Self regulating detector rail heater for computed tomography...

Details Self regulating detector rail heater for computed tomography... Self regulating detector rail heater for computed tomography...

2007-01-09

2007-01-09

Glick, Edward J. (Department: 2882)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C378S019000

Reexamination Certificate

active

10738676

ABSTRACT:
The present application discloses an x-ray detector for use in a computed tomography (CT) imaging system. The x-ray detector assembly comprises an array of detector cells coupled between detector rails. The present invention provides a self regulating heating element having a body that, when current is passed therethrough, radiates heat until a specific reference temperature is reached, at which point the resistance of the PTC heater increases, thus reducing the current through the PTC heater, and, as a result, the radiative heating of the PTC heater.

REFERENCES:
patent: 5103092 (1992-04-01), Takahashi et al.
patent: 6249563 (2001-06-01), Snyder et al.
patent: 6459757 (2002-10-01), Lacey
patent: 2003/0016779 (2003-01-01), Pohan et al.

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