247results about "Stringed musical instruments" patented technology

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.

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.

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 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.

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.

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).

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.

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 utility model provides a novel piano resonance board, including the resonance board of many groups who installs in the piano back frame, the inside fixed mounting of rib wood has on the piano back frame, the inside fixed mounting of many groups back column has in the piano back frame, many groups resonance board is installed respectively on the one side of many groups back column near rib wood, be equipped with the resonance cavity between resonance board and rib wood. The utility model discloses through the cooperation of piano back frame and back column, can realize the stable installation of resonance board in the piano back frame, through the cooperation of resonance board and rib wood, can form resonance cavity between resonance board and rib wood, through the cooperation of back frame and resonance cavity, can make the sound of the vibration of the string in the cavity get full resonance and reflection, make the tone of piano more full, round and rich in gradation, can make the piano produce loud enough sound in the larger space without the help of electronic sound amplification equipment, satisfy the performance demand of performer in different occasions.

The utility model relates to the technical field of musical instruments, in particular to a piano function enhancing device. The utility model provides a piano function enhancing device. The piano function enhancing device comprises a power amplifier and a vibration excitation assembly, the power amplifier is electrically connected with the vibration excitation assembly; the vibration excitation assembly comprises a vibration exciter, a conduction base and a fixing piece, the vibration exciter is fixedly connected with the conduction base, the fixing piece is used for detachably and fixedly connecting the conduction base with a wall bar of the piano, the conduction base is further provided with an abutting face used for abutting against a soundboard of the piano, and the conduction base is fixedly connected with the wall bar of the piano through the abutting face. The abutting surface is used for transmitting vibration of the vibration exciter to a soundboard of the piano. According to the technical scheme, the electronic audio signals are converted into mechanical vibration energy through cooperative work of the power amplifier and the vibration excitation assembly, the function of the piano is enhanced, the piano has the function of a sound box, and the piano can interact with electronic equipment and play the electronic audio signals in the electronic equipment.

A file (1) for producing an uneven contour, in particular with a transverse curvature on a workpiece (11), comprises a longitudinal axis (3), at least one file element (5, 6) with an abrasive machining surface (8) and a depth stop element (7) with a non-abrasive sliding surface (9), wherein the at least one file element (5, 6) and the depth stop element (7) are arranged next to each other in a plane oriented perpendicular to the longitudinal axis (3).

A device for relieving the right shoulder muscles of a right-handed player when playing a stringed instrument, while simultaneously utilizing the resulting free fall force of the right arm to stabilize the instrument. The device consists of a body support that connects the upper bout of the instrument to the player's torso and an armrest that attaches to the rib of the upward-facing lower bout of the instrument, allowing the right upper arm to rest comfortably. When playing a stringed instrument, the right arm must be constantly held in a forward-raised and laterally abducted position due to the instrument's size, using muscle strength to prevent its weight from altering the instrument's playing position. The armrest allows the upper arm to rest comfortably, thus completely relieving the right shoulder muscles. The body support prevents the upper bow of the instrument from being levered forward and upward when the right arm, with its falling force, acts backward and downward on the lower bow. The device causes the force of fall released by the relaxation of the right shoulder muscles to clamp and fix the instrument between the arm, the leg on which it stands, the body support and the contact point between the base of the instrument and the upper body of the player.

The utility model discloses an electronic carmba, which comprises a body, a playing assembly and a pickup assembly, the playing assembly and the pickup assembly are fixed on the body, and the body comprises a first holding part and a second holding part which are symmetrically arranged; the connecting part is arranged between the first holding part and the second holding part and is used for connecting the first holding part and the second holding part, and the playing assembly and the pickup assembly are fixed on the connecting part. The first holding part, the second holding part and the connecting part are combined to form the body in the shape of a game handle. According to the utility model, the first holding part, the second holding part and the connecting part form the gamepad-shaped body, so that the gamepad can be conveniently held and used by a user with two hands, the requirements of human engineering are met, the playing difficulty is reduced, and further market promotion is facilitated.

The utility model discloses a height calibration device for an aluminum total gear of a vertical piano action. The height calibration device comprises a calibration platform, a first calibration block and a second calibration block, the calibration platform is provided with a calibration plane, the calibration plane is horizontally arranged, the bass support, the alto support and the high-pitch support are sequentially and vertically arranged on the calibration plane, the first calibration block and the second calibration block are arranged on the calibration plane, the first calibration block is located between the bass support and the alto support, and the second calibration block is located between the alto support and the high-pitch support. The aluminum total gear is placed on the upper side surfaces of the first calibration block and the second calibration block, and the thickness of the first calibration block is the same as that of the second calibration block and is the standard height of installation of the aluminum total gear. According to the utility model, the deviation of the string striking machine after being assembled on the piano due to the inconsistent height of the bracket relative to the aluminum main gear can be avoided, the assembly quality and efficiency are improved, the product quality is more stable, the adjustment difficulty is small, and the operation is convenient.

