49 results about "Cello" patented technology

An electronic synthesized steelpan drum resembling a conventional steelpan drum and featuring the same shallow cylindrical shape with a sunken concave playing surface. The steelpan drum includes a central processor chip and associated memory chips for providing a variety of synthesized steelpan and a full range of musical, orchestral, and symphonic instrumental sounds, including tenor, double-seconds, guitar, cello, quadraphonic, tenor-bass, and bass steel drums. The concave playing surface is comprised of a series of rubber striking pad areas, which can be arranged in a conventional or other unique pattern typical of a tenor pan. The striking pad areas will be played with a pair of pansticks. Attached under each pad is a pressure sensor, which will detect the amount of force applied when a pannist strikes a pad and provide a signal to the central processor for controlling the synthesized sound. The steelpan has various control functions including speakers, volume control, function selection buttons, and a control display panel.

An adjustable support 12 for a stringed musical instrument such as a cello 10 includes a shaft 14 that is removably inserted into the cello 10, and a support member 16 that is adjustably disposed upon and secured to the shaft 14. The support member 16 includes an insertion portion 26 with a stabilizing bushing 72 disposed thereupon for stabilized insertion into an aperture in a bottom portion 11 of the cello 10, an annular portion 28 with an annular wall 34 for engaging and supporting the bottom portion 11 of the cello 10, and a lower portion 30 for securing the support member 16 circumferentially about a cylindrical outer wall 18 of the shaft thereby allowing an artist playing the cello to select a comfortable elevated and stabilized position of the cello 10 above a floor surface.

This invention relates to a cover for a playable device, such as an instrument, a musical instrument, for example a guitar, a bass, a violin, a viola, or a cello, peripherals designed to resemble instruments, controllers designed to resemble instruments and / or toys. The cover can be form-fitted on a playable device leaving a playing area of the playable device fully exposed, such that the cover can be used while the playable device is being played or is merely being stored. The cover may protection from damage during use and storage. In some embodiments, the cover may be used to customize a playable device.

An end pin for a stringed musical instrument such as a cello, bass or the like having an end pin receptacle at the base end thereof. A first or conical member is slidably mounted on an elongated rod and has a tapered upper end portion which is inserted into the end pin block or receptacle at the base of the instrument. A second or clamping member is threadably secured to the lower end of the first member and tightened thereon which causes a segmented collet portion on the first member to be moved into engagement with the rod to positively maintain the rod in selected longitudinal positions with respect to the instrument.

A stringed cat toy to encourage playful activity and exercise in cats and healthy interaction between cat owners and their pets. The cat toy comprises an elongated music string with a small handle securely connected at one end and an object which is attractive to cats secured at the opposite end. The preferred cat toy string is selected from a group of composite strings used for instruments such as the cello, bass or violin, which are of low tensile strength and are designed for low-frequency vibration on the order of about 100 Hertz or less. The dynamic properties of the composite string facilitate interesting movements of the attractor, preferably a horse hair tassel, when the handle is rotated. The motion of the attractor appears to be a life-like and erratic movement that simulates prey and stimulates natural predatory instincts within the cat to encourage the animal to leap at the object. Such playful activity both exercises the cat and promotes beneficial interaction between cat and owner.

A musical instrument training aid for attaching to a violin / cello to support a bow playing the violin / cello is disclosed to include a bridgelike base member having two pairs of pivot shafts at the two ends, four suspension arms respectively pivotally coupled to the pivot shafts, and four anchoring boots respectively capped on the legs of said suspension arms and adapted for securing the suspension arms and the bridgelike base to the waist of the violin / cello.

A dissipating medium made of a stone-like tile. The tile used for removing a wolf note and its related energy, when played on a string musical instrument. The tile is made of a natural mineral, such as travertine. Also, the tile has a shear wave velocity between 300 to 440 m / sec. The tile can have an angular or annular shape. The angular shape is in a range of 10 to 12 inches square and a thickness in a range of ½ to ¾ inch. A top surface of the tile includes an annular depression for receiving an end pin of a cello's tail piece. The medium can be constructed of two tiles with an upper tile 10 inches square and a lower tile 12 inches square. Also, the medium has a weight in a range of 6 to 12 pounds for ease in transporting.

A musical instrument is provided. The instrument is light weight and portable. The instrument includes electrical pickup capabilities but also has the feel of an acoustic instrument. The instrument can be folded to an arrangement that is easy for transport. The folding instrument has maximum similarity to an acoustic cello, including the feel and size when unfolded. The instrument includes a floating soundboard to provide maximum acoustic feel. The instrument further includes an acoustic pickup.

