| Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242) |
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| 02/21/1978 | US4074564 Reconstruction system and method for ultrasonic imaging |
| 01/31/1978 | US4070917 Ultrasonic pulse-echo thickness and velocity measuring method |
| 01/31/1978 | US4070905 Ultrasonic beam scanning |
| 01/24/1978 | US4070671 Navigation reference system |
| 01/24/1978 | US4070643 Acoustic holography apparatus |
| 01/24/1978 | US4070642 Ultrasonic wave transmitting and receiving apparatus |
| 01/17/1978 | US4069468 Doppler spectral measurement |
| 01/10/1978 | US4068207 Acoustic log |
| 12/27/1977 | US4065747 Acoustical underwater communication system for command control and data |
| 12/27/1977 | US4065746 Device for measuring the velocity of a body in an undersea environment |
| 12/27/1977 | US4065745 Doppler speedometer |
| 12/27/1977 | US4065744 Doppler navigation method for determining the distance travelled by a vehicle |
| 12/27/1977 | US4064741 Real-time ultrasonic imaging system |
| 12/20/1977 | US4064478 Flasher display type fish finder |
| 12/20/1977 | US4063549 Ultrasonic method and apparatus for imaging and characterization of bodies |
| 12/13/1977 | US4063214 Lens transducer for use in marine sonar doppler apparatus |
| 12/13/1977 | US4063212 Side scan sonar system |
| 11/29/1977 | US4060848 Electronic calculator system having audio messages for operator interaction |
| 11/29/1977 | US4060791 Imaging system |
| 11/29/1977 | US4060790 Method of detecting the presence of an enemy submarine |
| 11/22/1977 | US4059010 Ultrasonic inspection and diagnosis system |
| 11/15/1977 | US4058114 Ultrasonic arrangement for puncturing internal body organs, vessels and the like |
| 11/15/1977 | US4058001 Ultrasound imaging system with improved scan conversion |
| 11/08/1977 | US4057779 Ultrasonic detection system |
| 11/08/1977 | US4057049 Apparatus for and methods of pulse-echo examination |
| 11/01/1977 | US4056802 Sonar alarm system |
| 10/18/1977 | US4054878 Ranging system including apparatus for forming directional characteristics at the receiving end and for correlating |
| 10/18/1977 | US4054862 Ranging system with resolution of correlator ambiguities |
| 10/11/1977 | US4053867 Acoustic hologram reconstructor using surface acoustic wave devices |
| 10/11/1977 | US4052977 Methods of and apparatus for ascertaining the characteristics of motion of inaccessible moving elements |
| 10/11/1977 | US4052888 Apparatus for the ultrasonic examination of bodies having non-planar surfaces |
| 10/04/1977 | US4052693 Depth sounder |
| 10/04/1977 | US4052692 Accentuator circuit for underwater acoustical devices |
| 09/20/1977 | US4050054 Multi-contact brush type fish detecting sonar |
| 09/20/1977 | US4049954 Device for accurate measurement of the dimensions of an object by ultrasonic waves |
| 09/20/1977 | US4048853 Method and apparatus for monitoring the flow of liquid and the like |
| 09/13/1977 | US4047520 Ultrasonic imaging apparatus operating according to the impulse-echo technique |
| 09/06/1977 | US4047147 Dual beam sonar display system |
| 08/30/1977 | US4045766 Ultrasonic detection system |
| 08/23/1977 | US4044273 Ultrasonic transducer |
| 08/16/1977 | US4042928 Technique of characterizing the nature of a radiation path transfer function by a few constants |
| 08/16/1977 | US4041774 Acoustic data acquisition device |
| 08/09/1977 | US4041441 Diver's pulse stretch sonar |
| 08/09/1977 | US4041293 Method of measuring the velocity of an object relative to a reference and a device for effecting said method |
| 07/12/1977 | US4035760 Object detecting system |
| 07/12/1977 | US4034744 Ultrasonic scanning system with video recorder |
| 07/05/1977 | US4034331 Fish counter |
| 07/05/1977 | US4034276 Digital signal processor for servo velocity control |
