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| Number | Title | Issue Date |
| 7383186 | Singing voice synthesizing apparatus with selective use of templates for attack and non-attack notes In an apparatus for synthesizing a singing voice of a song, a storage section stores template data in correspondence to various expressions applicable to music notes. The template data includes first and second template data differently defining a temporal variation... | 06/03/2008 |
| 4932303 | Percussion type electronic musical instrument having reduced abnormal vibration tone generation An electronic musical instrument includes a performance operating member, a performance operation detection unit, a self vibration detection data forming unit, a tone generation control unit, and a tone signal generator. The performance operation detectio... | 06/12/1990 |
| 4811401 | Superdistorted amplifier circuitry with normal gain An amplifier circuit for use with a guitar. It has two modes, a "clean" output mode, and a "super-distortion" mode, which mode has independent gain control prior to a distortion stage. There is also post distortion gain control.... | 03/07/1989 |
| 4683589 | Electronic audio system An electronic audio signal processor circuit particularly suited for electrical instruments as an electric bass guitar for providng controlled distortion and tone alteration. The circuitry includes a compressor circuit at the input operated in conjunction... | 07/28/1987 |
| 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 |
| 4262574 | Integrated I2 L circuit for superimposing audio-frequency electrical signals of an electronic organ An I2 L circuit for superimposing audio-frequency electrical signals in an electronic organ is provided. With each current unit of audio-frequency to be superimposed a double-collector I2 L transistor is associated, and each key is c... | 04/21/1981 |
| 4164884 | Device for producing a chorus effect A device for producing a chorus effect in an electronic musical instrument. An electronic delay circuit and a non-modulating amplifier means are coupled in parallel and the outputs are mixed in a mixing amplifier. A carrier oscillator is coupled to the de... | 08/21/1979 |
| 4000676 | Electronic vibrato system A method and means for modulating the frequency of an analog signal to achieve a vibrato effect wherein the analog signal is transmitted through an analog shift register or delay line under the control of a digital clock signal and wherein the frequency o... | 01/04/1977 |
| 3956961 | Phase-lock multiple tone generator system For use in an electronic musical instrument, such as an electronic organ, a first set of tone generators, preferably of the type where all of the notes of a musical scale are obtained by frequency division from a single frequency stable master oscillator,... | 05/18/1976 |
