EP0384120B1 - Tastatur für eine elektronische Orgel mit Klaviereffekt - Google Patents

Tastatur für eine elektronische Orgel mit Klaviereffekt Download PDF

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Publication number
EP0384120B1
EP0384120B1 EP90100977A EP90100977A EP0384120B1 EP 0384120 B1 EP0384120 B1 EP 0384120B1 EP 90100977 A EP90100977 A EP 90100977A EP 90100977 A EP90100977 A EP 90100977A EP 0384120 B1 EP0384120 B1 EP 0384120B1
Authority
EP
European Patent Office
Prior art keywords
rotation
axis
key
reaction lever
reaction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90100977A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0384120A3 (de
EP0384120A2 (de
Inventor
Reinhard Franz
Walfried Dost
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.)
FATAR S.R.L.
Original Assignee
FATAR Srl
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Filing date
Publication date
Application filed by FATAR Srl filed Critical FATAR Srl
Publication of EP0384120A2 publication Critical patent/EP0384120A2/de
Publication of EP0384120A3 publication Critical patent/EP0384120A3/de
Application granted granted Critical
Publication of EP0384120B1 publication Critical patent/EP0384120B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • 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

Definitions

  • the invention relates to a keyboard for a electronic organ with piano effect, with each Key against spring force around a first horizontal axis of rotation is pivotally mounted and via one on the Tappet attached when the button is pressed against a curve piece on one around a second horizontal Axis swiveling reaction lever presses and this while moving down the curve section against one large and then against a smaller reactive force swivels a first end position into a second end position, being the great reactive force due to acceleration an additional mass attached to the reaction lever and the smaller reaction force due to an increase in the distance the contact point of the ram on the curve piece caused by the axis of rotation when moving the curve piece becomes.
  • a second reaction lever arm is activated a pivoting of the plunger so that its force no longer perpendicular to the curve piece (i.e. on a tangent in the ram contact point of the Curve piece) is directed, but the plunger that The corner begins to move, with the result that only another component of the tappet force on the cam piece or the reaction lever arm carrying this effective is.
  • the distance increases of the plunger from the axis of rotation of the reaction lever, and the reaction force of the reaction lever suddenly increases accordingly. Then the key is - corresponding classical piano mechanics - very light to operate.
  • the plunger can therefore be considered straightforward Pole without additional lever arm as with the conventional jack of classical piano mechanics and without their trigger, with which the lever arm of the Jack comes into contact, be formed because of second reaction lever arm takes over the release function.
  • the here the plunger between a multi-part joint Tappet and reaction lever pivoting reaction lever arm is provided with a cushion to avoid impact noises, especially when resetting the ram, to avoid.
  • a cushion is not only complex, but results from its flexibility also no precisely defined trigger point at which the The plunger on the curve piece begins to slip around simulate the sudden drop in reaction force.
  • the pad loses after a long time Time its compliance, so that the damping of the Impact noise is reduced.
  • the invention has for its object a keyboard of the generic type to indicate that at a lower Effort lower impact noises and one maintains the defined trigger point.
  • this object is achieved in that in the idle position of the unactuated key the distance of the Position of the tappet on the curve section from the button is chosen so that the horizontal distance of the Contact point from the axis of rotation of the reaction lever at Depressing the button increases and that the plunger only comes with the curve piece and with the Button is rigidly connected.
