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

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

Underwater detection apparatus

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

Underwater detection apparatus

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Underwater detection device

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

Underwater detection system

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

Underwater detection system

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination

Underwater detection system

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

Underwater detection system

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination

Underwater detection system for determining carrier frequencies

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

Underwater exterior ship hull imaging system employing a...

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

Underwater mapping apparatus and method

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Underwater signal discrimination system

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Underwater sounding apparatus

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Underwater vehicle guidance system and method

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Underwater-target direction-finding apparatus

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

Universal replaceable back radar

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

User-driven active guidance system

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

Utilization of entire transmitted bandwidth in continuous transm