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8067685 Stringed instrument utilizing sympathetic vibrations  
Embodiments of the present invention relate to a musical instrument having a plurality of strings, wherein a global fundamental tone produces a sympathetic resonance in one or more of the plurality...
7977565 Vibration apparatus and method for seasoning stringed musical instruments  
Apparatus and method for seasoning stringed musical instruments comprises an electric vibration generator coupled to a string cradle. The string cradle is detachably attachable to the strings of...
7928303 Insert for cajon drum  
An apparatus is provided for lowering the fundamental frequency of a cajon drum. A first side wall of the cajon drum is the drumhead. An opening is formed in a second side wall, wherein the opening...
7915505 Musical instrument  
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...
7842867 Internally-mounted soundhole interfacing device  
Disclosed is a device for improving the tonal characteristics of a stringed instrument. This has been accomplished using a device that interfaces acoustically with the soundhole. The device...
7754951 String instrument having a rear chamber with a flanged sound projection vent  
A string musical instrument, such as but not limited to a guitar, whose sides are angled; and without relief holes in the instrument's soundboard, or top; with the absence of a hole on the...
7678987 Apparatus and method for vibrating stringed musical instruments  
This invention provides apparatus and methods for seasoning stringed musical instruments. For stringed instruments having a bridge, the apparatus comprises an electric vibration generator attached...
7557282 Hardtail converter block for a tremolo equipped guitar  
A converter block for a Stratocaster.®. style tremolo system that effectively changes it to a hardtail configuration. Players who do not use the tremolo can benefit from the ease and stability in ...
7514615 Stringed musical instrument having a hybrid arch-top and flat-top soundboard  
Disclosed are a stringed musical instrument and related methods and apparatus. A longitudinal axis is situated along a length of the body of the stringed musical instrument. The body includes a...
7482519 Stringed musical instrument  
The present invention relates to a stringed musical instrument comprising a hollow body with a top having a first opening or openings, a bottom and sides, one or more strings held in tension over...
7425671 Compact stringed musical instrument  
A compact stringed musical instrument with sound chamber, neck, and strings, having a folded configuration, the neck being extended back over the sound chamber body much after the fashion of a...
7301085 Stringed musical instrument having harmonic bridge  
A stringed musical instrument is provided with a plate or soundboard that is curved to define a crest parallel to the strings. If the instrument is a closedbox instrument, another plate opposing...
7259308 Acoustic guitar resonator  
A resonator assembly includes a resonator, a collector-amplifier, as well as a timbre tray, one or more timbre pieces, and a detector holder. The resonator assembly, designed to be attachable to a...
7259318 Magnetic pickup device for a stringed musical instrument with large free shape low impedance coil for noise cancelation  
This invention is related to a magnetic pickup device for stringed musical instrument with one or more metal strings made by magnetic permeable material. The magnetic pickup device presented...
7164072 Brace bar for sound board of guitar  
Disclosed is a brace bar attached to an inner surface of a sound board of a guitar to prevent the sound board from being distorted, which has a modified shape to improve the flexibility of the...
7145064 Acoustic amplifier and tone controller for stringed musical instruments  
A sound enhancing device for F-hole stringed instruments, banjos, and drums. The device includes at least one cross-shaped element and a timbre square, which may be part of a larger,...
7115803 Stringed instrument  
A stringed instrument includes an elongated supporter 4, which is disposed in a sound box 1 so as to have both ends fixed to a side plate 1b of the sound box 1, and a vibration absorber 5 disposed...
7074992 Soundhole insert for a stringed instrument  
A unique shaped insert for the soundhole of an acoustic guitar has numerous embodiments. The insert is alternatively of two piece construction. In each embodiment, the invention has a forward...
6977329 Apparatus and methods for increasing the tonal complexity and quality of live and recorded musical instruments  
A musically resonant apparatus with continuously variable resonances and methods for increasing the tonal complexity and quality of live and recorded musical instruments utilizes the position of...
6894209 Guitar having a partially sloped sounding board  
A guitar configuration that has improved playability without requiring a raised fret or fingerboards or a neck that extends through the resonance chamber all the way to the sound hole is disclosed....
6822147 Arrangement of a sound hole and construction of a sound board in an acoustic guitar  
An acoustic guitar having a single sound hole placed on the perimeter of the sound board for enhancing its sound generating characteristics and a novel sound board design.
6800797 Method and apparatus for producing acoustical guitar sounds using an electric guitar  
An electric guitar includes a hollow acoustic body, a plurality of strings, a fingerboard, air in the hollow acoustic body, and at least one speaker mounted in the hollow acoustic body. A sound...
6777603 Perforated open volume acoustic resonator  
The creation of sounds by musical instruments or sound reproduction systems is not perfect, but acoustic dissonances inherent in the production of sound generators can be corrected. The present...
6596931 Ukelele made from koa and coconut shells  
An improved ukelele made from koa wood and coconut shell sidewalls provides a unique, deeper, pleasing musical tone. A stringed musical instrument comprises a body having an upper sounding board, a...
6563033 Stringed musical instrument with apparatus enhancing low frequency sounds  
A stringed instrument such as a guitar with a thinner than traditional body is provided enhanced decibels measured by sound pressure level (DBSPL) response employing a combination of one or more of...
