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Match Document Document Title
9029674 Foldable musical keyboard player  
There is a foldable musical keyboard player can convert from a deployed configuration to at least a first and a second folding configuration. In the deployed configuration, the top keyboard of the...
9024165 Inverted keyboard instrument and method of playing the same  
An electronic keyboard instrument is provided and methods of playing and assembling the same. The instrument comprises a controller for enabling activation of electronic signals having audible,...
9006549 Hammer device and keyboard device for electronic keyboard instrument  
A hammer device of an electronic piano with keys which swing in accordance with key depression, includes a hammer support that is made of a synthetic resin and has a fulcrum shaft, and a hammer...
8987573 Music teaching device and method  
A novel Janko-type keyboard with attachable/detachable touch plates is disclosed. The touch plates have a coloring differing from traditional keyboards. A novel music tablature corresponding to...
8962966 Keyboard instrument  
In response to an operation of a key, a drive signal indicating a sound waveform corresponding to the key is supplied to an excitation unit provided on a soundboard. The soundboard is vibrated in...
8952232 Circular piano keyboard  
According to embodiments herein, a circular, semi-circular, or generally rounded piano keyboard is shown and described. In particular, in an illustrative embodiment, the piano keyboard is a fully...
8927845 Electronic keyboard musical instrument  
An electronic keyboard musical instrument, including: a housing having a lower casing having a bottom wall and an upper casing having a top wall, left and right walls being formed on at least one...
8907190 Switch device and electronic musical instrument  
The present invention includes a first rotating operation unit which is arranged in one end section of an instrument main body such that a portion thereof protrudes from the top surface of the...
8901405 Electronic piano training device  
Described is an electronic piano training device. Embodiments of the electronic piano training device include illuminated keys on a keyboard to convey information to a user. The information may be...
8901404 Sound adjusting system and electronic musical instrument  
An electronic keyboard musical instrument, including: a keyboard; a musical-sound signal generating circuit; at least one speaker for emitting sound in accordance with a generated signal; a...
8847051 Keyboard guitar including transpose buttons to control tuning  
A musical instrument includes: a body including a keybed having a plurality of keys, wherein activation of each key creates an electrical signal at an output, wherein said electrical signal...
8841528 Keyboard device  
A keyboard device of the present invention includes a front guide shaft that is provided on the front portion of a front lid and projects toward sides of the front lid, a rear guide shaft that is...
8841532 Piano key system  
A keyboard instrument having keys modified as compared to a standard piano keyboard, in which the central longitudinal axis of the D♯ key extends between the adjoining distal lateral sides of the...
8809657 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Inverted keyboard instrument and method of playing the same
 
An electronic keyboard instrument is provided and methods of playing and assembling the same. The instrument comprises a controller for enabling activation of electronic signals having audible,...
8766075 Keyboard device for electronic keyboard instrument  
A keyboard device for an electronic keyboard instrument, including several keys arranged side by side in a left-right direction, a hammer support disposed rearward of the keys, a plurality of...
8742241 Electronic keyboard instrument  
An electronic keyboard instrument capable of suppressing warpage of a keybed having a keyboard placed thereon and improving the appearance of the instrument by shared use of a backboard covering...
8735706 Musical instrument keyboard having identically shaped black and white keys  
A musical instrument keyboard is provided comprising a plurality of black and white keys being identically shaped and sized and arranged on a single plane in a parallel and fully adjacent manner...
8614384 Keyboard for musical instrument, and instrument comprising such a keyboard  
A polyphonic, chromatic keyboard, whose notes are alternately distributed across two sub-keyboards arranged in thirds on each sub-keyboard. On each sub-keyboard, the notes are distributed across a...
8445765 Keyboard device  
A keyboard device capable of reconstructing a unique clicking sense of an acoustic piano is provided. A first incline portion (a plane or curved surface) of a sliding surface is inclined towards a...
8440896 Keyboard device  
This key structure includes rotating shaft sections 12, 16, and 20 which are respectively provided in the rear end of key bodies 11, 15, and 19 arrayed in parallel, and serve as rotation fulcrums...
8426713 Type piano  
A sound emitting system includes an abbreviated keyboard coupled to a speaker. The keyboard includes a plurality of rows stationed above a space bar row. The plurality of rows include labeled keys...
8350140 Keyboard device  
Disclosed is a keyboard device 100, in which a plurality of keys 3 are attached to a keyboard chassis 1 rotatably in a keying direction. In the keyboard device 100, a key pressing member 20 of the...
8338688 Electronic keyboard instrument  
An electronic keyboard instrument with a hammer action, in which a circuit board for generating electronic musical tones can be disposed at a location for easy maintenance and for effective space...
8258389 Keyboard device  
In a keyboard device, a frame function part is provided integrally in a frame to engage with a component of the keyboard device excluding the frame. Integrated continuous parts are formed at the...
8253530 Keyboard for powering on or off computer  
A keyboard can power a computer on or off. A switch arranged on the keyboard receives power on or off operations. A control chip in the keyboard outputs control signals to a microcontroller...
8158876 Keyboard apparatus  
A keyboard apparatus having hammers each adapted for contact at its mass-unconcentrated half with a lower surface of an initial stopper that restricts initial pivot positions of the hammers,...
