The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 2008
Filed:
Apr. 04, 2005
Qingguo Xie, Wuhan, CN;
Chien-min Kao, Chicago, IL (US);
Zekai Hsiau, Taipei, TW;
Chin-tu Chen, Chicago, IL (US);
Qingguo Xie, Wuhan, CN;
Chien-Min Kao, Chicago, IL (US);
Zekai Hsiau, Taipei, TW;
Chin-Tu Chen, Chicago, IL (US);
National Health Research Institutes, Jhunan Township, Miali County, TW;
Abstract
A device and method used in the high resolution Positron Emission Tomography (PET) systems for digitizing radiation events for a scintillation camera and a data acquisition system. The device comprises a scintillation digitizer, including a plurality of comparators and amplifiers, two ADCs, and an analyzer for resolving the digital values of radiation events. The method comprises comparing a plurality of analog electric pulses generated upon radiation event detections with a reference voltage corresponding to an energy level of interest, amplifying all of the signals with two groups of coefficients, summing the two groups of amplified signals, digitizing the summed signals, and analyzing the digitized sums to determine digital values corresponding to a plurality of the radiation events.