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| Number | Title | Issue Date |
| 5741993 | Electronic keyboard having a discrete pitch bender Provided is an electronic keyboard, which has a sequentially variable operating terminal, that comprises: a detector for detecting an operational displacement of the sequentially variable operating terminal, a linear converter for converting into a linear... | 04/21/1998 |
| 5396023 | Wholetone musical selection device Novel shapes and interrelationships of interreactive domains for wholetone musical selection devices such as keyboards or other user interface medium are described. Chromatic glissandos are allowed on these devices. Operator choice for ascending or descen... | 03/07/1995 |
| 5119713 | Electronic musical instrument having a portamento function utilizing whole and half transformations A keyboard and a portamento bar are connected to a tone generator through a common channel assigner to use each tone generating channel either for generating a keyboard sound or for generating a portamento sound. Thus, a portamento sound can be generated ... | 06/09/1992 |
| 4892023 | Electronic keyboard percussion instrument An electronic keyboard percussion instrument includes a hammer such as a mallet, a plurality of plates, striking detection devices, and a musical tone generating section. The plates respectively correspond to note names of musical tones to be produced and... | 01/09/1990 |
| 4700605 | Electronic keyboard musical instrument with portamento or glissando play function In an electronic keyboard musical instrument with a portamento or glissando play function, a touch response detector is arranged to detect a key touch response such as a depression speed or pressure of a key depressed on a keyboard. A musical tone generat... | 10/20/1987 |
| 4699037 | Electronic musical instrument with glide function An electronic musical instrument has a keyboard, a key depression speed detector and a glide pattern generator. When any key of the keyboard is depressed, the key depression speed detector detects the speed of depressing the key and produces a signal repr... | 10/13/1987 |
| 4621557 | Electronic musical instrument An electronic musical instrument which is capable of attaining the tonal coloration and "feeling" of an acoustic instrument and wherein the pitch, timbre, and loudness of each sound which is produced can be controlled by the performer in real time in an a... | 11/11/1986 |
| 4463647 | Musical instrument Clavier multiplexing is used in the present keyboard musical instrument to reduce the number of sound generators needed by connecting them only to those notes that are depressed. The association of a tone generator with a control unit, which provides the ... | 08/07/1984 |
| 4408514 | Electronic musical instrument having portaments property In a electronic musical instrument wherein a portamento is played by supplying the pitch voltage corresponding to a subsequently depressed key to a capacitor holding the pitch voltage corresponding to a previously depressed key, the charge and discharge c... | 10/11/1983 |
| 4374482 | Vocal effect for musical instrument Apparatus for producing a chorale or vocal effect in an electronic musical instrument comprises means responsive to the playing keys of the instrument for producing an indexing signal and means responsive to the indexing signal for sequentially developing... | 02/22/1983 |
| 4365533 | Musical instrument A new, performer played, real time, multitonal, multitimbral musical instrument consists of speed and force sensitive keys in which time domain multiplexing is used to find and associate one and only one tone generator, not otherwise busy, with any key th... | 12/28/1982 |
| 4306480 | Electronic musical instrument An electronic musical instrument having a fret board and a plurality of conductive frets may be coupled to a resistance ladder of discrete resistive elements. A conductive wire or a plurality of such wires selectively making contact with at least one of t... | 12/22/1981 |
| 4270431 | Glide circuit for electronic musical instrument A circuit for producing a special effect, such as a sliding tone effect or a "Hawaiian Guitar" tonal effect, utilizes a coincidence gating circuit and a bi-stable flip-flop to control a time delay circuit connected to the tone generating circuit of an ele... | 06/02/1981 |
| 4257305 | Pressure sensitive controller for electronic musical instruments An electronic musical instrument incorporates one or more pressure sensitive push-button controllers actuable independent of the keys or other note selecting elements of the instrument to vary a corresponding number of musical parameters. The specific con... | 03/24/1981 |
| 4240318 | Portamento and glide tone generator having multimode clock circuit A musical instrument tone generator comprises a clock circuit including means for developing an interval code representing the number of musical intervals to be swept by a tone signal. An output clock signal is produced in response to the interval code fo... | 12/23/1980 |
| 4237764 | Electronic musical instruments In an electronic musical instrument of digital processing type, key codes are stored in a memory channel by channel for respective tone productions. The stored key codes are utilized for determining pitches of respective tones to be produced. Upon depress... | 12/09/1980 |