Unstable temperature and humidity, especially excessive dryness, can cause deterioration of the wood of a piano's soundboard, resulting in discordant sounds and noise, and the piano no longer performing its function. A compression coil spring is sandwiched between the support pillar of a grand piano and a sound bar fixed to the soundboard. Alternatively, an additional member of the same shape as the bridge is fitted onto the top of the support pillar as an auxiliary support, and a compression coil spring is sandwiched between the additional member and the sound bar.

The utility model discloses a piano tuning device, which comprises a shell and a sound pick-up, and can accurately identify the deviation between the current intonation state of the piano and the preset standard intonation by using the sound pick-up to capture sound signals sent by the piano and accurately analyzing the sound signals through a controller. Therefore, a user can control the motor conveniently, it is ensured that each string can reach the ideal vibration frequency, and then the tuning efficiency of the piano is improved. A user can flexibly select a proper adjusting head according to the size and the shape of a piano tuning peg nail, a proper adjusting assembly is easily rotated by sliding a T-shaped sliding block on a shell cover, in addition, the tedious process of traditional manual tuning is simplified through a motor-driven adjusting mode, and the operation difficulty is reduced; and through the design of the anti-falling unit, the phenomena of thread falling and slipping between the adjusting head and the threaded rod on the connecting seat in the adjusting process are effectively avoided, and the stability and the reliability in the adjusting process are ensured.

The invention discloses a piano music score continuous playing device which comprises a music score page turning mechanism, a music score protection sleeve and a base box. A music score bag is arranged in the middle of the music score protection sleeve, and square holes are formed in the two sides of the music score protection sleeve and meshed with square flat teeth arranged on a flat tooth stirring wheel of the music score page turning mechanism. A music score is placed in the music score bag, the motor drives the belt pulley to drive the stirring wheel to rotate, the music score protection sleeve is driven to continuously move on the supporting plate, and the music score is accurately and continuously played without slipping. The base box is provided with the music score storage box and the music score storage box with the guide wheels / corner plates, and guide clamping groove structures arranged on the two sides of the supporting plate are combined, so that the problem that the music score may wrinkle during playing and storage is solved, the music score box is suitable for different music score materials, and playing fluency is guaranteed.

The utility model discloses an anti-deformation wooden guitar. The anti-deformation wooden guitar comprises a guitar body and a panel, a panel is arranged on the surface of the guitar body, a sound hole is formed in the panel, a dustproof structure is arranged at the top end of the sound hole, a guitar neck is arranged at the top end of the guitar body, a guitar head is arranged at the top end of the guitar neck, and an anti-bending structure is arranged at the rear end of the guitar neck; the anti-bending structure comprises a supporting plate, an adjusting bolt, an adjusting plate, a connecting seat, a supporting block, a fixing seat, a fixing block, a handle, a screw rod and a screw sleeve, the supporting plate is fixed to the rear end of the guitar neck, the fixing block is fixed to the top end of the guitar body, and the bottom end of the supporting plate is fixed to the bottom end of the fixing block. According to the utility model, the rear end of the guitar neck can be supported by using the supporting plate, and the supporting plate can be supported by using the supporting block, so that the rear end of the guitar neck can be subjected to anti-bending treatment, the guitar neck cannot be bent backwards when the guitar neck is in a dry environment, and the anti-bending work is completed.

The invention discloses a piano tuning auxiliary positioning system, belongs to the technical field of musical instrument tuning, and aims to solve the problem of positioning deviation caused by neglecting string tension dynamic evolution and environmental disturbance in the prior art. The system comprises a tuning peg state sensing module, a string tension evolution monitoring module, a central cooperative controller, a man-machine interaction guide module and an audio feedback verification module. Through fusion of triple information of tuning peg angular displacement, tension steady state discrimination and acoustic frequency feedback, staged accurate guidance and dynamic decision are realized. The system rapidly approaches the target in the coarse tuning stage, premature termination is avoided in the fine tuning stage according to the tension steady state, the tuning accuracy is ensured through audio closed-loop verification, and the tuning precision, efficiency and robustness are remarkably improved.