6426454 Stringed musical instruments and method therefor  
A musical system for stringed instruments based on tuning in fifths in conjunction with component control reduces dissonance and discord while increasing harmony and consonance. In a stringed...
6156960 Stringed musical instrument combination  
A new stringed musical instrument having an appearance somewhat similar to a banjo or guitar or related instrument and comprising a head portion and an elongated neck secured to the head portion...
6127611 Apparatus and method of optimizing the tonal balance of instruments with end-pins  
A multi-mode adjustable-tone and tone-adjusting end-pin holder and methods for enhancing and optimizing the tonal balance and sonic quality of end-pin equipped instruments are disclosed. The...
6103961 Stringed musical instrument  
The present invention involves a stringed musical instrument having a lower portion comprised of a resonance body and an upper portion comprised of a neck and headstock. The resonance body encloses...
6087568 Acoustically tailored, composite material stringed instrument  
A guitar is described which is essentially made up of a plurality of plies of composite laminates individually selected and arranged together to provide desired sounds.
6046392 Stringed musical instrument frame having interchangeable soundboard and neck assembly  
A stringed instrument skeletal frame system is provided with an interchangeable soundboard and an interchangeable neck assembly of such an instrument. The soundboard includes a longitudinal slot....
6040510 Acoustic stringed instrument enhancement device  
An internal, acoustic enhancement device attached to a standard, conventional stringed musical instrument without causing damage thereto. The internal acoustic enhancement device includes two or...
6031164 Mute acoustic stringed musical instrument having damping bridge  
A mute violin has a soundboard formed with a resonator, a neck projecting from the soundboard, a string holder attached to the other end of the soundboard, strings stretched between pegs screwed...
5998712 Stringed instrument  
The sound box (3) of the stringed instrument surrounds components (6, 8), as a result of which the sound vibrations introduced by the playing strings (4, 5), across the bridge (1), on the top board...
5939652 Tone enhancement device for a musical instrument  
A device for a stringed instrument to maintain the tone emitted from the instrument which is otherwise dampened by the user's body. The device includes a plate having an outer contour approximately...
5918298 Tone control for stringed instruments  
In order to adjust the tone of a machine made stringed instrument, so the notes of the machine made stringed instrument are balanced, the sounding box of an initial test instrument is constructed....
5883317 Double-back acoustic booster for stringed instruments  
A stringed instrument, such as an acoustic guitar, includes a sound board, a first back and a side positioned between the sound board and the first back. The sound board, the first back and the...
5854435 Natural resonant speaker  
There is provided a natural resonant speaker adopting the resonant mechanism of a stringed instrument such as the violin, viola, cello, double bass, or acoustic guitar. It can be said that the...
5804746 Pretensioned soundboard for stringed musical instruments  
Soundboard material (10) is secured in a tensioning frame (12) and stretched or tensioned. The soundboard material (10) is allowed to stabilize at a predetermined tension. A tension retainer (26)...
5689074 Musical instrument  
Stringed instrument sound modification in which a specially braced soundboard is provided either for stand alone use or in cooperative combination with a plurality of vibrating reeds thereby to...
5661252 Acoustic arm  
Improved dynamic-acoustic system of guitar (X) with soundbox (184), creates a better scheme of dynamic forces cooperating with soundboard (168) of guitar (X). This system makes it possible for the...
5600081 Method of improving the sonority of a musical instrument  
To improve the sonority of a musical instrument which is made at least in part of wood, the wood before becoming a part of the instrument is subjected to sonic energy for causing surface erosion as...
5581043 Overtone enhancing musical instrument  
An acoustical instrument designed to promote and enhance the production of musical overtones is disclosed. The instrument is capable of reinforcing, and thereby enhancing, the resonance of...
5567896 String instrument with sound amplification  
A musical string instrument (1) having a resonator (3) including a belly (5) and a back (7) connected by a side (9) and provided with a sound hole (17) to resonate vibrations induced in a string...
5567895 Sound reverberator mounted in a sound box of a string musical instrument  
A sound reverberator for a string musical instrument having a sound box and strings tensioned over a saddle member of a bridge piece connected to a top wall of the sound box. The reverberator...
5542329 Device for improving sound in guitars and similar stringed instruments  
A wishbone shape articulated lateral drive assembly (19, 20) is mounted on the inner panel of the back plate (13) in a stringed instrument to energize and drive said plate (13) sideways causing...
5497690 String vibration enhancer for guitar-type musical instruments  
A detachable accessory for stringed instruments of the guitar family that utilizes a platform (26) to support individual string contacts (37-42) from a position over an instrument's strings (21-24)...
5355756 Sound-enhanced stringed musical instruments  
A banjo has a resonator (24) mounted about the pot (11) and acoustical links (25) that acoustically couple the resonator with the banjo head (14). When the instrument is played acoustical waves...
5339717 Keyboard instrument having soundboard with unconstrained edges  
To obtain a smaller piano having a larger piano sound, there is constructed a piano having a modified construction in reference to its sounding board and the means for mounting it. Instead of being...
4903567 Guitar with dual sound chambers  
A guitar is formed with a one-piece molded fiberglass body having nested oppositely facing inner and outer concavities. A sound board is bonded to one side of the body to enclose the outer...
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