  • the tappet only works with the curve piece together to the reaction lever against the weight and turn the inertia of the additional mass, not only the distance of the plunger from the Axis of rotation of the reaction lever enlarged, but also the curve piece from the beginning with a (at the beginning vertical position of the ram) to the horizontal movement component of the plunger directed in the opposite direction Movement component is moved so that one alone deflection angle corresponding to the swivel angle of the key of the plunger is sufficient to take the curve section under Exceeding the trigger point at which the slipping effect starts to leave.
  • the plunger is therefore not carried by an arm of the reaction lever.
  • one is omitted multi-part swivel joint between plunger and button.
  • the curve piece is continuously curved over its entire length. To this If desired, it is possible, one in particular soft slipping effect, i.e. Transition from a high to achieve a low key resistance.
  • the tappet can be in the rest position of the unactuated button with its free end surface only on that of the axis of rotation of the reaction lever adjacent section of the Surface of the curve piece lies. This will avoid that the slipping effect is too early and too clear becomes noticeable when the ram's contact point initially too close to the transition point, like the kink, lies, e.g. if the initial key resistance thereby is adjustable that the distance of the longitudinal axis of the plunger from the axis of rotation of the reaction lever is adjustable.
  • each plunger can be elastically flexible, in particular Have spring steel sheet. Then it bends slight slip when the slip effect begins and thus contributes to a rapid reduction in key resistance while slipping through.
  • the key resistance setting can be achieved in that the bearings of the reaction lever axis of rotation across the plane of the unactuated ram are movable.
  • the curve piece is an elastically flexible strip, one of which End portion on a support surface of the reaction lever is attached and the other end portion in the Rotary plane of the reaction lever protrudes from this, and the plunger in the rest position of the pressed button the protruding end portion of the curve piece is seated. If the plunger is unsupported during this training Reached end section of the elastic curve piece, becomes a sudden decrease in this way the key resistance due to the elastic yielding of the curve piece in the area of the unsupported End section reached. If the curve piece as well has a kink, causes the Knicks an additional, sudden drop in Key resistance due to the elastic deflection of the slider.
  • the curve section can be essentially over its entire length is supported by the reaction lever be.
  • the reaction lever For an annoying reverberation of the reaction lever when it reaches its end position after release, the reaction lever interact with a vibration damper, the free Vibrations of the reaction lever around its axis of rotation dampens.
  • a simple design of the vibration damper can be that he with the reaction lever in rubbing touch. This results in damping by friction.
  • the one of the two adjacent surfaces of curve piece and tappet can be smooth and the other be formed by a cushion, which is preferably made of a recess.
  • the padding helps reduce noise at and can be activated by pressing a key move with little friction on the smooth surface, so that the key resistance is only insignificant the friction is affected.
  • the low frictional resistance between cushion and curve piece also carries to increase the lifespan of the upholstery.
  • the recording of the upholstery in a recess ensures one secure hold of the upholstery.
  • each key is 1 for actuating an electrical, not shown Switching element about a horizontal axis of rotation 2 against the force of a return spring 3 is pivotally mounted.
  • buttons 1 and 2 At the bottom of the button 1 control lever arm is a plunger 4 in the pivoting plane of the key 1 approximately vertically from button 1.
  • the plunger 4 is rigid and formed in one piece with the key 1, but can also rigid, i.e. without swivel, attached to button 1 be.
  • the plunger 4 is at its free end an axial recess 5 (Fig. 1b) provided in the a felt pad 6 is embedded and protrudes axially.
  • Key 1 becomes key 1 by the force of the return spring 3 against a padded stop 7 and in the 2 shown rest position when the button is pressed by the actuating force against a padded Stop 8 pressed.
  • reaction lever 9 in the same level as key 1 around one to axis of rotation 2 the key 1 parallel pivot axis 10 pivotally mounted.
  • the reaction lever 9 has a longer lever arm 11 and a shorter lever arm 12 that is roughly opposite directed and arranged on both sides of the axis of rotation 10 are.
