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

Ultrasonic wave phase matching apparatus

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

Ultrasonic wave transmitting and receiving device for vehicles

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

Ultrasonic-filling position limit switch operating according to

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

Ultrasound apparatus for the virtual diminution of the array div

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

Ultrasound apparatus permitting dynamic variation of the positio

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Ultrasound area surveillance system

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

Ultrasound echo profile sensor used as tactile sensor

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

Ultrasound intrusion detector

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Ultrasound sensor

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

Ultrasound transducer head with integrated variable-gain amplifi

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

Ultrasound transmitting or receiving apparatus

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

Underground ultrasonic tillage depth sensor

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

Undersea sonar scanner correlated with auxiliary sensor trace

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

Underwater detecting apparatus, depth measuring apparatus...

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