Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907233 | VLSI single-chip (255,223) Reed-Solomon encoder with interleaver | In-Shek Hsu, Trieu-Kie Truong, Irving S. Reed | 1990-03-06 |
| 4868828 | Architecture for time or transform domain decoding of reed-solomon codes | Howard M. Shao, Trieu-Kie Truong, In-Shek Hsu | 1989-09-19 |
| 4823667 | Guitar controlled electronic musical instrument | Ralph Deutsch | 1989-04-25 |
| 4722259 | Keyswitch actuation detector for an electronic musical instrument | Ralph Deutsch | 1988-02-02 |
| 4620469 | Key assignor for a touch responsive electronic musical instrument | Ralph Deutsch | 1986-11-04 |
| 4570520 | Tone generator assignment in a keyboard electronic musical instrument | Ralph Deutsch | 1986-02-18 |
| 4513651 | Generation of anharmonic overtones in a musical instrument by additive synthesis | Ralph Deutsch | 1985-04-30 |
| 4495847 | Combined tone generation on a single keyboard for an electronic musical instrument | Ralph Deutsch | 1985-01-29 |
| 4467688 | Polyphonic musical tone generator | Ralph Deutsch | 1984-08-28 |
| 4442747 | Octave phase decoupling in an electronic musical instrument | Ralph Deutsch | 1984-04-17 |
| 4385542 | Acoustic tone synthesizer for an electronic musical instrument | Ralph Deutsch | 1983-05-31 |
| 4368658 | Apparatus for solo harmony transfer in an electronic musical instrument | Ralph Deutsch | 1983-01-18 |
| 4354414 | Constant speed polyphonic portamento system | Ralph Deutsch | 1982-10-19 |
| 4342248 | Orchestra chorus in an electronic musical instrument | Ralph Deutsch | 1982-08-03 |
| 4341141 | Polyphonic sliding portamento in a musical instrument | Ralph Deutsch | 1982-07-27 |
| 4337681 | Polyphonic sliding portamento with independent ADSR modulation | Ralph Deutsch | 1982-07-06 |
| 4327419 | Digital noise generator for electronic musical instruments | Ralph Deutsch | 1982-04-27 |
| 4295402 | Automatic chord accompaniment for a guitar | Ralph Deutsch | 1981-10-20 |
| 4282786 | Automatic chord type and root note detector | Ralph Deutsch | 1981-08-11 |
| 4269101 | Apparatus for generating the complement of a floating point binary number | Ralph Deutsch | 1981-05-26 |
| 4249448 | Even-odd symmetric computation in a polyphonic tone synthesizer | Ralph Deutsch | 1981-02-10 |
| 4244263 | Tone selection control for an electronic musical instrument | Ralph Deutsch | 1981-01-13 |
| 4205576 | Automatic harmonic interval keying in an electronic musical instrument | Ralph Deutsch | 1980-06-03 |
| 4194426 | Echo effect circuit for an electronic musical instrument | Ralph Deutsch | 1980-03-25 |
| 4191081 | Selectable automatic arpeggio for electronic musical instrument | Ralph Deutsch | 1980-03-04 |