Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369906 | Digital audio signal processing | — | 2008-05-06 |
| 6405230 | Digital filter | David Charles William Richards, John W. Richards | 2002-06-11 |
| 6094491 | Capacitive touch detection | John East, Simon Irving Harrison | 2000-07-25 |
| 6061458 | Audio mixing console | John East, Simon Irving Harrison, William Edmund Cranstoun Kentish | 2000-05-09 |
| 5940521 | Audio mixing console | John East, Simon Irving Harrison, Tetsuya Konishi | 1999-08-17 |
| 5930375 | Audio mixing console | John East, Simon Irving Harrison, William Edmund Cranstoun Kentish | 1999-07-27 |
| 5923768 | Digital audio processing | Peter Charles Eastty | 1999-07-13 |
| 5923767 | Digital audio processing | Peter Charles Eastty | 1999-07-13 |
| 5880718 | Capacitive touch detection | John East, Simon Irving Harrison | 1999-03-09 |
| 5784015 | Signal processing apparatus and method with a clock signal generator for generating first and second clock signals having respective frequencies harmonically related to a sampling frequency | — | 1998-07-21 |
| 5677962 | Hybrid analog and digital amplifier with a delayed step change in the digital gain | Simon Irving Harrison | 1997-10-14 |
| 5623551 | Linear control arrangements | John East | 1997-04-22 |
| 5148163 | Digital to analog conversion circuit with dither and overflow prevention | — | 1992-09-15 |