G01S 1/38

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
8520468 Method and system for controlling streamersJul 16, 12Aug 27, 13ION GEOPHYSICAL CORPORATION
8223585 Method and system for controlling streamersNov 06, 09Jul 17, 12ION GEOPHYSICAL CORPORATION
7961147 Long baseline phase interferometer ambiguity resolution using frequency differencesJul 25, 08Jun 14, 11ROCKWELL COLLINS, INC.
7528774 Apparatus for measuring azimuth by using phase difference and method of using the sameFeb 07, 07May 05, 09SAMSUNG ELECTRONICS CO., LTD.
5838276 Microwave energy implemented aircraft landing systemSep 03, 96Nov 17, 98Focused Energy Holding Inc.
5023846 Ultrasonic detector for detecting a thin filmFeb 28, 90Jun 11, 91Eskofot A/S
4719469 Direction-determining systemNov 12, 86Jan 12, 88STANDARD ELEKTRIK LORENZ AG