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

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

Ultrasonic distance sensor with dual burst noise rejection

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

Ultrasonic distance sensors

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

Ultrasonic doppler effect speed measurement

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

Ultrasonic doppler fish detector

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

Ultrasonic doppler flow meter

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

Ultrasonic doppler flow meter

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

Ultrasonic Doppler sensor for speech-based user interface

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

Ultrasonic Doppler sensor for speech-based user interface

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

Ultrasonic echographic probe having an acoustic lens and an echo

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

Ultrasonic examination and imaging

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

Ultrasonic ground speedometer utilizing Doppler effect

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

Ultrasonic ground speedometer utilizing doppler effect

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

Ultrasonic ground speedometer utilizing doppler effect

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

Ultrasonic ground speedometer utilizing doppler effect of ultras

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

Ultrasonic intrusion alarm system

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

Ultrasonic intrusion alarm system

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

Ultrasonic intrusion alarm system

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

Ultrasonic intrusion detection system

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

Ultrasonic line sensor