US3515792A - Digital organ - Google Patents
Digital organ Download PDFInfo
- Publication number
- US3515792A US3515792A US660997A US3515792DA US3515792A US 3515792 A US3515792 A US 3515792A US 660997 A US660997 A US 660997A US 3515792D A US3515792D A US 3515792DA US 3515792 A US3515792 A US 3515792A
- Authority
- US
- United States
- Prior art keywords
- digital organ
- organ
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
- G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
- G10H7/12—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform by means of a recursive algorithm using one or more sets of parameters stored in a memory and the calculated amplitudes of one or more preceding sample points
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66099767A | 1967-08-16 | 1967-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| US3515792A true US3515792A (en) | 1970-06-02 |
| US3515792B1 US3515792B1 (en) | 1987-08-18 |
Family
ID=24651766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US660997A Expired - Lifetime US3515792A (en) | 1967-08-16 | 1967-08-16 | Digital organ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3515792A (en) |
| BE (1) | BE733251A (en) |
Cited By (143)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585891A (en) * | 1969-05-23 | 1971-06-22 | Wurlitzer Co | An electronic rhythm generator particularly suitable for integrated circuitry |
| US3610805A (en) * | 1969-10-30 | 1971-10-05 | North American Rockwell | Attack and decay system for a digital electronic organ |
| US3610803A (en) * | 1969-09-15 | 1971-10-05 | Motorola Inc | Chord storing apparatus for electric organ |
| US3629480A (en) * | 1970-04-10 | 1971-12-21 | Baldwin Co D H | Rhythmic accompaniment system employing randomness in rhythm generation |
| US3683096A (en) * | 1971-03-15 | 1972-08-08 | Richard H Peterson | Electronic player system for electrically operated musical instruments |
| US3696201A (en) * | 1970-11-12 | 1972-10-03 | Wurlitzer Co | Digital organ system |
| DE2237594A1 (en) * | 1971-07-31 | 1973-02-15 | Nippon Musical Instruments Mfg | ELECTRONIC MUSICAL INSTRUMENTS THAT SCAN STORED WAVEFORMS FOR SOUND GENERATION AND CONTROL |
| US3740450A (en) * | 1971-12-06 | 1973-06-19 | North American Rockwell | Apparatus and method for simulating chiff in a sampled amplitude electronic organ |
| US3749837A (en) * | 1972-05-02 | 1973-07-31 | J Doughty | Electronic musical tone modifier for musical instruments |
| US3755608A (en) * | 1971-12-06 | 1973-08-28 | North American Rockwell | Apparatus and method for selectively alterable voicing in an electrical instrument |
| US3763364A (en) * | 1971-11-26 | 1973-10-02 | North American Rockwell | Apparatus for storing and reading out periodic waveforms |
| JPS4889714A (en) * | 1972-02-26 | 1973-11-22 | ||
| US3794748A (en) * | 1971-12-06 | 1974-02-26 | North American Rockwell | Apparatus and method for frequency modulation for sampled amplitude signal generating system |
| JPS4944732A (en) * | 1972-08-31 | 1974-04-27 | ||
| US3809786A (en) * | 1972-02-14 | 1974-05-07 | Deutsch Res Lab | Computor organ |
| US3809790A (en) * | 1973-01-31 | 1974-05-07 | Nippon Musical Instruments Mfg | Implementation of combined footage stops in a computor organ |
| US3809789A (en) * | 1972-12-13 | 1974-05-07 | Nippon Musical Instruments Mfg | Computor organ using harmonic limiting |
| US3809792A (en) * | 1973-01-05 | 1974-05-07 | Nippon Musical Instruments Mfg | Production of celeste in a computor organ |
| US3809788A (en) * | 1972-10-17 | 1974-05-07 | Nippon Musical Instruments Mfg | Computor organ using parallel processing |
| JPS4984220A (en) * | 1972-12-15 | 1974-08-13 | ||
| US3831015A (en) * | 1972-06-08 | 1974-08-20 | Intel Corp | System for generating a multiplicity of frequencies from a single reference frequency |
