Gas chromatograph with digital processing of...

Details Gas chromatograph with digital processing of... Gas chromatograph with digital processing of...

2007-10-26

2010-12-14

Larkin, Daniel S (Department: 2856)

Measuring and testing

Gas analysis

Gas chromatography

C073S023350

Reexamination Certificate

active

07849726

ABSTRACT:
A gas chromatograph for connection to a source of carrier gas and a source of a sample gas. The gas chromatograph includes a first bridge circuit with a sample sensor connected therein and a second bridge circuit with a reference sensor connected therein. The outputs of the bridge circuits are digitized and then subtracted from each other in a processor.

REFERENCES:
patent: 3069894 (1962-12-01), Claudy
patent: 3070989 (1963-01-01), Dueker et al.
patent: 3119252 (1964-01-01), Nerheim
patent: 3139755 (1964-07-01), Reinecke et al.
patent: 3374660 (1968-03-01), Mckinney et al.
patent: 3429176 (1969-02-01), Topham
patent: 3910765 (1975-10-01), Tinklepaugh et al.
patent: 4044593 (1977-08-01), Haruki et al.
patent: 4057755 (1977-11-01), Piesche
patent: 4088458 (1978-05-01), Jourdan
patent: 4735082 (1988-04-01), Kolloff
patent: 4854952 (1989-08-01), Stepien
patent: 4869282 (1989-09-01), Sittler et al.
patent: 5005399 (1991-04-01), Holtzclaw et al.
patent: 5105652 (1992-04-01), Manfredi et al.
patent: 5151688 (1992-09-01), Tanaka et al.
patent: 5231381 (1993-07-01), Duwaer
patent: 5265459 (1993-11-01), Cohen
patent: 5278543 (1994-01-01), Orth et al.
patent: 5285064 (1994-02-01), Willoughby
patent: 5298225 (1994-03-01), Higdon
patent: 5313061 (1994-05-01), Drew et al.
patent: 5340543 (1994-08-01), Annino et al.
patent: 5369386 (1994-11-01), Alden et al.
patent: 5379630 (1995-01-01), Lacey
patent: 5389951 (1995-02-01), Baker
patent: 5461204 (1995-10-01), Makinwa et al.
patent: 5495769 (1996-03-01), Broden et al.
patent: 5544276 (1996-08-01), Loux et al.
patent: 5587520 (1996-12-01), Rhodes
patent: 5587559 (1996-12-01), Fleck et al.
patent: 5663488 (1997-09-01), Wang et al.
patent: 5746976 (1998-05-01), Yamada et al.
patent: 5750939 (1998-05-01), Makinwa et al.
patent: 5756878 (1998-05-01), Muto et al.
patent: 5764928 (1998-06-01), Lanctot
patent: 5796347 (1998-08-01), Zulaski
patent: 5808179 (1998-09-01), Sittler et al.
patent: 5950674 (1999-09-01), Wylie et al.
patent: 5983703 (1999-11-01), Wylie et al.
patent: 6004514 (1999-12-01), Hikosaka et al.
patent: 6028699 (2000-02-01), Fisher
patent: 6029499 (2000-02-01), Sittler et al.
patent: 6062095 (2000-05-01), Mulrooney et al.
patent: 6102449 (2000-08-01), Welsh
patent: 6365105 (2002-04-01), Waters et al.
patent: 6374860 (2002-04-01), Xu et al.
patent: 6453725 (2002-09-01), Dahlgren et al.
patent: 6510740 (2003-01-01), Behm et al.
patent: 6568244 (2003-05-01), Binz et al.
patent: 6598460 (2003-07-01), Muto
patent: 6701774 (2004-03-01), Srinivasan et al.
patent: 6718817 (2004-04-01), Ko et al.
patent: 6742544 (2004-06-01), Bergh et al.
patent: 6761056 (2004-07-01), Schram et al.
patent: 6896238 (2005-05-01), Wang
patent: 6910394 (2005-06-01), Kriel
patent: 7004191 (2006-02-01), Shajii et al.
patent: 7063302 (2006-06-01), Cordill
patent: 7120508 (2006-10-01), Peshkin et al.
patent: 7134354 (2006-11-01), Nelson et al.
patent: 7506533 (2009-03-01), Bailey et al.
patent: 2005/0100479 (2005-05-01), White et al.
patent: 2006/0210441 (2006-09-01), Schmidt et al.
patent: 2007/0089484 (2007-04-01), Bailey et al.
patent: 2007/0204673 (2007-09-01), Bailey et al.
patent: 2008/0052013 (2008-02-01), Bailey et al.
patent: 2008/0072976 (2008-03-01), Bailey et al.
patent: 2008/0087072 (2008-04-01), Asher et al.
patent: 2008/0092627 (2008-04-01), Hadley et al.
patent: WO01/71340 (2001-09-01), None
patent: WO2007/028130 (2007-03-01), None
ABB, Inc., TotalFlow Model8000/8100 BTU/CV Transmitter user manual, Totalflow Products, Bartlesville, Oklahoma 74006 U.S.A., 2001, pp. 1-239.
Emerson Process Management, Danalyzer 700 Product Data Sheet, DAN-GC700-DS-1005, Oct. 2005.
Emerson Process Management, Danalyzer 700 Product Data Sheet, DAN-GC700-DS-53-0803, Aug. 2003.
International search report and written opinion for PCT/US2006/034429.

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