| 12196604 |
Signal processing methods for an optical detection system |
Andrew B. Lewis, Andris EGLE |
2025-01-14 |
| 11438059 |
Method and apparatus for detecting a disturbance in a medium based on shifted filtered phase information for a plurality of locations |
Andrew B. Lewis |
2022-09-06 |
| 11431409 |
Method and apparatus for detecting a disturbance in a medium based on shifted filtered phase information for a plurality of fixed locations |
Justin Hayward, Andrew B. Lewis |
2022-08-30 |
| 10972181 |
Method and apparatus for detecting a disturbance in a medium |
Justin Hayward, Andrew B. Lewis |
2021-04-06 |
| 10972180 |
Method and apparatus for detecting a disturbance in a medium |
Andrew B. Lewis |
2021-04-06 |
| 10623092 |
Method and apparatus for detecting a disturbance in a medium using threshold based detection |
Justin Hayward, Andrew B. Lewis |
2020-04-14 |
| 10623091 |
Method and apparatus for detecting a disturbance in a medium using threshold based detection |
Andrew B. Lewis |
2020-04-14 |
| 10495491 |
Distributed fibre optic sensing |
Andrew B. Lewis |
2019-12-03 |
| 10454573 |
Method and apparatus for detecting a disturbance in a medium |
Justin Hayward, Andrew B. Lewis |
2019-10-22 |
| 10447388 |
Method and apparatus for detecting a disturbance in a medium |
Andrew B. Lewis |
2019-10-15 |
| 9945717 |
Fibre optic distributed sensing |
Andrew B. Lewis |
2018-04-17 |
| 9909903 |
Apparatus for deriving measurement signals from fibre optic distributed sensors |
Andrew B. Lewis |
2018-03-06 |
| 9787394 |
Method and apparatus for acoustic sensing using multiple optical pulses |
Andrew B. Lewis |
2017-10-10 |
| 9768863 |
Method and apparatus for acoustic sensing using multiple optical pulses |
Justin Hayward, Andrew B. Lewis |
2017-09-19 |
| 9465126 |
Seismic geophysical surveying |
Andrew B. Lewis |
2016-10-11 |
| 9435668 |
Fibre optic distributed sensing |
Andrew B. Lewis |
2016-09-06 |
| 9154223 |
Method and apparatus for acoustic sensing using multiple optical pulses |
Andrew B. Lewis |
2015-10-06 |
| 9148219 |
Method and apparatus for acoustic sensing using multiple optical pulses |
Justin Hayward, Andrew B. Lewis |
2015-09-29 |
| 7764363 |
Method and apparatus for acoustic sensing using multiple optical pulses |
Justin Hayward, Andrew B. Lewis |
2010-07-27 |
| 7742157 |
Method and apparatus for acoustic sensing using multiple optical pulses |
Andrew B. Lewis |
2010-06-22 |
| 6650798 |
Identification and location of fiber optic cables |
Andrew B. Lewis, John P. Dakin |
2003-11-18 |
| 6490045 |
Fibre optic sensor |
John P. Dakin |
2002-12-03 |
| 6480635 |
Identification and location of fiber optic cables |
Andrew B. Lewis, John P. Dakin |
2002-11-12 |