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| Number | Title | Issue Date |
| 6434539 | METHOD AND APPARATUS FOR DETERMINING AND FORMING DELAYED WAVEFORMS FOR FORMING TRANSMITTING OR RECEIVING BEAMS FOR AN ACOUSTIC SYSTEM ARRAY OF TRANSMITTING OR RECEIVING ELEMENTS FOR IMAGING IN NON-HOMOGENOUS/NON-UNIFORM MEDIUMS An acoustic imaging system for forming acoustic beams approximating an optimum acoustic beam for the directional transmission or reception of acoustic energy. Maximum and minimum dependent beamform factors are determined from initial beamform factors and ... | 08/13/2002 |
| 6366895 | Method and apparatus for determining and forming delayed waveforms for forming transmitting or receiving beams for a sonar system array of transmitting or receiving elements Sonar method and system for determining and using beamform factors for forming sonar beams approximating an optimum sonar beam for the directional transmission or reception of sonar energy by a sonar phased array system. Optimum maximum and minimum depend... | 04/02/2002 |
| 6289327 | Method and apparatus for determining and forming delayed waveforms for forming transmitting or receiving beams for an air acoustic system array of transmitting or receiving elements A method and system for use in an air acoustic system for determining and using beamform factors for forming air acoustic beams approximating an optimum air acoustic beam for the directional transmission or reception of air acoustic energy by an air acous... | 09/11/2001 |
| 6175331 | Method and apparatus for determining and forming delayed waveforms for forming radio frequency transmitting or receiving beams for an array of radio frequency transmitting or receiving elements A method and system for use in an radio frequency system for determining and using beamform factors for forming radio frequency beams approximating an optimum radio frequency beam for the directional transmission or reception of radio frequency energy by ... | 01/16/2001 |
| 5305286 | Bistatic/monostatic sonar fence A sonar system has at least two separated bottom-mounted acoustic modules, each module including a projector for generating horizontal sound beam, a vertical line receive array for monostatic and bistatic detection, and a high frequency, upward-directed t... | 04/19/1994 |
