Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7335834 | Musical composition data creation device and method An apparatus and a method for making music data each perform converting an input audio signal indicative of a music piece into a frequency signal indicative of magnitudes of frequency components at predetermined time intervals; extracting frequency components corres... | 02/26/2008 |
| 7149903 | System and method for signal delay in an adaptive voltage scaling slack detector A system and method for slack determination in a logic integrated circuit. A launch pulse is input to a circular delay loop circuit. The leading edge of the launch pulse causes a pulse to circulate around the circular delay loop. The number of passes made through th... | 12/12/2006 |
| 7106127 | Temperature sensor and method for detecting trip temperature of a temperature sensor A comparator circuit of a temperature sensor includes an output node and a variable current node. The output node is a first voltage at a given temperature when a current at the variable current node is less than a threshold current, and a different second voltage a... | 09/12/2006 |
| 6937087 | Temperature sensor and method for detecting trip temperature of a temperature sensor A comparator circuit of a temperature sensor includes an output node and a variable current node. The output node is a first voltage at a given temperature when a current at the variable current node is less than a threshold current, and a different second voltage a... | 08/30/2005 |
| 6121534 | Natural-scale tone-generator apparatus for MIDI musical keyboards After centuries of compromise and frustration, the unacceptable distortion created by equal-tempered-scale tuning can finally be eliminated and a musical keyboard instrument will be able to produce perfect harmony in any playing key. The invention is a na... | 09/19/2000 |
| 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 parallel relationship over a plurality of conducting frets m... | 09/04/1990 |
| 4911052 | Key assigner system for electronic musical instrument A key assigner system for an electronic musical instrument having an assignment memory assignment channel number N equal to or less than the number of signal sources of a musical tone signal generator for storing information such as a key number and/or an... | 03/27/1990 |
| 4765218 | Electronic keyboard musical instrument with processing of depression dynamics A keyboard circuit for an electronic musical instrument which, with the depression of a key, couples an AC signal to an allocated multiplexer input. The output of the multiplexer is connected via a rectifier and a sample-and-hold circuit to a depression r... | 08/23/1988 |
| 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 stairstep or bright wave signal in an electronic organ having mul... | 10/09/1984 |
| 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 by scanning the keys of the keyboard. A control pulse is pr... | 01/10/1984 |
| 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 (2) of the keyboard (1). Such pulses cause a tone selector... | 08/30/1983 |
| 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 a gate (42) for comparing the serial data pulses, each of ... | 03/01/1983 |
| 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 multiple tone corresponding to keys being depressed. Ther... | 02/15/1983 |
| 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 |
| 4353278 | Chord generating apparatus of electronic musical instrument A chord generating apparatus of an electronic musical instrument is provided with a selector which selects a single key among a plurality of depressed keys, a detector for detecting a chord type according to types of keys other than the selected key, and ... | 10/12/1982 |
| 4333375 | Electronic musical instrument having time multiplexed keying system A keying system for an electronic musical instrument incorporates time division multiplexing of the individual frequency component signals which are combined to synthesize musical notes or tones. A signal generator provides the fundamental and various har... | 06/08/1982 |
| 4318326 | Plural manual organ having transposer 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 multiplexed simultaneously to produce a plurality of synchronized s... | 03/09/1982 |
| 4306481 | Dynamic one finger chording system A dynamic one finger chording system with memory is connected in parallel relationship to the d.c. keying lines connecting a select number of keys of the manual to a standard keyer circuit of an electronic organ. The one finger chording system scans each ... | 12/22/1981 |
| 4299153 | Touch responsive envelope control for electronic musical instrument A touch responsive tonal envelope waveshape control system is provided for an electronic musical instrument which includes cooperating tone generating and keying circuits which are responsive to actuation of a key for initiating the generation and keying ... | 11/10/1981 |
| 4296666 | Solo sustain keyer system An integrated keyer system for use in electronic organs comprising a plurality of discrete integrated circuit chips each corresponding to two adjacent octaves of the keyboard and connected in series to accommodate the entire keyboard. The keyer system is ... | 10/27/1981 |
| 4296665 | Fill note generator for electronic organ A fill note generator for use in electronic musical instruments such as electronic organs which include a keyboard having a solo portion customarily played by the right hand and an accompaniment portion customarily played by the left hand, and wherein the... | 10/27/1981 |
