451results about "Stringed musical instruments" patented technology

The invention relates to the technical field of music teaching, and discloses a piano pedal motion range indicating device for music teaching, which comprises a placing plate and an indicating structure arranged on the placing plate, and is characterized in that a sucker is mounted at the bottom of the placing plate; the indicating structure comprises an indicating frame, a soft pedal display screen, a noise reduction pedal display screen and a tenuto pedal display screen are sequentially arranged on the front face of the indicating frame from left to right, a reminding piece for reminding pedal switching is further arranged on the indicating frame, and a first indicating piece for displaying actions of the soft pedal is arranged on the soft pedal display screen. Through the arrangement of the indication structure, the action and amplitude of the piano pedal can be displayed, so that accurate reminding of the action of the piano pedal is realized, a practicer can conveniently and accurately control the action amplitude of the piano pedal, teaching display of the piano is further facilitated, the teaching effect of the piano can be improved, and rapid learning of the piano is facilitated.

The present application relates to the technical field of piano, in particular to a piano pedal system, comprising an external unit and an additional unit; the external unit comprises: an external pedal module comprising at least one external pedal; a data acquisition module for acquiring the pedal data of the external pedal; a height adjustment module comprising a driving mechanism and two supporting mechanisms, the driving mechanism comprising a driving motor, a driving gear fixedly connected with the output shaft of the driving motor and two driving racks, the two driving racks being oppositely engaged on both sides of the driving gear, the supporting mechanisms being one-to-one arranged with the driving racks, the supporting mechanisms being connected between the driving racks and the external pedal module, the driving racks driving the supporting mechanisms to stretch or retract to realize the height adjustment of the external pedal module; the additional unit is used for stepping on the corresponding piano pedal according to the pedal data. The present application can be applied to different types and models of pianos and improve the accuracy and convenience of the height adjustment of the pedal.

To provide a keyboard device for a keyboard musical instrument capable of compactly configuring the keyboard device itself, easily performing the mounting and replacement work of a let-off member, and further increasing the degree of freedom in setting the start timing and the continuation time of let-off.SOLUTION: Disclosed is a keyboard device for a keyboard musical instrument having a let-off function which includes: a keyboard chassis having a plurality of partition walls; a plurality of keys; and a plurality of hammers rotating in conjunction with the key depression. In one of two partition walls 14, 14 adjacent to each other and a hammer 31 arranged therebetween, a let-off member 51 is mounted, and in the other of two partition walls 14, 14 adjacent to each other and the hammer 31 arranged therebetween, an engaging part 39 is provided, which is for imparting let-off feeling to the touch feeling of the depressed key 2 by being temporarily engaged with the let-off member 51 during the rotation of the hammer 31 accompanying the key depression.SELECTED DRAWING: Figure 8

A piano includes a first key on an upper side rotatably supported at a rear end by a balance pin via a balance pin hole, and pressed by a player, a second key on a lower side rotatably supported at a central portion, the second key a front end of which the first key abuts, an action that is arranged below the second key and includes a whippen that is rotated upward to drive a hammer to perform string striking, a wire material that lifts the whippen in response to press of the first key, and a keystop rail that comes into contact with a pin rear portion of the first key from above and prevents lift of the first key in the vicinity of the balance pin hole to such an extent that the first key does not pry when the first key is pressed.

The invention relates to the technical field of piano pedal control, in particular to a pedal control method and system, the method is applied to a pedal system, the pedal system comprises an external unit and an additional unit, the external unit comprises an external pedal module, and the additional unit comprises a pedal driving module. The treading driving module is used for treading corresponding piano pedals according to the treading data; the external unit comprises a first external unit; correspondingly, the method comprises the following steps: acquiring a first external data source through a first external unit; generating a first analog signal according to the first external data source by adopting a first screening rule; the method comprises the steps that whether a pedal value is larger than a preset first treading threshold value or not is judged; if yes, identifying the pedal value as a to-be-simulated data source; generating a first analog signal according to the to-be-simulated data source; the first analog signal is transmitted to a treading driving module, and the treading driving module responds to the first analog signal to drive a piano pedal. According to the invention, the efficiency of practicing the pedaling technology by the user can be greatly improved.

