5, in this case, a tremolo system block on which the six strings ⁇ a to ⁇ f of the guitar 1 with a first end are fixed.
  • the strings 6a to ⁇ f extend from there along the body 2, the neck 3 to the head 4, where they rest on vertebrae 7 of the mechanisms 10 arranged on the head 4 (see Figures 2, 3a, 3b, 4 and 5). accrues.
  • wings 8 are arranged on the mechanisms.
  • Below the strings 6a to ⁇ f is located on the body 2 of the electric guitar 1, a so-called "pick guard". 9
  • the actuators are formed by the mechanisms 10.
  • FIGS. 2, 3a and 3b show how, according to the invention, piezo actuators 16 are arranged directly on these adjusting devices, ie on the mechanisms 10.
  • the Fign. 2 and 3a and 3b show two different variants of the possible direct attachment of the piezoelectric pickup 16 to the mechanisms 10. In the example shown in Fig. 2, the piezoelectric pickup 16 is glued to an element of the mechanism 10. In the case of FIGS. 3a and 3b. y
  • the piezoelectric pickup 16 inserted into a part of the mechanism 10, pressed here. This can be seen particularly well in the sectional view of FIG. 3b. In the latter example, the piezoelectric pickup 16 is conically shaped and pressed into a correspondingly complementarily shaped receptacle in the mechanics. At 17, a signal line of the piezoelectric pickup 16 is indicated in each case, which forwards the sound signals detected by the piezoelectric pickup 16 to the comparison device or the controller.
  • FIG. 2 also shows a connection 18 for connecting a shaft connected to or connectable to a drive, in this example a motor 15.
  • Such a connection is in principle also in the in Figs. 3a and 3b shown embodiment, but not shown there in detail.
  • drive motors 15 for driving the mechanisms 10 are shown.
  • the drive motors 15 run in the same direction and transmit their driving force directly to a respective motor 15 associated drive roller 14.
  • take-off wheels 13 are provided which can be selectively brought into engagement with one of the drive rollers 14.
  • the surfaces of the drive rollers 14 and the take-off wheels 13 are preferably made of a rubber in order to achieve the highest possible friction and thus a transmission of the respective torque.
  • six take-off wheels 13 are arranged, of which only three can be seen in FIG. The three further lie in FIG. 4 below the drawing plane below the take-off wheels 13 shown there.
  • Each of the take-off wheels 13 is connected to a flexible shaft 11, which is guided to the terminal 18 in the associated mechanism 10.
  • the inventive device for automatic tuning of the electric guitar 1 shown here works as follows:
  • the guitar is switched to a voice mode, for example, by pressing a corresponding switch. Then at least one of the strings to be tuned is struck. The resulting sound or the resulting sound is transmitted to the mechanics 10 via the end of the string coming to the respective vertebra 7 of the associated mechanism 10.
  • the piezo pickup 16 arranged directly on the mechanism 10 detects the sound signal and transmits it via the signal line 17 to a comparison device, not shown.
  • the comparison device is preferably also arranged on the head 4 of the electric guitar 1.
  • the actually detected tone for example, based on a frequency, with a in a here not shown, preferably also arranged on the head 4 of the guitar 1 arranged storage device stored target value compared.
  • the deviation is passed on to a control, likewise not shown here, which is also preferably arranged on the head 4 of the electric guitar 1. Based on the deviation, the controller determines a direction in which to move the string (tensioning or relaxing). Then, the controller outputs a corresponding signal to those in Figs. 4 and 5 shown unit of motors 15 and by the take-off wheels 13 and drive rollers 14 formed transmission further, whereby the mechanism 10, on which the tuned string runs, associated Abdgingrad 13 depending on the direction of the string to one of the drive rollers 14 pressed and the associated motor 15 is turned on. Via the flexible shaft 11 connected to the corresponding take-off wheel 13, the torque is transmitted to the mechanism 10, there finally to the swivel 7, so that the string tension is changed.
  • the tone emitted by the string changes in its frequency, which in turn is detected by the piezo pickup 16 and reported to the comparison device. Only when the comparator detects a match between the detected value and the target value does the controller control the motors 15 and the transmission consisting of the take-off wheels 13 and drive rollers 14 to prevent further variation of the string tension.

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

Abstract

A device is disclosed for tuning at least one string of a string instrument, preferably a guitar, in particular an electric guitar or a bass, in particular an electric bass, comprising a detection device for detecting a note generated by striking a string and for output of a signal corresponding to the note detected, a memory device for storing preselected signals, corresponding to a desired note, a comparator device for comparing the signal output by the detection device with a signal corresponding to the desired note and stored in the memory device, an adjusting device for varying the tension of at least one of the strings, at least one drive for driving the adjusting device, a controller connected to the comparator device and controlling the at least one drive via a control line on the basis of a deviation found in the comparator device between the signals representing the note thereby generated and signals representing the desired note. To design such a device so that it can be integrated into an instrument, in particular a guitar or a bass with a minimal influence on the sound properties and with the smallest possible number of elements that are also as small as possible and nevertheless allow variable design options, it is proposed that the detection device should be a piezoelectric pickup arranged directly on the adjusting device.

Description

VORRICHTUNG ZUM AUTOMATISCHEN STIMMEN EINER SAITE EINES SAITENINSTRUMENTESDEVICE FOR AUTOMATICALLY TUNING A SAIT OF A STRING INSTRUMENT
Die vorliegende Erfindung betrifft eine Vorrichtung zum automatischen Stimmen eines Saiteninstrumentes, vorzugsweise einer Gitarre, insbesondere E-Gitarre, oder eines Basses, vorzugsweise eines E-Basses, nach dem Oberbegriff des Anspruchs 1.The present invention relates to a device for automatically tuning a stringed instrument, preferably a guitar, in particular electric guitar, or a bass, preferably an electric bass, according to the preamble of claim 1.
