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WO2012113003A1 - Système de touche pour un instrument électronique à touches - Google Patents

Système de touche pour un instrument électronique à touches Download PDF

Info

Publication number
WO2012113003A1
WO2012113003A1 PCT/AT2012/000038 AT2012000038W WO2012113003A1 WO 2012113003 A1 WO2012113003 A1 WO 2012113003A1 AT 2012000038 W AT2012000038 W AT 2012000038W WO 2012113003 A1 WO2012113003 A1 WO 2012113003A1
Authority
WO
WIPO (PCT)
Prior art keywords
key
lever
button
sensor means
weight part
Prior art date
Application number
PCT/AT2012/000038
Other languages
German (de)
English (en)
Inventor
Friedrich LACHNIT
Original Assignee
Fl Keys E.U.
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 Fl Keys E.U. filed Critical Fl Keys E.U.
Publication of WO2012113003A1 publication Critical patent/WO2012113003A1/fr

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
    • G10H1/344—Structural association with individual keys
    • G10H1/346—Keys with an arrangement for simulating the feeling of a piano key, e.g. using counterweights, springs, cams
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/265—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors
    • G10H2220/305—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors using a light beam to detect key, pedal or note actuation

Definitions

  • the invention relates to a key device for an electronic keyboard instrument, such as a digital piano or keyboard, with at least one pivotally mounted on a frame key and one of this key associated with the frame pivotally gela ⁇ siege weight part lever, the pressing of the key through this Button is swiveled, as well as with position and
  • Part weight lever speed measuring means for determining sound triggering and volume.
  • an electronic keyboard instrument in particular a digital piano or keyboard
  • sound data sound samples
  • computer chips which are retrieved with an electronic control command.
  • the keyboards for keyboards and the like electronic keyboard instruments have essentially developed starting from the Ak ⁇ kordeonbau and lately also from the electric organ building herkom ⁇ mend where the keys are usually used only at the beginning and end a sound generator.
  • the aim to achieve A possible ⁇ lichst cost formation of the key device regardless of the perfect as possible simulation of playing on a conventional piano playing on this button device with a keyboard, etc.
  • the invention provides a Tastenein ⁇ direction as stated above, which is inventively characterized in that the measuring means with non-contact sensor means for the detection of positions and the Speed as well as the direction of movement of the weight ⁇ part lever when pressing the button are formed.
  • the non-contact sensor means which cooperate with the lever can thereby be provided relatively far away from the bearing point of the lever, that is, from the pivot bearing, and the lever can execute a strong pivotal movement in comparison to the key, whereby measurements are made possible with correspondingly large movement strokes so that the accuracy in detecting the positions and the speed of the lever can be substantially increased.
  • a relatively small stroke is available, unlike a lever which, for example, has a multiple of the angle "stroke" of the key during its movement stroke.
  • the accuracy is also ensured by the fact that contactless sensor means are provided, instead of the known rubber-springy touch contacts according to the prior art, so that much more accurately the positions, etc. can be detected when the lever of a key operation is first pivoted in one direction, while the Sound triggers, and then pivots back, the sound is then terminated.
  • contactless sensor means are provided, instead of the known rubber-springy touch contacts according to the prior art, so that much more accurately the positions, etc. can be detected when the lever of a key operation is first pivoted in one direction, while the Sound triggers, and then pivots back, the sound is then terminated.
  • capacitive or inductive sensors could be provided in the present key device, but preferably the non-contact sensor means are formed with - preferably stationary - light barrier means.
  • the speed detection two adjacent optical sensors can be provided;
  • the light barrier means are preferably associated with a plate-shaped part of the weight part lever, in particular a laced flag on the lever.
  • the flag has two slots, so as to allow successive, similar signal edges.
  • the lever can be arranged as known per se under the associated key; but it is, for example, if the construction requires a particularly flat play area, but behind a higher structure is easily possible, quite conceivable that the lever is disposed above a remote from a player rear part of the button, which is hidden in the operating state of a housing part ,
  • contactless speed sensor means may be provided on the underside of the key.
  • These provided at the bottom of the button speed sensor means may also be formed by an optical sensor, preferably a reflex sensor, but it may also be provided for particularly accurate measurements, for example, to provide a transparent measuring strip, which is connected to the button with a scaling is provided, and which cooperates with a stationarily arranged optical sensor.
  • FIG. 1 is a schematic, partially sectioned view of the arrangement of a key with a play weight or weight ⁇ part lever in an electronic keyboard instrument, namely in particular a keyboard, which also schematically a Klaviaturrahmen is illustrated in section.
  • 2 is a partial bottom view of an arrangement with several He ⁇ lever of Figure 1 in conjunction with a common circuit board.
  • Figure 3 is a partial view taken along arrow III in Figure 1 on an enlarged scale, the arrangement of a flag with two slots on a lever in the region of an angling thereof, in conjunction with a screw for adjusting the flag relative to the lever and with optical sensor means ..;
  • Fig. 4 is a view similar to Figure 1 is a position in which the key was pressed from the rest position shown in Figure 1 when playing down.
  • FIG. 5 is a block diagram of a - known per se - electronic circuit for retrieving sound samples from an electronic memory when pressing the keys of the keyboard;