Using a violin teaching apparatus as an example, a training device is disclosed to aid in teaching how to play bowed string instruments. By guiding the motion of a bow teaching apparatus in a manner consistent with the operation of an actual bow, students will learn proper bowing technique. Depending on the immediate pedagogical objective, the motion of a bow teaching apparatus can be limited in terms of back and forth motion as well as the angle relative to the training device. This disclosure can be applied to other bowed string instruments including, but not limited to, a cello and double bass.

The invention discloses the field of musical instruments, and particularly relates to a soft cello, which comprises a cello head, a cello neck connected with the cello head, a finger plate fixed with the cello neck and provided with a nut, a resonance cavity and an end pin, wherein the resonance cavity comprises sound plates located at two ends of a centerline of the resonance cavity and fixed on the cello neck and the end pin respectively; the middle waist positions at two sides of the resonance cavity are provided with C plates which are fixed with the sound plates as a whole; the sound plates and the C plates serve as a support, the outer part is coated with a soft body, the soft body is internally provided with a lining which can be distracted, and the resonance cavity is formed after distraction. As the soft cello design idea is brought forward, a thinking set that the musical instrument for thousands of years is prepared by a hard material is subverted, the soft cavity is realized, folding, gathering, contracting and convenient carrying can be realized, and the original timbre of the cello is not influenced.

The invention discloses a lytic polysaccharide monooxygenase (LPMO) M1 encoding gene coming from magnaporthe grisea, and a preparation method and an application thereof. The lytic polysaccharide monooxygenase LPMO M1 is sourced from the magnaporthegrisea 70-15, which is a pathogenic bacterium of paddy rice. The invention also provides a method of producing the novel LPMO, wherein by means of genetic engineering technical methods, the gene of the novel LPMO is cloned onto an escherichia coli expression vector to obtain an escherichia coli recombination strain that can heterologously express the enzyme. The LPMO M1 prepared through the heterologous expression by the strain can degrade PASC (microcrystalline cellulose processed by phosphoric acid) to generate cello-oligosaccharide and cello-oligosaccharide acid. The LPMO M1 can be widely applied in the fields of chemical engineering, agriculture, feed additives, medicines and the like, and has huge production potential and economic value.

A string offset preventing mechanical axis is provided, belongs to the technical field of musical instrument, and particularly relates to a string offset preventing mechanical axis applied for string musical instruments such as lute, plucked stringed musical instrument, Nguyen violin, cello, viola and violin. The string offset preventing mechanical axis is composed of a damping structure and a locking mechanism. The damping structure and the locking mechanism are respectively arranged on a left plate and a right plate of a string slot of the musical instrument; the string axis of the musical instrument runs through the damping structure and the locking mechanism located on the left and right plates of the string slot successively. The string offset preventing mechanical axis provided by the invention has the following beneficial effects: the string offset preventing mechanical axis is made of metal which is free from the effects of weather, temperature and humidity; in this way, the strings are easy to adjust and the string offset phenomenon during playing is avoided, the string axis is locked fixedly in order to avoid the string offset. The string offset preventing mechanical axis is featured in simple structure, low manufacturing cost and wide market prospect.

A musical instrument is provided. The instrument is light weight and portable. The instrument includes electrical pickup capabilities but also has the feel of an acoustic instrument. The instrument can be folded to an arrangement that is easy for transport. The folding instrument has maximum similarity to an acoustic cello, including the feel and size when unfolded. The instrument includes a floating soundboard to provide maximum acoustic feel. The instrument further includes an acoustic pickup.

An electric cello is equipped with a pickup unit under a bridge, and strings are stretched to press the bridge; the pickup unit has a bridge tray where the bridge stands and a piezoelectric transducer provided beneath the bridge tray, and the bridge tray is bolted at a side portion under the thick string to the instrument body; however, the other side portion under the thin string is made freely vibrate; while a player is bowing on the strings, the vibrating strings give rise to rolling of the bridge, and the leg portions of bridge are alternately pressed on the side portion and the other side portion; only the vibration of the other side portion give rise to deformation of piezoelectric converter so that the piezoelectric converter is free from interference of the bolted side portion.