Das Stimmen von Instrumenten erfordert generell neben einem geübten Gehör eine Menge Zeit, die insbesondere von ungeübten, bspw. Hobby-Instrumentalisten, aufgebracht werden muss. Bei dem klassischen Verfahren des Stimmens „von Hand" arbeitet der Musiker mit einer Stimmgabel, die durch Anschlagen den gewünschten Ton vorgibt und justiert durch Verändern der Saitenlänge bzw. Saitenspannung die Tonlage der jeweiligen Saite. Durch Mehrfaches Anschlagen der Saite und der Stimmgabel wird das Ergebnis abgeglichen, bis die gewünschte Stimmung der Saite erreicht ist. Ausgehend von dieser Stimmung werden dann die weiteren Saiten gestimmt.The tuning of instruments generally requires not only a trained ear a lot of time, which must be applied in particular by untrained, for example, hobby instrumentalists. In the classical method of tuning "by hand", the musician works with a tuning fork, which sets the desired tone by striking and adjusts the pitch of the respective string by changing the string length or string tension, resulting in multiple hits on the string and the tuning fork adjusted until the desired Mood of the string is reached. Based on this mood then the other strings are tuned.
Da einesteils die Saiten der Instrumente wegen einer stets vorhandenen Nachgiebigkeit des Materials regelmäßig gestimmt werden müssen, die Saiten andernteils auch abhängig von den klimatischen Bedingungen in ihrer Länge veränderlich sind (eine Gitarrensaite z.B. dehnt sich auf der Bühne eines Konzertraumes mit der Hitze und feuchten Luft im Vergleich zu den Verhältnissen im vergleichsweise trockenen und kühlen Übungsraum aus), ist ein häufiges Stimmen erforderlich. Auch nach dem Aufziehen neuer Saiten müssen diese gestimmt werden.On the one hand the strings of the instruments have to be regularly tuned because of a constantly existing flexibility of the material, the strings are partly variable also depending on the climatic conditions in their length (a guitar string, for example, expands on the stage of a concert hall with the heat and humid air in the Compared to the conditions in the comparatively dry and cool practice room, a frequent tuning is required. Even after putting on new strings they have to be tuned.
Um hier eine Erleichterung zu schaffen, wurde in der US 4,803,908 eine Vorrichtung zum automatischen Stimmen eines Saiteninstrumentes vorgeschlagen, welche alle Merkmale des Oberbegriffs des Anspruchs 1 aufweist. Bei dieser Vorrichtung werden an einer Gitarre mit einem dort „Strummer" genannten, im Korpus der Gitarre angeordneten Hilfsmittel alle Saiten gleichzeitig angeschlagen. Eine Elektronik erfaßt die Töne, vergleicht sie mit der Soll-Vorgabe und steuert eine an den Saiten angreifende Stelleinrichtung zur Verstellung der Saitenspannungen in der Weise, dass sie die vorgegebenen Töne treffen, an.To provide relief here, a device for automatically tuning a stringed instrument has been proposed in US 4,803,908, which has all the features of the preamble of claim 1. In this device, all strings are struck simultaneously on a guitar with a tool called "Strummer" arranged in the body of the guitar.An electronic system detects the tones, compares them with the desired setting and controls an adjusting device acting on the strings to adjust the strings String tensions in such a way that they hit the preset tones on.
Das System ist insoweit sehr zu begrüßen, als dass es ein zügiges und automatisches Stimmen ermöglicht und so insbesondere ungeübten Musikern, aber auch den Profis ein hohes Maß an Aufwand abnimmt. Jedoch hat das System einen nicht unerheblichen Nachteil. Es ist insgesamt groß und klobig und erfordert erhebliche Veränderungen am Korpus der Gitarre, die einerseits einen Einfluss auf deren Akustik (Klang) und andererseits auf deren Handling (wegen des veränderten Ge- wichts) haben. Abgesehen davon, wird auch die Optik der Gi- tarre in nicht unerheblicher Weise verändert.The system is to be welcomed in so far as it allows a speedy and automatic tuning and so in particular untrained musicians, but also the professionals a great deal of effort decreases. However, the system has a not insignificant disadvantage. On the whole, it is large and chunky and requires considerable changes to the body of the guitar, which, on the one hand, has an influence on its acoustics (sound) and, on the other hand, on its handling (because of the changed geometry). weight). Apart from that, the appearance of the guitar is changed in a not insignificant way.
Da die gesamte Gitarre den für die Klangeigenschaften maßgeblichen Resonanzkorper bildet, verandern sich auch die Klangeigenschaften, wenn dieser verändert wird. Damit ist das vorbekannte System in bestehende Instrumente nahezu nicht nachrustbar, es kann aber auch nur schwer in neue Gitarren integriert werden. Insbesondere waren in klanglicher Hinsicht in der Planung zwei Gitarrentypen unabhängig voneinander zu entwickeln, eine Gitarre mit der vorbekannten Vorrichtung und eine ohne.Since the entire guitar forms the resonant body relevant to the sound characteristics, the sound characteristics also change when it is changed. Thus, the previously known system in existing instruments is almost not nachrustbar, but it can also be difficult to integrate into new guitars. In particular, in terms of sound, two types of guitar had to be developed independently of each other, a guitar with the previously known device and one without.