| 4213367 | Monophonic touch sensitive keyboard A keyboard for a monophonic musical instrument has a plurality of touch sensitive keys which function as variable capacitors, the capacitance depending on the force applied to the keys. The variable capacitance is detected and used to produce a variable c... | 07/22/1980 |
| 4207793 | Variable rate portamento system A portamento system is disclosed for use with an electronic musical instrument, and particularly with a monotonic keyboard instrument which utilizes master oscillator/divider elements for tone generation. The portamento system utilizes a voltage controlle... | 06/17/1980 |
| 4203338 | Trumpet and synthesizer apparatus capable of polyphonic operation There is disclosed a trumpet incorporating rotary potentiometers which are controlled by means of circular wheels coupled to the shaft of the potentiometers. By rotating the wheel, the musician can vary the resistance of the potentiometer to thereby contr... | 05/20/1980 |
| 4198892 | Tone generator for electronic musical instrument with digital glissando, portamento and vibrato A tone generator for use with an electronic musical instrument includes a binary counter operated by a binary comparator and a source of clock signals for incrementally advancing or decreasing the state of the counter from a first selected state to a seco... | 04/22/1980 |
| 4185530 | Automatic glissando A circuit intended for use with electronic organs and, more specifically, with those electronic organs in which the keyboard switches are multiplexed, and which circuit provides a method for automatically sounding in succession either the natural notes (w... | 01/29/1980 |
| 4179971 | Pitch bend apparatus for electronic musical instrument A pitch bend apparatus for electronic musical instrument having a voltage-controlled oscillator that works as a tone generator is provided with a first variable resistor for operating the pitch bend as well as a second variable resistor for setting a vary... | 12/25/1979 |
| 4178821 | Control system for an electronic music synthesizer A control system for an electronic music synthesizer includes a circuit responsive to the keying of a musical instrument for producing a binary coded signal. This signal is converted to an analog signal, for application to a music synthesizer. The analog ... | 12/18/1979 |
| 4176576 | Electronic musical instrument An electronic musical instrument in which a keyboard circuit generates scale tone voltage signals corresponding to depressed keys of a keyboard. Plural musical tone signal forming sections are connected respectively to plural output terminals of the keybo... | 12/04/1979 |
| 4152966 | Automatic chromatic glissando A keyboard operated tone synthesizer with glissando effect in which actuating individual keys successively on a keyboard produces all the intermediate notes of the chromatic scale. The time interval between notes in the scale is independently controllable... | 05/08/1979 |
| 4103581 | Constant speed portamento A keyboard operated tone synthesizer with portamento effect in which each key controls the pitch of the generated tone through a table of frequency numbers, each key selecting a corresponding frequency control number from the table and converting this num... | 08/01/1978 |
| 4085647 | Electronic musical instrument An electronic musical instrument capable of controlling tone pitch, tone color, volume etc. of a musical tone by a sliding operation to conduct such on effect as portamento. The instrument according to the invention can produce a control signal proportion... | 04/25/1978 |
| 4067254 | Frequency number controlled clocks In a musical polyphonic tone synthesizer, musical waveshapes are produced by voltage controlled oscillators. The analog frequency control voltages are created by converting stored digital numbers to analog voltages. The selection of these digital numbers ... | 01/10/1978 |
| 4038895 | Breath pressure actuated electronic musical instrument A musical instrument having a general body outline similar to that of a saxaphone. A front key panel having a plurality of keys mounted thereon is located for easy fingering access to the keys which are in the same general location as the fingering keys o... | 08/02/1977 |
| 3997863 | Helically wound pitch-determining element for electronic musical instrument A control apparatus for determining the pitch of the sound produced by an electronic music synthesizer incorporates a conductive ribbon having a manually adjustable contact with a second conductive element, the second element comprising an elongate helica... | 12/14/1976 |
| 3968716 | Musical instrument with means for scanning keys A new, performer played, real time, multitonal, multimbral musical instrument consists of speed and force sensitive keys in which time domain multiplexing is used to find and associate one and only one tone generator, not otherwise busy, with any key that... | 07/13/1976 |
| 3965789 | Electronic musical instrument effects control The keyboard type instrument includes circuitry for controlling an envelope generator and a voltage controlled oscillator which in sequence operates a voltage controlled filter, and a voltage controlled amplifier both of which receive control signals from... | 06/29/1976 |
