Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1997-07-14
1998-11-17
Glick, Edward J.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
2502521, 25036307, 25036309, G01T 1161, G01T 1208
Patent
active
058380108
ABSTRACT:
A method for improving single photo emission computed tomography accuracy by determining photon impact locations within a detector field using PMT intensity signals from all PMTs in an array. The method includes determining the row and column of a PMT which is closest to an impacting photon, subtracting the sum of intensity signals to the left of the identified column from the sum of intensity signals to the right of the identified column generating a differentiated width signal, subtracting the sum of intensity signals above the identified row from the sum of intensity signals below the identified row to provide a differentiated length signal and correlating the differentiated width and length signals with length and width field curves to identify the impact location.
REFERENCES:
patent: 5173608 (1992-12-01), Motomura et al.
patent: 5293044 (1994-03-01), Klingenbeck-Regn et al.
patent: 5444253 (1995-08-01), Berlad
patent: 5508524 (1996-04-01), Goldberg et al.
General Electric Company
Glick Edward J.
Jiron Darren M.
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