| US3844379A (en) * | 1971-12-30 | 1974-10-29 | Nippon Musical Instruments Mfg | Electronic musical instrument with key coding in a key address memory |
| DE2414773A1 (en) * | 1973-04-20 | 1974-11-07 | Hammond Corp | AUTOMATIC RYTHM PROGRAM DEVICE FOR AN ELECTRIC MUSICAL INSTRUMENT |
| JPS49117020A (en) * | 1973-03-10 | 1974-11-08 | ||
| JPS49130214A (en) * | 1973-04-14 | 1974-12-13 | ||
| US3859884A (en) * | 1971-12-15 | 1975-01-14 | Dillon Ross Grable | Tone generator |
| US3875842A (en) * | 1974-08-23 | 1975-04-08 | Nat Semiconductor Corp | Multiplexing system for selection of notes in an electronic musical instrument |
| US3878750A (en) * | 1973-11-21 | 1975-04-22 | Charles A Kapps | Programmable music synthesizer |
| US3882751A (en) * | 1972-12-14 | 1975-05-13 | Nippon Musical Instruments Mfg | Electronic musical instrument employing waveshape memories |
| JPS5081527A (en) * | 1973-11-20 | 1975-07-02 | ||
| JPS5084230A (en) * | 1973-11-24 | 1975-07-08 | ||
| US3894463A (en) * | 1973-11-26 | 1975-07-15 | Canadian Patents Dev | Digital tone generator |
| US3898905A (en) * | 1974-03-04 | 1975-08-12 | Hammond Corp | Monophonic electronic musical instrument |
| US3902397A (en) * | 1973-01-12 | 1975-09-02 | Chicago Musical Instr Co | Electronic musical instrument with variable amplitude time encoded pulses |
| US3908504A (en) * | 1974-04-19 | 1975-09-30 | Nippon Musical Instruments Mfg | Harmonic modulation and loudness scaling in a computer organ |
| US3910150A (en) * | 1974-01-11 | 1975-10-07 | Nippon Musical Instruments Mfg | Implementation of octave repeat in a computor organ |
| US3913442A (en) * | 1974-05-16 | 1975-10-21 | Nippon Musical Instruments Mfg | Voicing for a computor organ |
| US3915047A (en) * | 1974-01-02 | 1975-10-28 | Ibm | Apparatus for attaching a musical instrument to a computer |
| JPS5033408B1 (en) * | 1971-07-30 | 1975-10-30 | ||
| JPS5033407B1 (en) * | 1971-07-30 | 1975-10-30 | ||
| DE2524062A1 (en) * | 1974-05-31 | 1975-12-11 | Nippon Musical Instruments Mfg | ELECTRONIC MUSICAL INSTRUMENT WITH VIBRATO GENERATION |
| JPS50156418A (en) * | 1974-06-06 | 1975-12-17 | ||
| JPS50156420A (en) * | 1974-06-06 | 1975-12-17 | ||
| US3929053A (en) * | 1974-04-29 | 1975-12-30 | Nippon Musical Instruments Mfg | Production of glide and portamento in an electronic musical instrument |
| JPS513216A (en) * | 1974-06-26 | 1976-01-12 | Kawai Musical Instr Mfg Co | |
| US3935781A (en) * | 1973-08-03 | 1976-02-03 | Nippon Gakki Seizo Kabushiki Kaisha | Voice presetting system in electronic musical instruments |
| JPS5120814A (en) * | 1974-08-12 | 1976-02-19 | Shuichi Takahashi | |
| US3945290A (en) * | 1973-02-24 | 1976-03-23 | Wersi-Electronic Gmbh & Co. Kg | Device for producing a vibrato effect for accoustic signals |
| JPS5139115A (en) * | 1974-09-30 | 1976-04-01 | Kawai Musical Instr Mfg Co | |
| US3951030A (en) * | 1974-09-26 | 1976-04-20 | Nippon Gakki Seizo Kabushiki Kaisha | Implementation of delayed vibrato in a computor organ |
| US3955459A (en) * | 1973-06-12 | 1976-05-11 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument |
| JPS5154422A (en) * | 1974-11-08 | 1976-05-13 | Pioneer Electronic Corp | |
| JPS5157432A (en) * | 1974-11-15 | 1976-05-19 | Matsushita Electric Ind Co Ltd | |
| JPS5158320A (en) * | 1974-11-18 | 1976-05-21 | Matsushita Electric Ind Co Ltd | |
| JPS5158319A (en) * | 1974-11-18 | 1976-05-21 | Matsushita Electric Ind Co Ltd | |
| JPS5158322A (en) * | 1974-11-18 | 1976-05-21 | Matsushita Electric Ind Co Ltd | |
| JPS5158927A (en) * | 1974-11-19 | 1976-05-22 | Matsushita Electric Ind Co Ltd | |
| JPS5158931A (en) * | 1974-11-20 | 1976-05-22 | Matsushita Electric Ind Co Ltd | |
| JPS5158928A (en) * | 1974-11-19 | 1976-05-22 | Matsushita Electric Ind Co Ltd | |
| JPS5158932A (en) * | 1974-11-20 | 1976-05-22 | Matsushita Electric Ind Co Ltd | |
| JPS5158938A (en) * | 1974-11-20 | 1976-05-22 | Matsushita Electric Ind Co Ltd | |
