Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11796382 | Drift correction in a fiber optic distributed acoustic sensing system | William Johnston | 2023-10-24 |
| 11125636 | Quadrature detection for optical MEMS pressure gauge | William Johnston | 2021-09-21 |
| 10746016 | Time division multiplexing of distributed downhole sensing systems | William Johnston, Ian Mitchell | 2020-08-18 |
| 10690552 | DTS performance improvement through variable mode path length averaging | Ian Mitchell, William Johnston | 2020-06-23 |
| 9551809 | Arrayed wave division multiplexing to improve spatial resolution of IOFDR fiber Bragg sensing system | Brooks A. Childers, Roger Glen Duncan | 2017-01-24 |
| 9546915 | Enhancing functionality of reflectometry based systems using parallel mixing operations | Roger Glen Duncan, Brooks A. Childers, Robert M. Harman, Philip R. Couch | 2017-01-17 |
| 9404831 | Arrayed wave division multiplex to extend range of IOFDR fiber bragg sensing system | Karl Kai Ku, Ian Mitchell, William Johnston | 2016-08-02 |
| 8681322 | Distance measurement using incoherent optical reflectometry | Roger Glen Duncan, Brooks A. Childers, Robert M. Harman, Daniel S. Homa, Ajit Balagopal +1 more | 2014-03-25 |
| 8558994 | EFPI sensor | Daniel S. Homa, Robert M. Harman, Brooks A. Childers, Brian S. Lucas | 2013-10-15 |
| 7450627 | Wireless communication synchronization | Philip R. Couch, Robert M. Harman | 2008-11-11 |
| 7343800 | Linear position indicator system and method | Robert M. Harman, Philip R. Couch, David Dixon | 2008-03-18 |
| 6914411 | Power supply and method for controlling it | Philip R. Couch, Robert M. Harman, Jerry W. Fleming | 2005-07-05 |
| 6195467 | Method and apparatus for sharpening a grayscale image | Nikos Asimopoulos, Morton Nadler | 2001-02-27 |
| 5703971 | Process and device for analyzing and restoring image data in a digital signal from a scanned document | Nikos Asimopoulos, Morton Nadler | 1997-12-30 |