The utility model provides a guqin tailpiece with an adjustable function, and relates to the technical field of musical instruments, the guqin tailpiece comprises a guqin board, a tailpiece is fixed on the top of the guqin board close to the edge of one side, a plurality of end posts are fixed on the top of the guqin board close to the edge of the other side at equal intervals, a plurality of strings are arranged above the top of the guqin board, and the guqin board is fixed on the guqin board. One end of each of the plurality of strings is correspondingly wound and fixed on the end post, the other end of each of the plurality of strings is fixedly provided with a string connecting end, and the outer surface of each of the plurality of string connecting ends is provided with an annular opening. In the pulling process, under the guidance of the conical surface of the conical traction groove, the clamping hook parts at one ends of the spring clamping pieces are shrunk towards the middle and then clamped in the annular opening, and meanwhile, the hexagonal sliding plate slides towards the other side of the push block along with the hexagonal sliding plate, so that the string connecting end can be pulled, and the purpose of pulling and adjusting strings is achieved.

The present invention provides a modular ash storage system designed for integration into the body of an acoustic guitar, allowing for the secure and discreet storage of cremated remains. The system includes a cap assembly configured to fit into the sound hole of the guitar, featuring a flexible lip to ensure a snug and removable fit, and an interior threaded section for connecting to an ash container. An attachment component is affixed to the interior surface of the guitar body and includes a mounting point to which the ash container is securely attached. The ash container is lightweight and suspended within the interior of the guitar to prevent interference with the instrument's acoustic properties. The modular design allows for easy installation and removal without requiring permanent modifications to the guitar, offering a meaningful and discreet method of memorialization while preserving the instrument's aesthetic and functional integrity.

To provide a stringed instrument capable of correctly outputting a detection signal in response to movement of a saddle while eliminating need for formation of a buckling to the saddle and groove and adhesion of a piezoelectric element.SOLUTION: A stringed instrument comprises: an instrument body 2; strings; a saddle 5 inserted into a groove 9 formed in the instrument body 2 to support the strings; and a pickup 6 including a piezoelectric element 20 that has a porous layer expandable and deformable in the thickness direction and outputs a detection signal in response to expansion and contraction of the porous layer. The piezoelectric element 20 is disposed between a first inner side 9a of the groove 9 and a first side 5a of the saddle 5. Width W9 of the groove 9 from the first inner side 9a of the groove 9 to a second inner side 9b is greater than width W5 of the saddle 5 in an arrangement direction of the first inner side 9a and the second inner side 9b. Thickness T20 of the piezoelectric element 20 without load in the direction of the arrangement is greater than or equal to difference between the width W9 of the groove 9 and the width W5 of the saddle 5.SELECTED DRAWING: Figure 4

To bring operational feeling of a pedal of an acoustic piano closer to operational feeling of a pedal of a pedal unit.SOLUTION: A musical instrument pedal unit includes: a case; a first foot lever which is rotatably arranged relative to the case and extends in a first direction perpendicular to a rotation axis; a spring which is arranged in a compressed state between the case and the first fool lever and expands and contracts as the first foot lever rotates; a first support member for supporting a first end of the spring; and a second support member for supporting a second end of the spring. When the first foot lever moves in a direction in which the spring contracts from a state in which the spring extends the most in a rotational range of the first foot lever, a first angle becomes smaller.SELECTED DRAWING: Figure 3

To provide a key of a keyboard device in which fitting positions of wooden boards can easily be adjusted, a gap between a key body and the wooden boards is not generated and an appearance due to squeeze-out of an adhesive is not damaged.SOLUTION: A key of a keyboard device includes: a key body 2 which extends in a cross direction by a prescribed length and has an upper surface part 4 and side face parts 5; and wooden boards 3 which are fitted along a part of the side face parts 5. Upper projections 6 which extend along ends, are continuously formed with the upper surface part 4 and project laterally than the side face parts 5 are formed at ends of the side face parts 5 side of the upper surface part 4. Lower support projections 7 which project laterally and are confronted with the upper projections 6 are formed near lower ends of the side face parts 5. Upper faces of the lower support projections 7 become inclined faces S inclining downward toward a tip side. The wooden boards 3 are provided so that upper end faces abut on lower faces of the upper projections 6 and are held between the upper projections 6 and the lower support projections 7.SELECTED DRAWING: Figure 3

A weight and method for installing the same in a piano key or damper, the method including: providing a weight formed from material including a metal having a density greater than 12 grams per cubic centimeter; inserting the weight into the piano key or damper. The material including at least a metal sufficiently strong to form a thread on a surface thereof; and wherein the weight has a thread formed on the surface. The material is resistant to corrosion at least at ambient temperatures The weight being a cylindrical member made of lead; and at least one outer layer of an inert metal material or a corrosion-resistant metal material covering the cylindrical member.

The invention relates to a file (1) for creating a non-planar contour, in particular with transverse curvature, on a workpiece (11), comprising a longitudinal axis (3), at least one file element (5, 6) with an abrasive processing surface (8) and a depth stop element (7) with a non-abrasive sliding surface (9), wherein the at least one file element (5, 6) and the depth stop element (7) are arranged adjacent to one another in a plane oriented perpendicular to the longitudinal axis (3).