| JPS5158929A (en) * | 1974-11-19 | 1976-05-22 | Matsushita Electric Ind Co Ltd | |
| US3959604A (en) * | 1975-04-07 | 1976-05-25 | International Business Machines Corporation | Digital calling signal tone generating circuitry |
| JPS5160515A (en) * | 1974-11-22 | 1976-05-26 | Matsushita Electric Ind Co Ltd | |
| JPS5178221A (en) * | 1974-12-27 | 1976-07-07 | Kawai Musical Instr Mfg Co | Denshigatsukini okeru biburaatokokasochi |
| JPS5178314A (en) * | 1974-12-28 | 1976-07-07 | Kawai Musical Instr Mfg Co | Denshigatsukitono hakeikeiseisochi |
| US3968717A (en) * | 1971-06-01 | 1976-07-13 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| US3968716A (en) * | 1971-06-01 | 1976-07-13 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| US3969969A (en) * | 1971-06-01 | 1976-07-20 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| US3969968A (en) * | 1971-06-01 | 1976-07-20 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| JPS5194909A (en) * | 1974-11-15 | 1976-08-20 | ||
| US3982460A (en) * | 1974-09-17 | 1976-09-28 | Kabushiki Kaisha Kawai Gakki Seisakusho | Musical-tone-waveform forming apparatus for an electronic musical instrument |
| US3982461A (en) * | 1974-06-06 | 1976-09-28 | Kabushiki Kaisha Kawai Gakki Seisakusho | Musical-tone signal forming apparatus for electronic musical instrument |
| US3986423A (en) * | 1974-12-11 | 1976-10-19 | Oberheim Electronics Inc. | Polyphonic music synthesizer |
| DE2635424A1 (en) * | 1975-08-11 | 1977-02-24 | Deutsch Res Lab | POLYPHONIC MUSICAL INSTRUMENT (POLYPHONIC SOUND GENERATOR) |
| US4023454A (en) * | 1975-08-28 | 1977-05-17 | Kabushiki Kaisha Dawai Gakki Seisakusho | Tone source apparatus for an electronic musical instrument |
| US4026180A (en) * | 1974-05-31 | 1977-05-31 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument |
| US4033219A (en) * | 1975-02-27 | 1977-07-05 | Nippon Gakki Seizo Kabushiki Kaisha | Touch responsive control system for a keyboard electronic musical instrument |
| US4036096A (en) * | 1974-07-11 | 1977-07-19 | Nippon Gakki Seizo Kabushiki Kaisha | Musical tone waveshape generator |
| US4041825A (en) * | 1974-10-15 | 1977-08-16 | Pascetta Armand N | Keyboard assignment system for a polyphonic electronic musical instrument |
| US4046047A (en) * | 1975-08-11 | 1977-09-06 | Warwick Electronics Inc. | Note selector circuit for electronic musical instrument |
| US4059040A (en) * | 1974-09-11 | 1977-11-22 | Kabushiki Kaisha Kawai Gakki Seisakusho | Tone-source apparatus for electronic musical instrument |
| JPS52156523U (en) * | 1977-05-11 | 1977-11-28 | ||
| US4073209A (en) * | 1976-04-09 | 1978-02-14 | Kimball International, Inc. | Method and circuitry for digital-analog frequency generation |
| US4083282A (en) * | 1976-08-18 | 1978-04-11 | Deutsch Research Laboratories, Ltd. | Alterable voice for electronic musical instrument |
| US4108036A (en) * | 1975-07-31 | 1978-08-22 | Slaymaker Frank H | Method of and apparatus for electronically generating musical tones and the like |
| US4111090A (en) * | 1976-10-18 | 1978-09-05 | Kawai Musical Instrument Mfg. Co. Ltd. | Noise reduction circuit for a digital tone generator |
| US4128032A (en) * | 1974-11-14 | 1978-12-05 | Matsushita Electric Industrial Co., Ltd. | Electronic music instrument |
| US4130043A (en) * | 1975-12-16 | 1978-12-19 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument having filter-and-delay loop for tone production |
| US4133242A (en) * | 1976-03-05 | 1979-01-09 | Nippon Gakki Seizo Kabushiki Kaisha | Waveshape memory type electronic musical instrument |
| US4177706A (en) * | 1976-09-08 | 1979-12-11 | Greenberger Alan J | Digital real time music synthesizer |
| US4178821A (en) * | 1976-07-14 | 1979-12-18 | M. Morell Packaging Co., Inc. | Control system for an electronic music synthesizer |
