Method and apparatus for producing and utilizing flashes of ligh

Details Method and apparatus for producing and utilizing flashes of ligh Method and apparatus for producing and utilizing flashes of ligh

1993-09-03

1994-12-27

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

2502521, G01D 1800, G01T 1208, G01T 1164

Patent

active

053767977

ABSTRACT:
Light emitting diodes (LEDs) at fixed locations are placed at the entrance face of the scintillator within the detector head of a scintillation camera system. By energizing the LEDs, surrogate scintillation events may be generated and processed by the scintillation camera system. Information thus acquired can be used to maintain the photodetectors in a well-tuned state, to identify baseline shifts in the preamplifier channels and to determine system deadtime.

REFERENCES:
patent: 4583187 (1986-04-01), Stoub
patent: 4605856 (1986-08-01), Persyk et al.
patent: 5004904 (1991-04-01), Yamakawa et al.
patent: 5148029 (1992-09-01), Persyk et al.
patent: 5237173 (1993-08-01), Stark et al.

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