Personal sonar system

Details Personal sonar system Personal sonar system

2006-12-05

2006-12-05

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Underwater system

C367S910000

Reexamination Certificate

active

07145835

ABSTRACT:
The sonar device includes a sonar transducer, a noise filter, a microprocessor and an output device. The system warns the user when a hazardous objects is detected or when signals from companions decrease. The portable sonar device can be built into various watersport devices including scuba diving equipment, surfboards and windsurfboards.

REFERENCES:
patent: 3800273 (1974-03-01), Rolle
patent: 5463597 (1995-10-01), Harlev
patent: 6226227 (2001-05-01), Lent et al.
patent: 6335905 (2002-01-01), Kabel
patent: 6678209 (2004-01-01), Peng et al.
patent: 6798715 (2004-09-01), Harmon et al.
patent: 2005/0064774 (2005-03-01), Grune et al.

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