Matches 51 - 100 out of 301 < 1 2 3 4 5 6 7 >


Match Document Document Title
7816600 Use of constant force spring in keyboard assembly  
An electronic keyboard that includes a plurality of keys including a first key. The keyboard further includes a key support supporting the first key for movement between a rest position and a...
7807911 Keyboard musical instrument having keys equipped with balancers biting into keys and method for securing balancers to keys  
Keys of an acoustic piano require balancers for cancellation of a part of self weight of the action units/hammers; however, the balancers are liable to be dropped off due to the aged deterioration...
7790972 Keyboard having key spacing  
A keyboard unit (10) comprising a plurality of keys (12) surrounding a centre (14) and operable singly and chordally by a single finger (or thumb). Preferred arrangements consist of three, four or...
7777115 Keyboard musical instrument  
An approach of a finger of a player to a key in order to conduct an operation for playing music is sensed to exert an external force which resists a depression of the key before the finger whose...
7772474 Keyboard device with an anti-floating part for electronic musical instrument  
A keyboard device is designed for use in an electronic musical instrument. A plurality of keys including white keys and black keys are arranged on a keyboard frame. Supporting parts are mounted on...
7767891 Key for keyboard-based musical instruments  
A key for keyboard-based musical instrument is provided for ensuring high hydrophilia and thereby ensuring higher playing performance. A key 1 for an electronic piano 2 comprises a key body 10...
7767892 Keyboard apparatus for electronic musical instrument  
A keyboard apparatus for an electronic musical instrument, in which hammers each have increased rigidity without being excessively increased in the mass thereof. The hammers are provided to...
7750222 Keyboard apparatus of electronic musical instrument  
Keys 1, 2 are supported by a frame 3 in a freely swingable manner. Massive bodies 8, a lower limit stopper 10 and an upper limit stopper 11 are situated below keys 1, 2. Massive bodies 8 are...
7750221 Keyboard-type tone plate percussion instrument and resonance tube and resonance box for tone plate percussion instrument  
A keyboard-type tone plate percussion instrument which is simple in construction and light in weight and capable of easily unifying key-operation feelings and efficiently outputting well-balanced...
7741553 White key for keyboard musical instrument  
A white key for a keyboard musical instrument comprises a key body made of resin in the form of a hollow box shape having an upper wall to be pressed by an instrument player and vertical walls...
7723597 3-dimensional musical keyboard  
An improved 3-dimensional musical keyboard apparatus comprises a plurality of planar, longitudinally extending keys mounted for both downward depression and longitudinal displacement; spring...
7718879 Hammer shank of piano and method of manufacturing the same  
There is provided a hammer shank for a piano which is capable of suppressing a change in the dimension between two arms due to dryness and wetness to thereby ensure smooth and stable operation of...
7709718 Electronic musical instrument keyboard apparatus  
Keyboard apparatus includes: a plurality of white and black keys: a plurality of mass body units each pivotable in response to operation of a corresponding one of the keys; a frame having mounted...
7709719 Keyboard apparatus for electronic musical instrument  
A keyboard apparatus for an electronic musical instrument having white keys and black keys capable of providing a satisfactory tactile impression, having a satisfactory appearance, and suppressing...
7709717 Structure for electronic keyboard instrument  
Structure for an electronic keyboard instrument includes upper and lower cases. The lower case has a bottom plate having lower slits, and the upper case has an upper plate having upper slits. The...
7700860 Keyboard instrument and fallboard structure thereof  
A fallboard structure of a keyboard instrument capable of selectively shielding or opening the inside of the instrument from or toward a player. A fallboard covers a keyboard section when it is...
7683248 Piano key leveling device and method  
A keyboard musical instrument includes a key, a balance rail, and a key leveling tab. The key leveling tab is permanently mounted on the balance rail. The key leveling tab is non-resonating and...
7683247 Keyboard apparatus  
A keyboard apparatus in which the radius of turning motion of a mainly operated portion of each black key in a key depressing/releasing direction is maximized so as to enhance the operability of...
7678981 Keyboard structure of electronic keyboard instrument  
A keyboard structure capable of suppressing a depth dimension of a keyboard instrument and rearward displacements of key main bodies to thereby prevent plastic deformation of hinges. White and...
7678989 Use of constant force spring in keyboard assembly  
An electronic keyboard that includes a plurality of keys including a first key. The keyboard further includes a key support supporting the first key for movement between a rest position and a...
7667119 Portable keyboard system  
A portable keyboard system having a pair of keyboards rigidly secured to and directed outward from one another. The keyboard system is secured to a user with shoulder straps, which allow the user...
7659470 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,...
7652207 Key structure and keyboard apparatus  
A key structure which is capable of giving a woody appearance to the key, and increasing the freedom of mounting at least one functional part formed as a separate part from the key structure,...
7633001 Keyboard-type tone plate percussion instrument  
A keyboard-type tone plate percussion instrument that permits a player to make an operation to select percussion unit's striking a tone plate with or without intervention of a displacement member...
7619154 Instructional device and method for piano or other musical keyboard  
An instructional device and associated method for illustrating the positions of keys and their associated notes on a keyboard are provided. The instructional device includes key markers that are...
7612274 Electronic musical instrument  
To the undersurface of a main body 10 having a keyboard 12 operated with player's hands, upper stand portions 72 which are tilted backward and are shaped like a tube are fixed. Lower stand...