Von der geschilderten Problematik geht die Erfindung aus. Sie hat zur Aufgabe, eine insoweit verbesserte Vorrichtung anzugeben, die in ein Instrument, insbesondere eine Gitarre oder einen Bass, mit minimaler Beeinflussung der Klangeigenschaften und mit möglichst wenigen und kleinen Elementen integriert werden kann. Insbesondere soll die Vorrichtung modulartige aufgebaut und entsprechend variabel gestaltbar sein.From the described problem, the invention proceeds. It has for its object to provide an improved device so far, which can be integrated into an instrument, in particular a guitar or a bass, with minimal influence on the sound properties and with as few and small elements. In particular, the device should be modular and structurally variable.
Zur Lösung dieser Aufgabe wird eine Vorrichtung zum automatischen Stimmen eines Saiteninstrumentes mit den Merkmalen des Patentanspruchs 1 vorgeschlagen. Vorteilhafte Weiterbildungen der Vorrichtung sind in den abhangigen Ansprüchen 2 bis 9 angegeben.To solve this problem, a device for automatically tuning a stringed instrument with the features of claim 1 is proposed. Advantageous developments of the device are given in the dependent claims 2 to 9.
Die Grundidee der Erfindung besteht darin, als Erfassungseinrichtung bzw. Sensorelement zum Erfassen des durch eine angeschlagene Saite erzeugten Tones einen Piezoabnehmer zu verwenden, der unmittelbar auf der Stell- einrichtung angeordnet ist. Piezoabnehmer sind Korperschallsensoren, die den in Festkörpern übertragenen Schall wahrnehmen und in ein e- lektrisches Signal umsetzen. Derartige Piezoabnehmer können als besonders kleine Elemente hergestellt werden. Der Vorteil, dass Piezoabnehmer verwendet werden, die unmittelbar auf der Stelleinrichtung angeordnet sind, besteht darin, dass diese raumsparend und „unauffällig" an dem Saiteninstrument angeordnet werden können. Beispielsweise ist es bekannt, auf dem Hals einer Gitarre eine Anordnung mit Piezo- abnehmern aufzuklemmen. Diese Anordnung ist optisch störend und vergleichsweise ungenau, da die Piezoabnehmer nicht direkt mit einem mit der schwingenden Saite unmittelbar in Verbindung stehenden Körper verbunden sind, sondern die Schallwellen über einen Luftspalt zwischen der Saite und dem Piezoabnehmer wahrnehmen. Für eine hoch präzise und exakte Bestimmung des von der angeschlagenen Saite erzeugten Tones ist ein derart angebrachter Piezoabnehmer nicht genau genug. Anders bei der erfindungsgemäßen Anordnung unmittelbar an der Stelleinrichtung. Typischerweise läuft die Saite auf der Stelleinrichtung unmittelbar auf und steht mit dieser in direktem körperlichen Kontakt. Hier wird also der Schall der schwingenden Saite unmittelbar und präzise auf den Körper der Stelleinrichtung übertragen und kann von dem daran unmittelbar angeordneten Piezoabnehmer exakt erfasst werden.The basic idea of the invention is to use as a detection device or sensor element for detecting the sound generated by a broken string a piezo pickup which is arranged directly on the adjusting device. Piezo pickups are body sound sensors that perceive the sound transmitted in solids and convert it into an electrical signal. Such piezoelectric pickups can be made as a particularly small elements. The advantage of using piezo pickups which are arranged directly on the adjusting device is that they can be arranged on the string instrument in a space-saving and "inconspicuous manner." For example, it is known to clamp an arrangement with piezo pickups on the neck of a guitar This arrangement is optically disturbing and comparatively inaccurate because the piezo pickups are not directly connected to a body directly in communication with the vibrating string but perceive the sound waves through an air gap between the string and the piezo pickup for a highly accurate and accurate determination of the tone produced by the broken string, such a fitted piezo pickup is not accurate enough, unlike the arrangement according to the invention directly adjacent to the adjusting device Thus, the sound of the vibrating string transmitted directly and precisely to the body of the actuator and can be accurately detected by the piezoelectric pickup arranged directly thereon.
Ferner bietet eine Anordnung des Piezoabnehmers unmittelbar an der Stelleinrichtung des Saiteninstrumentes die Möglichkeit, die erfindungsgemäße Vorrichtung zum automatischen Stimmen des Saiteninstrumentes modular aufzubauen. So kann die Stelleinrichtung beliebig an eines der eingespannten Enden der Saiten verlegt werden, wobei die Erfassung der von der schwingenden Saite erzeugten Töne an eben diesem Ende stattfindet. Die weiteren Elemente der erfindungsgemäßen Vorrichtung können dann ebenfalls allesamt an diesem Ende der Saite angeordnet werden oder teilweise oder insgesamt auf dem anderen Ende der Saiten. Am Beispiel einer Gitarre, insbesondere einer E-Gitarre, bzw. eines Basses, insbesondere eines E-Basses, bedeutet dies z.B., dass die Stelleinrichtung die mit je einem Wirbel und einem Flügel zum Verstellen des Wirbels versehenen Mechaniken sein können und dass der Piezoabnehmer unmittelbar an zumindest einer der Mechaniken angeordnet ist. Diese Mechaniken befinden sich bei den genannten Instrumenten am Kopf, welcher üblicherweise wenig Raum für die Anordnung weiterer Elemente bietet. Der prinzipiell mögliche, modulare Aufbau der erfindungsgemaßen Vorrichtung stellt sich anhand des Beispiels eines solchen Instrumentes nun so dar, dass einige oder alle der weiteren Elemente der Vorrichtung am Korpus des Instrumentes angeordnet sein können, wobei dann sicher gestellt sein muss, dass zur Ansteuerung der zumindest einen Stelleinrichtung bzw. zu derem Antrieb Steuersignale wie Spannungsversorgung ausgehend vom Korpus zum Kopf des Instrumentes geführt werden müssen. Dies kann bspw. durch Ausnutzung der Saiten als stromführende Elemente erfolgen.Furthermore, an arrangement of the piezo pick-up directly on the adjusting device of the stringed instrument offers the possibility to construct the inventive device for automatic tuning of the stringed instrument modular. Thus, the adjusting device can be laid arbitrarily on one of the clamped ends of the strings, wherein the detection of the sounds generated by the vibrating string takes place at just this end. The other elements of the device according to the invention can then also all be arranged at this end of the string or partially or in total on the other end of the strings. Using the example of a guitar, in particular an electric guitar, or a bass, in particular an electric bass, this means, for example, that the adjusting device can be each provided with a vortex and a wing for adjusting the vortex mechanics and that the piezoelectric pickup directly is arranged on at least one of the mechanisms. These mechanisms are located in the mentioned instruments on the head, which usually offers little space for the arrangement of other elements. The principle possible, modular design of the device according to the invention is based on the example of such an instrument now so that some or all of the other elements of the device can be arranged on the body of the instrument, in which case it must be ensured that for controlling the at least an adjusting device or to which drive control signals such as power supply starting from the body to the head of the instrument must be performed. This can be done, for example, by utilizing the strings as current-carrying elements.