| US4178826A (en) * | 1976-10-08 | 1979-12-18 | Nippon Gakki Seizo Kabushiki Kaisha | Envelope generator |
| US4178822A (en) * | 1977-06-07 | 1979-12-18 | Alonso Sydney A | Musical synthesis envelope control techniques |
| US4183275A (en) * | 1977-10-26 | 1980-01-15 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument |
| US4185532A (en) * | 1976-09-29 | 1980-01-29 | Nippon Gakki Seizo Kabushiki Kaisha | Envelope generator |
| JPS5528072A (en) * | 1978-08-21 | 1980-02-28 | Nippon Musical Instruments Mfg | Electronic musical instrument |
| US4201109A (en) * | 1977-08-15 | 1980-05-06 | Kabushiki Kaisha Kawai Gakki Seisakusho | Envelope waveform generator for electronic musical instruments |
| US4202234A (en) * | 1976-04-28 | 1980-05-13 | National Research Development Corporation | Digital generator for musical notes |
| FR2440051A1 (en) * | 1978-04-26 | 1980-05-23 | Parodi Alexandre | Programmable electronic sound synthesiser - enables single and effective sound variations to be made in generated poly-phonic sounds struck as chords |
| US4213366A (en) * | 1977-11-08 | 1980-07-22 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument of wave memory reading type |
| DE3004720A1 (en) * | 1979-02-09 | 1980-08-21 | Shuichi Takahashi | ELECTRONIC MUSIC INSTRUMENT |
| US4223582A (en) * | 1977-10-26 | 1980-09-23 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument by nonlinearly addressing waveform memory |
| WO1980002766A1 (en) * | 1979-06-07 | 1980-12-11 | Y Mitsuhashi | Method of calculation of polynomials by accumulation and apparatus therefor,and method of synthesizing musical tone waveforms by means of the system |
| US4253366A (en) * | 1978-06-20 | 1981-03-03 | The Wurlitzer Company | Large scale integrated circuit chip for an electronic organ |
| DE3032025A1 (en) * | 1979-08-24 | 1981-03-12 | Sony Corp., Tokyo | SIGNAL CURRENT SYNTHESIZER |
| US4258602A (en) * | 1977-07-12 | 1981-03-31 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic keyboard musical instrument of wave memory reading type |
| US4267761A (en) * | 1977-10-06 | 1981-05-19 | Kawai Musical Instrument Mfg. Co. Ltd. | Musical tone generator utilizing digital sliding formant filter |
| US4282790A (en) * | 1978-08-29 | 1981-08-11 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument |
| US4287805A (en) * | 1980-04-28 | 1981-09-08 | Norlin Industries, Inc. | Digital envelope modulator for digital waveform |
| US4306482A (en) * | 1977-10-15 | 1981-12-22 | Casio Computer Co., Ltd. | System for generating sample tones on an electronic musical instrument |
| USRE30906E (en) * | 1976-10-08 | 1982-04-20 | Nippon Gakki Seizo Kabushiki Kaisha | Envelope generator |
| US4326260A (en) * | 1980-07-07 | 1982-04-20 | Norlin Industries, Inc. | Linear piecewise waveform generator for an electronic musical instrument |
| US4326276A (en) * | 1979-12-04 | 1982-04-20 | Scovill Inc. | Musical door chime preferably also combined with a clock for annunciating the time |
| US4328731A (en) * | 1977-07-15 | 1982-05-11 | Kabushiki Kaisha Suwa Seikosha | Electronic tone generator |
| US4345500A (en) * | 1980-04-28 | 1982-08-24 | New England Digital Corp. | High resolution musical note oscillator and instrument that includes the note oscillator |
| US4351219A (en) * | 1980-09-25 | 1982-09-28 | Kimball International, Inc. | Digital tone generation system utilizing fixed duration time functions |
| US4365533A (en) * | 1971-06-01 | 1982-12-28 | Melville Clark, Jr. | Musical instrument |
| US4375178A (en) * | 1981-03-20 | 1983-03-01 | Allen Organ Company | Dynamic frequency modulation controller for an electronic musical instrument |
| US4384505A (en) * | 1980-06-24 | 1983-05-24 | Baldwin Piano & Organ Company | Chorus generator system |
| US4392406A (en) * | 1981-06-22 | 1983-07-12 | Kimball International, Inc. | Switched capacitor sine wave generator and keyer |