A string tensioner for a musical instrument is configured to support an elongated spring beam at a first end so that the spring beam extends proximally from the first end. A second end of the spring beam can be configured to attach to a musical string that is drawn distally from the second end of the spring beam over a saddle and nut. Tension applied to the musical string bends the spring beam, and thus maintains tension in the musical string. A lever arm distance is defined between the first end of the spring beam and the string. As the musical string changes length over an operating range, the degree of bending of the spring beam changes and the lever arm distance also changes so that the tension in the musical string remains substantially the same.

The invention discloses a soft reset type electric piano counterweight keyboard, and relates to the technical field of piano equipment. A key assembly is arranged at the top of the piano shell; a hinge frame is fixedly installed at the bottom in the piano shell through bolts, soft and feedback playing hand feeling is achieved through precise mechanical linkage, meanwhile, the position of an inductance piece is changed by sliding and extruding a clamping bead through a balance weight, and high-precision and high-reliability pressing force detection is achieved in combination with optical sensing auxiliary monitoring. The force signal is converted into keyboard'post-touch layer 'control, and a single-key or global tenuto mode is intelligently distributed; in addition, the key contact state is accurately captured through photoelectric induction, space capture is carried out on hand actions in combination with an infrared camera and a sensing radar, and real-time tactile feedback is provided through electromagnetic driving.

Systems and methods described herein relate to a string measurement system including a gauge body including a string opening configured to receive a string of an instrument. An electronic gauge is coupled to the gauge body, and is configured to: engage the string disposed in the string opening to measure a width of the string, and generate a first signal indicative of the width. The system may include a display configured to generate a display a width of the string. The electronic gauge may include a pair of calipers that are configured to engage the string of the instrument for determining a width of the string.

A plectrum for a musical instrument with strings has four (4) protuberances that extend outwardly from a center body. The protuberances are asymmetric relative to both the central longitudinal axis and the central lateral axis and have different sizes along with variations in their shapes. Each protuberance has a rounded tip with a single convex sidewall section. On either side of the rounded tip, each protuberance has straight sidewall sections. Concave sidewall sections extend between the straight sidewall sections in adjacent pairs of protuberances.

The utility model relates to the technical field of electronic guitars, in particular to an electronic guitar neck and an electronic guit.The electronic guitar neck comprises a rotating part and an installation part, one end of the installation part is used for being connected with a guitar body, a plurality of keys are arranged on the upper surface of the rotating part, a soft rubber fingerboard is arranged on the lower surface of the rotating part, and the rotating part is rotationally arranged at one end of the installation part; and the upward surface of the rotating part can be replaced by rotating the rotating part. The upper surface and the lower surface of the guitar neck are respectively provided with the soft rubber fingerboard and the plurality of keys, so that one guitar neck can be provided with two kinds of buttons, the guitar neck can be better suitable for various scenes, and the guitar neck can be replaced and used back and forth through rotation, thereby being very convenient to operate.

An adjustable neck joint for a stringed instrument includes a neck with a heel portion formed as a first half of a rotating joint and a body with a neck block formed as a second half of the rotating joint. The first half of the rotating joint and the second half of the rotating joint may each be configured to connect with the other and movably interface with each other such that the neck is rotatable with respect to the body about an axis located immediately adjacent to and above a position along the neck.

The utility model discloses a piano cover capable of flexibly rotating and positioning for a new energy electronic piano, which relates to the technical field of electronic musical instruments and comprises a piano body and a flip cover, and rotating mechanisms are fixedly connected to positions, close to the rear side, of the left and right sides of the piano body and positions, close to the front side, of the left and right sides of the flip cover. The outer side of the rotating mechanism is fixedly connected with first connecting rods, the two first connecting rods are symmetrically distributed left and right, the position, close to the front side, of the lower surface of the turning cover is rotationally connected with a turning plate, and the positions, close to the left side and the right side, of the inner side of the turning plate are fixedly connected with turning mechanisms. According to the piano cover for the new energy electronic piano capable of being flexibly rotated and positioned, the turning plate is turned down and fixed through the turning mechanism, and the turning cover is rotated into a step shape by virtue of the first connecting rod, so that the turning cover can be used as a placement rack for articles such as a music score, and the piano cover is more diversified in function, convenient to operate and integrated with more functions; and the problem that the overall size is increased due to dispersion of functional parts is avoided.

