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4892024 Structure of keyboard used in electronic keyboard instrument  
There is disclosed a keyboard structure incorporated in an electronic keyboard instrument the keyboard structure including; a plurality of key members each having a depressible front end portion...
4782734 Keyboard keys for larger hands  
An improved keyboard includes the replacement or substitution of the original, conventional flat/sharp or black keys with a more narrower key having a width factor substantially within the range...
4777856 Dancing-musical instrument  
A new type of musical instrument and performance apparatus is disclosed and is used with the special performing art called "Instrument dance", "instrument exercise" or "instrument boxing" etc. The...
4706536 Membrane keyboard for songbook tone generator  
A membrane keyboard for e.g. a low cost electronic tone generator of the type affixed to the binding of a songbook is disclosed. The keyboard includes a base carrying a set of interdigital...
4653378 Pedal keyboard for electronic musical instrument  
A pedal keyboard for an electronic musical instrument, includes a pedal key vertically pivotal about a pivot mechanism mounted on a frame of a housing for the electronic musical instrument, a...
4628792 Modified musical instrument keyboard  
A keyboard for a musical instrument includes at least one series of keys wherein seven keys in the series and five keys correspond to the typical piano or synthesizer white and black keys,...
4570528 Keyboard for a carillon  
In a carillon or chimes keyboard, which may be a manual or a pedal set, the eys (sticks or pedals) and the frame for taking them up pivotally are provided with cooperating surfaces, one surface on...
4479415 Tracker action touch for keys in a keyboard musical instrument  
A key action for an electronic musical instrument for simulating a mechanical-type tracker action having a single means embodying an electrical contact means and a motion retarding means to cause...
4444083 Keyboard instrument, especially a piano or similar instrument  
Keyboard instrument, in particular a piano or similar instrument that has keys and that can be used in conjunction with aids to learning in the form of templates, characterized in that, of the...
4362934 Velocity sensing device using opto-electronic switches  
A musical synthesizer keyboard has a plurality of keys mounted so that each key may be displaced along and return along a locus of movement and where during travel in either direction along said...
4361738 Key-actuated switch  
This is an electrical switch mechanism actuated by a piano-style key of a musical instrument. The switch consists of a pair of cross-bar contacts, at least one of which is resiliently flexible....
4351222 Keyboard musical instrument with casing comprising two halves  
A portable electronic keyboard musical instrument comprises a casing comprising a pair of plastic-molded upper and lower shells coupled together. A plurality of keys are mounted on the upper shell...
4272657 Keyboard assembly for electronic musical instruments  
A keyboard assembly for electronic musical instruments such as electronic pianos is constructed from a key switch unit and a resilient holder block for mounting the key switch unit to a key frame...
4261242 Arrangement for chromatic and diatonic keys for carillon keyboards  
An arrangement for chromatic and diatonic keys for a carillon keyboard is provided. A guide plate has key receiving slots located such that the natural, or diatonic, keys are in a lower row and...
4217807 Stemware musical instrument  
Stemware of goblets secured in adjoining positions on a mounting board in vertical and horizontal rows, with adjacent goblets rim rubable by one hand, with the goblets in the horizontal rows...
4128036 Electro-mechanical keyboard memory for an electronic musical instrument  
In a keyboard electronic musical instrument such as an electronic organ, an electro-mechanical memory device for holding in the down or actuated position one or more simultaneously depressed...
4127051 Piano key frame  
A piano key frame assembly comprising a rigid metal frame, preferably formed from aluminum tubing, for supporting the piano keys and action, the frame having a front rail, an intermediate balance...
4099437 Remote control wireless keyboard musical instrument  
A musical instrument which comprises (i) a portable transmitter unit, (ii) a receiver unit, and (iii) a standard or modified piano, electronic organ, or other keyboard musical device. The...
4091707 Compact chord organ  
A compact chord organ which includes a unitary molded lower chamber portion and an upper chamber portion provided with integrally molded reed housings are pressed together to form a chamber. A...
4091702 String musical instrument having a keyboard  
A keyboard musical instrument comprises a plurality of juxtaposed movable key units and a plurality of juxtaposed strings, each of which has one end fixed to the corresponding key unit and the...
4054079 Keyboard and notation system  
A keyboard for a piano, organ, or similar instrument in which the keys are arranged in groups of three, each having a pair of flat keys with a raised key inset between. The flat keys are on a...
4043244 Electronic musical instrument keyboard  
A musical instrument keyboard consisting of a spring metal plate stamped into the shape of a comb with the back of the comb clamped in position and the teeth thereof mounting the keys,...
4031800 Keyboard for a musical instrument  
Geometrically, my keyboard is characterized by a two-dimensional pattern of at least six horizontal and at least six vertical rows of keys. The center-to-center spacing between adjacent keys, both...
4028979 Multiplexer for electronic musical instrument  
An electronic musical instrument has a ring oscillator incorporating a multiplicity of identical stages connected to form a ring with the output of each stage being connected to the input of the...
4027569 Keyboard for an electronic musical instrument employing variable capacitors  
A keyboard of an electronic musical instrument incorporates a plurality of variable capacitors, one for each key, with one conductor of each capacitor being connected for movement with an...
3982463 Piano-like musical instrument  
A piano-like musical instrument to be played by a group of people including individual tone blocks each played by one person using a music score coded to that one person's note. The tone blocks...
3981221 Portable keyboard  
The assembly consists of a piano type musical keyboard which includes a plurality of elongated individual pivotally mounted key bars having a key or a representative thereof positioned on one end...
