Human echolocation system

Details Human echolocation system Human echolocation system

2011-06-07

2011-06-07

Lobo, In J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

C367S909000, C367S087000, C367S099000

Reexamination Certificate

active

07957224

ABSTRACT:
A human echolocation system emits toward a target a series of sound pulses beginning at a low frequency and progressing stepwise to a high frequency. Echoes of the pulses enable the user to estimate location, distance and dimensions of the target. Target location and distance are estimated based on a stretched echo delay, while target dimensions are estimated based on a musical pitch corresponding to the echo frequency.

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