Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828631 | Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor | Erlend Ronnekleiv | 2023-11-28 |
| 11499849 | Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor system | Erlend Ronnekleiv | 2022-11-15 |
| 10247581 | Interferometric optical fibre sensor system and method of interrogation | Erlend Ronnekleiv | 2019-04-02 |
| 10001362 | Processing data from a distributed fibre-optic interferometric sensor system | Erlend Ronnekleiv | 2018-06-19 |
| 8064286 | Seismic streamer array | Erlend Rønnekleiv, Hilde Nakstad, Arne Berg | 2011-11-22 |
| 7916303 | Non-uniform sampling to extend dynamic range of interferometric sensors | Erlend Ronnekleiv | 2011-03-29 |
| 7715015 | Adaptive mixing for high slew rates | Erlend Rønnekleiv | 2010-05-11 |
| 7688673 | Connector nodes for interrogating optical fiber sensor arrays | Erlend Rønnekleiv, Hilde Nakstad, Arne Berg | 2010-03-30 |
| 7679994 | Bi-directional interrogation of optical sensors | Erlend Ronnekleiv, Hilde Nakstad, Arne Berg, Jon Thomas Kringlebotn | 2010-03-16 |
| 7558155 | Optical sensor interrogation with wavelength grouping in time slots | Erlend Rønnekleiv, Hilde Nakstad, Ame Berg | 2009-07-07 |
| 7551517 | Seabed seismic station packaging | Arne Berg, Erlend Ronnekleiv, Jon Thomas Kringlebotn, Hilde Nakstad, Roar Furuhaug | 2009-06-23 |
| 7539080 | Grating design for use in a seismic sensing system | Erlend Rønnekleiv, Hilde Nakstad, Arne Berg | 2009-05-26 |
| 7480056 | Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors | Erlend Ronnekleiv | 2009-01-20 |
| 7466422 | Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems | Erlend Rønnekleiv | 2008-12-16 |
| 7433045 | Active coherence reduction for interferometer interrogation | Erlend Ronnekleiv, Kjell Blotekjaer, Dag Thingbo, Sigurd Lovseth, Sverre Kundsen | 2008-10-07 |
| 7366055 | Ocean bottom seismic sensing system | Erlend Rønnekleiv, Hilde Nakstad, Arne Berg | 2008-04-29 |
| 7359061 | Method and apparatus for providing polarization insensitive signal processing for interferometric sensors | Erlend Rønnekleiv | 2008-04-15 |
| 7336365 | Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems | Erlend Rønnekleiv | 2008-02-26 |
| 7206075 | Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array | — | 2007-04-17 |
| 7113287 | Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array | — | 2006-09-26 |
| 7088878 | Method and apparatus for producing depolarized light | Erlend Rønnekleiv | 2006-08-08 |
| 7081959 | Method and apparatus for providing polarization insensitive signal processing for interferometric sensors | Erlend Rønnekleiv | 2006-07-25 |
| 7019837 | Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array | — | 2006-03-28 |