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7026537 Multiplexing system for digital signals formatted on different standards, method used therein, demultiplexing system, method used therein computer programs for the methods and information storage media for storing the computer programs  
A user is fingering a piece of music on an electronic piano in ensemble with the playback of a piece of music recorded in a compact disc; while the user is playing the piece of music, the...
6961008 Scan circuit and method for keyboard  
A keyboard scan circuit for a device receiving plural inputs simultaneously is provided. The scan circuit includes a plurality of keyboard input/output ports, each of which can be selected from a...
6815601 Method and system for delivering music  
A system for delivering music is provided, which reduces further the data amount of music to be delivered. A music delivery subsystem, which generates a delivering data from an original music data...
6501011 Sensor array MIDI controller  
A MIDI controller musical instrument ( 80 ) with buttons ( 34 ) on two sensorboards ( 54,56 ) for controlling musical notes. The buttons ( 34 ) are arranged such that the most harmonious note...
6298107 Narrowband digital cordless telephone with a logic high weak driver and a logic low strong driver for keypad interface  
A digital cordless telecommunications unit that serves for communications when paired with a similar unit and connected with a network is disclosed. The unit receives and transmits analog voice...
6198035 Musical sound signal generation apparatus  
There is disclosed a musical sound signal generation apparatus for creating vacant channels by monaural sounding, in which a left/right balance is maintained and the total sound volume can be...
6023018 Effect adding apparatus and method  
When a plurality of different effects are added to a plurality of musical notes at the same time, the plurality of musical notes are divided into a plurality of groups for musical notes, and the...
5977468 Music system of transmitting performance information with state information  
A music system is constructed by a transmitter for transmitting performance information and a receiver for receiving the performance information so as to reproduce music performance. In the...
5925842 Electronic music tone generator with power saving control  
A waveform generator LSI generates waveform data in units of time slots corresponding to tone generation channels in accordance with tone control data assigned to the individual channels, and...
5802187 Two-channel programmable sound generator with volume control  
Disclosed is a programmable sound generator for generating digital outputs of tone and noise signals used for producing computer sound effects. The programmable sound generator includes at least...
5557057 Electronic keyboard instrument  
An electronic musical instrument is designed in a generally guitar-shaped configuration with a fingerboard containing rows of keys replacing each string, one key for each string/fret position....
5442125 Signal processing apparatus for repeatedly performing a same processing on respective output channels in time sharing manner  
A signal processing apparatus according to the present invention is used as a sound source, an effecting machine and/or a communication equipment, which simultaneously generates or processes a...
5214230 Musical tone data compensation apparatus  
A musical tone data compensation apparatus which detects chord components in a performance data stored in accordance with operation of a keyboard and modifies touch data of each tone composing a...
5214229 Electronic musical instrument with tone color setting switches  
An electronic musical instrument capable of generating musical sounds of a plurality of tone colors simply by designating a plurality of tone colors simultaneously in the tone color switches. The...
5202528 Electronic musical instrument with a note detector capable of detecting a plurality of notes sounded simultaneously  
A voice input to a microphone is converted by an A/D converter to a digital signal which is then delivered to a DSP, which extracts the notes of the input voice for determining same. The processing...
5151554 High speed switch scanning apparatus  
A key matrix scanning apparatus is provided. The key matrix comprises a plurality of switches which are arranged at intersections of a plurality of input signal lines and a plurality of output...
5136913 Play control device for electronic musical instrument  
A rhythm play control device for an electronic musical instrument stores the number of operations of a single operator, and includes a memory device and a central processing unit which responds...
5115705 Modular electronic keyboard with improved signal generation  
An improved percussive action electronic keyboard for play as a musical instrument of the type having pivoted playing keys having camming surfaces distal from finger contact surfaces thereof,...
5107747 Channel assigning device  
An electronic musical instrument with a channel assigning device which includes a characteristic information generating unit for generating characteristic information of musical tone envelopes, a...
4955278 Optimization of waveform operation in electronic musical instrument  
An electronic musical instrument having a number of keys, having tone generators capable of simultaneous tone production, the tone generators being smaller in number than the number of keys. The...
4953439 Electronic musical instrument with quantized resistance strings  
For reading the frets of a stringed electronic musical instrument, a plurality of resistance wire strings are secured to a nut end and a bridge of the instrument, with the strings superposing in...
4747332 Electronic musical instrument forming tones by wave computation  
An electronic musical instrument is provided of the type in which a musical tone signal is formed by executing computations according to a mathematical formula such as a frequency modulation...
4632001 Polyphonic electronic musical instrument performing D/A conversion of tone waveshape data  
A tone generation circuit can generate digital tone signals in a plurality of channels on a time shared basis and these digital tone signals are supplied to a digital-to-analog converter provided...
4573390 Play data detecting system for electronic musical instruments  
A play data detecting system for an electronic musical instrument in which in the case of multiplexing together and scanning note select signals from key switches and function select signals from...
RE32069 Device for detecting a key switch operation  
A device for detecting a key switch operation capable of detecting an operating state of a plurality of key switches which are commonly connected with respect to each row line (block line) at one...