| US4437379A (en) | 1980-11-29 | 1984-03-20 | Nippon Gakki Seizo Kabushiki Kaisha | Electronic musical instrument of waveform memory readout type |
| US4446770A (en) * | 1980-09-25 | 1984-05-08 | Kimball International, Inc. | Digital tone generation system utilizing fixed duration time functions |
| DE3406042A1 (en) * | 1983-02-21 | 1984-08-30 | Casio Computer Co., Ltd., Tokio/Tokyo | WAVEFORM DATA GENERATING DEVICE |
| US4475431A (en) * | 1978-03-18 | 1984-10-09 | Casio Computer Co., Ltd. | Electronic musical instrument |
| EP0030390B1 (en) * | 1979-12-10 | 1987-03-25 | Nec Corporation | Sound synthesizer |
| US4825364A (en) * | 1970-12-28 | 1989-04-25 | Hyatt Gilbert P | Monolithic data processor with memory refresh |
| US4896260A (en) * | 1970-12-28 | 1990-01-23 | Hyatt Gilbert P | Data processor having integrated circuit memory refresh |
| US4967635A (en) * | 1976-04-06 | 1990-11-06 | Yamaha Corporation | Electronic musical instrument |
| US5262581A (en) * | 1990-11-09 | 1993-11-16 | Rodgers Instrument Corporation | Method and apparatus for reading selected waveform segments from memory |
| US5594908A (en) * | 1989-12-27 | 1997-01-14 | Hyatt; Gilbert P. | Computer system having a serial keyboard, a serial display, and a dynamic memory with memory refresh |
| US5615380A (en) * | 1969-11-24 | 1997-03-25 | Hyatt; Gilbert P. | Integrated circuit computer system having a keyboard input and a sound output |
| US5668338A (en) * | 1994-11-02 | 1997-09-16 | Advanced Micro Devices, Inc. | Wavetable audio synthesizer with low frequency oscillators for tremolo and vibrato effects |
| US5731767A (en) * | 1994-02-04 | 1998-03-24 | Sony Corporation | Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method |
| US5742695A (en) * | 1994-11-02 | 1998-04-21 | Advanced Micro Devices, Inc. | Wavetable audio synthesizer with waveform volume control for eliminating zipper noise |
| US5753841A (en) * | 1995-08-17 | 1998-05-19 | Advanced Micro Devices, Inc. | PC audio system with wavetable cache |
| US5847304A (en) * | 1995-08-17 | 1998-12-08 | Advanced Micro Devices, Inc. | PC audio system with frequency compensated wavetable data |
| US5901234A (en) * | 1995-02-14 | 1999-05-04 | Sony Corporation | Gain control method and gain control apparatus for digital audio signals |
| US6047073A (en) * | 1994-11-02 | 2000-04-04 | Advanced Micro Devices, Inc. | Digital wavetable audio synthesizer with delay-based effects processing |
| US6246774B1 (en) | 1994-11-02 | 2001-06-12 | Advanced Micro Devices, Inc. | Wavetable audio synthesizer with multiple volume components and two modes of stereo positioning |
| US6272465B1 (en) | 1994-11-02 | 2001-08-07 | Legerity, Inc. | Monolithic PC audio circuit |
| US6442104B1 (en) | 1982-08-13 | 2002-08-27 | James Jefferson Ridgell, Jr. | Underwater background-acoustics synthesizer system and method |
| US20060201312A1 (en) * | 2003-03-28 | 2006-09-14 | Carlo Zinato | Method and electronic device used to synthesise the sound of church organ flue pipes by taking advantage of the physical modelling technique of acoustic instruments |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1369764A (en) * | 1916-11-07 | 1921-02-22 | Western Electric Co | Photo-electric translating device |
| US2030248A (en) * | 1933-11-10 | 1936-02-11 | Eremeeff Ivan | Apparatus for producing synthetic electronic sound |
| US3015979A (en) * | 1957-11-29 | 1962-01-09 | Davis Merlin | Electronic musical instrument |
| US3197543A (en) * | 1958-08-05 | 1965-07-27 | Dimension Inc | Photoelectric organ |
| US3424851A (en) * | 1965-08-31 | 1969-01-28 | Weitzner D | Printed sheet music reading and playing device |
-
1967
- 1967-08-16 US US660997A patent/US3515792A/en not_active Expired - Lifetime
-
1969
- 1969-05-19 BE BE733251D patent/BE733251A/xx not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1369764A (en) * | 1916-11-07 | 1921-02-22 | Western Electric Co | Photo-electric translating device |