A peg hook includes a mount and a rod extending from the mount. A tip is pivotally mounted to a distal end of the rod, the tip having a generally straight end and an arcuate body, wherein the tip and the rod each include a flat portion that are pinned to each other to permit the tip to rotate between an extended position and a retracted position.

Systems and processors associated with an electronic keyboard are described. An example system includes an electronic keyboard with a threshold number of keys extending across a first width; and a display positioned above the electronic keyboard, the display extending at least as wide as the first width. The display provides real-time visual prompts aligned with each key, including the partially covered edge keys, and hosts an Al-driven user interface. A camera may capture a player's posture, hand position, gaze, and facial expressions. Transformer-based models may process inputs to generate adaptive feedback, emotion-aware coaching, and / or gamified scoring. Haptic key actuators, synchronized LEDs, and audio cues reinforce the feedback, while on-device encrypted inference and differential-privacy may filter and secure all biometric data.

The utility model relates to the technical field of electronic guitars, in particular to a dual-purpose guitar neck and an electronic guitar, which comprise a main body, the upper surface of the main body is provided with a key area and a pressing area, the pressing area is positioned on one side of the key area, the key area is provided with a plurality of keys I, the keys I are used for playing chords, the pressing area is provided with a flexible glue fingerboard, and the flexible glue fingerboard is used for playing the chords. And the soft rubber finger plate consists of a plurality of grids. Therefore, the key area and the pressing area are arranged on the upper surface of the guitar neck, namely, the flexible rubber fingerboard and the plurality of keys I are arranged, so that one guitar neck can be provided with two kinds of buttons, and the guitar neck can be better suitable for various scenes.

A plectrum grip for guitar players, having a body with a cavity that creates a space between a plectrum and the grip. The device aims to provide a better grip and produce a brighter and more consistent sound than plucking with a standard plectrum. The grip may also include a gripping material to prevent slipping and may taper in width from the grip first end to the grip second end. The cavity fully encapsulates at least half of the plectrum, and the inner surface may be lined with an adhesive to prevent the plectrum from dislodging.

A keyboard instrument having a key and a link mechanism provided on a lower side of the key, and the link mechanism has a first member having a first fixing fulcrum, a first link pivotally supported on the first fixing fulcrum on one end side, a second member having a second fixing fulcrum provided further forwards and further downwards than the first fixing fulcrum, a second link pivotally supported on the second fixing fulcrum on one end side and a coupling link configured such that a distance between the other end side of the first link rotating about the first fixing fulcrum in response to a key operation and the other end side of the second link rotating about the second fixing fulcrum in response to the key operation is fixed and remains unchanged, and the second link has a counterweight provided further forwards than the second fixing fulcrum.

The present invention provides a keyboard mechanism for a keyboard instrument that ensures proper operation of the action unit even if the action unit holder is misaligned in the front-to-back direction during manufacturing, thereby providing a good touch feel and appropriate timing for sound production when pressing keys. [Solution] The keyboard device 1 comprises a swingable key 2, an action unit 6 that performs a predetermined operation in conjunction with pressing the key, a hammer support 4 positioned behind the key, and a hammer 5 that is rotatably supported by the hammer support and mounted on the action unit. The action unit comprises a holder 51 fixed to the rear end of the key, and a repetition lever 52 and a jack 53 that are rotatably attached to the holder 51. The jack stopper 36 of the hammer support is inclined downwards and has a contact surface 36a that the rear end of the jack 53 contacts from below when the key is pressed.

