Low-power positron emission tomography (PET) imaging system

Details Low-power positron emission tomography (PET) imaging system Low-power positron emission tomography (PET) imaging system

2008-02-12

2010-02-23

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

Reexamination Certificate

active

07667204

ABSTRACT:
The power consumed by a positron emission tomography (PET) imaging system is substantially reduced by utilizing an analog memory, such as a switch-capacitor analog memory, to sample and store analog values for a number of gamma ray signals so that only the stored analog values that represent pairs of gamma rays with coincident emission and vectors that are opposite to each other are digitized. In addition, the digitization is performed at a much slower clock frequency.

REFERENCES:
patent: 4864140 (1989-09-01), Rogers et al.
patent: 5671172 (1997-09-01), Britton
patent: 2008/0103391 (2008-05-01), Dos Santos Varela
Lenox et al, “Coincidence Time Alignment for Planar Pixellated Emission Tomography Detector Arrays,” Nuclear Science Symposium Conference Record, 2001 IEEE, vol. 4, pp. 1952-1954, (Nov. 4-10, 2001) San Diego, California. DOI: 10.1109/NSSMIC.2001.1009206.

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