Der Piezoabnehmer kann in die Stelleinrichtung eingelassen, z.B. eingeschraubt oder verpresst, sein (vgl. Anspruch 4) oder auf diese aufgeklebt (vgl. Anspruch 3). Dies gilt selbstverständlich nicht nur für die Stelleinrichtung in Form der Mechaniken, sondern auch für andere Stelleinrichtungen, in die der Piezoabnehmer eingelassen oder auf die der Piezoabnehmer aufgeklebt werden kann.The piezo pick-up can be embedded in the actuator, e.g. screwed or pressed, be (see claim 4) or glued to these (see claim 3). Of course, this not only applies to the adjusting device in the form of the mechanisms, but also to other adjusting devices in which the piezoelectric pickup can be embedded or onto which the piezoelectric pickup can be glued.
Gemäß der in Anspruch 5 geschilderten vorteilhaften Weiterbildung der erfindungsgemaßen Vorrichtung kann der Antrieb zum Antreiben der Stelleinrichtungen in Form der Mechaniken durch ein oder mehrere Motor (en) gebildet sein. Dabei können ein oder zwei Motoren über ein schaltbares Getriebe und zwischengeschaltete flexible Wellen mehrere der Wirbel antrei- ben, oder es kann pro Wirbel ein eigener Motor vorhanden sein.According to the described in claim 5 advantageous development of the inventive device, the drive for driving the adjusting devices in the form of the mechanisms may be formed by one or more motor (s). One or two motors can drive several of the vortices via a switchable gearbox and intermediate flexible shafts. ben, or there may be a separate motor per vortex.
In Anspruch 6 ist eine vorteilhafte Weiterbildung angegeben, nach der die Steuerung mit der Vergleichseinrichtung ebenfalls am Kopf der Gitarre bzw. des Basses angeordnet sind.In claim 6, an advantageous development is specified, according to which the control with the comparison device are also arranged at the head of the guitar or the bass.
Gleichermaßen kann auch eine Energiequelle zur Versorgung zumindest eines Teils der Komponenten der Vorrichtung mit Energie am Kopf der Gitarre bzw. des Basses angeordnet sein (Anspruch 7 ) .Similarly, an energy source for supplying at least a portion of the components of the device with energy at the head of the guitar or the bass may be arranged (claim 7).
Neben der Funktion als Erfassungseinrichtung für die Vorrichtung zum automatischen Stimmen des Saiteninstrumentes zu dienen, können die Piezoabnehmer zusätzlich noch weitere Funktionen erfüllen. In Anspruch 8 ist eine bevorzugte Ausgestaltung angegeben, wonach die von den Piezoabnehmern abgegriffenen Signale auch als Steuersignale, bspw. als MIDI- Signale verwendet werden können. Ebenfalls ist denkbar, die Signale der Piezoabnehmer zur akustischen Wiedergabe des Klanges des Saiteninstrumentes zu verwenden, wozu diese einem Verstärker zugeführt werden. Beispielsweise bei einer E- Gitarre oder einem E-Bass ergibt sich dabei die Möglichkeit, ein gegenüber einer Abnahme mit den elektromagnetischen so genannten „pick-ups" veränderten Klang des Instrumentes zu erzeugen. Sollen die Piezoabnehmer in einer oben beschriebenen Weise zusätzlich verwendet werden, müssen lediglich Signalleitungen bereitgestellt werden, mit denen die von den Piezoabnehmern erfassten Signale einem entsprechenden elektrischen Ausgang des Instrumentes zugeführt werden.In addition to serving as a detection device for the device for automatic tuning of the stringed instrument, the piezoelectric pickup can additionally fulfill other functions. In claim 8, a preferred embodiment is provided, according to which the tapped signals from the piezo pickups can also be used as control signals, for example. As MIDI signals. It is also conceivable to use the signals of the piezo pickups for acoustic reproduction of the sound of the stringed instrument, for which purpose they are fed to an amplifier. For example, in the case of an electric guitar or an electric bass, it is possible to produce a sound that is changed in comparison to a pickup with the electromagnetic so-called "pick-ups." If the piezo pickups are to be additionally used in a manner described above, Only signal lines must be provided with which the signals detected by the piezo pickups are supplied to a corresponding electrical output of the instrument.