| 07/05/1977 | US4033177 Dual trace display for ultrasonic testing apparatus |
| 06/21/1977 | US4031544 Television system for use in underwater exploration |
| 06/21/1977 | US4030344 Apparatus for recording an ultrasonic sectional view |
| 06/21/1977 | US4030343 Apparatus for providing an ultrasonic sectional view stating the proportion of meat and lard in biological material |
| 06/21/1977 | US4030342 Acoustic microscope for scanning an object stereo-optically and with dark field imaging |
| 06/14/1977 | US4030096 Automatic target detector |
| 06/14/1977 | US4030062 Direction determination in sonar systems |
| 06/14/1977 | US4029176 Doorway safety device |
| 06/14/1977 | US4028934 Ultrasonic stereoscopic imaging device |
| 06/14/1977 | US4028933 Acoustic microscope |
| 05/24/1977 | US4025919 Automatic target detector |
| 05/24/1977 | US4025894 Method and apparatus for improving the directional characteristic of an echo sounder receiving base |
| 05/24/1977 | US4025165 Electro optical imaging device |
| 05/17/1977 | US4024490 Multibeam sidelooking sonar display system |
| 05/10/1977 | US4023178 Radio-controlled vehicle with RF noise elimination feature and with ultrasonic anti-collision means insensitive to mechanical shocks |
| 05/10/1977 | US4023175 Imaging systems |
| 05/10/1977 | US4023173 Object discerning method and apparatus using a spatial wave propagation |
| 05/10/1977 | US4023135 Apparatus for detecting the number of objects |
| 05/03/1977 | US4021771 Scan acoustical holographic imaging apparatus |
| 04/19/1977 | US4019169 Ultrasonic wave transmitting and receiving apparatus |
| 04/12/1977 | US4017823 Position control system for a subsea vehicle |
| 04/12/1977 | US4016750 Ultrasonic imaging method and apparatus |
| 04/05/1977 | US4016540 Apparatus and method for providing interactive audio communication |
| 04/05/1977 | US4016528 Moving target detector |
| 03/29/1977 | US4015232 Ultrasonic distance detector for vehicles |
| 03/29/1977 | US4014207 Sector scanning ultrasonic inspection apparatus |
| 03/22/1977 | US4013991 Fish locator |
| 03/22/1977 | US4012952 Ultrasonic system |
| 03/22/1977 | US4012951 Acoustic examination methods and apparatus |
| 03/22/1977 | US4012950 Method of and apparatus for acoustic imaging |
| 03/15/1977 | US4011750 Method and apparatus for ultrasonic examination of objects |
| 03/15/1977 | US4011748 Method and apparatus for acoustic and optical scanning of an object |
| 02/15/1977 | US4008455 Method of making self-calibrated displacement measurements |
| 02/15/1977 | US4007633 Method of determining the physical characteristics of a sea floor |
| 01/25/1977 | US4005417 Frequency spectrum analyzer |
| 01/25/1977 | US4005383 Catacoustic navigating system |
| 01/25/1977 | US4005382 Signal processor for ultrasonic imaging |
| 01/25/1977 | US4005258 Ultrasonic examination |
| 01/25/1977 | US4004460 Ship movement measurement |
| 01/18/1977 | US4003244 Ultrasonic pulse-echo thickness measuring apparatus |
| 01/11/1977 | US4003015 Multipath sonar system |
| 01/04/1977 | US4001764 Acoustic method for detecting leaks from submerged pipelines |
| 01/04/1977 | US4000646 Wave height measuring device |
| 12/14/1976 | US3997866 Acoustic bus passenger counter |
| 12/07/1976 | US3996552 Device for providing a hologram of an insonified object |
| 11/30/1976 | US3994154 Ultrasonic pulse-echo thickness and velocity measuring apparatus |
| 11/23/1976 | US3992925 Device for ultrasonic scanning |
| 11/23/1976 | US3992923 Underwater pipelines |
| 11/16/1976 | US3991607 High resolution pulse-echo ultrasonic method and apparatus |
| 11/09/1976 | US3991398 Acoustic log |
| 11/09/1976 | US3990300 Moving ultrasonic transducer array |
| 11/09/1976 | US3990296 Acoustical holography imaging device |