LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Echo systems,Parametric sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Acoustic force generator for detection, imaging and information

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Acoustic self-guidance systems for submarine vehicles

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Active sonar for under-ice conditions

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Bistatic/monostatic sonar fence

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Choke point bistatic sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Direction finding circuit arrangement

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Echo sounder transmitting radiant energy at two frequencies

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Filigree electrode pattern apparatus for steering parametric...

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Ground penetrating sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

High efficiency parametric sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Interferometric sonar in non-linear acoustics

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Platform carried bistatic sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Sonar System

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Sonic direction system

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Synthesis of arbitrary broadband signals for a parametric array

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

System and method for measuring ice thickness

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Ultrasonic ranging system and method thereof in air by using...

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Ultrasonic transducer for ranging measurement with high...

Communications – electrical: acoustic wave systems and devices – Echo systems – Parametric sonar

Vibrator and method of exploring a material medium by means...