Vorzugsweise ist an jeder Saite des Saiteninstrumentes eine Stelleinrichtung angeordnet und an jeder der Stelleinrichtungen ist ein Piezoabnehmer unmittelbar angebracht (Anspruch 9) . Grundsätzlich ist es auch denkbar, die erfindungsgemäß vorgesehenen, direkt auf einer Stelleinrichtung angeordneten Piezoabnehmer in einer Vorrichtung zu verwenden, die nicht zum automatischen Stimmen einer Gitarre vorgesehen ist, sondern lediglich als Stimmhilfe. Einer solchen Vorrichtung würde der Antrieb zum Verstellen der Stelleinrichtung fehlen, statt dessen wäre die Steuerung mit einer Anzeige verbunden, die eine Abweichung von dem Soll-Ton repräsentiert, bspw. durch eine LED-Anzeige oder eine Zeigeranzeige. Eine derartige Anzeige kann auch bei einer Vorrichtung zum automatischen Stimmen des Instrumentes, wie sie beschrieben und beansprucht ist, vorhanden sein.Preferably, an adjusting device is arranged on each string of the stringed instrument and at each of the adjusting devices, a piezoelectric pickup is attached directly (claim 9). In principle, it is also conceivable to use the piezo pickup provided according to the invention, arranged directly on an adjusting device, in a device which is not intended for automatic tuning of a guitar, but merely as a tuning aid. Such a device would lack the drive to adjust the actuator, instead the controller would be connected to a display representing a deviation from the desired tone, for example by an LED display or a pointer display. Such a display may also be present in a device for automatic tuning of the instrument as described and claimed.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der beigefügten Figuren. In dem Ausführungsbeispiel ist die vorliegende Erfindung anhand einer Verwirklichung in einer E-Gitarre erläutert. Die Erfindung ist allerdings nicht auf dieses Instrument beschränkt, sondern kann bei sämtlichen Saiteninstrumenten zum Einsatz gelangen.Further advantages and features of the invention will become apparent from the following description of an embodiment with reference to the accompanying figures. In the embodiment, the present invention will be explained with reference to an implementation in an electric guitar. However, the invention is not limited to this instrument but can be used in all stringed instruments.
In den Figuren zeigen:In the figures show:
Fig. 1 eine schematische Ansicht einer E-Gitarre,1 is a schematic view of an electric guitar,
Fig. 2 in dreidimensionaler Ansicht schematisch eine einzelne Mechanik der E-Gitarre mit aufgeklebtem Piezoabnehmer und Anschluss für eine Antriebswelle eines Antriebsmotors,2 is a three-dimensional view schematically a single mechanism of the electric guitar with glued piezoelectric pickup and connection for a drive shaft of a drive motor,
Fig. 3a eine alternative Ausgestaltung einer mit einem und 3 b Piezoabnehmer versehenen Mechanik, bei der der Piezoabnehmer in die Mechanik eingelassen, bei diesem Ausführungsbeispiel in konischer Form ein- gepresst, ist, Fig. 4 eine mögliche Anordnung eines aus zwei Motoren und einem Getriebe gebildeten Antriebes für die Wirbel am Kopf der E-Gitarre und3 a shows an alternative embodiment of a mechanism provided with one and 3 b piezo pickups, in which the piezo pickup is inserted into the mechanism, in this embodiment pressed in in a conical shape, Fig. 4 shows a possible arrangement of a drive formed by two motors and a gearbox for the vertebrae on the head of the electric guitar and
Fig. 5 eine Schnittdarstellung genommen entlang der Schnittlini IV - IV aus Fig. 4.5 is a sectional view taken along the Schnittlini IV - IV of FIG. 4th
In den Figuren sind gleiche bzw. gleichartige Elemente mit gleichen Bezugsziffern versehen.In the figures, the same or similar elements are provided with the same reference numerals.
In Fig. 1 ist schematisch als Beispiel eines Saiteninstrumentes, bei welchem die erfindungsgemäße Vorrichtung verwirklicht werden kann, eine E-Gitarre 1 dargestellt. Diese lässt sich grob unterteilen in einen Korpus 2, in einen Hals 3 und eine Kopf 4. An dem Korpus 2 befindet sich ein Befestigungsblock 5, in diesem Fall eine Tremolo-Systemblock, an dem die sechs Saiten βa bis βf der Gitarre 1 mit einem ersten Ende festgelegt sind. Die Saiten 6a bis βf erstrecken sich von da aus entlang des Korpus 2, des Halses 3 bis zum Kopf 4, wo sie auf Wirbeln 7 der am Kopf 4 angeordneten Mechaniken 10 (vgl. Fign. 2, 3a, 3b, 4 und 5) auflaufen. Zum Verstellen der Wirbel 7 sind an den Mechaniken 10 Flügel 8 angeordnet. Unterhalb der Saiten 6a bis βf befindet sich am Korpus 2 der E-Gitarre 1 ein so genanntes „pick guard" 9.In Fig. 1 is an example of a stringed instrument in which the device according to the invention can be realized, an electric guitar 1 is shown. This can be roughly divided into a body 2, in a neck 3 and a head 4. On the body 2 is a mounting block 5, in this case, a tremolo system block on which the six strings βa to βf of the guitar 1 with a first end are fixed. The strings 6a to βf extend from there along the body 2, the neck 3 to the head 4, where they rest on vertebrae 7 of the mechanisms 10 arranged on the head 4 (see Figures 2, 3a, 3b, 4 and 5). accrues. To adjust the vortex 7 10 wings 8 are arranged on the mechanisms. Below the strings 6a to βf is located on the body 2 of the electric guitar 1, a so-called "pick guard". 9
In diesem Beispiel sind die Stelleinrichtungen durch die Mechaniken 10 gebildet.In this example, the actuators are formed by the mechanisms 10.