The present invention provides a method for producing cello-oligosaccharide, comprising: (a) providing a fiber raw material having a water content of 29-70%; (b) by using an extruder for continously maintaining the fiber raw material at a pressure range of 15-65kg / cm2 via back pressure, performing a steam explosion process on the fiber raw material to produce a steam explosion product, wherein the temperature of the extruder is about 70-1600 degree centigrade, wherein the back pressure of the extruder is continuously maintained in the pressure range so that the fiber raw material continues to undergo steam explosion as the fiber material continues to be pushed out of the outlet of the extruder; and (c) subjecting the steam explosion product to a degradation treatment to obtain a cello-oligosaccharide product. The method for producing the cello-oligosaccharide of the present invention can maintain the pressure within a constant range prior to the steam explosion of the fiber raw material having a high water content, thereby achieving an effect of stable discharge and being environmentally friendly and capable of improving the yield of oligosaccharides and reducing process cost.

A device for restraining or anchoring the endpin of a floor-resting musical instrument such as a cello or a string bass is provided for allowing the musician to hold the musical instrument in a desired position and prevent the endpin from sliding around on the floor surface. The device also protects the surface of the floor from being damaged by a sliding endpin. The device also does not dampen the sound of the musical instrument.

The invention presented herein allows efficient modification of endpins for musical instruments such as cello or bass that use cavities in one or more components that accommodate filler material. The filler materials are composed of materials that affect the acoustic outcomes. The user can modify the endpin acoustic outcomes relatively quickly by changing the filler composition until a desired acoustic outcome is achieved. This allows various acoustic outcomes using the same shape, materials, and construction for the endpin components. Several embodiments are illustrated for endpins, pedestals, stringed instrument sound posts, interior blocks, bass bars, speaker legs and the like.

The invention discloses an acoustic evaluation method and experimental device for a cello resonance box based on impedance technology, and is characterized in that: the experimental device includes an impedance analyzer, a cello resonance box, a first piezoelectric sensor, and a second piezoelectric sensor , the 3rd piezoelectric sensor, the 4th piezoelectric sensor, computer and software processing system thereof, test experiment device and evaluation method of the present invention, need not player to play cello, directly use impedance analyzer to cello resonant box in low range, Alto zone, treble zone 1, treble zone 2 carry out frequency sweep, test out the impedance spectrogram of described cello resonance box in the scanning frequency range, then judge the quality of cello resonance box according to the impedance spectrogram of cello resonance box. The invention has simple structure and reasonable design, overcomes the artificial factors in evaluating the timbre of the cello in the traditional method, objectively evaluates the timbre of the cello resonance box, and provides a brand-new cello evaluation method for cello manufacturers.

A stand and cradle suitable for resting a bass or cello instrument upon a floor includes an angled base forming a back support and C-bout support upon which a bass or cello may be rested. The base is further supported by a pivotally coupled angled support which maintains the angle of incline of the base. In one embodiment, a pair of generally planar wood members are used to fabricated the base and angled support. In an alternative embodiment, the base is formed of a pair of tubular legs pivotally joined to together with a pivotally secured angle support also formed of a tubular member. In each embodiment, the cradle and base support is foldable to a collapsed configuration for easy storage and transport.

The invention discloses a rice seedling culture method for improving cold resistance of double-cropping early-season rice machine-transplanted seedlings, and relates to rice seedling culture techniques. The method includes the steps: seed drying; seed selecting; seed soaking; sprouting; spreading and bud exercising; sowing and rice seedling culture; seedling management and the like. According to the method, seeds are soaked by cello-oligosaccharide, so that plant growth is facilitated, root system activity is improved, the content of soluble sugar of leaves is increased, and low-temperature resistance of plants is improved. According to the method, the germination rate and the seedling survival percentage of the rice seeds can be increased, the quality of the seedlings is improved, seedling age elasticity and stem base width are remarkably increased, the method is suitable for large-scale mechanized production, cold resistance and antiretroviral activity of the rice seedlings are remarkably enhanced, so that the problem of rotting of seeds and roots caused by harsh climate factors such as southern late spring coldness can be resisted, and technical support is provided for yield guarantee, disaster reduction and mechanized production of southern early-season rice.

The invention discloses a human endostatin gene transformed bifidobacterium double-layer microcapsule embedding technology and solves the problem that a transgene bifidobacterium engineering strain is not easy to preserve and is not resistant to gastric acid, wherein the problem hasn't been broken through for a long time. The technology comprises steps of: using milk protein and the like as a first layer for cladding, using Arabic gum, cello-oligosaccharide and the like as a second layer for embedding, and adopting a fluidization spraying method to transform human endostatin gene bifidobacterium to prepare a microcapsual powder. Through successful development of the project provided by the invention, the technology has very ideal effects for preservation, preparation, gastric acid resistance and colonization of the transgene bifidobacterium engineering strain and paves the way for the development of dosage forms of micro-ecological preparations.