The utility model provides a plucked string instrument panel sound hole slotting mechanism, which comprises a base, a processing table, a panel processing cover, a control panel and a servo motor, the processing table is welded at the top end of the base, the top end of the processing table is connected with the panel processing cover through a bolt, and the side part of the panel processing cover is connected with the servo motor through a bracket. A belt driving box is installed at the output end of the servo motor, a bearing connecting seat is installed at the position of an output shaft of the belt driving box, a rotary cutter shaft is installed at the bottom end of the bearing connecting seat, and a grooving cutter head is installed at the bottom end of the rotary cutter shaft. The feeding assembly comprises the first material side plate, the second material side plate, the adjusting cross beam, the feeding track strip and the material ejecting strip, the discharging assembly comprises the limiting air cylinder, the panel limiting edge strip, the lifting limiting edge strip and the discharging inclined plate, the good feeding and discharging effects are achieved, excessive manual participation in the feeding and discharging process is not needed, the labor intensity of workers is reduced, and the production efficiency is improved. And the production efficiency is ensured.

The utility model relates to the technical field of guqin manufacturing tools, in particular to a guqin groan string fixing device which comprises a mounting plate, a handle is correspondingly and fixedly mounted on the front side of a clamping disc mounting plate, seven mounting seats are sequentially arranged at the bottom of the clamping disc mounting plate from left to right, saw blades are fixedly mounted at the bottoms of the seven mounting seats respectively, and the saw blades are fixedly mounted on the clamping disc mounting plate. The seven-stringed plucked instrument string adjusting device has the advantages that according to the installation and use requirements of different seven-stringed plucked instrument strings, the positions of the seven installation bases and saw blades on the seven installation bases are accurately adjusted through the scale adjusting device, and clamping and fixing are conducted through the clamping and fixing assembly; the string fixing device is held by a hand through the handle, the infrared positioning lamp is turned on through the infrared lamp switch, and center line taking and positioning are carried out at the Guqin groan position; the string fixing device is pulled back and forth, seven string bearing grooves used for fixing and limiting strings are synchronously sawed through the seven saw blades, string fixing and grooving operation can be rapidly and accurately completed, operation is easy and convenient, and errors are not prone to being generated.

A fret press device may include a cascading, tiered structure having at least a first tier and a second tier, with the first tier having a plurality of lobed feet each pivotally coupled to a component of the second tier. The device may be configured to couple to an apparatus operable to apply mechanical force. A system may include the fret press device and the apparatus, with the apparatus further including means for applying a mechanical force to the fret press device for installing a fret in a fret slot of a fingerboard of a stringed instrument. A method for seating a fret with a bass side and a treble side in a fret slot on a fingerboard of a stringed instrument may include use of the fret press device and the apparatus.

To provide a guitar playing assistance system that enables even a beginner to play the guitar easily. [Solution] A guitar playing assistance system AS that assists in playing the guitar includes a plurality of colored stickers, each with a different color for each chord, that indicate on the fingerboard the position of the fingers that should press down on the strings for each chord, and a musical score display medium 400 that has a plurality of colored marks 310, 320, 330 arranged in the order of the chord progression, each having the color of the colored sticker that corresponds to the chord. With this guitar playing assistance system, the player can intuitively play the guitar by pressing down on the strings with their fingers in the order of the colored marks, at the positions of the colored stickers that match the colored marks.

Winding machine (1) for a musical string (2), with two rotatable clamping devices (4, 5) for clamping a string core (7) and for rotation about a clamping device rotation axis (6), comprising a feeding device (11) for feeding a first winding element (13) in a feeding direction (15) to the string core (7) during a winding process, further comprising a guide device (16) for section-wise guiding the string core (7), wherein the guide device (16) together with the feeding device (11) is movable parallel to the clamping device rotation axis (6), wherein the feeding device (11) and the guide device (16) are designed and interact such that during the winding process a winding point (17) is formed in the guide device (16) at which the winding element (13) begins to be wound around the string core (7), and at the winding point (17) the string core (7) - in the feed direction (15) considered - at the guide device (16),wherein the guide device (16) is tiltable - viewed in the plane formed by the feed direction (15) and the clamping device rotation axis (6).

A case (200) of a keyboard instrument (10) includes a lower case (220) formed from a resin material which is a first material and extended long in a left-right direction LR which is a first direction, plural reinforcement members (a first reinforcement member (310), a second reinforcement member (320)) fixed to the lower case(220), made from a sheet of steel which is a second material whose linear expansion coefficient is smaller than a linear expansion coefficient of the first material, and disposed to be divided in the left-right direction(LR), a front case (250) formed in such a manner as to extend long in the first direction and fixed to each of the plural reinforcement members (300), and side cases (a left side case(230), a right side case(240)) disposed adjacent to the front case(250) and fixed to ends of the reinforcement members(300).