3979990 Keyboard arrangement in electronic musical instrument  
A keyboard arrangement in electronic musical instrument comprising playing keys movable to cover a predetermined distance in normal play and also being able to move farther in excess of said...
3973460 Keyboard type musical instrument  
The instrument is designed to play a six tone scale on its lower digitals, which leads naturally to a simple and easily learned system of music notation. In the preferred embodiment, the six tone...
3941023 Chord button assembly  
A chord button assembly for use in electronical organs is formed as a unitary assembly. A plastic hinge strip extending the length of the chord selector button area is provided and a plurality of...
3922944 Stepping musical machine  
A stepping musical machine for physical and acoustic training of children such that stepping-boards are arranged on a jumpy sheet, a net or the like stretched in a taut condition and which is...
3916754 Musical instrument for chord accompaniment  
A musical instrument for producing chord accompaniment when at least three adjacent tone producing means are struck simultaneously. The tone producing means are uniquely arranged in pairs spaced a...
3911780 Arpeggio keyboard  
An arpeggio keyboard assembly for an electronic organ characterized by extreme simplicity and a major reduction of parts.
3897708 Electrically operated musical instrument  
This invention relates to a musical instrument operated by keys which in turn actuate change-over switches for selecting a predetermined one of a series of sound generators. The switches are...
3865004 KEYBOARD TYPE MUSICAL INSTRUMENT  
The musical instrument has a keyboard with six lower digitals per octave span; there being not more than one upper digital between each pair of adjacent lower digitals. The lower digitals of the...
3855894 KEY ASSEMBLY  
An octave of keys, as for an electronic organ, is formed as a unitary subassembly. A plastic hinge strip extending the length of an octave is provided. The sharp or black keys are formed integral...
3845685 MUSICAL INSTRUMENTS  
The musical instrument has a keyboard with five lower digitals and not more than five upper digitals per octave span; there being not more than one upper digital between each pair of adjacent...
3818114 DEVICE FOR CAUSING A TREMOLO OR LIKE EFFECT IN AN ELECTRONIC KEYBOARD MUSICAL INSTRUMENT  
Each of the playing keys of an electronic keyboard musical instrument is supported so as to be capable of moving back and forth besides turning up and down through a predetermined angle in the...
3797357 ELECTRONIC MUSICAL INSTRUMENT MECHANICAL CONSTRUCTION  
A mechanical construction for an electronic musical instrument, such as an organ, comprises a one-piece plastic key bed for mounting the keys, the stop tablet assemblies, and printed circuit...
3774493 KEY FRAME CONSTRUCTION FOR PIANOS AND LIKE MUSICAL INSTRUMENTS  
A front rail constituting a key frame for supporting the keys of a piano comprises a plurality of rectangular wooden blocks connected end to end to form an elongated rail body, and a surface...
3756113 WOODEN KEY SHANK ASSEMBLY FOR KEYBOARD MUSICAL INSTRUMENT  
A wooden key shank assembly as for a piano including a plurality of elongated key shanks juxtaposed in the order of musical notes. The key shanks each consist of a front half portion depressed by...
3750522 KEYBOARD ASSEMBLY FOR ORGAN  
An electronic organ having a piano-type keyboard for playing tones and a button region for playing chords or the like, which is economical to manufacture. The keyboard includes lever-type keys...
3745874 MUSICAL KEYBOARD  
A musical keyboard which includes at least one single molded baseplate and a fulcrum extending upwardly from the baseplate near the mid-portion thereof. A predetermined number of single molded...
3746820 PRESSURE BOARD FOR THE ELECTRICAL CONTACTS FOR AN ELECTRIC ORGAN  
A pressure board which extends over a plurality of flexible contact members so as to apply a positive pressure at the apex of the contact members to insure a firm contact point for the electrical...
3741066 MUSICAL NOTATION AND ACTUATOR SYSTEM  
A musical notation and actuator system is disclosed. The notation system includes the use of identical staves which uniquely correspond to octaves. Each of the staves includes three uniformly...
3740448 ORGAN DROP-IN KEY ASSEMBLY  
An organ is provided with a molded plastic case. The lower portion of the case has integral protuberances therein for supporting various structures including a key switch and key biasing assembly....
3735076 ELECTRONIC MUSICAL INSTRUMENT KEY-OPERATED SWITCH ASSEMBLY HAVING VIBRATION-ABSORBER ATTACHED TO MOVABLE CONTACT MEMBER  
In a key-operated switch assembly having a movable and a stationary contact member, a soft shock or vibration absorbing member is attached to the movable contact member. The shock absorbing member...
3722351 MUSICAL INSTRUMENT KEYBOARD CONSTRUCTION  
A musical instrument keyboard includes a wood key bed and a pivot-spacer member for receiving a plurality of keys. The pivot-spacer member has upwardly extending spacer posts for confining the key...
3665092 MECHANICALLY BALANCED KEYBOARD AND REED CHAMBER ASSEMBLY FOR MUSICAL INSTRUMENTS  
An air-operated musical instrument utilizing a unique keyboard and reed chamber assembly fabricated from relatively few, readily molded plastic components. The keyboard and reed chamber assembly...
3663738 KEY SUPPORTING STRUCTURE OF KEYBOARD MUSICAL INSTRUMENTS  
To improve the key supporting structure of a keyboard musical instrument, there are formed on both sides of the rear bottom plane of a key two opposite grooves extending crosswise of the key with...

Matches 201 - 250 out of 301 < 1 2 3 4 5 6 7 >