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| Number | Title | Issue Date |
| 6075753 | System for simulation of underwater explosion pressure fields An array of piezoelectric transducers from which acoustical energy is emid at a low and high frequency within a predetermined frequency band, synthesizes a localized underwater simulation of a remotely located explosion pressure field, by programmed comp... | 06/13/2000 |
| 5247894 | Pro-submarine mobile decoy An inexpensive decoy which simulates the evasive tactics of a submarine ur attack for pulse echo type search systems and which can be ejected through the flare tube of a submarine.... | 09/28/1993 |
| 4759067 | Acoustic regenerator An apparatus for extracting, storing and repetitively replaying a broadband atasample is fabricated from proven electronic components to assure long term reliability and reproducibility. A broadband acoustic signal is digitized and stored in a RAM until it... | 07/19/1988 |
| 4009523 | Acoustic signature simulation 1. The method of producing an electric signal corresponding to the underwr acoustic signature which would be generated by the movement of a certain sound source through a remote underwater environment which comprises preparing a recording at a substantia... | 03/01/1977 |
