Radiant energy – Ionic separation or analysis – With sample supply means
Reexamination Certificate
2007-03-23
2010-12-14
Berman, Jack I (Department: 2881)
Radiant energy
Ionic separation or analysis
With sample supply means
C250S281000, C250S282000, C250S287000, C210S656000, C210S659000
Reexamination Certificate
active
07851748
ABSTRACT:
A circuit synchronizes the actuation of multi-dimensional separating valves with a system clock also coupled to a data acquisition circuit such that signals from a detector are synchronized and no signal information is lost. The system comprises an acquisition clock coupled to a data acquisition logic system and to a modulator valve control. The modulator valve control is, in turn, coupled to a multi-dimensional separation technique valve unit for controlling the valves for introduction of the eluant from a first separation column to a second, faster column in synchronism with acquisition of data by a detector.
REFERENCES:
patent: 5135549 (1992-08-01), Phillips et al.
patent: 6503399 (2003-01-01), Ono et al.
patent: 7107818 (2006-09-01), Zilioli et al.
Berman Jack I
Leco Corporation
Maskell Michael
Price Heneveld Cooper DeWitt & Litton LLP
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