| Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242) |
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| 10/26/1976 | US3987673 Ultrasonic transducer devices |
| 10/19/1976 | US3987403 Sensory aids for the blind |
| 10/12/1976 | US3986182 Multi-zone intrusion detection system |
| 10/12/1976 | US3986160 Visualization by ultrasonic detection |
| 10/12/1976 | US3986022 Illumination control system |
| 10/12/1976 | US3985030 Ultrasonic acoustic pulse echo ranging system |
| 09/28/1976 | US3983529 Detector for use in acoustic holography |
| 09/21/1976 | US3982068 Novel target for an ultrasonic wave camera and devices incorporating such a target |
| 09/14/1976 | US3980983 Measurement and presentation of acoustic target length and aspect |
| 09/07/1976 | US3979711 Ultrasonic transducer array and imaging system |
| 08/31/1976 | US3978444 Seafloor mapping system |
| 08/24/1976 | US3976968 Underwater target detection apparatus |
| 08/17/1976 | US3974692 Apparatus for the measurement of the velocity of media flowing in conduits |
| 08/17/1976 | US3974682 Ultra sound examining device |
| 08/10/1976 | US3974473 Cable for multiple sonar systems |
| 08/03/1976 | US3973235 Device for the detection of an acoustic image |
| 06/29/1976 | US3967233 Sonar system for classifying submerged objects |
| 06/29/1976 | US3967232 Methods of detecting underwater objects and apparatus therefor |
| 06/29/1976 | US3967209 Discriminating sonic detection system |
| 06/08/1976 | US3961683 Method for determining the shape of an underground cavity and the position of the surface separating two media contained therein and device for carrying out said method |
| 06/01/1976 | US3961307 Exploration of the boundaries of an underground coal seam |
| 06/01/1976 | US3960007 Ultrasonic standing wave sensor |
| 05/18/1976 | US3958214 Encoded echo-ranging signal generator |
| 05/04/1976 | US3955171 Discriminating sonic detection system |
| 04/27/1976 | US3953825 Electronically focused imaging system and method |
| 04/27/1976 | US3953823 Velocity measurement apparatus using pulsed ultrasonic waves |
| 04/27/1976 | US3953822 Wave-energy imaging technique |
| 04/13/1976 | US3950724 Horizontal fish detection sonar |
| 04/13/1976 | US3950723 Sonar apparatus |
| 03/23/1976 | US3946377 Method and apparatus to monitor conduction of sonic waves in an acoustically conductive medium |
| 03/16/1976 | US3944963 Method and apparatus for ultrasonically measuring deviation from straightness, or wall curvature or axial curvature, of an elongated member |
| 03/09/1976 | US3943482 Marine mine detector |
| 03/02/1976 | US3942150 Correction of spatial non-uniformities in sonar, radar, and holographic acoustic imaging systems |
| 03/02/1976 | US3942149 Solid state depth sounder |
| 02/24/1976 | US3940731 Ultrasonic random signal doppler flow measurement system |
| 02/24/1976 | US3939707 Measurement of liquid flow |
| 02/17/1976 | US3939463 Acoustic transponder navigation system |
| 02/10/1976 | US3937067 Measurement of angles |
| 02/10/1976 | US3937066 Ultrasonic camera system and method |
| 01/27/1976 | US3934577 Fetal heart rate monitoring apparatus |
| 01/27/1976 | US3934458 Method and apparatus for pulse echo imaging |
| 01/20/1976 | US3934156 Movement responsive control apparatus |