4539883 Electronic musical instrument performing D/A conversion of plural tone signals  
This electronic musical instrument comprises digital tone generation circuits having a plurality of tone generation channels each being capable of selecting a tone color independently from other...
4524665 Dynamic controller for sampling channels in an electronic organ having multiplexed keying  
The present invention is a circuit for controlling the sampling of plurality of channels in an electronic organ having multiplexed keying. The channels having information signals at a particular...
4475430 Differential sampling circuit for improving signal to noise ratio in an electronic organ having multiplexed keying  
The present invention is a differential sampling circuit for improving the signal to noise ratio by eliminating d.c. level distortion in square wave signals used as components for forming a...
4475428 Pedal capture keyer system  
The present invention relates to a keyer capture system for an electronic keyboard musical instrument, such as an electronic organ. The system is particularly adapted for the situation wherein a...
4472991 Key depression number processing system for keyboard circuit  
Key switches of a keyboard circuit are scanned by a counter which starts at a lower or upper limit value that is preset in the counter by a signal which also reverses the counting direction data...
4470333 Generation of musical tones from multiplexed serial data  
Multiplexed serial data from the keyboard of a musical instrument, such as an electronic organ, is delayed in a shift register to cause generation of musical tones related to the keyswitches closed...
4466097 Control signal-multiplexing circuit  
A control signal-multiplexing circuit for producing various forms of multiplexed control signals from control signals of a plurality of channels. The circuit comprises a multiplexer for...
4429604 Fill note generation system for microcomputer controlled organ  
An electronic keyboard musical instrument comprising a multiplexed keyboard and a programmable microcomputer interfaced between the keyboard and a system of capture tone generators. The loading...
4424731 Percussion generator having snub control  
A percussion generator for an electronic musical instrument, such as an electronic organ, wherein the percussion generator is responsive to a time division multiplexed serial data stream produced...
4421001 Full note generator system for an electronic organ  
A central processor for an electronic organ in the form of a single, forty pin integrated circuit chip employing multiplexed technology and trinary and tri-level inputs to obtain maximum usage from...
4408517 Pipe organ  
A pipe organ in which information relevant to actuation of keys and stops at a console of the organ is stored in random access memory, and the specifications for stops are held in pre-programmed...
4403536 Microcomputer interfaced electronic organ  
An electronic keyboard musical instrument comprising a multiplexed keyboard and a programmable microcomputer interfaced between the keyboard and a system of capture tone generators. The loading...
4402245 Electronic musical instrument with special tone generator  
In an electronic musical instrument, there are provided a main musical tone generator for producing a main musical tone and a submusical tone generator for producing a submusical tone different...
4402242 Electronic musical instrument by time division multiplexed tone selection  
An electronic musical instrument comprises a plurality of key switches and a key switch scanning circuit for sequentially scanning said key switches at a predetermined speed to produce time...
4401005 Electronic keyboard-operated musical instrument  
An electronic organ has a digital control circuit with a sampling circuit (3) which generates key identification signals (B) in the form of pulse series wherein the pulses denote the actuated keys...
4395930 Tone generator for an electronic musical instrument  
Polyphonic sound may be produced through the use of a tone generator which divides the high frequency output of a clock pulse generator by numbers which are allocated to individual keys or pedals...
4379422 Polyphonic electronic music system  
Simultaneously played notes on a keyboard are automatically provided with different voice timbres. The assignment of voices to notes is by relative frequency-scale position within the chord. If...
4375176 Keyboard latch for electronic organ  
An electronic organ having a scanned keyboard manual (10) includes a keyboard latch (24) interposed between the scanning apparatus (12) and the organ keyers (26). The keyboard latch (24) comprises...
4373415 Electronic musical instrument  
An electronic musical instrument in which a single manual keyboard is provided with two voicing blocks which has a certain keyboard space interval therebetween and at least one of which generates a...
4366738 Multiplexing system for organ having plural manuals  
An electronic organ, particularly of the institutional type employing classical voicing, having Swell and Great manuals as well as a full pedalboard wherein the manuals and pedalboard are...
4361065 Integrated central processor for electronic organ  
A central processor for an electronic organ in the form of a single, forty pin integrated circuit chip employing multiplexed technology and trinary and tri-level inputs to obtain maximum usage from...
RE31090 Electronic musical instrument  
A tone production assignment circuit produces control information representing assigned key code, key-on etc. Such information has a large number of bits with respect to each channel. A...
4358981 Mixture generator for electronic organ  
An electronic organ, particularly of the institutional type employing classical voicing, having Swell and Great manuals as well as a full pedalboard wherein the manuals and pedalboard are...
4357849 Key switch information assignor  
A key switch information assignor having a data processor unit which produces keyboard and octave codes which serve to poll and interrogate a keyboard circuit. In response to the polling, the...
4354413 Accompaniment tone generator for electronic musical instrument  
The tone production system for an electronic musical instrument comprises depressed key detection means for outputting pulses at a timing corresponding to a key depressed by time division timings...
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