  • Fig. 6 in association with this block diagram, a diagram with signals as they are obtained when using the key device of Figures 1 to 4, with the double-slotted flag and the sensor means with two sensors.
  • Fig. 7 in a view, partially in section, similar to Figure 1 a key device with an upper-side, rear lever.
  • Figure 8 is a plan view of a part of the lever of the key device according to Fig 7, together with flags attached thereto and to ⁇ associated forked light barrier with two sensors..;
  • FIG. 9 shows the arrangement according to FIG. 7 in the position in which the key is pressed
  • FIGS. 10 shows a further embodiment of a key device, again with a lever below the key, but in the rear key area, again showing the key in the rest position, similar to that in FIGS. 1 and 7;
  • Fig. 11 in a detailed plan view of a plate-shaped end part of the lever in association with optical sensor means in the form of Fork sensors;
  • FIG. 12 shows a view similar to FIG. 10 of the key device while the key is pressed
  • Fig. 13 shows another embodiment of the key device similar to that of Fig. 10 but modified with respect to the arrangement of speed sensing means on the key bottom;
  • FIG. 14 is a view corresponding to FIG. 13 of the key device while the key is pressed; FIG.
  • FIG. 15 shows a schematic partial view of a reflection light sensor provided in this embodiment according to FIGS. 13 and 14 as a speed sensor means on the underside of the key;
  • FIGS. 16 and 17 show another key device in views corresponding to FIGS. 1 and 4, in the rest position (FIG. 16) and secondly while the key is pressed (FIG. 17);
  • FIGS. 18 and 19 show another embodiment of the present key device in the rest position (FIG. 18) or while the key is pressed (FIG. 19), in views corresponding to FIGS. 1 and 4.
  • Button device 10 as well as all other embodiments can be used in any electronic keyboard instruments, namely keyboards, digital pianos, but also electronic organs, especially in such instruments with more than one manual.
  • the general arrangement of the respective keyboard is known per se, so that a more detailed description can be omitted here.
  • a key 11 of the key means 10 in a side view, partially in section, even in the rest ⁇ position (FIG. 1) and the other being pressed once in a with a force F (see Fig. Arrow) match position ( Figure 4).
  • the pivot bearing 12 for the key 11 is indicated only schematically, and this pivot bearing 12 may be formed in a conventional manner.
  • the pivot bearing 12 is arranged on a keyboard frame 13, which is partially schematically illustrated in Fig. 1 and 4 in section.
  • lever 15 which is simply called lever 15 hereinafter and represents a game weight 14 to a pivot bearing 16 pivotally mounted on the frame 13.
  • the lever 15 is designed as a double-armed lever, wherein the shorter lever arm 17 rests against the underside of the key 11, whereas the longer, angled lever arm 18 forms the egg ⁇ tual game weight 14. .
  • the button is pushed can be seen 11 as shown in Figure 4, the shorter lever arm 17 is pivoted counterclockwise as shown in Figure 4 down, and the longer lever arm 18 (likewise in counter ⁇ clockwise) thereby pivoted upwards. See also the button is pushed can be seen 11 as shown in Figure 4, the shorter lever arm 17 is pivoted counterclockwise as shown in Figure 4 down, and the longer lever arm 18 (likewise in counter ⁇ clockwise) thereby pivoted upwards. See also the
  • the lever 15 has with its longer lever arm 18 is an approximately rectangular bend 19; in the region of this bend 19, in the outer corner area, a screw adjusting member 20 is screwed for the A ⁇ position and fixing of a flag 21st
  • the flag 21 has, as is apparent in particular from the enlarged view in Fig. 3, two slots 22, 23 which cooperate with two (transmitted) sensors 24, 25, wel ⁇ che via a holder 26 attached to a circuit board 27 are.
  • Arrow F in Fig. 4. This will be explained below with reference to FIG. 6 in more detail.
  • FIGS. 1, 3 and 4 only one key 11 with associated lever 15 and associated non-contact sensor means 28 is shown as measuring means 28 'for the positions and speeds of the lever 15.
  • FIGS. 1, 3 and 4 only one key 11 with associated lever 15 and associated non-contact sensor means 28 is shown as measuring means 28 'for the positions and speeds of the lever 15.
  • the circuit board 27 may extend ⁇ over the entire length of the keyboard, but it may also be divided, for example according to octaves of the keyboard. From the bottom view of FIG. 2 it can be seen that the printed circuit board 27 is provided for a plurality of keys or more precisely levers 15, 15 ', 15'', etc., these levers 15, 15', 15 '' corresponding to the example in FIG 2 are associated with buttons 11 not shown in greater detail and each carrying a flag 21 with slots 22, 23 (see FIG. 3) which cooperate with optical sensor means, here transmitted light sensors 24, 25. As can be seen from FIG. 2, 21 sensor elements 29 (eg with a light transmitter, or with two light transmitters) and 30 (with two light receivers) are provided on both sides of the flag.
  • 21 sensor elements 29 eg with a light transmitter, or with two light transmitters
  • 30 with two light receivers
  • the flag With the screw 20, the flag can in its longitudinal direction, as can be seen directly from Fig. 3, see. there also the double arrow, be adjusted exactly, so as to determine the positions for the sound of the respective tone.
  • Such Feinj ust ist a flag 21 can, however, also erübri ⁇ conditions when the design and arrangement of the respective lever 15 and the fixed attachment of the flag 21 are sufficiently accurate and correspond to the desired positions for the input or Ausschal ⁇ th of the clay ; see. in this context also in ⁇ example, the figures 7 to 9, where a fixed flag 21 is mounted on the lever 15.
  • FIG. 5 very schematically illustrates a basically conventional electronic unit for an electronic keyboard instrument, eg a keyboard, equipped with a key device 10 according to, for example, FIGS. 1 to 4.
  • ⁇ Licher component of this electronic unit is a central computer or processor, a CPU 31; this CPU 31 is a