In den Fign. 2, 3a und 3b ist dargestellt, wie erfindungsgemäß an diesen Stelleinrichtungen, d.h. an den Mechaniken 10, Piezoabnehmer 16 unmittelbar angeordnet sind. Die Fign. 2 bzw. 3a und 3b zeigen zwei unterschiedliche Varianten der möglichen unmittelbaren Anbringung des Piezoabnehmers 16 an den Mechaniken 10. Bei dem in Fig. 2 dargestellten Beispiel ist der Piezoabnehmer 16 auf einem Element der Mechanik 10 aufgeklebt. Bei dem in den Fign. 3a und 3b gezeigten Bei- y In the Fign. FIGS. 2, 3a and 3b show how, according to the invention, piezo actuators 16 are arranged directly on these adjusting devices, ie on the mechanisms 10. The Fign. 2 and 3a and 3b show two different variants of the possible direct attachment of the piezoelectric pickup 16 to the mechanisms 10. In the example shown in Fig. 2, the piezoelectric pickup 16 is glued to an element of the mechanism 10. In the case of FIGS. 3a and 3b. y
spiel ist der Piezoabnehmer 16 in einen Teil der Mechanik 10 eingelassen, hier eingepresst. Dies ist besonders gut in der Schnittdarstellung der Fig. 3b zu erkennen. Im letztgenannten Beispiel ist der Piezoabnehmer 16 konisch geformt und in eine entsprechend komplementär geformte Aufnahme in der Mechanik eingepresst. Mit 17 ist jeweils eine Signalleitung des Piezoabnehmers 16 angedeutet, die die von dem Piezoabnehmer 16 erfassten Tonsignale an die Vergleichseinrichtung bzw. die Steuerung weitergibt.game is the piezoelectric pickup 16 inserted into a part of the mechanism 10, pressed here. This can be seen particularly well in the sectional view of FIG. 3b. In the latter example, the piezoelectric pickup 16 is conically shaped and pressed into a correspondingly complementarily shaped receptacle in the mechanics. At 17, a signal line of the piezoelectric pickup 16 is indicated in each case, which forwards the sound signals detected by the piezoelectric pickup 16 to the comparison device or the controller.
In Fig. 2 ist weiter ein Anschluss 18 zum Anschließen einer mit einem Antrieb, in diesem Beispiel einem Motor 15 verbundenen bzw. verbindbaren Welle dargestellt. Ein solcher Anschluss ist prinzipiell auch bei dem in den Fign. 3a und 3b gezeigten Ausführungsbeispiel vorhanden, dort jedoch nicht näher gezeigt.FIG. 2 also shows a connection 18 for connecting a shaft connected to or connectable to a drive, in this example a motor 15. Such a connection is in principle also in the in Figs. 3a and 3b shown embodiment, but not shown there in detail.
In den Fign. 4 und 5 ist eine mögliche Anordnung von Antriebsmotoren 15 zum Antreiben der Mechaniken 10 gezeigt. Hier sind zwei Antriebsmotoren 15 spiegelverkehrt einander gegenüber liegend angeordnet. Die Antriebsmotoren 15 laufen gleichsinnig und übertragen ihre Antriebskraft jeweils unmittelbar auf eine dem jeweiligen Motor 15 zugeordnete Antriebswalze 14. Im Bereich der Antriebswalzen 14 sind Abnahmeräder 13 vorgesehen, die wahlweise mit einer der Antriebswalzen 14 in Eingriff bringbar sind. Dazu sind die Oberflächen der Antriebswalzen 14 und der Abnahmeräder 13 vorzugsweise aus einem Gummi gefertigt, um eine möglichst hohe Reibung und damit eine Übertragung des jeweiligen Drehmomentes zu erzielen. Insgesamt sind sechs Abnahmeräder 13 angeordnet, von denen in Fig. 4 lediglich drei zu erkennen sind. Die drei weiteren liegen in Fig. 4 unterhalb der Zeichenebene unter den dort dargestellten Abnahmerädern 13. Jedes der Abnahmeräder 13 ist mit einer flexiblen Welle 11 verbunden, die zu dem Anschluss 18 in der zugehörigen Mechanik 10 geführt ist.In the Fign. 4 and 5, a possible arrangement of drive motors 15 for driving the mechanisms 10 is shown. Here are two drive motors 15 mirror-inverted arranged opposite each other. The drive motors 15 run in the same direction and transmit their driving force directly to a respective motor 15 associated drive roller 14. In the field of drive rollers 14 take-off wheels 13 are provided which can be selectively brought into engagement with one of the drive rollers 14. For this purpose, the surfaces of the drive rollers 14 and the take-off wheels 13 are preferably made of a rubber in order to achieve the highest possible friction and thus a transmission of the respective torque. In total, six take-off wheels 13 are arranged, of which only three can be seen in FIG. The three further lie in FIG. 4 below the drawing plane below the take-off wheels 13 shown there. Each of the take-off wheels 13 is connected to a flexible shaft 11, which is guided to the terminal 18 in the associated mechanism 10.
