Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Reexamination Certificate
2007-04-13
2008-03-18
Porta, Dave (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
C250S252100
Reexamination Certificate
active
07345281
ABSTRACT:
A method and system for calibrating a time of flight (TOF) positron emission tomography (PET) scanner are provided. The method stores acquired scan data from detector pairs including data and timing information. The method further calculates an intensity distribution of emission sources based on the scan data and defines a timing pivot point based on a median of an intensity histogram. The method determines a timing correction for each detector based on the location of the timing pivot point. The positron emission tomography (PET) system further provides a plurality of detectors, used in performing imaging scans, and a processor. The processor is configured to determine a timing correction for each detector.
REFERENCES:
patent: 6072177 (2000-06-01), McCroskey et al.
patent: 2006/0261275 (2006-11-01), Stearns et al.
patent: 2007/0040122 (2007-02-01), Manjeshwar et al.
Heukensfeldt Jansen Floribertus P. M.
Manjeshwar Ravindra Mohan
General Electric Company
Porta Dave
Small Dean D.
Taningco Marcus H
The Small Patent Law Group LLP
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