| 4294155 | Electronic musical instrument An electronic musical keyboard instrument that is controlled by a digital processor. Key and stops/effects statuses are sampled, during successive time intervals, and read into random access memory associated with the digital processor. After manipulation... | 10/13/1981 |
| 4228714 | Multiplex chime generator A multiple pitch generator, in particular a chime generator, incorporated in an electronic organ of the multiplexed variety wherein the keyboard is scanned and a cyclically recurring serial data stream produced wherein keydown pulses appear in time slots ... | 10/21/1980 |
| 4227432 | Electronic musical instrument having multiplexed keying An electronic musical instrument having tone signal sources and keyers for the tone signal sources has a time division multiplexer for multiplexing the key-down information in groups such as for the upper manual, lower manual and pedals. The keyers are pr... | 10/14/1980 |
| 4220068 | Method and apparatus for rhythmic note pattern generation in electronic organs A circuit for an electronic organ for producing rhythmic patterns of notes in accordance with the selection of a chord in the accompaniment manual. The organ includes an accompaniment manual and a solo manual, either or both of which may be electronically... | 09/02/1980 |
| 4210054 | High note priority monophonic brass keyer system A brass keyer system for an electronic organ wherein the keyboard is multiplexed to produce a polyphonic serial data stream, which is then converted to a monophonic serial data stream containing a keydown signal in a time slot corresponding to the highest... | 07/01/1980 |
| 4205581 | Keyer system An organ keyer system, especially a keyer system operated by logic level signals, such as occur in multiplexing. The keyer system herein described is especially intended for manufacture by large scale integration techniques, and is designed to provide for the ... | 06/03/1980 |
| 4197777 | Automatic chord control circuit for electronic musical instruments An automatic chord control system is readily incorporated in an electronic organ by means of large scale integrated circuit chips. The automatic chord control causes a chord or group of notes within an octave played on the lower manual keyboard to play th... | 04/15/1980 |
| 4182209 | Waveform generator A waveform generator used for electronic musical instruments comprising a resistance device having a plurality of power source electrodes and a plurality of potential detecting electrodes. Electric current is supplied to the power source electrodes and po... | 01/08/1980 |
| 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 |
| 4148240 | Percussion simulating techniques The disclosure describes an improved electronic musical instrument capable of simulating a sound resulting from the striking of a natural percussion instrument. The electronic instrument includes playable keys, a tone signal generator for generating tone ... | 04/10/1979 |
| 4147085 | Electronic organ having memory circuit An electronic organ having at least a portion of the keyboard connected with the corresponding keyers by a multiplexing system consisting of a multiplexer at the keyboard end of the system. A control circuit is interposed between the multiplexer and the d... | 04/03/1979 |
| 4141270 | Modulated keyer supply sampling circuit In a chopper keyer electronic organ system, a sampling network samples the drawbar inputs to the chopper keyers in order to provide a separate channel of percussion. The drawbar lines for one or more of the footages are sampled and the sample signal is am... | 02/27/1979 |
| 4134323 | Spatially separated tonal effects for an electronic musical instrument Spatially separated high frequency tonal effects from an electronic musical instrument having less tone generators than keys selectable. A high frequency speaker system is provided in addition to the normal audio system. The audio signals produced by the ... | 01/16/1979 |
| 4112802 | Organ circuitry for providing fill notes and method of operating the organ An organ circuitry for providing fill notes and a method of operating the organ in which a circuit is provided which adds fill notes automatically in the multiplexed solo manual of an electronic organ, by detecting the first pulse encountered by the multi... | 09/12/1978 |
| 4108037 | Electronic organ having different selectable modes of playing the accompaniment keyboard An electronic organ having solo, accompaniment, and pedal keyboards, or manuals, and adjustable into different modes of playing for at least the accompaniment keyboard. In a first playing mode, the accompaniment keyboard plays in a conventional manner wit... | 08/22/1978 |
| 4067253 | Electronic tone-generating system A tone-generating system for an electronic musical instrument of the percussion type is provided wherein an audible tone closely approximating the corresponding tone of a conventional instrument is generated electronically. A single-pole, double-throw swi... | 01/10/1978 |
| 4055103 | Electronic musical instrument using integrated circuit components The embodiment of the invention disclosed herein is directed to an electronic musical instrument of the keyboard type wherein the audio frequency signal information is derived from a multi-frequency generator formed by an electronic oscillator and a plura... | 10/25/1977 |
| 4038897 | Electronic music system and stringed instrument input device therefor An electronic music system includes a voltage controlled tone generator, or synthesizer, and an input device, in the form of a guitar or other fretted stringed instrument and associated electronic circuitry, for sequentially providing voltage signals, sel... | 08/02/1977 |
| 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 succeeding stage. Each stage has an RC time constant circuit... | 06/14/1977 |