Die erfindungsgemäße Vorrichtung zum automatischen Stimmen der hier dargestellten E-Gitarre 1 funktioniert folgendermaßen:The inventive device for automatic tuning of the electric guitar 1 shown here works as follows:
Zunächst wird die Gitarre in einen Stimmmodus geschaltet, bspw. durch Betätigen eines entsprechenden Schalters. Dann wird wenigstens eine der zu stimmenden Saiten angeschlagen. Der dabei entstehende Schall bzw. der dabei entstehende Ton wird über das auf den jeweiligen Wirbel 7 der zugeordneten Mechanik 10 auflaufende Ende der Saite auf die Mechanik 10 übertragen. Dort erfasst der unmittelbar auf der Mechanik 10 angeordnete Piezoabnehmer 16 das Schallsignal und gibt es über die Signalleitung 17 an eine nicht dargestellte Vergleichseinrichtung weiter. Die Vergleichseinrichtung ist vorzugsweise ebenfalls am Kopf 4 der E-Gitarre 1 angeordnet. In der Vergleichseinrichtung wird der tatsächlich erfasste Ton, bspw. anhand einer Frequenz, mit einem in einer hier ebenfalls nicht dargestellten, vorzugsweise ebenfalls am Kopf 4 der Gitarre 1 angeordneten Speichereinrichtung abgelegten Soll-Wert verglichen. Die Abweichung wird an eine hier ebenfalls nicht dargestellte Steuerung, die auch vorzugsweise am Kopf 4 der E-Gitarre 1 angeordnet ist, weitergegeben. Anhand der Abweichung bestimmt die Steuerung eine Richtung, in der die Saite zu bewegen ist (Spannen bzw. Entspannen) . Dann gibt die Steuerung ein entsprechendes Signal an die in Fign. 4 und 5 dargestellte Einheit aus Motoren 15 und durch die Abnahmeräder 13 und Antriebswalzen 14 gebildetem Getriebe weiter, wodurch das der Mechanik 10, auf der die zu stimmende Saite aufläuft, zugeordnete Abnahmerad 13 je nach Stellrichtung der Saite an eine der Antriebswalzen 14 gepresst und der zugehörige Motor 15 eingeschaltet wird. Über die mit dem entsprechenden Abnahmerad 13 verbundene flexible Welle 11 wird das Drehmoment auf die Mechanik 10, dort schließlich auf den Wirbel 7 übertragen, so dass die Saitenspannung verändert wird. Dadurch verändert sich der von der Saite abgegebene Ton in seiner Frequenz, was wiederum von dem Piezoabnehmer 16 erfasst und an die Vergleichseinrichtung gemeldet wird. Erst wenn die Vergleichseinrichtung eine Übereinstimmung zwischen dem erfass- ten Wert und dem Soll-Wert feststellt, steuert die Steuerung die Motoren 15 und das aus den Abnahmerädern 13 und Antriebswalzen 14 bestehende Getriebe an, um eine weitere Veränderung der Saitenspannung zu unterbinden. First, the guitar is switched to a voice mode, for example, by pressing a corresponding switch. Then at least one of the strings to be tuned is struck. The resulting sound or the resulting sound is transmitted to the mechanics 10 via the end of the string coming to the respective vertebra 7 of the associated mechanism 10. There, the piezo pickup 16 arranged directly on the mechanism 10 detects the sound signal and transmits it via the signal line 17 to a comparison device, not shown. The comparison device is preferably also arranged on the head 4 of the electric guitar 1. In the comparison device, the actually detected tone, for example, based on a frequency, with a in a here not shown, preferably also arranged on the head 4 of the guitar 1 arranged storage device stored target value compared. The deviation is passed on to a control, likewise not shown here, which is also preferably arranged on the head 4 of the electric guitar 1. Based on the deviation, the controller determines a direction in which to move the string (tensioning or relaxing). Then, the controller outputs a corresponding signal to those in Figs. 4 and 5 shown unit of motors 15 and by the take-off wheels 13 and drive rollers 14 formed transmission further, whereby the mechanism 10, on which the tuned string runs, associated Abnahmerad 13 depending on the direction of the string to one of the drive rollers 14 pressed and the associated motor 15 is turned on. Via the flexible shaft 11 connected to the corresponding take-off wheel 13, the torque is transmitted to the mechanism 10, there finally to the swivel 7, so that the string tension is changed. As a result, the tone emitted by the string changes in its frequency, which in turn is detected by the piezo pickup 16 and reported to the comparison device. Only when the comparator detects a match between the detected value and the target value does the controller control the motors 15 and the transmission consisting of the take-off wheels 13 and drive rollers 14 to prevent further variation of the string tension.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 E-Gitarre1 electric guitar
2 Korpus2 corpus
3 Hals3 neck
4 Kopf4 head
5 Tremolo-Systemblock5 tremolo system block
6a-f Saite6a-f string
7 Wirbel7 whirls
8 Flügel8 wings
9 Pick-Guard9 pick-guard
10 Mechanik10 mechanics
11 flexible Welle11 flexible shaft
12 Getriebe12 gears
13 Abnahmerad13 pick-up bike
14 Antriebswalze14 drive roller
15 Motor15 engine
16 Piezo-Abnehmer16 piezo pickups
17 Signalleitung17 signal line
18 Anschluss 18 connection

Claims

Patentansprüche claims
1. Vorrichtung zum Stimmen wenigstens einer Saite (6a - 6f) eines Saiteninstrumentes (1), vorzugsweise einer Gitarre, insbesondere E-Gitarre, oder Basses, insbesondere eines E-Basses, mit: a) einer Erfassungseinrichtung zum Erfassen eines durch Anschlagen der Saite (6a - βf) erzeugten Tones sowie zum1. Device for tuning at least one string (6a - 6f) of a stringed instrument (1), preferably a guitar, in particular electric guitar, or bass, in particular an electric bass, comprising: a) a detection device for detecting a by striking the string (6a - βf) generated tones and the