  • a logic module 33 for example in the form of an FPGA decoder (FPGA-field-programmable gateway array, freely programmable link field).
  • FPGA decoder FPGA-field-programmable gateway array, freely programmable link field.
  • This logic module 33 the signals of all non-contact sensor means 28 are supplied from all keys 11 of the keyboard of the instrument to entprechenden inputs; For the sake of simplicity, only the signal combination s1, s2 of a key 11, ie of its contactless sensor means 28 (see Figures 1 to 4), is shown here in conjunction with Figure 5 in Figure 6.
  • the output of the CPU 31 is further connected to a sound module 34, this sound module 34 holds the corresponding sound samples stored for the tones (sounds) to be retrieved and has a corresponding output circuit with an audio output 35 , are connected to the not further illustrated loudspeaker ⁇ .
  • the CPU 31 further has a MIDI (MIDI musical instrument digital interface) and USB-MIDI output 36, respectively.
  • MIDI MIDI musical instrument digital interface
  • USB-MIDI output 36 USB-MIDI output
  • a key 11 (FIG. 1) is in the rest position in phase XI.
  • the signals sl of the sensor 24 and s2 of the sensor 25 are at "0"
  • the sensor means 28 are in the position blocked by the flag 21 (see FIG Movement direction are offset, and that moreover two slots 22, 23 are present in the flag 21, then when passing the flag 21 and thus the slots 22, 23 on the sensors 24, 25, if by pressing the key 11, the lever 15 is pivoted ,
  • a variety of signal evaluations are achieved, in particular the position (which is detected with the signal s2), the direction of movement (in combination with the Si ⁇ signal sl) and the speed of the flag 21 and thus the lever 15th Therefore, as shown in Fig.
  • the signal sl of the sensor 24 has already reached its maximum, that is to say a logical "1";
  • time-shifted signal values for example minima and maxima, are present in the signal sl, ie when the "on" (range A) is activated, the signal s2 passes the signal sl after.
  • both sensor signals sl, s2 are at "1", as can be seen from the diagram in FIG.
  • the duration T of the note is now determined, for example, between the edge no. 5 in the turn-on area A and the edge no. 2 'in the turn-off area B. Between the shut-off edge 4 'and the edge 2', the release time and thus the release speed is determined.
  • the key device 10 differs from the embodiment described with reference to FIGS. 1 to 6 primarily in that the lever 15 is not under the key 11, but in the rear, within a housing 40th concealed area above the Tas ⁇ te 11 is arranged.
  • the lever 15 is again pivotable about a pivot bearing 16, but it is now as a one-armed lever, with a stop 41, which defines a short lever arm 17 relative to the pivot bearing 16 is formed.
  • the long lever arm 18 in turn carries a flag 21, which is now firmly connected to the lever 15, and which has only a single slot 22.
  • This flag 21 with the slot 22 in turn forms with a fork light barriers with two sensors 24, 25 (see Fig.
  • the optical sensors 24, 25 are attached to a - here in plan view (see Fig. 8) U-shaped holder 26 ', on the legs of the U, two sensors 24, 25 above the other.
  • Fig. 7 and 9 for simplicity, the in Fig. 1, the second and 4, printed circuit board 27 omitted; Of course, however, in the embodiment of FIG. 7 to 9, a corresponding circuit board 27 may be present, to which the carrier 26 'for the optical sensors 24, 25 is attached. Alternatively, there may be an electrical signal connection between the sensor means ⁇ 28 and a separate, for example, mounted on a circuit board circuit.
  • FIGS. 10 to 12 in turn show an embodiment of the present key device 10 with a lever 15 below the key 11. Similar to the embodiment according to FIGS. 7 to 9, however, the lever 15 is not provided with a separate flag 21, but together with its rear flag-like, plate-shaped end part 15x forms a diaphragm for the non-contact optical sensor means 28, to which two Fork light barriers, with two sensors 24, 25 in superimposition belong. In this case, the end portion 15x of the lever 15 sequentially interrupts the light beam of the sensor 24 and then the sensor 25 to finally in the state with pressed key 11, see Fig. 12, both light beams to block.
  • a measuring strip 42 is mounted with a grid line, which is provided with a simple Gabellicht- 43 cooperates to form non-contact speed sensor means 44; With these sensor means 44, however, it is of course also possible, with regard to the measuring strokes on the measuring strip 42, to determine the respective position of the key 11.
  • the measuring strip 42 may be transparent, for example, in which case there is a transmitted light barrier 43; on the other hand it is
  • the sensor means 44 can also, for example for inspection or for a coarse measurement to be provided, the result of the larger stroke of the end portion 15x of the lever 15 ge passed ⁇ greater precision of the sensor means is primarily 18th
  • FIGS. 13 and 14 corresponds, as regards the (main) sensor means 28 to the end part 15x of the lever 15 as an aperture, to the embodiment according to FIGS. 10 to 12.
  • a speed sensor means 44 with a reflex light sensor 45 is provided, which cooperates with a projection 46 on the key underside in order to detect the speed of the key 11.
  • Fig. 15 is an enlarged view of this reflected light sensor means 44 with a light emitter 47, e.g. an LED, and a light receiver 48, e.g. a photodiode or phototransistor.
  • the sensor means 28 with the light barriers 24 'and the flags 21 with the single slot 22 works like with reference to FIGS in principle. 7 to 9 described ver ⁇ parable contactless sensor means 28, so that can eliminate the need for newly description here. A difference can be seen only in that in the home or rest position shown in FIG. 16, the light beam of the forked light barriers 24 'is interrupted by the flag 21, and the light beam thereafter upon actuation of the key 11, see Fig. 17, first the slot
  • the arrangement of the game weight 14 or lever 15 in the rear key area above the key 11 again corresponds to the arrangement in the exemplary embodiment according to FIGS. 7 to 9, so that, also with regard to the here formed contactless sensor means 28, which are also formed analogous to Fig. 7 to 9, a repetition of the description may be unnecessary.

