Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Reexamination Certificate
2007-12-05
2009-06-02
Pihulic, Dan (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
C367S903000
Reexamination Certificate
active
07542375
ABSTRACT:
A system and method simultaneously transmits sound waves through a plurality of sonar elements without interference, such as for the purpose of tracking objects underwater. The system has a pulse generator with a plurality of transceivers connected to the pulse generator. A plurality of sonar elements is connected to the plurality of transceivers, with at least one sonar element per transceiver. A sonar signal is sent from the pulse generator to each sonar element, passing intermediately through a transceiver.
REFERENCES:
patent: 5079751 (1992-01-01), Woodward
patent: 5905692 (1999-05-01), Dolazza et al.
patent: 2005/0052950 (2005-03-01), Klinnert et al.
patent: 2008/0137483 (2008-06-01), Sawrie
patent: 2008/0151693 (2008-06-01), Sawrie
Pihulic Dan
Standley Law Group LLP
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