955results 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.

A keyboard instrument has a first member having a first fixation fulcrum, a first link rotatably fixed to the first fixation fulcrum at one end side thereof, a second member having a second fixation fulcrum provided further forwards and downwards than the first fixation fulcrum, a second link rotatably fixed to the second fixation fulcrum at one end side thereof, and a coupling link fixed to a key so as to couple the other end side of the first link and the other end side of the second link together.

A foot pedal support assembly is provided for musical instrument stands such as keyboard stands. The foot pedal support assembly connects to the musical instrument stand and provides mounting for a foot pedal such as a musical instrument effects pedal, sustain pedal, or the like. The foot pedal support assembly is adjustable to accommodate different musical instrument stands with different dimensions and may be securely clamped to the musical instrument stand and unclamped from the musical instrument stand with integrated clamps that accommodate different sizes of musical instrument stands.

An information processing system includes an information acquirer configured to acquire input information including finger information relating to a finger of a user playing a string instrument and an image of a fretboard of the string instrument and sound information of sound of the string instrument played by the user, and an information generator configured to generate fingering information indicative of fingering by processing the acquired input information using a generation model that learns a relationship between training input information and training fingering information.

The invention relates to the technical field of electronic guitars, in particular to a multifunctional electronic guitar which comprises a guitar body and a guitar neck, the guitar neck is arranged on the guitar body, and a fourth circuit board and a loudspeaker are arranged in the guitar body. The guitar neck comprises a rotating part and a mounting part, the mounting part is arranged on the guitar body, a plurality of keys I are arranged on the upper surface of the rotating part, a soft rubber fingerboard is arranged on the lower surface of the rotating part, the rotating part is rotationally arranged at one end of the mounting 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 I, so that one guitar neck can be provided with two kinds of buttons, the guitar neck can be better suitable for various scenes, the guitar neck can be replaced and used back and forth through rotation, and the guitar neck is very convenient to operate.

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 keyboard device for a keyboard instrument includes a plurality of key support mechanisms each provided in a state engaged with a keyboard chassis and supporting an associated key from below, for causing, upon key depression, the depressed key to operate such that the key pivotally moves about a virtual pivot located rearward of a rear end of the key. Each key support mechanism includes first and second arms each extending a predetermined length in a front-rear direction and configured to be swingable. The first and second arms are pivotally and slidably connected to each other. A rear-side connecting portion of the key includes a connecting body portion and a pair of engagement protrusions, and a rear-side connecting portion of the second arm includes two connecting arm portions having a bifurcated shape and formed with connecting holes.

The present invention is a multi-pick guitar pick for a guitarist, including a plurality of interlocking picks, each interlocking pick including a top side, a bottom side, a front end terminating at a guitar picking point, and a rear end terminating in a lower plate and an upper plate, the lower plate and the upper plate each having apertures therethrough, each interlocking pick configured for interlocking with at least one other adjacent interlocking pick, such that the upper plate overlaps the lower plate of the adjacent pick and the aperture of the upper plate aligns with the aperture of the lower plate of the adjacent pick. Embodiments may also include a mechanical fastener fixable through each of the aligned apertures of adjacent picks to secure the adjacent picks together.

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.

A file for creating a non-planar contour, in particular with a transverse curvature on a workpiece, including a longitudinal axis, at least one file element with an abrasive machining surface and a depth-stop element with a non-abrasive sliding surface, wherein the at least one file element and the depth-stop element are arranged next to one another in a plane orientated perpendicular to the longitudinal axis.

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 key depression amount sensor device (100) that is installed below keys of a piano, which keys are aligned along a longitudinal axis, and that detects a depression amount of each of the keys, the key depression amount sensor device including: an electronic circuit board (112) including a plurality of optical sensors that respectively detects the depression amounts of the keys by reflection of light; a housing (110) that extends along the longitudinal axis and houses the electronic circuit board; a clamp mechanism (130) that sandwiches an action beam (300), which is positioned below the keys, in a longitudinal axis direction; and a connection mechanism (120) that connects the clamp mechanism and the housing.

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.

An electronic instrument includes a casing, at least one performance element on the casing, a sound emitting unit inside the casing, and a cover unit configured to be accommodated between the performance element and the sound emitting unit inside the casing by being pushed into and pulled out of the casing and to cover the performance element with the cover unit pulled out of the casing, and an interior of the casing is divided by the cover unit into a first space where the performance element is disposed and a second space where the sound emitting unit is disposed with the cover unit accommodated inside the casing, and a recess is provided on a plate surface lying near the cover unit inside the casing in such a manner as to straddle the first space and the second space.

