Sonar scanner

Details Sonar scanner Sonar scanner

2008-05-06

2008-05-06

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Returned signal used for control

Reexamination Certificate

active

11085832

ABSTRACT:
Detecting an object using sound waves includes outputting a sound wave from a transducer, receiving an echo after outputting the sound wave, obtaining a threshold value based on the echo and plural other echoes that are within a predetermined range of the echo, and determining if the echo is a result of the sound wave based on the threshold value.

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