Methods and apparatus for protecting against X-ray...

Details Methods and apparatus for protecting against X-ray... Methods and apparatus for protecting against X-ray...

2008-01-29

2008-01-29

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

Reexamination Certificate

active

11519411

ABSTRACT:
Methods and apparatus provide for determining whether X-rays produced by a computer tomography (CT) scanner have infiltrated a single photon emission computed tomography (SPECT) scanner and shutting down at least one of a power source to one or more photo-multiplier tubes (PMTs) of the SPECT scanner, and an X-ray source of the CT scanner, when the determination is affirmative.

REFERENCES:
patent: 3011057 (1961-11-01), Auger
patent: 5448609 (1995-09-01), Couch et al.
patent: 6124595 (2000-09-01), Engdahl et al.
patent: 6661865 (2003-12-01), Popilock
patent: 6670614 (2003-12-01), Plut et al.
patent: 2004/0036026 (2004-02-01), Engdahl et al.

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