The invention discloses a kind of musical instrument. The musical instrument is characterized in that the musical instrument is integrated with a tuner; and only a cell of the tuner is allowed to be detached and assembled by a user, while other components are not allowed to be detached and assembled by the user, that is, the user is not allowed to detach the tuner for usage. The kind of musical instrument comprises but is not limited to the following musical instruments with the characteristics above: an urheen, a Jinghu, a Banhu, a Quhu, a Gehu, a Gaohu, a Chunghu, a cello, a violin, a viola, a guitar, a chinese zither, a Liuqin, a Ruan, a lute, a trichord, a Guqin, a dulcimer, a bamboo pipe qin, a bamboo qin, a Rawap, a Balang zikumu, a Kumuriyi, a tambura, a moon-zither, a kugo, a Charon, a musical bow, a Tapia, a Daiding, a Tuofuxiuer, a Dongbuer, a Feitekena, a clang and a harp and the like.

The invention relates to a string length regulator. Twelve string fastening holes are arranged on a tailpiece and successively comprise four string fastening holes in a first row, four string fastening holes in a second row, three string fastening holes in a third row and one string fastening holes in a fourth row, and the four rows of string fastening holes are all aligned to the left; the left three string fastening holes in the first row are irregular string fastening holes with circular upper segments and rectangular lower ends, and the rightmost string fastening hole is a circular hole; the first string fastening hole on the left in the second row is an irregular string fastening hole with a circular upper segment and a rectangular lower end, and the right three string fastening holes are circular holes; and the string fastening holes in the third row and the string fastening hole in the fourth row are all circular holes. According to tuning needs, the string fastening holes at four different positions can be selected, and strings are fastened to the tailpiece through cooperation between the selected string fastening holes and tuning pegs. Through the string length regulator, the lengths of strings can be changed, the heights of the strings can also be adjusted, accordingly, the tone quality and the volume are adjusted, the structure is simple, the installation and replacement are easy, and the string length regulator is especially suitable for a violoncello.

The invention discloses a production technology of cello-oligosaccharide. The technology comprises the following basic steps: (1) crushing a biomass raw material (2) uniformly mixing the crushed sample and a reaction solution; (3) letting the reaction system react at room temperature for a certain period of time; (4) adding water to dilute a reaction liquid; (5) hydrolyzing the reaction system at high temperature for a period of time; (6) carrying out solid-liquid separation, and neutralizing a liquid part by the use of alkali; and (7) carrying out sugar-salt separation to obtain cello-oligosaccharide. The operation method is simple, and the problem that molecular weight cannot be manually controlled at a stage by pure biomass degradation is solved. The production technology makes it possible to realize industrial large-scale production of cellulose-enriched biomass and obtain high-purity cello-oligosaccharide.

The invention relates to an electronic crystal Wenqin. The sound of rhythms generated by playing the traditional wooden Wenqin needs to be amplified through a sounding device, the traditional wooden Wenqin has only one tone color, and meanwhile, a certain degree of resonance is generated by the wooden Wenqin body, thus, the tone quality is not pure enough. The invention aims to provide the electronic crystal Wenqin which comprises a Wenqin body and sound pick-up devices, wherein the Wenqin body is provided with a plurality of bridges. The electronic crystal Wenqin is characterized in that each bridge is provided with sound pick-up devices, and the sound pick-up devices are respectively connected with an electronic multiple effector. The electronic crystal Wenqin provided by the invention can be used for simulating an electronic chorus sound effect and the tone colors of tens of musical instruments, such as a Wenqin, a violoncello, a hose head string instrument, a urheen, a bass urheen and the like, have multiple purposes, and also have the characteristics of more pure and graceful tone color and tone quality and wider vocal range.

The invention relates to an acoustic configuration of violins which include fiddles, violas and cellos and are different from classical violins. The violin with the acoustic configuration is designed according to the acoustic rules, the standard pitch data stipulated by American standard association of music Z24.1-1936, the uniform and ordered rules and the low-frequency approximate reflection principle. According to the violin, a panel and a backboard of the violin have different shapes from the traditional violin; a reflecting surface of an inner cavity of the violin reflects the change rules of the wavelength of the acoustic wave; a reflecting surface of the acoustic wave is defined by the international standard pitch data; the reflecting surface of the acoustic wave is uniform and ordered, so that the loss of acoustic information comprising low frequency can be avoided; and for the violin manufactured according to the configuration rule, better volume and timbre can be achieved under common materials and process conditions, and under the playing state of the standard pitch, the performance is better.