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

Ultra-sound detector

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

Ultrasonic alarm device

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

Ultrasonic array

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

Ultrasonic audience measurement system and method

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

Ultrasonic beam former

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

Ultrasonic beam forming system

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

Ultrasonic binaural sensory aid for a blind person

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

Ultrasonic centering apparatus

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

Ultrasonic control unit for a travelling cutter

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

Ultrasonic detection and communication system for automobiles

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

Ultrasonic detector

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

Ultrasonic device

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

Ultrasonic displacement sensor using digital signal...

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

Ultrasonic displacement sensor using envelope detection

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

Ultrasonic distance detection for visually impaired pedestrians

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

Ultrasonic distance measurement method and device by...

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

Ultrasonic distance measuring apparatus

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

Ultrasonic distance measuring apparatus

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

Ultrasonic distance measuring system