G - Physics – 01 – T
Patent
G - Physics
01
T
358/11.05
G01T 1/202 (2006.01) G01T 1/164 (2006.01) G01T 1/208 (2006.01)
Patent
CA 1183284
17 ABSTRACT: Gamma camera comprising an electronic device for the correction of linearity errors. The invention relates to a gamma camera for forming the image of a radiation distribution, comprising a scintillation crystal, several photomultipliers which are arranged according to a regular array opposite a sur- face of the scintillation crystal, the photosensitive surface of each photomultiplier facing the scintillation crystal, each photomultiplier being connected to arith- metic circuits which calculate the coordinates of the scintillations on the basis of the signals applied there- to by the photomultipliers, the gamma camera furthermore comprising an electrical circuit for correcting the cal- culated coordinates, the corrections being determined by the distance between the scintillation and the centre of the photomultiplier tube situated nearest to the scintil- lation.
374537
Lelong Pierre H.
Ott Jean H.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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