  • the longer lever arm 11 is at its free end with an additional mass 13 (or a weight) from a specifically much heavier material, preferably lead, as the material of the reaction lever 9, which is preferably made of plastic.
  • a kinked curve piece 14 (see in particular Fig. La) in the form of a strip of spring steel sheet attached with its one end section 15, so that the short lever arm 12 this end portion 15th butts over the free end of the lever arm 12 protruding free end portion 16 of the curve piece 14 is freely flexible.
  • the tops of the two end sections 15 and 16, on both sides of the kink 17 of the Curve section 14 lie, form an obtuse angle and are facing the bottom of button 1.
  • the top the curve piece 14 is polished smooth and the Location of the curve piece 14 selected so that the plunger 4 in the rest position of the unactuated shown in Fig.
  • vibration damper on a frame 18 of the keyboard 19 in the form of an upwardly arched leaf spring attached with one end.
  • the leaf spring 19 stands under tension in rubbing contact with a Axis of rotation 10 of the reaction lever 9 concentric surface 20 of the reaction lever 9 to vibrate the Reaction lever 9 primarily in the end position according to FIG. 1, but also to dampen in the end position according to FIG. 2.
  • the unactuated is already in the rest position Key 1 of FIG. 1 the distance of the attachment point of the tappet 4 on the curve piece 14 from the button 1 greater than the distance of the button 1 from the axis of rotation 10 of the reaction lever 9.
  • the plunger 4 comes in each phase of its rotary movement only with the curve piece 14 to the system.
  • the horizontal Distance of the curve piece 14 from the axis of rotation 10 in the course of the rotational movement of the reaction lever 9 decreased relatively quickly when button 1 was depressed, where the relative speeds of upholstery 6 and curve piece 14 add, which also helps the transition from high to low key resistance like a slipping effect for the player to make it more noticeable.
  • the vibration damper 19 provides any damping Torsional vibrations of the reaction lever 9 around Axis of rotation 10 in the rest position of the key 1 according to FIG. 2, if she continues to be depressed, or also in the rest position of Fig. 1 after the key 1 has returned to this rest position.
  • the keyboard according to FIGS. 5 and 6 differs 3 and 4 essentially only in that that instead of the sliding bearing 22 a Eccentric 23 is provided, by the rotation of the Tappet 4 'laterally from the axis of rotation 10 of the reaction lever 9 is pushed away by the amount f, so that here too the effective length d of the short lever arm 12 can be increased by the amount f to d '.
  • a slide 24 is provided which on an angle piece 25 connected to the tappet 4 ′ or directly engages the plunger 4 'and the plunger 4 'by moving the slide 24 horizontally can bend the amount f away from the axis of rotation 10.
  • the movable bearing 22 of FIGS. 3 and 4, the Eccentric 23 according to FIGS. 5 and 6 and the slide 24th 7 are continuously adjustable and in each set position can be determined.
  • the keyboard of Fig. 8 differs from the previous ones Embodiments from here as the curve piece 14 'practically the entire length of the lever arm 12' of the reaction lever 9 supports and in full length without Kink, is only constantly curved. With such a shape there is a particularly soft slipping effect achieve, being on an elastic portion of the Curve piece 14 'can be dispensed with.
  • This one too Keyboard can be one of the setting options mentioned 3 to 7 for the effective lever arm length d be provided.
  • a modification can be that a flatter padding than pad 6 on the underside of the plunger 4 or 4 'is glued, the recess 5 according to FIG. 1b is omitted.
  • the underside of the plunger 4 or 4 'as a smooth surface train and on the entire top of the Glue a flat pad to the curve piece 14, 14 'or 14 " or in a shallow depression of this surface so that it protrudes from this top, the pad is also glued in the recess can be.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Toys (AREA)
EP90100977A 1989-02-24 1990-01-18 Tastatur für eine elektronische Orgel mit Klaviereffekt Expired - Lifetime EP0384120B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3905646 1989-02-24
DE3905646A DE3905646C1 (ja) 1989-02-24 1989-02-24

