LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Echo systems,Distance or direction finding

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonar system having multiple pulse sequences

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonar system with area moving target indicator

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonar systems

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonar systems

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonar transceiver system and method

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonic distance-measuring device

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonic range finder with laser pointer

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonic ranging systems to eliminate errors due to variations in t

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Sonic ranging/detection system employing varied beamwidth

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Spatial measurement recovery system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Spectral processor and range display unit

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Steered beam ultrasonic sensor for object location and...

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Submerged object warning and logging system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Submergence detection for electro acoustic transducers

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Submersible ice fishing troller system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Supersonic bone conduction hearing aid and method

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Surveillance device for signal-echo sensors

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Switch matrix

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Synthetic focus annular array transducer