Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8594350 | Set-up method for array-type sound system | Paul Thomas Troughton, David Charles William Richards, David Christopher Turner | 2013-11-26 |
| 8446475 | Shape memory alloy actuation apparatus | Richard J. Topliss, Dominic George Webber, Robert John Leedham, David Charles William Richards, Thomas M. Gregory | 2013-05-21 |
| 8325941 | Method and apparatus to shape sound | Paul Thomas Troughton, Angus Gavin Goudie, Irving Alexander Bienek, Paul Raymond Windle | 2012-12-04 |
| 8073320 | Shape memory alloy actuation apparatus | Richard J. Topliss, Shinichi Makino, Dominic George Webber | 2011-12-06 |
| 7577260 | Method and apparatus to direct sound | Paul Thomas Troughton, Angus Gavin Goudie, Irving Alexander Bienek, Paul Raymond Windle | 2009-08-18 |
| 7515719 | Method and apparatus to create a sound field | Paul Thomas Troughton, Angus Gavin Goudie, Mark Easton, Irving Alexander Bienek, James Davies +2 more | 2009-04-07 |
| 7319641 | Signal processing device for acoustic transducer array | Angus Gavin Goudie, Paul Thomas Troughton | 2008-01-15 |
| 7224813 | Loudspeaker using an electro-active device | David Henry Pearce, Gareth McKevitt, Mark Shepherd, James Allan, Simon Andrew Longbottom +1 more | 2007-05-29 |
| 7215788 | Digital loudspeaker | — | 2007-05-08 |
| 7166952 | Piezoelectric structures | Richard J. Topliss, David Livingstone, Andrew Matheson, Gareth McKevitt, Mark Shepherd | 2007-01-23 |
| 7069795 | Sensor using electro active curved helix and double helix | Gareth McKevitt, David Henry Pearce, Ursula Lenel, Mark Shepherd | 2006-07-04 |
| 7068930 | Camera lens positioning using a electro-active device | Gareth McKevitt, James Allan, David Henry Pearce, Ursula Lenel | 2006-06-27 |
| 6967541 | Digital pulse-width-modulation generator | — | 2005-11-22 |
| 6833656 | Electro active devices | David Henry Pearce, Ursula Lenel, Gareth McKevitt, Mark Shepherd | 2004-12-21 |
| 6677034 | Aerogels, piezoelectric devices, and uses therefor | David Henry Pearce, Luc Forest | 2004-01-13 |
| 6483208 | Linear motor | — | 2002-11-19 |
| 6373955 | Loudspeakers | — | 2002-04-16 |
| 6309106 | Motors, and bearings therefor | — | 2001-10-30 |