Publications (3)

Publication Number Publication Date
EP0384120A2 EP0384120A2 (de) 1990-08-29
EP0384120A3 EP0384120A3 (de) 1992-05-20
EP0384120B1 true EP0384120B1 (de) 1998-03-25

Family

ID=6374773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90100977A Expired - Lifetime EP0384120B1 (de) 1989-02-24 1990-01-18 Tastatur für eine elektronische Orgel mit Klaviereffekt

Country Status (7)

Country Link
US (1) US4993305A (ja)
EP (1) EP0384120B1 (ja)
KR (1) KR940003152B1 (ja)
AT (1) ATE164467T1 (ja)
DE (2) DE3905646C1 (ja)
DK (1) DK0384120T3 (ja)
ES (1) ES2116968T3 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243125A (en) * 1991-03-22 1993-09-07 Kabushiki Kaisha Kawai Gakki Seisakusho Keyboard apparatus for electronic musical instrument having cooperating jacks and hammers
JP2528588Y2 (ja) * 1991-04-24 1997-03-12 株式会社河合楽器製作所 電子楽器の鍵盤装置
US5661082A (en) * 1995-01-20 1997-08-26 Motorola, Inc. Process for forming a semiconductor device having a bond pad
FR2731292B1 (fr) * 1995-03-03 1997-04-30 Perrin Claude Capteur de deplacement dans un systeme d'analyse du mouvement des touches d'un piano
FR2731293B3 (fr) * 1995-03-03 1997-04-30 Perin Claude Perfectionnement a un capteur de deplacement dans un systeme d'analyse du mouvement des touches d'un piano
US6060653A (en) * 1999-05-28 2000-05-09 Willis; Raymon A. Method and apparatus for adjusting keys of a musical keyboard instrument from a weighted action to synthesizer feel
US6930234B2 (en) 2002-06-19 2005-08-16 Lanny Davis Adjustable keyboard apparatus and method
JP5169680B2 (ja) * 2008-09-25 2013-03-27 ヤマハ株式会社 鍵盤装置
JP5169681B2 (ja) * 2008-09-25 2013-03-27 ヤマハ株式会社 鍵盤装置
JP5228742B2 (ja) * 2008-09-25 2013-07-03 ヤマハ株式会社 鍵盤装置
JP2010078789A (ja) 2008-09-25 2010-04-08 Yamaha Corp 鍵盤装置
JP5552260B2 (ja) * 2009-05-07 2014-07-16 株式会社河合楽器製作所 電子鍵盤楽器の鍵盤装置
JP5966685B2 (ja) * 2012-07-02 2016-08-10 ヤマハ株式会社 電子楽器の鍵盤装置
JP6340184B2 (ja) * 2013-10-31 2018-06-06 株式会社河合楽器製作所 鍵盤楽器のハンマー装置
WO2017164296A1 (ja) * 2016-03-25 2017-09-28 ヤマハ株式会社 鍵盤装置
JP6930258B2 (ja) * 2017-07-12 2021-09-01 カシオ計算機株式会社 鍵盤装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE252696C (ja) *
DE51412C (de) * G. LYON in Paris, Rue de Bondy 48 Pianoforte-Mechanik mit Schnellauslösung
DE44061C (de) * J. REISER in Berlin, Simeonstr. 24 Mechanik für Flügel und tafelförmige Klaviere
US4217803A (en) * 1979-01-02 1980-08-19 Arp Instruments, Inc. Piano-action keyboard
JPH0326554Y2 (ja) * 1985-01-22 1991-06-07
DE3601892A1 (de) * 1986-01-23 1987-07-30 Reinhard Franz Tastatur fuer ein tasteninstrument mit klavieranschlag-dynamik
DD252696A1 (de) * 1986-09-08 1987-12-23 Ulrich Hermann Einrichtung zur anschlagsabhaengigen ansteuerung elektronischer klangerzeuger
US4901614A (en) * 1986-10-06 1990-02-20 Yamaha Corporation Keyboard apparatus of electronic musical instrument
DE3641813C1 (de) * 1986-12-06 1988-04-14 Reinhard Franz Tastatur fuer eine elektronische Orgel

Also Published As

Publication number Publication date
DE59010816D1 (de) 1998-04-30
KR900013450A (ko) 1990-09-05
EP0384120A3 (de) 1992-05-20
ATE164467T1 (de) 1998-04-15
DE3905646C1 (ja) 1990-08-02
ES2116968T3 (es) 1998-08-01
EP0384120A2 (de) 1990-08-29
US4993305A (en) 1991-02-19
DK0384120T3 (da) 1998-12-21
KR940003152B1 (ko) 1994-04-15

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