| US2030248A (en) * | 1933-11-10 | 1936-02-11 | Eremeeff Ivan | Apparatus for producing synthetic electronic sound |
| US3015979A (en) * | 1957-11-29 | 1962-01-09 | Davis Merlin | Electronic musical instrument |
| US3197543A (en) * | 1958-08-05 | 1965-07-27 | Dimension Inc | Photoelectric organ |
| US3424851A (en) * | 1965-08-31 | 1969-01-28 | Weitzner D | Printed sheet music reading and playing device |
Cited By (174)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585891A (en) * | 1969-05-23 | 1971-06-22 | Wurlitzer Co | An electronic rhythm generator particularly suitable for integrated circuitry |
| US3610803A (en) * | 1969-09-15 | 1971-10-05 | Motorola Inc | Chord storing apparatus for electric organ |
| US3743755A (en) * | 1969-10-30 | 1973-07-03 | North American Rockwell | Method and apparatus for addressing a memory at selectively controlled rates |
| US3610805A (en) * | 1969-10-30 | 1971-10-05 | North American Rockwell | Attack and decay system for a digital electronic organ |
| US3610806A (en) * | 1969-10-30 | 1971-10-05 | North American Rockwell | Adaptive sustain system for digital electronic organ |
| US3610800A (en) * | 1969-10-30 | 1971-10-05 | North American Rockwell | Digital electronic keyboard instrument with automatic transposition |
| US3610799A (en) * | 1969-10-30 | 1971-10-05 | North American Rockwell | Multiplexing system for selection of notes and voices in an electronic musical instrument |
| US3639913A (en) * | 1969-10-30 | 1972-02-01 | North American Rockwell | Method and apparatus for addressing a memory at selectively controlled rates |
| US5615380A (en) * | 1969-11-24 | 1997-03-25 | Hyatt; Gilbert P. | Integrated circuit computer system having a keyboard input and a sound output |
| US3629480A (en) * | 1970-04-10 | 1971-12-21 | Baldwin Co D H | Rhythmic accompaniment system employing randomness in rhythm generation |
| US3696201A (en) * | 1970-11-12 | 1972-10-03 | Wurlitzer Co | Digital organ system |
| US4825364A (en) * | 1970-12-28 | 1989-04-25 | Hyatt Gilbert P | Monolithic data processor with memory refresh |
| US4896260A (en) * | 1970-12-28 | 1990-01-23 | Hyatt Gilbert P | Data processor having integrated circuit memory refresh |
| US3683096A (en) * | 1971-03-15 | 1972-08-08 | Richard H Peterson | Electronic player system for electrically operated musical instruments |
| US4365533A (en) * | 1971-06-01 | 1982-12-28 | Melville Clark, Jr. | Musical instrument |
| US3969968A (en) * | 1971-06-01 | 1976-07-20 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| US3969969A (en) * | 1971-06-01 | 1976-07-20 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| US3968716A (en) * | 1971-06-01 | 1976-07-13 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| US3968717A (en) * | 1971-06-01 | 1976-07-13 | Melville Clark, Jr. | Musical instrument with means for scanning keys |
| JPS5033407B1 (en) * | 1971-07-30 | 1975-10-30 | ||
| JPS5033408B1 (en) * | 1971-07-30 | 1975-10-30 | ||
| US3854365A (en) * | 1971-07-31 | 1974-12-17 | Nippon Musical Instruments Mfg | Electronic musical instruments reading memorized waveforms for tone generation and tone control |
| DE2237594A1 (en) * | 1971-07-31 | 1973-02-15 | Nippon Musical Instruments Mfg | ELECTRONIC MUSICAL INSTRUMENTS THAT SCAN STORED WAVEFORMS FOR SOUND GENERATION AND CONTROL |
| US3763364A (en) * | 1971-11-26 | 1973-10-02 | North American Rockwell | Apparatus for storing and reading out periodic waveforms |
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Also Published As
| Publication number | Publication date |
|---|---|
| US3515792B1 (en) | 1987-08-18 |
| BE733251A (en) | 1969-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent suit(s) filed | ||
| RR | Request for reexamination filed |
Effective date: 19850418 |
|
| B1 | Reexamination certificate first reexamination |