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

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Ultrasonic detector for detecting a thin film

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

Ultrasonic distance measuring circuit

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 – With beam steering – scanning – or focussing

Ultrasonic fork height measuring apparatus

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

Ultrasonic micro-machined selectable transducer array

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Ultrasonic position locating method and apparatus therefor

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Ultrasonic positioning and tracking system

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

Ultrasonic ranging and data telemetry system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Ultrasonic receiving apparatus

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Ultrasonic tracking system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Ultrasonic transceiver

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

Underwater acoustic positioning system and method

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

Underwater guidance system

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 – With electromagnetic wave

Underwater object detection system

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

Underwater object passive tracking process and device