LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Distance or direction finding,By combining or comparing signals

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Target detector

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Target detector and localizer for passive sonar

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Target tracking system for determining bearing of a target

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Target-detection and location system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Time delay measurement

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Torpedo seeker head having directional detection independent of

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Track quality indicator with hysteresis

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Tracking multiple targets in dense sensor fields

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Ultrasonic distance meter

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Ultrasonic double feed detecting device

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Underwater communication method, device, and system...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Underwater detection device

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Underwater location apparatus

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Underwater object passive tracking process and device

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Underwater sound localization system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Unfolding cylindrical sonar

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Utilization of auto and cross-correlation functions in methods f