Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-08-20
2010-11-02
Nguyen, Phung (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
Reexamination Certificate
active
07825816
ABSTRACT:
A sensing device arrangement for a fuel storage system is provided having at least one storage tank, a plurality of sensing devices positioned in or around the at least one storage tank, and a controller in electrical communication with the plurality of sensing devices. The controller is configured to communicate with each sensing device of the plurality of sensing devices on a single bi-directional data line. A sensing device of the plurality of sensing devices is activated by the controller. Data is acquired by the sensing device and transmitted to the controller over the data line. The controller instructs the sensing device to change to a low power state. The controller receives electrical characteristics from the plurality of sensing devices recognized on the data line and calculates a characteristic of the sensing device arrangement. The controller verifies compliance with an intrinsic safety barrier.
REFERENCES:
patent: 3972201 (1976-08-01), Datis
patent: 4487065 (1984-12-01), Carlin et al.
patent: 4835521 (1989-05-01), Andrejasich et al.
patent: 5008653 (1991-04-01), Kidd et al.
patent: 5076100 (1991-12-01), Hunter et al.
patent: 5202667 (1993-04-01), Alvin
patent: 5461906 (1995-10-01), Bogle et al.
patent: 6169938 (2001-01-01), Hartsell, Jr.
patent: 6295018 (2001-09-01), Diede et al.
patent: 6577960 (2003-06-01), Rabelo et al.
patent: 6909986 (2005-06-01), Rogers et al.
patent: 2007/0131864 (2007-06-01), Ellis et al.
patent: 4017533 (1990-12-01), None
patent: 4410597 (1995-09-01), None
patent: 19813349 (1999-09-01), None
patent: 0 406 718 (1991-01-01), None
Frank Wartenhorst, International Search Report and Written Opinion, Oct. 18, 2007, 14 pages, European Patent Office.
Glenn Richard Marshall; Site Management System for Containing Hazardous Spills and Leaks, U.S. Statutory Invention Registration No. H1676; filed Mar. 26, 1996; 8 pages; United States.
Marcel Daman (Officer); International Search Report and Written Opinion; May 14, 2008; 11 pages; European Patent Office.
Marcel Daman; International Preliminary Report on Patentability issued in related PCT application No. PCT/US2007/076327; Sep. 29, 2009; 7 pages, European Patent Office.
Iwaszczyszyn Przemyslaw Olaf
Jarvie Ian F.
Nguyen Phung
Wood Herron & Evans L.L.P.
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