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

Abstract

L'invention concerne un système de touche (10) pour un instrument électronique à touches, tel que par exemple un piano numérique ou un instrument de musique électronique à clavier. Ledit système est équipé d'au moins une touche (11) logée de manière à pouvoir pivoter sur un cadre (13) et d'un levier à partie pondérale (15) logé de manière à pouvoir pivoter sur le cadre et associé à une de ces touches (11), ledit levier étant actionné par cette touche (11) lors d'une pression sur la touche (11). Le système est également équipé de moyens de mesure de position et de vitesse (28') pour le levier à partie pondérale (15) afin de déterminer un déclenchement de tonalité et un volume sonore, les moyens de mesure (28') étant réalisés avec des moyens détecteurs (28) fonctionnant sans contact dans le but de détecter des positions et la vitesse ainsi qu'également la direction de déplacement du levier à partie pondérale (15) lors de la pression de la touche (11).
PCT/AT2012/000038 2011-02-21 2012-02-21 Système de touche pour un instrument électronique à touches WO2012113003A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA224/2011 2011-02-21
ATA224/2011A AT510839B1 (de) 2011-02-21 2011-02-21 Tasteneinrichtung für ein elektronisches tasteninstrument

Publications (1)

Publication Number Publication Date
WO2012113003A1 true WO2012113003A1 (fr) 2012-08-30