The invention discloses a string tension automatic balancing method, and aims to solve the problems of multi-string stress coupling interference, temperature and humidity compensation failure and the like. The method is characterized by comprising the following steps: establishing a mechanical reference mapping system and pre-embedding a sensing network; performing initial decoupling of static tension and frequency to eliminate physical deviation; constructing a multi-chord stress coupling matrix to define an interference coefficient; executing environment factor dynamic compensation calculation; and inputting the intonation deviation value into the coupling matrix based on global optimization logic, calculating a displacement compensation vector and synchronously driving an execution mechanism. According to the technical scheme, the intonation accuracy can be ensured, meanwhile, the overall mechanical state of the musical instrument is optimized, the hidden danger of internal stress of the structure is eliminated, and the service life of the musical instrument is remarkably prolonged.

The utility model relates to the technical field of key strength calibration, in particular to an automatic key strength calibration machine, which comprises a workbench, a limiting device for limiting and placing an electronic organ to be subjected to strength calibration, an X-axis and Y-axis running mechanism with running tracks in the X-axis direction and the Y-axis direction, a small counterweight assembly and a large counterweight assembly, the small counterweight assembly and the large counterweight assembly are arranged on the output end of the XY-axis running mechanism side by side in the Y-axis direction, and each of the small counterweight assembly and the large counterweight assembly comprises a counterweight block slidably connected to the output end of the XY-axis running mechanism in the Z-axis direction and a counterweight power mechanism used for driving the counterweight block to slide; according to the utility model, a manual mode can be replaced to sequentially and automatically place the lighter weights and the heavier weights on each key for force calibration, so that a large amount of workload of operators can be reduced, the time required by key force calibration can be shortened, and the efficiency can be improved.

An injection molded wippen or repetition flange bushing for a grand piano action where the bushing has four supports posts or elongated appendages projecting outward from the outer surface of the sleeve member of the injection molded wippen or repetition flange bushing. The four supports posts help reduce or eliminate shrinkage of the sleeve member during the cooling stage in the manufacturing of the injection molded wippen or repetition flange bushing. This occurs because shrinkage occurs in the four support posts and not in the sleeve member portion of the injection molded wippen or repetition flange bushing. The result is a perfectly straight bushing with an extremely precise and accurate bushing surface that produces perfect wippen or repetition rotation.

The invention discloses a visual piano teaching aid and a control system thereof, and belongs to the technical field of pianos. The visual piano teaching aid comprises a piano body, the piano body comprises a transparent soundboard cover plate, a transparent soundboard, a transparent keyboard cover plate and a transparent music stand plate; the transparent soundboard cover plate, the transparent soundboard, the transparent keyboard cover plate and the transparent music stand plate are all made of optical-grade materials with the light transmittance larger than or equal to 60% and used for replacing non-transparent parts corresponding to the piano, and therefore the internal mechanical structure of the piano is visualized. According to the system, the complete visualization of the internal mechanical structure of the piano is realized through the high-transparency component with the light transmittance being greater than or equal to 60%, and unprecedented visual experience is brought to piano teaching. A learner can clearly observe a hammer string striking process corresponding to each key, a precise linkage mechanism of a string striking machine and a vibration transmission path of a soundboard, and the visual teaching mode can help the learner to deeply understand a sounding principle and key touch skills of a piano.

A case of a keyboard instrument includes a lower case formed from a resin material which is a first material and extended long in a left-right direction which is a first direction, plural reinforcement members (a first reinforcement member, a second reinforcement member) fixed to the lower case, made from a sheet of steel which is a second material whose linear expansion coefficient is smaller than a linear expansion coefficient of the first material, and disposed to be divided in the left-right direction, a front case formed in such a manner as to extend long in the first direction and fixed to each of the plural reinforcement members, and side cases (a left side case, a right side case) disposed adjacent to the front case and fixed to ends of the reinforcement members.