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 invention discloses a piano pedal with a height adjusting function, which comprises a box body, the piano pedal is rotatably mounted on one side of the box body, and a mounting groove is formed in the piano pedal; the fixing cylinder is arranged on the inner side of the mounting groove, one end of the fixing cylinder is provided with a connecting shaft which is in running fit with the mounting groove, and one end of the connecting shaft penetrates through one side wall of the piano pedal and is fixedly connected with a first worm gear; when the height of the piano pedal needs to be adjusted, the height of the adjusting plate can be driven to change by exposing the fixed cylinder and prolonging the telescopic distance of the telescopic rod, so that the bottom of a foot can be in direct contact with the adjusting plate, and normal treading operation of the piano pedal is realized; meanwhile, the angle of the fixing cylinder and the angle of the adjusting plate can be adjusted, the adjusting plate can be better attached to the bottom of the foot of the human body, in addition, in the process that the piano pedal is treaded, dust on the piano pedal can be cleaned, and the tidiness and attractiveness of the piano pedal are kept.

The invention discloses a thumb piano with double-layer keys that can be independently installed and adjusted. An independent supporting mechanism and a fixing mechanism are used, so that each key can be independently installed and adjusted. Only one specification of keys can be used, or keys of multiple specifications can be used, so that the manufacture, installation and replacement of keys are more convenient. Various scale arrangements can achieve alignment of the key playing ends, so that the hand feel is more comfortable. When noise or mute occurs, the tension of the keys can be adjusted to solve the problem.

The utility model provides a folding rotating shaft structure which comprises a rotating shaft and two rotating connecting pins connected with the rotating shaft in a rotating mode, the cross section of the rotating shaft is shaped like a Chinese character'hui ', two connecting holes are formed in the middle of the rotating shaft in a spaced mode, and one rotating connecting pin is arranged in each connecting hole. And the two ends of the rotary connecting pin extend out of the connecting holes. According to the folding rotating shaft structure, the two piano bodies to be folded are connected through the rotating connecting pins, the rotating shaft cannot protrude and can be completely contained in the piano bodies by arranging the two rotating connecting pins, the bottoms of the piano bodies are flat after the piano bodies are opened, and the piano can be flatly placed on a table top without adding foot pads.

The utility model discloses a special high-precision clamping force adjusting structure for a capo, which comprises a front clamping arm, a rear clamping arm, a pressing arm, a pull rod and a spring, the pressing arm is used for pressing the front clamping arm and the rear clamping arm, the pull rod and the spring are matched with the pressing arm, an adjusting inner sleeve is arranged at the top of the front clamping arm, and an adjusting limiting sleeve matched with the adjusting inner sleeve is arranged at the top of the rear clamping arm. The pull rod is a threaded adjusting pull rod, one end of the threaded adjusting pull rod is connected to the pressing arm, the spring is arranged on the threaded adjusting pull rod in a sleeving mode, the other end of the threaded adjusting pull rod penetrates through the adjusting inner sleeve and the top of the front clamping arm and then is connected with an adjusting knob, and adjusting scales are arranged on the adjusting inner sleeve. Adjusting indication marks matched with the adjusting scales are arranged on the outer side of the adjusting knob. According to the utility model, the adjusting scales are designed on the adjusting inner sleeve, and the adjusting indication marks matched with the adjusting scales are designed on the adjusting knob, so that the scale at the optimal intonation position can be adjusted only through one-time sound testing, the scale is only required to be adjusted to the specified scale and then clamped in each time of use, the adjustment is very convenient, and the precision is high.

A plectrum for plucking or strumming a stringed instrument may include a grip portion defining a grip plane, a first tine extending from the grip portion at an oblique angle relative to the grip plane and defining a first tine tip, and a second tine extending from the grip portion along the grip plane and defining a second tine tip that protrudes beyond the first tine tip in both a lateral dimension and a longitudinal dimension.

The utility model discloses a roller type capo which is convenient in position adjustment, stable and reliable, and comprises a folding arm assembly and a roller assembly, the folding arm assembly adopts a hidden camshaft folding arm and comprises a front clamping arm, a rear clamping arm, a front pressing arm, a rear pressing arm, a hinge shaft and a clamping spring, the top of the front pressing arm is rotationally connected to the top of the front clamping arm, the top of the rear pressing arm is rotationally connected to the middle of the rear clamping arm, the front clamping arm is sleeved with the front pressing arm when the front pressing arm is folded, and the rear pressing arm is embedded into the rear clamping arm when the rear pressing arm is folded; the rolling wheel assembly is of a three-rolling-wheel structure and comprises a front rolling wheel assembly and two rear rolling wheel assemblies, the front rolling wheel assembly and the two rear rolling wheel assemblies are all vertically installed, and the width of the portion, arranged side by side, of the two rear rolling wheel assemblies is larger than that of the rear clamping arm. Folding operation is convenient and reliable, and the whole tuning clamp is small in size and attractive and elegant in appearance after being folded; clamping is stable and reliable, the rear clamping arm can be prevented from shaking during sliding, smooth and reliable sliding is guaranteed, and tuning precision is guaranteed.