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ID=45807994

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2012/000038 WO2012113003A1 (fr) 2011-02-21 2012-02-21 Système de touche pour un instrument électronique à touches

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AT (1) AT510839B1 (fr)
WO (1) WO2012113003A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105739995A (zh) * 2016-03-03 2016-07-06 上海与德通讯技术有限公司 模拟弹奏方法及模拟弹奏模块

Citations (13)

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Publication number Priority date Publication date Assignee Title
JPH03107899A (ja) 1989-09-21 1991-05-08 Yamaha Corp 電子楽器用鍵盤装置
US5062342A (en) 1988-12-28 1991-11-05 Casio Computer Co., Ltd. Piano action device for electronic keyboard musical instruments
US5231283A (en) 1989-03-27 1993-07-27 Gulbransen, Inc. Opto-electronic sensing method and device for an acoustic piano
US5291011A (en) 1991-10-07 1994-03-01 Yamaha Corporation Photosensor controller for musical instrument having a driving means for driving a subsequent pair of luminescing means and detecting means in sequence
EP0727766A2 (fr) 1995-02-20 1996-08-21 FATAR S.r.l. Claviers de pianos électroniques et similaires
US5552561A (en) 1994-03-30 1996-09-03 Yamaha Corporation Playing-style detecting apparatus and electronic musical instrument utilizing the same
JPH1026983A (ja) 1996-07-11 1998-01-27 Matsushita Electric Ind Co Ltd 電子楽器の鍵盤装置
JP2001222282A (ja) 2000-02-10 2001-08-17 Yamaha Corp 光センサ
US20060185503A1 (en) * 2005-02-24 2006-08-24 Yamaha Corporation Automatic player capable of reproducing stop-and-go key motion and musical instrument using the same
US20060254406A1 (en) 2004-01-26 2006-11-16 Roland Corporation Compact keyboard apparatus with accurate detection of key pressing speed
EP1975921A2 (fr) * 2007-03-29 2008-10-01 Yamaha Corporation Instrument musical capable de produire des transformations de tons et système de lecture automatique
CN101320558A (zh) 2007-06-07 2008-12-10 雅马哈株式会社 电子乐器键盘装置
US20100236387A1 (en) * 2009-03-19 2010-09-23 Hisamitsu Honda Musical tone control system for grand-type piano

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Publication number Priority date Publication date Assignee Title
JP4289428B2 (ja) * 2007-10-09 2009-07-01 ヤマハ株式会社 電子打楽器

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062342A (en) 1988-12-28 1991-11-05 Casio Computer Co., Ltd. Piano action device for electronic keyboard musical instruments
US5231283A (en) 1989-03-27 1993-07-27 Gulbransen, Inc. Opto-electronic sensing method and device for an acoustic piano
JPH03107899A (ja) 1989-09-21 1991-05-08 Yamaha Corp 電子楽器用鍵盤装置
US5291011A (en) 1991-10-07 1994-03-01 Yamaha Corporation Photosensor controller for musical instrument having a driving means for driving a subsequent pair of luminescing means and detecting means in sequence
US5552561A (en) 1994-03-30 1996-09-03 Yamaha Corporation Playing-style detecting apparatus and electronic musical instrument utilizing the same
EP0727766A2 (fr) 1995-02-20 1996-08-21 FATAR S.r.l. Claviers de pianos électroniques et similaires
JPH1026983A (ja) 1996-07-11 1998-01-27 Matsushita Electric Ind Co Ltd 電子楽器の鍵盤装置
JP2001222282A (ja) 2000-02-10 2001-08-17 Yamaha Corp 光センサ
US20060254406A1 (en) 2004-01-26 2006-11-16 Roland Corporation Compact keyboard apparatus with accurate detection of key pressing speed
US20060185503A1 (en) * 2005-02-24 2006-08-24 Yamaha Corporation Automatic player capable of reproducing stop-and-go key motion and musical instrument using the same
EP1975921A2 (fr) * 2007-03-29 2008-10-01 Yamaha Corporation Instrument musical capable de produire des transformations de tons et système de lecture automatique
CN101320558A (zh) 2007-06-07 2008-12-10 雅马哈株式会社 电子乐器键盘装置
US20080307944A1 (en) * 2007-06-07 2008-12-18 Yamaha Corporation Electronic Musical Instrument Keyboard Apparatus
US20100236387A1 (en) * 2009-03-19 2010-09-23 Hisamitsu Honda Musical tone control system for grand-type piano

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105739995A (zh) * 2016-03-03 2016-07-06 上海与德通讯技术有限公司 模拟弹奏方法及模拟弹奏模块

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AT510839A4 (de) 2012-07-15

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