8148620 Hammer stoppers and use thereof in pianos playable in acoustic and silent modes  
A piano hammer stopper system includes a blocking rail movable between a first position, allowing unobstructed movement of piano hammers, and a second position, blocking at least one piano hammer...
8134060 Electronic keyboard instrument  
In an electronic keyboard instrument, a first switch board 11 and a second switch board 12 are independently provided in a keyboard chassis 1 separated from each other. The first switch board 11...
8119895 Keyboard assembly for electronic musical instrument  
A keyboard assembly for an electronic musical instrument comprises an integrally formed multikey unit and a keyboard frame. The multikey unit has a plurality of juxtaposed key bodies and is...
8110732 Keyboard device for electronic keyboard instrument  
A keyboard device for an electronic keyboard instrument, ensuring stable pivotal motion of each key and improved in each of assembly and disassembly. Each key extends in a front-rear direction and...
8088983 Fallboard opening and closing device  
An opening and closing device 10 for a fallboard 8 includes a first damper member 13 that dampens the rotational movement of the fallboard 8 by constantly applying a fixed load to the fallboard 8,...
8080721 Hammer for electronic keyboard instrument  
A hammer for an electronic keyboard instrument, constructed to ensure secure mounting of a weight to a hammer body and enable both assembly and disassembly of the hammer to be easily performed....
8076563 Keyboard device  
A keyboard device configured such that, when L represents a distance in a horizontal direction from a rotation support of a hammer member 3 to a contact point where a key 2 comes into contact with...
8049090 Apparatus and method for actuating keyboard mechanisms and evaluating their mechanical properties and stroke characteristics  
New parameters (Down Force, Up Force, Balance Force, and Average Friction) are defined for evaluating important “stroke characteristics” of individual key actions of one or more pianos or...
8022283 Anthropometric scaffold for keyboard-control pedal  
A scaffold for ergonomic positioning and reliable support of foot-control pedals of musical instruments is disclosed. The scaffold includes a three-walled channel for engaging the distal portion...
8013228 Electronic keyboard musical instrument having key actuators  
A musical instrument comprises a keyboard assembly including juxtaposed keys and juxtaposed swing weight mechanisms, each of the keys correspondingly linked with each of the swing weight...
8003871 Keyboard apparatus  
A keyboard apparatus made longitudinally compact while ensuring a pivotal motion range of hammers within a limited space. Common base ends, to which main bodies of white and black keys are...
7999162 Movable part firmly equipped with balance weight, musical instrument and method of assembling balance weight therein  
Keys of a piano are depressed against the total weight of associated action units and hammers so that balance weight pieces are embedded in the front portion of each key; since the wood bar of the...
7952010 Structure of a key  
A keyboard device has a plurality of keys, each key having a support base where one end of each key is supported and is arranged to allow for movement, and a plate that hides the surface of the...
7947887 Touch control apparatus of electronic musical instrument  
In order to detect a state of a key 30, a differential acceleration sensor 38 is provided in addition to a common position sensor 35 and a velocity sensor 36. A reaction force applied by a...
7928312 Inverted keyboard instrument and method of playing the same  
An electronic keyboard instrument is provided and methods of playing and assembling the same. The instrument comprises a controller for enabling activation of electronic signals having audible,...
7923619 Keyboard device  
A plurality of keys are supported at a key support parts such that the respective keys are pivoted by a key-pressing operation of a player in a vertical direction, the keys being arranged in...
7915509 Movable pivot bearing for changing key leverage in string keyboard instruments  
A moveable key lever pivot bearing system for keyboard instruments in which the pivot bearing is provided with a longitudinal slot to enable mounting the bearing over a pivot pin disposed on a...
7915508 Keyboard assembly for playing music automatically  
A keyboard assembly for playing music automatically comprises: a plurality of juxtaposed keys including white keys and black keys, each being supported swingable for depression and release...
7902445 Housing structure of electronic keyboard musical instrument  
A housing structure of an electronic keyboard musical instrument, in which a pivotable upper case can be mounted to and dismounted from a lower case when the upper case is in a semi-open state,...
7897860 Keyboard apparatus  
A keyboard apparatus configured that heavy loads to support keys and hammers are perpendicularly applied to front-side and rear-side contact portions and the area of a front part of a frame as...
7858863 Electronic musical instrument keyboard apparatus  
Mass body unit includes a base section, an elongated member, and a mass concentrating section. The elongated member is formed by a thin sheet metal plate being bent, along its length, into a...
7858862 Pedal device for keyboard instrument  
A pedal device of a keyboard instrument which makes it possible to stably secure a required action of a pedal, facilitate assembly thereof, and reduce manufacturing costs. A pedal device for a...
7847173 Compact device for adjusting piano key touch weight  
A series of adjustable springs, rigidly suspended above the keys of a piano, provides a downward force which reduces the effort needed to depress the keys. Precise adjustment of the series, and...
7816598 Electronic keyboard musical instrument having key actuators  
An electronic keyboard musical instrument comprises a keyboard assembly including juxtaposed keys and juxtaposed swing weight mechanisms, each of the keys correspondingly linked with each of the...

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