Method of and apparatus for sonar detection and the like with plural substantially orthogonal radiation beams
Patent 4121190 Issued on October 17, 1978. Estimated Expiration Date: 
July 20, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 20, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3267416 3436721 3696418 3914729 Multipath sonar system Patent #: 4003015 InventorsAssigneeApplicationNo. 05/707051 filed on 07/20/1976US Classes:367/106, With towing367/115Permanent recordExaminersPrimary: Farley, Richard A.Attorney, Agent or FirmInternational ClassesG01S 15/00 (20060101)G01S 15/42 (20060101) AbstractThis disclosure is concerned with employing substantially orthogonal transducer arrays with substantially complementary fan-shaped beams for pin-pointing underwater objects and the like. | |