■ Ausgeben eines dem erfassten Ton entsprechenden Signals, b) einer Speichereinrichtung zum Abspeichern vorgegebener Signale, welche einem erwünschten Ton entsprechen, c) einer Vergleichseinrichtung zum Vergleichen des von der Erfassungseinrichtung ausgegebenen Signals mit einem in der Speichereinrichtung abgelegten, dem erwünschten Ton entsprechenden Signal, d) einer Stelleinrichtung (10) zum Verändern der Spannung wenigstens einer der Saiten (6a - 6f ) , e) wenigstens einem Antrieb (15) zum Antreiben der Stelleinrichtung (10), f) einer mit der Vergleichseinrichtung verbundenen Steuerung, welche anhand einer in der Vergleichseinrichtung festgestellten Abweichung zwischen den den erzeugten Ton und den erwünschten Ton repräsentierenden Signalen den wenigstens einen Antrieb über eine Steuerleitung ansteuert, dadurch gekennzeichnet, dass die Erfassungseinrichtung ein unmittelbar auf der Stelleinrichtung angeordneter Piezoabnehmer (16) ist. ■ issuing a the detected tone signal corresponding,) a memory means for storing predetermined signals corresponding to a desired sound, c) a comparator stored b for comparing the output from the detector signal with a in the storage means, the desired tone corresponding signal, d ) an adjusting device (10) for changing the tension of at least one of the strings (6a - 6f), e) at least one drive (15) for driving the adjusting device (10), f) a controller connected to the comparison device, which is determined by means of one of Comparing means detected deviation between the sound representing the sound and the desired signal representing controls the at least one drive via a control line, characterized in that the detection means is a piezo pickup (16) arranged directly on the adjusting device.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Stelleinrichtung (10) eine an einem Kopf (4) einer Gitarre, insbesondere einer E-Gitarre, bzw. eines Basses, insbesondere eines E-Basses, angeordnete mit einem Wirbel (7) und einem Flügel (8) zum Verstellen des Wirbels (7) versehene Mechanik ist und dass der Piezoab- nehmer (16) unmittelbar an. der Mechanik angeordnet ist.2. Apparatus according to claim 1, characterized in that the adjusting device (10) on a head (4) of a guitar, in particular an electric guitar, or a bass, in particular an electric bass, arranged with a vortex (7) and a wing (8) for adjusting the Whirl (7) provided mechanical and that the piezo pickup (16) directly to. the mechanics is arranged.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Piezoabnehmer (16) auf einem Teil der Mechanik aufgeklebt ist.3. A device according to claim 2, characterized in that the piezoelectric pickup (16) is glued on a part of the mechanism.
4. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Piezoabnehmer (16) in ein Teil der Mechanik eingelassen, bspw. eingeschraubt oder eingepresst, ist.4. Apparatus according to claim 2, characterized in that the piezoelectric pickup (16) embedded in a part of the mechanism, for example. Screwed or pressed, is.
5. Vorrichtung nach einem der vorhergehenden Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Antrieb (15) durch wenigstens einen am Kopf (4) der Gitarre bzw. des Basses angeordneten Motor gebildet ist, welcher zum Antrieb der Stelleinrichtung (10) mit dieser verbunden ist.5. Device according to one of the preceding claims 2 to 4, characterized in that the drive (15) is formed by at least one arranged on the head (4) of the guitar or the bass motor, which for driving the adjusting device (10) with this connected is.
6. Vorrichtung nach einem der vorhergehenden Ansprüche 2 bis 5, dadurch gekennzeichnet, dass die Steuerung mit der Vergleichseinrichtung am Kopf (4) der Gitarre bzw. des Basses angeordnet sind.6. Device according to one of the preceding claims 2 to 5, characterized in that the control with the comparison device on the head (4) of the guitar or the bass are arranged.
7. Vorrichtung nach einem der vorhergehenden Ansprüche 2 bis 6, dadurch gekennzeichnet, dass eine Energiequelle zur Versorgung zumindest eines Teils der Komponenten der Vorrichtung mit Energie am Kopf (4) der Gitarre bzw. des Basses angeordnet ist.7. Device according to one of the preceding claims 2 to 6, characterized in that an energy source for supplying at least a part of the components of the device with energy at the head (4) of the guitar or the bass is arranged.
8. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Ausgang des Piezoabneh- mers (16) so angeschlossen ist, dass von diesem abgegriffene Signale auch als Steuersignale verwendet werden können, bspw. als MIDI-Signale . Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jeder Saite (6a - 6f) des Saiteninstrumentes (1) eine Stelleinrichtung (10) zugeordnet ist und dass an jeder der Stelleinrichtungen (10) ein Piezoabnehmer (16) unmittelbar angeordnet ist. 8. Device according to one of the preceding claims, characterized in that an output of the Piezoabneh- mers (16) is connected so that tapped from this signals can also be used as control signals, for example. As MIDI signals. Device according to one of the preceding claims, characterized in that each string (6a - 6f) of the stringed instrument (1) is associated with an adjusting device (10) and that a piezoelectric pickup (16) is arranged directly on each of the adjusting devices (10).
EP05716157A 2005-03-17 2005-03-17 Device for automatically tuning a string of a stringed instrument Not-in-force EP1859434B1 (en)

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Also Published As

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JP2008533534A (en) 2008-08-21
EP1859434B1 (en) 2011-10-12
WO2006097126A1 (en) 2006-09-21
JP4654291B2 (en) 2011-03-16
US20080276787A1 (en) 2008-11-13
ATE528744T1 (en) 2011-10-15
CA2602154A1 (en) 2006-09-21

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