7608772 Black key for keyboard instrument and method of manufacturing a black key cover  
A black key for a keyboard instrument, in which a black key cover incorporating a weight can be manufactured at low costs, and the black key cover can be firmly mounted on a key body, in a state...
7605319 Keyboard apparatus  
A keyboard apparatus 100 has plural keys 10 and 11, plural electronic actuators 30, and plural link mechanisms 40. Each of the keys 10 and 11 extends in the longitudinal direction, and pivots in...
7582821 Electronic musical instrument keyboard apparatus  
Key is pivotably supported by a key frame, and the front end of the key is normally urged upward by a pivot lever. Load member drivable by an actuator is provided rearwardly of a mass body of the...
7550664 Keyboard apparatus  
A keyboard apparatus that can be manufactured with a simple process at a low cost while still providing the feeling and appearance of high quality. In one embodiment of the invention, side...
7544876 Keyboard apparatus of electronic keyboard instrument  
A keyboard apparatus of an electronic keyboard instrument, which is compact in size and broad in a permissible movable range at the time of receiving a force exerting in a width direction of keys....
7541530 Tone plate for keyboard-type tone plate percussion instrument, tone plate fabricating method, tone generator unit of tone plate percussion instrument, and keyboard-type percussion instrument  
A tone plate which makes it easy to reduce the entire length and width thereof, thus increasing the degree of freedom in design. The tone plate includes an antinode portion, front and rear ends,...
7528311 Keyboard-type percussion instrument  
A keyboard-type percussion instrument capable of outputting, with high quality, a musical tone to outside the instrument. In an upper part of the instrument, there is provided a tone generator...
7507883 Electronic keyboard instrument  
A musical instrument body is provided with an array of keys at a front portion of the musical instrument body, and side plates at both side portions of the musical instrument body. A keyboard lid...
7498502 Keyboard musical instrument having accommodation space for fallboard between keyboard and rear top board  
A keyboard musical instrument comprises a keyboard having a plurality of playing keys, a fallboard pivotably supported at its rear end for covering the keyboard when the instrument is not in use...
7495163 Wireless musical keyboard  
A keyboard support adapted to be mounted to the waste portion of a musician providing support arms that are attached to a harness such that the keyboard is allowed to reposition in the lateral...
7495158 Opening/closing mechanism for a keyboard instrument cover  
An opening and closing mechanism for a keyboard cover that includes a front cover half and a rear cover half coupled foldably by a hinge. The mechanism comprises a first guide that guides the...
7488884 Keyboard musical instrument having sloped top surface  
An electronic keyboard musical instrument has a cabinet, in which a tone generating system is housed, and the cabinet offers a sloped top surface to assistant goods; while the player is composing...
7488885 Key guide structure in keyboard apparatus  
Keyboard apparatus has a frame and a key pivotably mounted on the frame. Key guide structure includes a key-side guide member provided inside the key, and a frame-side guide member provided on the...
7476795 Keyboard device for electronic musical keyboard instrument  
A keyboard device is designed for use in an electronic musical keyboard instrument, and composed of a key frame and at least one key array unit mounted in the key frame. The key array unit has a...
7439436 Main case body of musical keyboard instrument  
A main case body of a musical instrument, which is capable of securing a degree of freedom of design. A case structure includes a lower front case, a lower rear case, and an upper case. The lower...
7425672 Exterior structure for keyboard instrument  
An exterior structure for a keyboard instrument, which is capable of dramatically increasing the variation of producible types of keyboard instruments while suppressing the cost of molds. A lower...
7411122 Keyboard device for keyboard musical instrument  
There is provided a keyboard device for a keyboard musical instrument, which is capable of enhancing the key touch feeling sensed when each key is depressed, and durability of stoppers. Keys each...
7402741 Keyboard apparatus  
A keyboard apparatus which is capable of imparting a natural key depression feeling with a definite and positive load change, with a simplified construction. A key touch feeling-imparting...
7396987 Portable keyboard musical instrument  
A versatile portable keyboard musical instrument has a number of separable portions including a first keyboard portion detachable from a second supporting base portion for use alone, or the second...
7394013 Methods and electronic systems for fingering assignments  
Embodiments of the disclosure relate to assignment of fingering for performance of a musical piece. In one example, a processor of an electronic system receives a file having data relating to at...
7368647 Support for a musical keyboard instrument  
A support for a musical keyboard instrument has a first leg, a second leg and an adjuster. The first leg is pivotally connected to the second leg and a rod is formed in a sidewall of the second...
7368644 Top board structure for keyboard instrument  
A top board structure is adapted to a keyboard instrument (e.g., a grand piano) having a pair of a top board rear and a top board front, which are arranged close to each other with a gap...
7329812 Electronic musical instrument  
An electronic musical instrument which has a fallboard unit whose dimension in the longitudinal direction of the instrument is not increased even when the fallboard unit contains a functional...
7323628 Keyboard musical instrument having top board coupled with another board through mortise and tenon joint  
A front board, side boards and a rear board define the periphery of a cabinet for a keyboard musical instrument; a top board is connected to the front board through a mortise and tenon joint, and...

Matches 51 - 100 out of 301 < 1 2 3 4 5 6 7 >